Nghiên cứu cài đặt một hệ thống thông tin địa lý phục vụ công tác địa chính

""""""""" 3 1.1:T6ngquailv€ mohlnhHTTT cuanganhdiachinh. 3 1.1.1:Cac10c;tiduli~ucuaCSDL d effptrungu'dng 3 1.1.2:Cae10c;tidu li~ucuaCSDL d effptllh. 4 1.1.3:£)~ethli cdbaneuah~CSDL tainguyendfftdai. 5 1.1.4:GIS - CongC\ld~xaydl;!ngh~CSDL tainguyendfftdai. 5 1.1.5:Hai 10c;tid l li~utrongOIS 6 1.1.5.1:Dil li~ukhonggian 6 1.1.5.2:Dil li~uthuQctlnh 7 1.1.6:Mo hlnhcaedil li~uvitoeuaCSDL tainguyendfft. 8 12 T " ..! A' d ? d'" ,. 9. : omtatnQ1 lingeua e taL , ............... 1.2.1:M\le dicheuad€ tai. 9 1.2.1.1:CaechilenangxU'1:9band6diaehinh 9 1.2.1.2:CaechileDangqUail1:9h6sddiaehinh. 10 1.2.2:Mo hlnhh~GIS cuad€ tai nay 11 12 3 M '" , h'" '" d ? d d'" ,. 13'. .: 01tnl'dng p. an mem llgC SlY \lng trong e tal. H"""""""""""" . "" ? ~ " Chuang2:PHAN H~ CSDL BAN DO DIA CHINH 15 2.1:T6ngquanv€ CSDLband6diaehfnh.""""""""""""""""""""""""" 15 2.1.1:Caed6itti<Jngtrenband6diaehfnh 16 2.1.2:Thongtinv€ vi trikhonggian. 16 2.1.3:Thongtinv€ quailh~khonggian. : 16 2.1.4:ThongtinthuQctfnh,phikhonggian. 17 22 M A ? '" " f ' l h ;t ? hA d'"h M .. 18.: 0 ta call true 1e c uan eua V 0 Qa 1crostatIon. ".......... 2.2.1:C{u trUcdesignfile (DON) """'" 18 2.2.1.1:Cffutruechungeuafile 18 22 12 C'" " h ? :;;:. h'" ? 20. . .: autruec lingcuamOlp antU............................................... 2.2.1.3:PhftntU'cdbanvaphftntU'philetc;tp 24 2.2.1.4:Phftndftueuadesignfile (DesignFile Header). 24 22 15 C'" " " '" h'" ? d' b? d'"ill h" h 25. . .: autrClcIDQtsop antU lingtrong an 0 .ae III .............. 2.2.2:Thtivi~nk:9hi~u(Cell Libraries.CEL). 28 2.2.3:Thtivi~nki~udu'ong(Line StyleLibraries.RSC). 28 2.2.4:Thu'vi~nfontchil (FontLibraries.RSC). 28 2.3:Kay dl;!ngTopologyehofile d6hQaDON 29 2.3.1:Mo hlnhs<Jibun(spaghetti). 29 2.3.2:Mo hlnhtopology. 31 2.3.3:C~utnicdftli~ukhonggiantheomohlnhtopology. 34 2.3.3.1:BangtQadQcuacacdinh(Coordinateofverticestable). 34 2.3.3.2:Bangmit-dinh(node-to-vertextable). 34 2.3.3.3:Bangxau-dinh(chain-to-vertextable). 35 2.3.3.4:Bangtopologycuaxau(chaintopologytable). 35 2.3.3.5:Bangtopologycuavang(ringtopologytable). 36 2.3.3.6:Bangtopologycuavung(polygontopologytable) 36 2.3.4:C~utrucdftli~uchoCSDLband6diachinh. 37 2.3.4.1:C~utnicdftli~ucuanut(node). 37 2.3.4.2:C~utrucdftli~ucuaxau(chain). 37 2.3.4.3:C~utrucdftli~ucuavung(polygon). , 38 2.4:Cacthu~tgiaixaydt1ngCSDLband6diachinh. 40 2.4.1:Thu~tgiaixaydl;fngtopologychofiled6hQaDGN. 40 2.4.2:Cacthu~tgiai lams(;lchdftli~utruockhixaydt1ngtopology 45 2.4.3:Thu~tgiaixacdinhhaido(;lncoc~tnhaukhong? 51 2.4.4:Thu~tgiaixacdinhmQtdi€m coflamtrongmOtvungkhong? 52 2.4.5:Thu~tgiaidanhs6thii'atVdOngchocacvung 52 2.4.6:Thu~tgiaixacdinhvi tdhi€n thithongtinthuOctinh. 54 Chu:cmg3:PHAN fIt CSDL HO Sa DJA cHiNH 60 3.1:Tomt~tnghi~pVlfqUaily h6sddiachinh. 60 3.1.1:Kaydlfngh6sdbandftucuacacthii'ad~t..""""""'."'..""""""""'. 61 3.1.2:Dangkyquy6nsii'dl;lngd~t. 61 3.1.3:H6sdcuacacthii'ad~t 62 3.1.4:Cacbie"ndOngtrongqUaily h6sddiachinh. ~ 62 3.2:Mohlnhdlili~uCJ mti'cquailni~m. 63 3.2.1:Mo tacacth\fcth€. " 63 3.2.2:Mo tacacm6ike'th<;fp. ~ 67 3.2.3:Mo hinhquanni~mdftli~u 71 3.3:Mo hinhdftli~uCJ mti'ct5chuc 72 3.3.1:Chuy€ncactht1cth€ vacacm6ike'th<;fpthanhcacquanh~. 72 3.3.2:T5h<;fpcacquanh~clingkhoavachuftnboa. 72 3.3.3:Mo hinht5chucdftli~u. 73 3.3.4:CacrangbuQctoanVyn(RBTV) 74 3.4:Mo hlnhdftli~uCJ mti'cv~tly. 77 3.4.1:Cact~ptindanhml;lc. 77 3.4.2:Cact~ptinbie'ndQngtheoddnvi hanhchinh. 79 3.5:Mo hlnhquailni~mxii'19(theoPPMerise). 81 3.5.1:Mo hinhxii'19dangk9quy~nsii'd\lngdilt(QSDD). 81 3.5.2:Mo hinhxii'19chuy€nquy~nsad\lngdilt(QSDD) 84 3.5.3:Mo hinhxii'19gQPthii'a 87 3.5.4:Mo hinhxii'19tachthii'a. 90 Chzt(Jng4:CSDLTicH H<)PvE BJA cHiNH 93 , ~ ~~ A Chzt(Jng5: CAI B~T THu NG~M 96 5.1:Gioi thi~u. 96 5.1.1:Chucnangcuaphanh~qmin19band6diachfnh. 96 5.1.2:Chucnangcuaphanh~qUail19h6sodiachfnh. 96 5.2:Sod6quitrinhxii'19 97 5.3:Phanh~xii'19band6diachfnh. 98 5.3.1:Moi t:I110ng. 98 5.3.2:MQtso'chucnangchinh. 98 5.4:Phanh~qUail19h6sodiachillh 110 5.4.1:Moi truong.. """"""'" ""'" 110- 5.4.2:MQtso'chucnangchinh. 110 Chztelng6:KET LU~N 116 Tai li~uthamkhao ~ 117 Nh~nxetcuasa DiaChinhTinhKienGiang. Ma BAU A"" A , 1:HE WONG THONG TIN IHA LY. 0 H~th6ngthongtindia19(GeographicalInformationSystem- GIS)IasrI ke"th(jpgifi'acongngh~band6so'hoaydicongngh~qUail19CSDL de~othanh nhfi'ngcongCl,ltinhQcphl,lcVl,lhi~uquachocaclinhvrfclingdl,lngrQngdii khac Mall. e Thongtindia19la mQtchunglo~ithongtinghinh~nnhfi'ngd~ctinh,tinh chfftcuad6itu'(jngtrongm6ilienquailch~tchevdi vi tridia 19cuano.Cac so' li~uthongtindia19demotanhfi'ngd6itu'(jngkhonggianbaag6m: . Vi tricuad6itu'(jngtrongmQth~tQadQquychie"uxacdinh(gQila thong tinv€ vi trikhonggian). . M6i quailh~khonggiangifi'acacd6itu'(jngydinhau(gQila thongtinv€ quailh~khonggianhaythongtinv€ thuQct1nhtopo) . CacthuQctlnhkhonglienquailde"nvi tri (gQila thongtinthuQct1nhphi kh6nggian). e N€n tangcuamQth~th6ngthongtindia19la mQth~CSDL tkh h(jp,ma nobaag6mhaiphanh~CSDL lienquailhuucdvdinhau. Ll.;JJ$ CS1)Lbanao~ La t~phQpcachlnbanhsO'hoarheamQtkhuond~ngnhfftdinh,chungxac dinhhInhanh,vi trikhonggianva d~ct1OOquail h~khonggiancuacacd6i tu'(jng.Cacthongtinband6cothethehi~nvaqUail19trongcac.h~GISdu'dihai d~ng(format),hayclingthu'angdu'(jcbie"tde"n hu'la cacmohInhdfi'li~u(data model). . M6 hlnhdfi'li~uvector,dayla mohInhdfi'li~udrfatrencd soba,nd6 (map-basedata),d~ngvectorthehi~ncacd6itu'(jngdia19b~ng~pcac diemdu'(jcxacdinhquatQadQ,0 mohInhnaymQtband6la mQtCSDL va mQtCSDL Ia mQtband6,VIv~ydayla cachtie"pc~nb~nd6nhu'la CSDL (map-as-database). . Mo hInhdfi'li~uraster,dayIa mohInhdfi'li~udrfatrencdsohlnhanh (image-baseddata),d~ngrasterthehi~ncacd6i tu'(jngdia19b~nganh nhiphancuachungtheomQtkhuond~ngnaodo,VIv~ydayIa cachtie"p c~nband6nhu'blicanh(map-as-picture). Co mQth~th6ngph~nm€m dexaydrIngvaqUailtrid6ivdi h~CSDL ban d6nay.H~th6ngph~nm€m nayphaicon€n tangIamQtmoitru'angd6hQamay '\ tinh,d6ngthaitrongmoitru'angd6hQanayphaico themmQtt~ph(jpcacchlic Dangphl,lCVl,lcacthaotacbie"nd5i,xd19lienquailde"ncacthuQctinhchuyend€ (thematic)cuadfi'li~uthongtindia19. 1.2:.HeeSDI. thllOCtillh. La t~phQpcac bangbien, tinh cha't,d~ctntng,...cua cac d6i tu'Qng,ma chungkh6 ho~ckhongthehit%nduQcbAnghlnhanh,chungchi co the xua'thit%n trenband6 duGidt;lngs6ho~cchIT.CSDL thuQctinhduQcqUaDly bAngnhunght% qUaDhi CSDLnaodo.No khongtheDAmdQcl~ptronght%GISmaphaiduQc lienkStch~tchevdiht%CSDLband6.TrenmQts6khiact;lnhtacothecoichung la d6ngnha't. 2:GISMA DE TAI:xAY DUNGCHOCONGTAC DIA CHINH. 0 Congmcdiachinhtt;licacsodiachinhla chill trachnhit%mqUaDly da'tdai chodentUngthti'ada'ttrendiabantinhmInh,dvavaoht%th6ngband6 dia chinh va ht%th6ngh6 sd dia chfnh.Trong congtaeqUaDly da'tdai c~nphai baa dam qUaDly duQcnhungthongtincho tUngthti'ada'tbaag6m:Cac thongtin tl!nhien (kich thUGC,vi tn, lot;lida't,...). Cac thongtin xa hQi (chusti'd\lpg,m\lc dich sti' d\lng,qua trinhbiSn dQng,...).Cac thongtin kinh tS (gia da't,muc thuS,...).Cac thongtinphaply (lot;lihinhsti'd\lng,mucdQdangky, gia'ychungnh~n,...). 8 Lu~nvan naydS c~pdenvit%cphantich,thiStkS, xay dvngmQtht%GIS ph\lcV\l congtacdiachinhtt;licac so diachinhca'ptinh.TrQngtamcualu~nvan la va'ndS thiStkS, xay dvnght%CSDL khi nghienCUD,dli d~tmQtht%GIS cho IDqtdng dt,Ingra'tcr;tthe. Trongdo G?Cbi~tnba'nmt;tnhvi~ctbiStkS ht%CSDL ban d6 dia chinhtheomo hinh vector.Thao lu~nnhungphudngphapde bien di6n cac thvc the dia ly thanhcac thvc the cua CSDL, phudngphapxay dvng topologyda duQcsti'd\lng,boi VI no choph6pCSDL band6 the hit%nduQCcac d~ctlnh quaDht%khonggian cua nhungd6i tu'Qngdia ly. Lu~nvan da dS xua't mQtca'utrucdu lit%ukhonggian theomo hinh topologycho CSDL ban d~dia chinh,cling vdi thu~tgiai cho vt%cxay dvngtopologycho cac d6i tu'Qngkhong gian, cai d~tcaccongC\lph\lcV\l congtacdiachinh. eGIS ma dS tai nay xay dvngla sv kSt hQpcua hai phanht%,thunha'tla phanht%xti'lyband6 diachinhva thuhai la phanht%qUaDly h6 sddiachinh. 2.1:Ph/illh?xi!(vbanddiliachfnh. Band6diachinhla mQtlot;liband6chuyendi vi giai thila,no thehit%nsv phanchiatainguyenda'tdaicuacacddnvi hanhchinh0 mucchitiStnha't,d6la cacthti'ada't.Svphanchiathanhcacthti'advatrennhungySut6nhuddnvi hanh chinh,chusti'd\lng,hit%ntrt;lngsti'd\lng,lot;lida't,...E>6itu'QngqUaD1:9quaDtrQng nha'tcuacongtacdiachinhla cacthti'ada't,tu'dnglingtrenband6diachinhla cacd6itu'Qngvung(area,polygon). Phanh~nayIffymoitntongd6hQaMicroStationlamn€n, trongmoitntong n€n naychopheptastYdvngngonnguC chu~nd€ phcltri€n themcacchucDang choling dvng.Phanh~se clingcffpcacchucDangchovi~cxtYly band6 dja chinhnhlfsan: . Dva trenfile d6hQaDON cuamoitntongMicroStatio~,xaydvngcffu trUcdu li~utheomo hlnhtopologychovi~cllfu triYCSDL band6 dja chinh. . Tv dQngtlm16i,stYa16i,lams~chs6li~u,chu~nhoacacd6i tUQngd6 hQa,d€ chu~nbichov~cxaydvngtopology,t~oDenband6diachinh. . NAnband6 (neunh~pcacband6daduQct~okhongdIng trenmQth~ th6ngtQadQ). . T~oTopologyd€ xaydvngthongtinv€ quaDh~khonggiancuacacd6i tUQngtrenband6,lacd8.0cuavi~ct~oracacthtYatr~nband6diachinh. . T~oband6diachinhtUband6g6c,t~okhungchoband6diachinh. . E>anhs6thtYavatinhdi~ntichtVdQngcuacacthtYa. . T~oband6chud€ tUcacvungs6li~utrongCSDLh6sddiachinh. . Vffndapcacthongtinquaband6ho~cthuQctinh. . . E>~tcaclo~inhanthtYatUcacvungs6li~utrongCSDLh6sddiachinh. . CaechileDangxU'19lien kit dO'li~ugifi'aCSDL banda diachinhva CSDL h6sddiachinh. . T~oh6 sdky thu~thtYa,trichIvc cuathtYa,giffychungnh~nquy€n stY dvng.... 2.2:Phlin.he!JJliilllV h5so'diachfuh. Phanh~qUaDly h6 sddiachinhco mvcdichqUaDly ca9thongtin thuQctinh cuahai d6i tUQngcdbanlien quaDdendfftdai,d6i tUQngthunhfftla cacthtYadfft va d6i tUQngthuhai la chustYdvngcuanhungthtYadfftdo.Phanh~nay se cling cffpcacchucDangchovi~cqUaDly h6 sddiachinhnhlfsan: . Xay dvngcffutrUcdu li~uchovi~cllfutill CSDL h6 sddiachinh. . Ketn6ithongtinvdiCSDL band6diachinh. . XtYly cacthongtinthuQctinhchotUngthtYadfft. . Thvc hi~ndangky chustYdvngchocacthtYadfft. . Theod5iquatrinhbiendQngcuacacthtYadat. . Th6ngke dfftdaitheocacchi tieu. . In racaclo~im~ubi€u, s6sachv€ dfftdai. ,., ., A ~ 3:no cue CUALUAN VAN. . Chudng1:Giaithi~ukhungeanh,moitntangehovi~exaydlfngdetaL . Chudng2:PhanDeh,thiStkS,xaydlfngh~tho'ngCSDLbandBdjaehinh. f)uaramQtso'thu~ttoanehuySueuaphanh~xii'19bandBdjaehinh. . Chudng3:PhanDeh,thiStkS,xaydlfngh~tho'ngCSDL hBsddjaehinh. f)ua ra mQtso'mo hlnh.xii' 19ehuySu eua phanh§ quan 19hB sd dja ehinh. . Chudng4:f)uaramohlnhCSDL tichhQpehoeongtaedjaehlnh. . Chudng5:Caid~thii'nghi~meuaGISph~e~ eongtaedjaehinh. . Chudng6: KSt lu~n,nhfi'ngva'nde lamduQe,ehualamduQeva huang phattriSneuadetai. M~ediJdffhStsueeo'g~ng,gianhnhieuthaigianehodetainay,nhungeh~e ch~nconnhieuh(;lnchSvathiSusot.Ra'tmongnh~nduQcnhfi'ngWipheblnhva gap9chanthanhcuaquithffy,covab(;lnbe. Chlidn..z..l GIGITmtu Tom tdt: Trangchuangnayph6.nthanhdtgiClithi~usd 11lr;lCv~mohinhh~ th6ngthongtin (BTIT) cua roannganhdia chinkdo ttfngqlC dia chinkqui dinh. Ph6.nthahai xdcdinknQidungtomtilt cua d~tai nay trongttfngthi BTIT toim ngilnh,d6ngthili cunggiClithi~umoitruilngph6.nm~mn~nmild~tili sadl:mg. '" ;::: A ?... 1.1: TONG QUAN VE MO HINH HTTT CUA NGANH D:{A CHiNH. Tai nguyendeftdaico vai tradi;icbi~ttrongdinhhuangchinhtri,thie'tl~p congbangxa he>i,baav~moitruongsinhthaiva phattri€n kinhte'.H~th6ng qUail19deftdai la me>tne>idungphuctmayqUail19cuanudctahi~n- nay.Nganhdiachinhco chucDangqUail19nhanudcv~deftdaiva dod<;1cban d6,dangtie'nhanhnghienCall,Kaydtfngh~th6ngcdsdduli~u(CSDL)qu6cgia v~tainguyendeft,nhamt<;10rake'tcffuh<;1t~ngv~thongtind nudcta.Khi CSDL tainguyendeftdaida6ndinhsetie'pt\lCmdre>ngCSDLnayde'ncacdali~umoi truong,duli~utainguyenbi€n, duli~utainguyentrongkhoangkhong. NganhdiachinnGuQct6 ch(tcthe{}h~ili6ngqUailIf 4 c§p..Cd quaildia chinhcffptrungudngla t6ngc\lcdiachinh,d cffpdnhla sd diachinh,d cffp huy~nIa phongdjachinhvad cffpxala canbe>djachinh.T6ngC\lCdjachinhco nhi~mV\lKaydtfngh~quichie'uquocgia,thanhl~ph~th6ngtQade>cdSdvah~ thongband6n~ncdbanqu6cgia,thtfchi~nqUail19deftdaitrenbinhdi~nvi mo. CacSddiachinhchilltrachnhi~mqUail19deftdaichode'ntungthtradeftrendia bandnhminh,dtfaVaGh~th6ngband6diachinkvah~thongh6sddiachink. Cacphongdiachinhhuy~nla cdquaildiachinhtrunggiangiuacffpdnhva cffp xa,thlfChi~nnhi~mV\lt~phQpcacbie'nde>ngdeftdaitUcffpxad€ baaeaoleuSd diachinh.Canbe>diachinhxaconhi~mV\lIDeod5icaebie'nde>ngstrd\lngdeft de'ntungthlta.Mo hinht6chilcva chucDangqUail19cuah~thongcaccdquail diaehinhdaxacdinhme>th~th6ngthongtindeftdaicoke'tcffutudngttf.Mo hinh HTTT cuanganhduQct6ngC\lCxacdinhnhusau: 1.1.1: CAC LOAI off LIEU CUA CSOL {JCAP TRUNG u'C1NG. . H~quichie'uqu6cgia. . H~th6ngtQade>va de>caonhanudc. . H~thongdiadaubvadiagidihanhchinhtheotQade>de'ncffpxa. . H~th6ngband6n~ncotyl~tU1/50.000de'n1/1.000.000. . H~th6ngchidftncaedali~ucolienquailnhuanhhangkhong,vii tf\l. Trang3 1.1.2: CAC LOAI Dff LIEU CUA CSDL (j CAP TiNH. . Band6dia chinhcacth€ lo~ide'ntUngthii'ada't:1/200,1/500,1/1000cho da'td6thi; 1/1000,1/2000choda'tkhuclancu'nongthon;1/2000,1/5000 ehoda'tnongnghi~p;1/10.000choda'tlamnghi~p;1/25.000,1/50.000cho da'tchu'asii'dl}ng. . H~th5ngh6sodiachlnhchotUngthii'a.da'tchuad~ydil caethongtint1! nhien(kichthu'GC,hinhd~ng,vj tri,lo~ida't,...).Cacthongtinxahe>i(chil sii'dl}ng,ml}cdlchsii'dl}ng,quatrlnhbie'ndOng...).Caethongtinkinhte (giada't,mUGthue',...)vacaethongtinphap1y(lo~ihinhsii'dl;lng,muede> dangky,gia'ychungnh~n,...) CSDL d trungu'ongclingca"p choCSDL d cactInhnhungthongtin mlnh quanly d€ xacdinhh~quichie'u,h~t,h~band6n€n th5ngnha't,d6ngthai nh~nnhungthongtinda'tdaidentUngthii'ada'td€ t6nghQpthanhcacthongtin rheatUngml}cdichsii'dl}ngda'tbaag6mcacyeut5 t1!nhien,kinhte,xa he>i, phap1y. H~CSDL v€ tainguyenda'tbaag6mnhii'ngthongtinv€ h~th5ngdii'li~u djaly n€n vah~th6ngduli~uv€ tainguyenda't.H~CSDL naydambaachue nangclingca'phai1o(;iithongtin:thongtindja1yn€n cobanvathongtinda'tdai phil!auqcthehl~fitrenmQtcdsiJaU'lr~udjaly'm}odo.Nganhdiachinhdffdua famohinht6chli'ccackh5ithongtinnhu'sail: 1. Thongtinv€ h~th6ngquichie'u. 2. Thongtinv€ h~t- de>caDnhanu'dc. 3. Thongtinv€ h~th6nganhhangkhong- vutfl;lphiltrumloanqu6c. 4. Thongtin v€ h~band6 co band ti 1~1/50.000,1/100.000,1/250.000, 1/500.000,1/1.000.000. . 5. Thongtinv€ du'angbiengidivadiagidihanhchinh. 6. Thongtinv€ mohinhde>caDdjahinh. 7. Thongtinv€ caclo~ida'tphantheomt;ledlchsii'dl}ng. 8. Thongtinv€ ban06djaehfuh. 9. Thongtinv€ h6sodjaehinh. H~CSDL naydu'Qcthietke'du'did~ngh~CSDL phantanbaag6mme>th~ th5ngCSDL thanhph~nd trungu'ongva cach~CSDL thanhph~nd caetinh. H~CSDL d trungu'ong100trii' cacdu1i~udja1ycoban(cackh5ithongtintU1 de'n7d tren).H~CSDL d caetinh100trii'caedu1i~uv€ h6soalaehinhvaban d6djaehinh(cackh5ithongtin8va9d tren). Trang4 - ... ., .", ... ",.!' 1.1.3: BAC THU C{j BAN CUA HE CSDL TAl NGUYEN BAT BAl. 1.1.3.1:TiNH aA DANGCUADU LIEU. Voi khoi htQngIon cac du lic$ud6 hQa,khac voi cac CSDL thongthuang khac,CSDL naykhongchi chuacac dli lic$uthuQctinh(du lic$uphikhongglaD) ma con chuaca cac du lic$uban d6 (du lic$ukhongglaD).Khong nhungthe'dli lic$uband6tu'ongdoi dad~ng,co ca d~ngvectorl~nd~ngraster.Trongtu'onglai phattri€n CJmuccaDbonCSDL nayconco th€ co cacdu lic$umultimediad€ mo ta canhquantht;(cuatUngvungdia1:9. 1.1.3.2:DULIEU alA LY DOl HOI TINH THONGNHAT TREN alA BANCA NUOC. f)~cdi€m d~cbic$tcuacacdli lic$udia1:9la dOlhoi tinhthongnhilttrongmQt hc$qui chie'u.Hc$qui chie'unayquye'tdinhd~ngbi€u di~ncuacacthongtin dia 1:9.Khi chungtaboanh~pthongtinvoi qu6cte'hc$qui chie'uchophepchuy€n d6i thongtinv~hc$quichie'ukhu vt;(c,Il;lCdia,the'gioi. - 1.1.3.3:DU LIEU DIA LY DOlHOI DOCHINHlic CAOVE VI TRI KHONGGIAN. Dulic$udia1:9c~nco dQchlnhxac caDphil hQpvoi ty11$band6.MQtye'uto khongchi xacdinhbanggia tri vi td trongkhongglaDmaconphaibie'tdQchinh xaccuavi td do. 1.1.3.4:celSa DULIEU THONGTIN aAT aAI COKHOl LUelNGTHONGTINLON. Bao g6mthongtind61u;>achoban06va caethongtin thuQctlnhmota cac doi tuQngband6. 1.1.3.5:Celsa DULIEU NAY CONGUONTHUTHONGTIN DA DANG. Ngu6nthuthongtin tuca'pqUail1:9da'tdaiCJdiaphuong,tudod~cd m~tdill, tUanhchl;lPhangkhong- vii tfl;lva tUcact6 chucst;(nghic$plam conglac di~u tracoban. 1.1.4: GIS - CONGCU BE :KAYDUNG HE CSDL TAl NGUYEN BAT DAI. Voi cacd~cthil lieUCJph§:ntrenhc$CSDL dilt dai lu'utrU va quan1:9cac thongtin band6 l~ncac thongtin thuQctinh.Cho de'nnayvoi kinh nghic$mcua cac nuoc,congCl;lhuahic$unha'td€ xay dt;(nghc$CSDL co d~cthil nhuv~yva quan1:9nola cachc$thongthongtindia1:9(GeographicalInformationSystem- GIS). GIS la st;(ke'thQpcongnghc$band6 sohoavoi congnghc$quan1:9CSDL d€ clingcilpmQtcongCl;lchocaclmhvt;(cling dl;lngrQngr§j khacMali. GIS la mQth~thongph~nm~mchophepthuth~p,lu'utrU,sti'ad6i,phantkh va hi€n thi cacd~ngthongtindia 1:9(thongtinband6, thongtin thuQctinh).Mai band6th€ hic$ntrongGIS bCJicacdoi tu'<JnghlnhhQcduQchi€n thi trenmanhlnh Trang5 vi tinhva CSDL chuathongtin chi titt chom6id5i tUQnghlnhhQcdo.Tren co sa cacthongtindia1:9(diahlnhdiav~t,tai nguyen,moi truong,kinhtt, chinhtq, xii he>i,...)GIS ITchhth~th5ngnh~mclingcffpcacthongtindii du<;jc xli'ly, phantichchocacchuyengianghienCUll,cacOOal~pke ho<;1ch,dtfan,cac nhaqminlYe Thongthuongme>th~GIS co cach~conco,bansail: 1.1.4.1:HE NHAPDULIEU. Dung d~nh~pva s\i'ad6i cac diI li~utUban d6 giffy,thongtin vi~nthall, thong tin m~tdfft thuong thong qua may quet (scanner)ho~cban s5 hoa (digitizer). 1.1.4.2:HE LUUTRU vA OUANTRI ~ULIEU. Dungd~t6chuc cacdiI li~uanhiIngd<;1ngd~phanITch,d~troynh~psao chonhanhchongva chinhxac. 1.1.4.3:HE THONGBIEN Dlh DULIEU. Nh~mthayd6i cacdctiOO). 1.1.4.4:HE TONGHap DU LIEU. Dung d~hi~nthi loan be>ho~cffie>tph~nCSDL thongtin ban d6 cling nhu cac ket quadii du<;jcxli'l:9dudi d<;1ngband6, bi~ud6, d6 thi, bangs5 ho~cvan 1m!n. Nhuv~yGIS sela congCl;}chovi~cxaydtfngh~CSDL d5tdaibaag6mcac dITli~uband6(dITli~ukhonggian)vacacdiI li~uthue>ctinh(dITli~uphikhong gian). 1.1.5: HAl LOAI DU LIEU THONG GIS. 1.1.5.1:DULIEUKHONGGIAN. Dil li~ukhonggianla nhilngmotahlnhanhs5 cuaband6, chungbaag6ffi tQade>,qui lu~tva cac ky hi~udungd~xac dinh ffie>thlnh anhban d6 Cl;}th~. Nho GIS tUcacdiI li~unaychungtattband6hayhlnhanhband6 tren manhlOOho~ctrengiffythongquacactruetbi ngoth~d6 hQad~th€ hi~nband6 va ghi chu.Dil li~uband6 co th€ hill trUa d<;1ngvector ho~cd<;1ngrater. 1. sri lieu vector:la nhiIngtQade>cuacacdi~m(x,y)ho~ccacqui lu~ttinh loan tQade>va n5i chungthanhcacd5i tUth~tQade>xac diOO.H~ tQade>'co hai10vuonggocD~cac(x,y)haycongQila h~tQa de>ludi chienband6 va h~tQade>tr~kdiac~u(B,L - VI de>,kinhde»haycongQi la h~tQade>dia 1:9.Trong h~CSDL dfftdai phai xac dinhme>th~tQade>th5ng nhfftdungchungcholoanbe>h~th5ng. Trang6 LDillieu rater(dnhd6itlt(Jng): la dii'li~uduQct~othanhboi cac0 luoivoi dQphangiai xacdiOO.Do la IDQtIDatr~ncac0 luoi va dQIon cac0 luoiphl;l thuQcVaGdQphangiaidfichotrtfoc.Do v~yneukfchthuoc 0 luoi IOnse laID giaIDdQchlnhxaccuathongtinvane'unoqua000thlCSDL l~iquaIon. Thanhphfins61i~ud6thitrongGIS haycongQila CSDL band6duQcquan 190 d~ngcaclopd6itUQng(lopthongtin).MQiID9tlopchliacaccachlnhanh band6lienquaildenID9tchlicnang,lingdl;lngCl).th€. Lop d6itUQngla IDQt~p hQpcachlnhaOOthufinnha'tdungd€ phl;lCVl;}choID9tlingdl;lngCl;}th€, vi tricua nosovoicaclOpkhactrongID9th~th6ngCSDLduQcxacdiOOthongquaID9th~ tQadQchungloanh~th6ng.Vi~ctachcaclOpthongtinduQcdl;l'atrencosOcua ID6ilien quaillogicva IDOtitd6hQacuat~ph<JpcachlnhaOOband6phl;lCVl;l choID9tIDl;lCdichqUail19Cl;lth€. Vi dl;lOOulopthongtind6thivecaclo~ida't, vetainguyennuoc,vediahlnh,vequiho~ch,... 1.1.5.2:DULIEU THUOCTiNH. Dii' li~uthuQCtinh(phi khonggian)la nhii'ngdi~nta,chugiai,d~cHnh,86 lu<Jng,ID6iquailh~cua cac hlnhanhband6 voi vi tri dia 19cua chung.Trong GIS chungthuongdu'<Jclu'Utm du'oid~ngvan ban, bangbi€u, Cac thongtin nay lien quaildenvi tri dia 19ho~cd6i tU<Jngd6 thi, lien ket ch~tchevoi nhau quamQtca'utructh6ngnha't.Thongthu'ongGIS co IDQts610~idu li~uthuQctinh sail: 1.Diic tinhcuadelitltang:Chungdu'<Jclien ketvoi cacthongtind6thi thong quacacchis6xacdinhchung.ChungIDOtad~cHnhcuacacd6i tu'<Jngband6. 2.Dll lieuthamkhdodia IV:Chungmotacacsl;l'ki~nho~chi~ntu'<Jngxayra t~iIDQtvi trtxacdiOO.Khonggi6ngcacthongtind~cHnh,chungkhongmotave ban thancachlOOanhband6, thayVaGdo chungmo ta cac daubml;lcho~ccac ho~tdQnglien quaildencacvi tri dia 19xac dinh,nhuchophepxay dl;l'ng,c~nh baahi€m hQamoi trUong,... 3. Chl s6 dia ly: Do la cac s6li~u ve ten,dia chi,kh6i,phuonghli'ong,dinh vi,...lien quaildencacd6i tu'Qngdia 19,chungduQc1u'Utrongh~th6ngthongtin dia19d€ chQn,lienke'tva traCUus61i~utrenco sOvi tri dia19xacdinh. 4. Dll lieu quanhegilla caed6i tltangkhonggian: Cac m6iquailh~nay co th€ dongianho~cphlict~p nhus11lien ke't,khoiingtu'ongthich,m6iquailh~tapa giua cacd6i tu'Qng,xac dinhm6iquailh~khonggiancuacacthl;l'cth€ t~icacvi tri dia 19xacdiOOcovai traquailtr<;mgd6ivoi cacchlicnangxii'19trongGIS. TrongGIS m6ilienke'tgiuaduli~uband6va dii'li~uthu9ctiOOth€ hi~n thongquabQxacdinhhaychis6index.Chungdu<JcluutrUd6ngthaitrongcac thanhphfinduli~uband6vaduli~uthuQcnnh. Trang7 1.1.6:Me)HINH cAc off LIEU vAo CUACSOLTAl NGUYENBAT. BANDO A K TRENGIAY H$N DANG CON GIA TR~ SU m)NG QuET TREN MA Y QuET I;AM SACH, NAN, VECTOR HOA so L$U DODAC Ludl TQADO- DO CAO SOHOA BANG BAN SO HOA LAM S~CHvA NAN , -;:(' A SOLIEU DO BANG cAc K THIET BI DO MAT Dfi:T LAp BAN DO SO BANG PRAN . MEM DU LIEU ? . ;;: BAN DO (v~TRf KHONG GIAN) ANH HANG KHONG va TRT; ... L~P BAN DO SO BANG CONG NGm:DO'IE mAl TICH ... I LApB:\ND6_SO~ANGCO~G I t ~II lNiG'i1t~:'eO'\ffiMe WtN'i-fi.~ ,f ' BAN DO H$N CO So L$U DIEU TRA cc5BAN DA CO TAl L$U DIEU TRA NGoAl Tm)C f)JA Dif. LIt U THUOC. , TINH ., (THONGTIN I COOTHfCH, I n1 '" 1t1.1DAN, D~H uJ'C5NG,TfNH! , '" . I.1 CHAT CUA i , K I CAC DOl . TU</NGD~ LY)SO DIA CHINH cAc TAILIi;:'UQuAN LY DAT . Hlnh1-1:cAe NGUON DU Ll~U vAo CUA CSDL TAl NGUYEN BAT Trang8 , ..1" ? i:::.. 1.2:TOM TAT NO I DUNG CUA DE TAl. ~ ? ~.. 1.2.1: MUC DICB CUA DE TAl. M\lc dichcuad~tainayla phanrich,thie'tke',xaydtfngm{)th~th6ngthong tindialy (GIS)dethuth~p,htutrU,xll'ly CSDLband6diachfnhvaCSDLh6so diachinh,ph\lcV\lcongmcqminly quy~nsll'd\lngdffta cffpsadiachinh.GIS naybaag6mnhungchucDangchocongtacxll'ly band6 diachinhva nhung chucDangchoconglacqminly h6sodiachfnh. 1.2.1.1:CAC CHilc NA.NGxU LV BAN DO DIA cHiNH. Band6diachinhla m{)tIo(;liband6chuyend~v~giai thila.no thehi~nstf phanchiatainguyendfftdaicuacacdonvi hanhchinha mucchitie'tDba-todola cacthll'adfft.Stfphanchiathanhcacthll'adtfatrennhungye'ut6nhudonvi hanh chinh.chusll'd\lng,hi~ntr(;lngSll'd\lng.lO(;lidfft,...D6i tu'<;fngqminly quailtrQng nhfftcuaconglacdiachinhIa cacthll'ada-t.tu'ongungtrenband6diachfnhla cacd6itu'<;fngvung(area.polygon).CSDL band6diachinhbaag6mhailo(;liban d6sail: Band6g6c:Band6g6cIaband6d~yduthongtinnhum{)tband6diachinh nhungkhongbi giOih(;lnbai khungband6.Ph(;lmvi band6g6cthongthudngla m{)tkhudo.Cachchia band6 g6cv~m~tkhonggianla ph\lthuQcVaGngu'di thanhl~pban(\6,ph" ~b\\Q\:vaokh{)i\u\jngdG'h~ubim06va eachphanvung khodo ve. Band6diachinh:La Io(;liband6ducjcquidinhnhutrongquiph(;lm.Ph(;lmvi va eachchiamanhband6 diachinhtuanrheasod6bangch~pdaducjcduy~t trongIu~nchungkhidove.Band6diachinhducjcIffyleutUffi{)tho~cnhi~uban d6g6c.Trenband6diachinhcacthtradttducjcthehi~nchitie't,m6ithtrala m{)t vung(polygon,area). Cae ehuenangehinhdudephattri~ntrongd~tai nay ehovieexll If CSDL band6IDaehinhg6m: . Xay dtfngcffutnic dif li~uchovi~chill trUCSDL band6diachfnh. . Ttfd{)ngfunl6i, sll'al6i ho~cdaubdffuvi tri l6i trenband6,lams(;lchs6 li~u,chuffnhoacacd6i tu'cjngd6hQat(;lonenband6diachinh. NJ b" dl::. an an o. . . T(;lo Topology dexaydtfngthongtinv~quailh~khonggiancuacacd6i tu'cjngtrenband6. . T(;loband6diachinhtUband6g6c,t(;lOkhungchoband6diachinh. . Danhs6thtravatinhdi~nnchtl!d{)ngcuacacthll'a. . T(;loband6chud~tucacviings61i~utrongCSDLh6sodiachfnh. Trang9 . Va'ndapcacthongtinquaband6ho~cthuQctinh. . D~tcaclo(;linhanthaatlrcacvtings61i~utrongCSDLh6sodjachinh. . Cac chilcnangxa 19lien ke'tdu li~ugiuaCSDL band6 dja chinhva CSDL h6sodjachfnh. . T(;loh6 soky thu~thaa,trichIt;lccuathaa,gia'ychungnh~nquy&nsa dt;lng.... Bandddjachinh 561 Bandddjachinh 562 Bandddjachinh 563 Bandddjachinh 564 """'-"'-"'-"'--:.'.r--"-""""-"-""-"-"""""--.. Banadg6c so'1 BandOgSe"f 2./////. . l< -<" , . l< , HInh1-2:BAN DO GOC VA BAN DO DIA CHINH . I 1.2.1.2:CAC CHilc NANG OUAN LY HO sO DIA CHiNH. H~CSDL h6 sodiachinhco mt;lcdichqUail19haid6i tlf(jngcobanlien quailde'nda'tdai,d6i tlf(jngthunha'tla cacthaada'tva d6itlf(jngthuhaila chu sadt;lngcuanhungthaada'tdo.TrongcongtacqUail19da'tdaicftnphaiconhung thongtinchotUngthii'ada'tbaagam: 1. Cacthongtint1!nhien(kichthaoc,vi trl,lo(;lida't,...) 2. Cac thongtin xa hQi(chusa dt;lng,ml}cdichsa dt;lng,quatrlnhbie'n dQng,...) .3. Cacthongtinkinhte'(giada't,milcthue',...) 4. Cac thongtinphap19(lo(;lihlnhsadt;lng,mucdQdangk9, gia'ychung nh~n,...) Trang10 H~CSDLh6socijachiOOthuangcocacbie'ndQngOOu: 1. Chuyenquy~nstidl;lng 2. Chuyenmvcdichstidvng. 3. GQPthaa. 4. Tachthaa. Trong d~tai naydaphilotich.thie'tke'.xaydUngmothe tho'ngchtidng trinhqminIf CSDL h6sdIDachinhdaDlingcaecongviectieDbienv~qmin Iy qny~nsitdungda'tdaisanday: . Xay dvngdiu trUcdt1li~uchovi~clautn1CSDLh6sodiachinh. . Ke'tn6ithongtinvdiCSDLband6diachinh. . Nh~pb6sungcacthongtinchotUngthtiad11't. . Thvchi~ndangky chusadvngchocacthaad11't. . Theod6iquatrinhbie'ndQngcuacacthtiadat. . In giffychungnh~nquy~nsadvngdfft. . Th6ngkedfftdaitheocacchilieu. . In racacIm;lis6sachv~d11'tdainhu'sddiaChlnh,s6fiVCke,... '" " ?;::;" J.2.~j_M(tHINH HF;J;~S CUA DE TAl NAY... Nhu'trenda trinhbay, trongGIS cac diI li~u du'<jcphanchia logic thanh2 lo<;lidt1li~ukhonggianva dt1li~uthuQcHnh.S\!'phanchianay cling rodrQng tu'ongt\l'chov11'nd~100tm v~tly cuadt1li~utrongGIS, nhu'ngcacmOlquailh~ giuahailo<;liduli~unayphaidu'<jcduytricaIDeoynghialogicvaynghia v~t ly.Co3cachtie'pc~ndexayd\!,ngCSDLchohailo~idt1li~utren. 1. Xay d\!,ngmOth~CSDL th6ngnh11't100tmca2 lo<;lidu li~ukhonggian va thuQCHnh. 2. Xay d\!,ngIDQth~CSDL chodu li~ukhonggianva IDQth~CSDL phan bi~tkhacchodt1li~uthuQctinh. 3. Xay dvngIDQth~CSDL chodll li~ukhonggianvavaih~CSDL chodll li~uthuQctinh. H~quailtriCSDL (HQTCSDL)(DataBaseManagementSystem- DBMS) clingcoeachtie'pc~nthichungvditungcacht6chucCSDL tren.Vdi tru'ongh<jp CSDL th6ngOO11'thill trUcahailo~idt1li~uthlciinmOtHQTCSDL chuyenbi~t choGIS do.Vdi tru'ongh<jpduli~ukhonggianvadll li~uthuQcHnh100trUdcac h~CSDLkhacnhauthlthongthuongdungmOtHQTCSDLcogiatri thuongID<;li " f:H"I.UH.TU'NHIEN THIfVIEN OO~~9 Trang11 (nhaOracle,FoxPro,...)choh~CSDL thuQctinhva mQtHQTCSDL ~c thllcho h~CSDLkhanggian. I)~tainaysadl;lngphuongphapKayd1!ngmQth~CSDL chodli li~ukhang gianva IDQthe;:CSDL phanbie;:tkhacchodli lie;:uthuQctmh,nhutrongIDahinh thehi~ntrenhlnh1-4. Nhuv~ycos1!phanbi~trarangcav~m~tlogicvam~tv~tly giliahaiphan he;:,thllnha'tla vhanheCSDLband6diachfnhvathllhailaphanheCSDLh6sa diachfnh.Tuynhiensl!ke'tn6idli li~ugiliahaiphanh~Iuandu<;5cduytrl. C6ngcvGIS H~qmintri file CongcvGIS Giaodit%ngudidung Phftnm~mquan1,9dcr li~ukhonggian H~quantriCSDL thuQc tiOO Cacfiledcrli~u khonggianvadcr li~uthuQctiOO Filest9ad9 Files thu{>ctinh ~ ~ lD I LINK lD I AITRI FilesTope moo 1-3:MO H1NH CSDL CHUNGCHO cA DU LIl;U KHONG GIAN VA THUQC TINH moo1-4:MO HlNH CSDL PH6I H(jP CSDL KHONG GIAN VA CSDLTHUOC TINH LA TAcH B$T NHUNGpHAI mJ(jc KET N61 VdINHAU Trang 12 1.2.3:MOl TRUONGPHAN MEM DUOCSU DUNGTRONGDE TAL 1.2.3.1:MOl TRUONGPHAN MEM DUOCDUNGDE PIlAT TRIEN cAc CONGCU CHOHE GISNHAMxAY DUNGHE CSDLBANDODIACH~ Theoquidinhcilanganhdiachfnh,cacdoitu'Qngband6duQchill trUdudi file formatchuffncilaIntergraph(IntergraphStandardFile Format:ISFF) Do la dC;tngDesignFile (.DGN).Moi tru'ongd6hQasli'd\lngIa moitntongMicroStation cilaGangtyBenley.Dayla maitntongd6hQan~ncocacchuGnangthaolacd6 hQaphongphunh~mtC;tOracacdOltu'Qngd6hQadadC;tngvachungduQchill trU trongcacDesignFile (.DGN) Di kernvdi moi tntongd6 hQaMicroStationla ngonngl1phattri€n MDL (MicrostationDevelopmentLanguage)clingca'pm<)tmOltntongl~ptrlnhchocac nhaphattri€n ungd\lngthu<)cthanhphftnthuba (TheThirdParty).Tli' mOl tntongd6hQanaycoth€ phattri€n cacapd~nglienquail d6hQanhu:thie'tke', kie'ntruc,GIS...Dffconhi~usanphffmthuangmC;tiduQcphattri~nbdiMDL trong moitntongMicroStationhuh~GIS: InergraphMappingOffice. MDL sad\lngngonng111~ptrinhC chuffn.Ta'tcachuangtrlnhngu6nC d~u co giatri trongMDL. Chi cohaidi€m MDL khacsovdi Cia: Thunha't,MDL clingca'pthemmOtthuvi~ncachamb6sungchothuvi~nhamcilaC. Thuhai, cacchuangtrlnhngu6nMDL khongdungm<)ttrlnhbiendichnhutrlnhbiendich cilaC d~dichra cactt;iptinkhii thi (.exe,.com)C1mUGh~di~uhanh,matrlnh biendichcilaMDL dichcact~ptinngu6nracact~ptinapd\lng(.ma)chicoth~ thihanhtrongmoitntongMicroStation.Nhuv~ycacapd~ngMDL duQctfchhQp trongmoitntongMicroStation. Trongd~tainaydffdungngonngl1MDL d€ phattri€n cacGongc~choffi<)t h~GIS nh~mm~cdfchxaydl!ng,lu'utill,xli'19h~CSDLband6 diachfnh. 1.2.3.2:HQTCSDLDUOCDUNGDE xAY DUNGvA OUANLtItE CSDLHO so DIA CHINH. Phan h~CSDL h6 sa dia chfnhduQct6 chUGtheoma hinh CSDL quailh~. Dl1li~uh6 sa dia chfnhduQclu'utrongfile formatchuffnDBF cila HQTCSDL FoxPro. Ngon ngl1l~ptrlnh FoxPro duQcdungd€ phattri€n m<)tap d\lng cho vi~cqUail19cacd111i~uv~h6 sadiachinh. Trang13 BANDO TREN '" GIAY H$N DANG CON mA TRfSlr D1}NG SO~$U DOBANG cAc '" THIET BJ DO MAT DAT ANH HA,NG KHONG va TR1} QuET TREN MAy QuET BAN sO HOA LAM ACH,NAN, VECTOR HOA LAM SACf!vA NAN sOL$U DO ACUJOI TQl DO- D(>CAO LApBAN00 sO BANG PRAN MEM ,LApBAN DO sO BANG CONG NG~ DO VE mA._.l TICH FILES TQA DO (DGN) xAy DVNG TOro FILES TOPO (Quan M kMng gian) ,LAp BAN DO s6 BANG CONG NGHE I - -~. '£1 1 . BO VE MO I:a1U\TH;SOt BAN DO H$N CO CSDL TICH HOP BAN DO VA HO so DiA CHThoTJf TAIL$UDIEUTRA NooAI THTjc DJA SO L$U DIEU TRA co BAN DP.CO FILES THUQC TfNH (DBF)s6 DJA cHfNH cAc TAl L$U QUAN , '" LYDAT cAc Ap DlJNG ~ :~: TAC DJA CHlNH Hinh1-5:MO HINH GIS MA BE TAl TH(,fCH~N CHO CONGTAc BJA CHlNH Trang14 Chlldn K.2 A A ?;;. " PHAN ~ CSDL BAN DO DfA CHINH Tom tilt: TrongehliClngnayphdn thanh(ttgiClithi?ucae log,ithongtin ella nhT1ngdo'itli(fngband6 trenband6djaehfnhso.Phdnthahaimota e(1'utruefile ehudn(fileformat)ellafile d6 hQaDGN, la log,ifile d6 hQadli(lCdungdi lztutrT1 thongtin vj trf khonggianellaband6 djaehfnh.Phdn thabadlia ra caemohinh ehodT1li?u khonggian,d~xudtmQtetJutruedT1li?u rheamohinhtopologyeho vi?e lztutrT1CSDL band6 dja chfnh.Phdn thatli neura thutJtgiai chi titt di xay d1fngtopologyehofile d6 hQaDGN, titp rheala caethutJtgiai ehfnhehovi?exay d1fngpoonh? CSDL band6djaehfnh. A? ;:;: ?;:;: , 2.1: TONG QUAN VE CSDL BAN DO DIA CHINH. Band6diachinhIii mOtIo~iband6chuyend~v~giaithii'a,noth<ihi~nsq phanchiatiiinguyendit daicuacacdonvi hiinhchinh(jmucchitielnhit,doIii cacthii'adtt.Sqphanchiathiinhcacthii'adqalIennhungyeut6nhudonvi hiinh chinh,chusii'dlfng,hi~ntr~ngsii'dqng,lo~idit,...D6i tuQngqUailIy quailtn;mg nhit cuacongtacdiachinhIii cacthii'anit, tuonglinglIen band6diachlnhIii cacd6ituQngvung(area.,polygon)~dayla caed.6itUQnghaichi~u,tueIii chung dU<;fcbaaber!cacpolygonph~ng.B?c di~mcuaband6diachinhIii cacd6itUQng vung(thii'adtt)phaiphilkin b€ m?tkhonggianband6,d6ngthaihatvungk€ nhaukhongth~t6nt~iph~nch6ngItp Iennhau.MQid6ituQngngoiiithqcdiaco chiemmOtdi~nrichb€ m?tdit d~udu(jcth~hi~nIii mOtvung(thii'a)lIen ban d6.Cacvungcoth~Iii dit dangsii'dqngnhu dit nongnghi~p,dit th6cu,...cling coth<iI i duanggiaothong,song,su6i,rung,mH,... TrongconglacqUailIy dit daicuangiinhdiachinhc~nphaiconhungthong tinchomngthii'adit baag6m: . . Cac thongtin tl!nhien(kichthudc,hinhdang,vi tri,lo~idit,...) . Cac thongtin xa hOi(chusii'dlfng,mqcdichsii'dqng,quatrlnhbi€n dOng,...) . Cacthongtinkinht€ (gianit, m1i'cthu€, ...) . Cacthongtinphaply (lo~ihinhsii'dt)ng,mucdOdangky, gity chung nh~n,...) Band6diachinhse clingcip cacthongtintl!nhiencuathii'ada't,concac thongtinxahOt,kinht€, phapIy cuathii'adit dll(jCclingctp tITCSDL h6sodia chinh,duQcketn6ivdiband6diachlnhvii seth~hi~ntrenbande)nhucacchu thich,nhanmoill. Trang15 2.1.1: CAC D6I TUONG TREN BAN DO DIA CHINH. Band6diachinhduQct<;tohanhtitcaclo<;tido'itu'Qngcdbansailday: . Di~mco l~p(Point):co vi tri khonggianduQcxacdinhbdi tQadQcua di~m.DuQcdunglam d<;tidi~nchocacthii'a(vung),dc}t<;tiamcuathaa (centroid). . Duong(Line):duQcxac dinhbdi hai di~md~uva cuo'i.Chu6iduong (LineString):duQcxacdinhbdimQtdaylientie'pcothat1!cuacacdi~m, trongdocomQtdi~md~uvamQtdi~mcuo'i.MQthaynhi~uchu6iduong khepkinset<;tohanhmQtvung(thii'a). . Vung (Polygon,Area): th~hi~ncac thii'adill, duQct<;tora bdi mQthay nhi~uchu6iduongkhepkin,duQcd<;tid ~nbdimQtdo'itu'Qngdi~mdc}tt<;ti centroidcuavung. . Nhanmotel(Text):Cacdo'ituQngtextduQclaytitCSDLh6sddiachinh, th~hi~ntrenband6 d~ghichu,giai thich,di~ngiai. Vi d1;lnhu:so'thii'a, di~nrich,hQtenchusii'd1;lng,lO<;tid lt,... Nhu v~ycacdo'itu'Qngkhonggiand~t~othanhband6 dia chinhd~uco cd sd la do'ituQngdi~m,vi tri khonggianduQchill tn1'chI Hi cac tQadQdi~m. M6i do'ituQngkhonggianbaag6mcaclo<;tihongtinsailday: . Thongtinv~vi trikhonggian(spatialdata). . Thongtinveqmmh~thonggian(relationalspatialdata- topology). . ThongtinthuQctinh,phikhonggian(attributedata). " ;:, "" 2.1.2: THONG TIN VE VI TRI KHONG GIAN. ChungtaKayd\l'ngband6diachinhrheamohinhdli li~uvectordodothong tin v~vi tri khonggiancuacacdo'itu'Qngchinhla tQadQkhonggiancuacac di~mt~oDendo'itu'Qngdo,cactQadQnayduQchill till trongmQtd<;tngfile d6 hQa. Theoquidinhcuanganhdiachinh,cacdo'itu'Qngband6duQclUlltrUdudi file formatchuftncuaIntergraph(IntergraphStandardFile Format:ISFF).Do 13. d<;tngDesignFile (.DGN).cilu truccuaISFF daduQccongbo'nhula mQttrong cacchuftnv~d6hQatrenthe'gidivacomotelformatrorang.Vi~csadlJngCall trUcfile naykhongc~nthie'tphiiicobanquy~ncuaBenleyvaIntergraph.Ph~n haicuachudngnaysemotelcilutrUccuafileDGN. " 2.1.3: THONG TIN VE OUAN HE KHONG GIAN. Cacfile DONla cacfile d6hQad<;tngvector,duQct<;tohanhtuvi~cso'hoa cacanhratercuacacband6giilyduQcquetVaGbangscanner,hoc}cduQcso'hoa Trang16 tn!ctie'pcacband6gia'ytirbans6hoadigitizer,ho~cduQcve tn!ctie'ptUmoi trUCfngd6hQaMicroStation,..Chungchicothongtinv~vi trikhonggiancuacac d6itu'(jngd6hQa,chuye'uIa cacduCfng(line)vachu6idudng(linestring).Chua th~xacdinhduQcd6itU(jngquailtrQngcuaband6diachfnhIa cacvung(thd'a). VI v~ykhongth~thtfchi~nduQccacxd'19ttfdQngtrentUngthd'ada'trongcong lac diachfOOnhutfOOdi~nrIch,daOOs6 thd'a.ttfdQng,ve OOanthd'a,trfchl~c thd'a,t<;10h6 soky thu~tchothd'a,...D~giaiquye'tdu(jccacva'nd~naycffnxay dlfngquailh~khonggian(relationalspace)giuacacd6itu(jngtrenband6,hay congQila xaydtfngtopologychoband6.CacthuQctfOOtopologycuacacd6i tU(jngkhonggianla cacthuQctfOOnhustfk~nhaucuacacvung,stfn6itie'pcua cacchu6idudng,vungbellphai,vungbelltraicuamQtchu6idudng,...nhungd~c thukhonggiannaykhongbi thayd6ibdicacphepbie'nd6inhu:di chuy~n,ti l~, quay,...trongkhi tQadQkhonggianvamQts6thQctfoohlnhhQcnhudi~nrIch, chuvi, stfdtnhhuangla btanhhudngbdicacthayd6inhuv~y.Cacthongtinv~ quailh~khonggiansedu(jchill trfi'trongmQts6file (coth~Ia file d<;1ngbang DBF, coth~la file nhiphan,...) di kernvai file d6hQaDONd~t<;10thanhCSDL band6diachinh. Kay dtfngtopologychocacd6itu(jngkhon~gianla mQttrQngtamcualu~n vannay,du(jcd~c~pchitie'trongphffnbavaboncuachuangnay. 2.1.4: THONG TIN THUOC TiNH~PHI KHONG GIAN. Thongtinnaydu(jchtuduaid<;1ngcacbangquailh~theoIDOhlnhCSDL quailh~,trongphiloh~CSDL h6sodtachfnh.CacthongtinnaydU<;1cke'tn6ivoi cacd6i tU(jngkhonggiantrenband6va coth~du(jcchoth~hi~ntrenband6 nhucacd6i tUQngtext.Cac thongtin thuQctfnhclingduQcdungd~lam~ieu chu~nchovi~ct<;10cacband6chuyend~,ho~cd~troyva'n(query)theothuQc Hnh. Trang17 A ., K' K" A ;i!:: 2.2: MO TA CAD TRUC FILE CBUAN CUA BE DO BOA MICROSTA TION. 2.2.1: CAU TRUC DESIGN FILE (DGN). ,.t', .. 2.2.1.1:CAU TRUC CHUNGCUA FILE. Designfile (.DON) 13.file ki~unhiphan,hmtrUtuftntl!cacmill tin (record) co de>dftithayd6i. Cac m§:utin trongfile g6mcac lo~i:dftucuafile (designfile header),thongtin dii d~t(file setup information),cacphftntii'd6 hQa(graphic elements),va dii'li~uphi d6 hQa(non-graphicdata).Cac m§:utin trongfile duQc hanchiathanhcacki~u(t e),ta"tcaco cacki~unhu'bangsau: Ki~u (T e) Mo ta 1 CellLibraryHeader 2 Cell (complex) 3 Line 4 LineString 5 GroupData 6 Shape 7 TextNode(complex) 8 DigitizerSetupData 9 DesignFile Header 10 LevelSymbology 11 Curve 12 i CompieJ(SC'irJing{oompkJ(} 13 I Conic 14 ComplexShape(complex) 15 Ellipse 16 Arc 17 Text 18 Surface(complex) 19 Solid(complex) 20 Notused 21 B-SplinePole 22 PointString 23 CircularTmncatedCone 24 B-SplineSurface(complex) 25 B-SplineSurfaceboundary 26 B-SplineKnotElement 27 B-SplineCurve(complex) 28 B-SplineWeightFactor 33 DimensionElement 34 SharedCellDefmitionElement 35 SharedCellElement 36 MultilineElement 37 AttributeElement 66 MicroStationApplication 87 RasterHeader 88 RasterComponent 90 RasterReferenceAttachment Trang18 ,It TYPE 9(KIEU 9) WordsTo Follow- WTF (Kichthudcmttutin) ,..................... DesignFlie Header(PhanttIdatiftle) I """"""""""""""""""""""""""""""""""""""""""'""""""" ".......................................................................... M6i DesignFile luDn 6 File Headerg6m3 phiinttI: TYPE 9 TYPE 8 TYPE 10 --~ I~:_:~~-=~.~:~~_::~-~] ,It TYPE 10(KIEU 10) WordsToFollow- WTF (Kiehthudemttutin) """""""""" ~~~:l:~~~~g:(~~~:.=.~~~~.ldefa~lt) ! ,..................................................................................................... u ' u ------- ; ---.--.-------------------------------------.--.--.---- ........................... -'---' '_U_-' u-u u . r-'r--'---'="~~:~:n=.":=~~~~~-,~:=~~:.~~~'-"'f-'" ;.... Caephiintitd6hQa euanguoidungvi: vao DuqelttutrUtu.1ntt! trongthanctiaftle. .. ~,~~ ~~ ~~~Vyy - .. ~~ p~'"'u LUUV,", UIQU LUI! UserElement(Ph.1ntitd6hQaeuangl!oidung) , """"""""""""-"" " , I ~ EndOf File(Ke'tthueftle) H'mh2-1:CAUTRUC TUANTI;F VdI cAc MAUTIN CO DO DAITHAYDOICUA DESIGNFILE Trang19 ,It TYPE 8 (KIEU 8) .... WordsTo Follow - WTF (Kieh thudemttutin).. - -- . , WordsToFollow- WTF (Kichthudemttutin) UserElement(Phiintitd6hQacuanguoidung) 2.2.1.2:CAD TRUC CHUNG CUA Men PHAN TU. T~t cacacphc1nrtrongdesignfiled€u cochungc~utrucnhu'sau: ffinh2-2:Ca'utrUcchungcuacacph~ntU' trongdesignfile A. nUUphii'ntit(Elementheader). MQi phantit d~uc6yungthongtindill!phantU'giongnhau,co dOdai co dinhla 18tU(words),tUtU0 dtn tu 17,g6m2phc1n.Phc1nthunh~tIa Elm_hdr dai 14tU,chuacacthongtinv~phc1ntU'g6m:ki~u(elementype),muc(level), kichthu'dc(wordstofollow),va tQadOvungchuaphc1ntU'(rangeinformation). Phc1nthu haila Disp_hdrdai4 tU,chuacaethongtinv~thuOctinhva d~ctinh hi~nthicuaphc1ntU'.C~utruccuaElementheadertheoC nhu'sau: typedefstruct{ unsignedlevel:6; unsigned:1; unsignedcomplex:1; unsignedtype:7; unsigneddeleted:1; unsignedshortwords; unsignedlongxlow; unsignedlongylow; unsignedlongzlow; unsignedlongxhigh; /* levelelementison*/ /* reserved*/ /* componentofcomplexelem.*/ /* typeofelement*/ /* setif elementisdeleted*/ /* wordstofollowinelement*/ /* elementrange- low*/ /* elementrange- high*/ Trang20 ElementHeader (f)u phh t*-dtli18words) ElementData (00 liu phn t* ) (dQdiUbie'nd6itilyphn ttl) AttributeLinkage (Ma lienke'tvdidiYliu thuQctinh) (dodtlithavd6i) unsignedlongyhigh; unsignedlongzhigh; }Elm_hdr; typedefstruct{ unsignedshortgrphgrp; shortattindx; union{ shorts; struct{ unsignedclass:4; unsigned1:1; unsignedn:1; unsignedm:1; unsigneda:1; unsignedr:1; unsignedp:1; unsigneds:1; unsignedh:1; }b; }props; union{ shorts; Symbologyb; }symb; }Disp_hdr; typedefstruct{ unsignedstyle:3; unsignedweightS; unsignedcolor:8; }Symbology; /* 14words*/ /* graphicgroupnumber*/ /* wordsbetweenthisandattributelinkage*/ /* class*/ /* locked*/ /* new*/ /* modified*/ /* attributespresent*/ /* viewindependent*/ /* planar*/ /* l=nonsnappable*/ /* hole/solid(usually)*/ /* 4 words*/ /* linestyle*/ /* lineweight*/ /* color*/ Nhztvavelementheadergomhai phan: . Elm_hdr;dfti14words,IDOtathongtinchungcuaphftntit . Disp_hdr;dfti4words,IDOtathongtindisplaycuaphftntit Trang21 AL-Kiiu vamuccuaphli'ntit(Elementypeandlevel). Tti'd~utientrongheadersexacdjnhki€u (type)vamli'c(level)cuaph~ntit CacbittrongtU'naybe>trinhasan: ~ U Type C R Level h~ntii'la don~ian h~ntii'(O-g3) Al. Kichthadcphil'"tit(Wordstofollow-~ Tti'thli'2 cuaelementheaderxacdinhkichthadc(Hnhb~ngtU'(word)=2 byte)cua ph~ntii'(khongk6 tU'1 va tU'2). De>ivdi ph~ntii'phli'ct~p(complex elements)dayla kichthu'dccua complexheaderkhongbaag6mkich thu'dccua cacph~ntii'thanhph~n. A3. Vlln.!!bao(Ran.!!e). Tli tli thli3de"ntU'thli14cuaelementheaderla 6 songuyen(longint)xac dinhtQadQg6ctraithip va g6cphaicaocuamQthinhchlinhi;ttnhonhit baa ph~ntii'. A4.sif nhomgraphic(Graphicgroupnumber). , Tti 15chli'aconsochinh6mgraphicmaph~ntii'thuQcvao.Ne"ula0 thiph~n tii'khongthuQcnh6mgraphicnao,ne"ukhac0 thiph~ntii'thuQcnh6mgraphicvdi tit cacacph~ntii'c6clingsonh6mgraphic. AS.Khodngcachtmdi/lieuthuoc({nh(Indextoattributelinkage). Tti 16xacdinhkhoangcach(Hnhb~ngtU')tU'tUthli'17Wi tU'd~utiencua vlingdli li~uthuQcHnh(attributedata).Vungdii'li~uthuQcHnhc6th~c6ho~c kh6ng. Trang22 A6.ChlAinhthu{)ctinhohlintit(J'ropertiesindicator)~ Tir full'17motacacthuQctinhcuaphftntit HISIPIRIAIMINIL Reserved Class . BitH: 0 Voi cacphftntii'dong:0=f)~c(Solid),1=L6 (Hole). 0 Voi cellheader(type2): 0 =Headerfor a cell, 1=Headerfor an orphancell. 0 Voi cacphftntii'duC1ng(line): 0=f)o~nthAng(Linesegment),1= Infinite-lengthline. 0 Voi cacphftntii'chu6idi€m: 0=Lien ll;1c(Continuous),1=RC1ir~c (Disjoint). 0 Voi caephfintii'khackhongcoynghla. . BitS:Phftntii'coth€ Snapkhong? 0=Snappable,1=Not snappable. . BitP:B~m~tcoph~ngkhong?0=Planar,1=non-planar. . Bit R: Huangcuaphfintii':0=Orientedrelativetodgnfile, 1=Oriented relativetoscreen . Bit A: Phfintii'codll li~uthuQct1nhkhong?0=KhongcoAttributedata, 1=C6. . Bit M: Phftntii'co bi sltad6i chu'a?0 =Not modified,1=Hasbeen modified. . BitN: Phfintii'comoikhong?0=Notnew,1=New. . Bit L: Phfintii'cobikhoakhong?0=Notlocked,1=Locked. . Bit 4-7: Dl;!trU (Reserved). . Bit Class: O. Lop chfnh (Primary); 1. Thanh phfin m~u to (Pattern component);2.Phftntii'xaydl;!ng(Constructionelement);3.Phftntitklch thu'oc(Dimensionelement);4.Primaryruleelement;5.Linearpatterned element;6.Constructionruleelement. A7.s4cthaicuaph/intit(Elementsymbology). Tir thll'18 xac dinhsymbologycua phftntit (color,line style,andline weight). ~ . s6 mall(color)tir0 de'n255chi dinhmallcuaphfintit. . s6 trQng(weight)tir0 de'n31chi dinhtrQngcuadu'C1ng. Trang23 . Ki€u duCfng(linestyle): O.Solid(SOL) 1.Dotted(DOT) 2.Medium dashed(MEDD) 3.Long-dashed(LNGD) 4. Dot-dashed(DOTD) 5. Short-dashed(SHD) 6. Dashdouble-dot(DADD) 7. Longdash-short dash(LDSD). B. Dillieu cuapktlntit(Elementdata)~ . Thu'angchuyellla t9adQcuacacdi€m t(;tonenphffntit C. Vunglienlet tku{jclink (AttributeLinkager)~ M9i phffntii'd6h9acoth€ codli li~uph~trQla dli li~uthuQctlnhhoi;ichua cacm6i lienketvdi dli li~uthuQctlnh.Dli li~unayco th€ la malien ketvdi CSDL hayla m9ithongtinkhaclienquaildenphffntit so'lienketla khongh<;ln che,VIv~ykichthudccuavungnayla thayd6inhungkhongduQcvUQtqua256 t11,d6ngthaiclingbi rangbuQcbdi kichthudccuaroanbQmQtphffntlrkhong duQcVUQtqua768tlr. 2.2.1.3:PHAN TV CeJBAN vA PHAN TV PHUC TAP (PRIMITIVE AND COMPLEX ELEMENTS). A. Ph/in titcdban(primitiveelement). La cacph§ntirg6m:line, linestring,shape,eHip,arc,text,vacone. B. Phtln titplllZCtap(complexelement). MQt phffnta phuct(;tpla mQtt~ph<;1pcaephffnta theov~tly, nhungc6 y nghlalogic la mQtth1!Cth€ don.N6 duQc100trongdesignfile g6mmQtcomplex elementheadertrongd6 phffndffu18words1aelementheaderva mQtso'words b6 sungmy ki€u phffntlr phuc t<;lP,tiep sau la cac phffntii' thanhphffn.T6ng chi~udai cuaphffntaphuct(;tpkhongvuQCqua65535words. lit lit .. 2.2.1.4:PHAN DAD CDA DESIGN FILE (DESIGN FILE HEADER). BaphffntadffutiencuadesignfileduQcg9iladesignfileheader.D6lacac phffntaType 8,Type9,Type 10. . Type8:Digitizersetup,chiduQcdungbdiIGDS,biMicroStationboqua. . Type 9: Design File Header, cac thong tin v~ di~ukhi€n designfile "TerminalControlBlock(TCB)". . Type 10:Level symbology:cacthongtin s~cthaidinhs~n(color,line style,andlineweight). Trang24 2.2.1.5:CAD TRUC MOT SOPHAN Ti1DUNG TRONG BAN DO DIA CHINH. A. lJdi tlidnf!diim(cellelement- Type2). Trong band6 dia chfnhillQtd6i tu'<;1ngdi~illdu'<;1cbi~udi€n bangillQtphftn nr cell, do la mQtky hi~u(symbol),thongthuangdu<;1cIffy tU mQtthuvi~nky hi~u(cell library).No du'<;1clu'utrongdesignfile theocffutrUcsail: . Thongtinchungv~d6i tu'<;1ng(elementheader). . Thongtinchungv~hi~nthi(displayheader). . Ten ky hi~u(cellname). . Chi s6lop (level). . T9a dQthffpnha't(min). . T9a dQcaonhfft(max). . Ma tr~nchuy~nd6it9adQ(tranmatrix). . Vi trft9adQd~tky hi~u(origin). . Chis6lienketthuQctmhMSLINK(neucothuQct1nhdikerntheo). typedefstruct{ Elm_hdr ehdr; Disp_hdr dhdr; unsignedshort totlength; long name; short class; short levels[4]; Point2d mglow; Point2d mghigh; Trans2d trans; Point2d origin; }Cell_2d; /* elementheader*/ /* displayheader*/ /* totallengthof cell */ /* Radlx50name*1 /* classbitmap*/ /* levelsusedin cell */ /* rangeblocklow */ /* rangeblockhigh*/ /* transformationmatrix*/ /* cell origin*/ B. lJlli tl/dngdllilng(LineElements-Tvpe3). . Thongtinchungv~d6i tu'<;1ng(elementheader). . Thongtinchungv~hi~nthi(displayheader). . T9a dQdi~mdftu. . T9adQdi~mcu6i. . Chis6lienketthuQctfnhMSLINK (neucothuQctfnhdikerntheo). typedefstruct{ Elm_hdrehdr; Disp_hdrdhdr; /* elementheader*/ /* displayheader*/ Trang25 Point2dstart; Point2dend; }Line_2d; /* startingpoint*/ /* endingpoint*/ c. Difi tlJdngchu8idllilng(Jine StringElements-Type4)~ . Thongtinchungv~d6itUQng(elementheader). . Thongtinchungv~hi~nthi(displayheader). . s6h1Qngdi~mthamgiavao(numberofvertex). . TQadQdi~m1. . ..u.. . TQa de>di~mn. . Chis6lienke'thuQctlnhMSLINK (ne'ucothuQcHuhdikerntheo). typedefstruct{ Elm_hdrehdr; Disp_hdrdhdr; shortnumverts; Point2dvertice[l]; }Line_String_2d; /* elementheader*/ /* displayheader*/ /* numberof vertices*/ /* points*/ p. Doltlldngtext(TextElements-Type17). Me>td6itUQngtextla chu6ichud trenmQtdongddn. . Thongtinchungv~d6itUQng(elementheader). . Thongtinchungv~hi~nthi(displayheader). . Ki~uchu(font). . Ki~us~pchu(justify). . DQcaochu(heightchar). . DQrQngchii'(lengthchar). . Gocquay(rotation). . Vi tritQadQd~tchit. . s6kyn,t(#of char). . NQidungchiI'(text). . Chis5lienk~tthuQctinhMSLINK (ne'ucothuQcHuhdikerntheo). typedefstruct{ Elm_hdrehdr; Disp_hdrdhdr; bytefont; /* elementheader*/ /* displayheader*/ /* textfontused*/ Trang26 bytejust; longlngthmult; longhghtmult; longrotation; Point2dorigin; bytenumchars; byteedflds; charstring[1]; }Text_2d; /* justificationtype*/ /* lengthmultiplier*/ /* heightmultiplier*/ /* rotationangle*/ /* origin*/ /* #ofcharacters*/ /* #ofenterdatafields*/ /* characters*/ l1J){i'ltz/(/ngtextnode(TextNodfLEJements-Tvoe7).:- Textnodelfl me>tphftnntphuct(;lp(complex),nolfl me>tnhomcacphftnnt text,nhfimghepnhi~udongtextthflnhme>tphftntit . Thongtinchungv~d6itu'<Jng(elementheader). . Thongtinchungv~hi~nthi(displayheader). . Kichthadccuatextnode. . so'dong(#ofstring). . Chiso'(nodenumber). . De>dflit6idachophep(maxoflength). . Ki~uchii'(font). . Ki~usapchu(justify). . De>re>ngchu(lengthchar). . De>dandong(linespacing). . De>caochu(heightchar). . G6c quay(rotation). . TQade>d~tchao . Textelement1. . ...... . Textelementn. . Chi so'lien ktt thue>ctlnh MSLINK (ne'uco thue>ctiOOdi kern theo). typedefstruct{ Elm_hdrehdr; Disp_hdrdhdr; unsignedshorttotwords; shortnumstmgs; shortnodenumber; bytemaxlngth; /* elementheader*/ /* displayheader*/ /* totalwordsfollowing*/ /* #of textstrings*/ /* textnodenumber*/ /* maximumlengthallowed*/ Trang27 bytemaxused; bytefont; bytejust; longlinespc; longlngthmult; longhghtmult; longrotation; Point2dorigin; }Text_node_2d; /* maximumlengthused*/ /* textfontused*/ /* justificationtype*/ /* linespacing*/ /* lengthmultiplier*/ /* heightmultiplier*/ /* rotationangle*/ /* origin*/ 2.2.2: THUVlEN KY HIEU (CELL LIBRARIES .CELh Thuvi~nkyhi~uhIDtn1cacky hi~uband6duoid~ngcacd6itu'Qngd6hQa. Khi d~tvaoband6thuangdu'Qcoinhucacd6itu'Qngdi€m col~p. 2.2.3: THU VlEN KlEU DuliNG (LINE STYLE LIBRARIES .RSC)~ Chuacacthongtinmotacaelo~iki€u duangchocacd6itu'Qngki€u duang (line). 2.2.4: Tnt! VI~N FONT CHi! (FONT UBRARIES .RSC). Lu'utracaclo~ifontchakhacnhauduQcdungtrongband6. Trang28 2.3:Xi\.Y DUNG TOPOLOGY CBO FILE DO BOA DGN. Nhuphftnhaichungtadffthifyfile d6hQaDON la file theomohinhvector trongdo cacd6i tuQngde ~o nenband6 diaChInhIa cacdiem(cell),Quang (line),ho~cchu6iQuang(linestring).Cacd6itu'QngnaychIcothongtinv~vi ill khanggian(tQadOkhanggian),chuaco cacthongtin thehi~nm6iquailh~ khanggiangiuacacd6itu'Qng,nenchungtakhongxacdinhduQccacd6itu'Qng vung(la thitaGifttrongband6diaChInh).Co haimahinhthuangduQcsitd1;lng debiendi€n cactht!cthedia19thanhcactht!cthetrongCSDL lamahinhsQbun (spaghetti)vamahinhtopology. 2.3.1: Me)HINH SOl BUN (SPAGHETTI). Dayla mahinhcdband6ivdiduli~ud<;lngvector,trongmahinhnaycoba lo<;lid6itliQngcdbanla: . Cac di€m (point)bi€u di€n bdi cacc~ptQadOkhonggian. . Cac Quang(polyline)la chu6ico thli tt!cacc~ptQadO. . Cacvung(area)la nhungQuangkhepkIn,tlicla cacdagiac(polygon). M6i d6i t1l9ngkhonggian dU9Cxem nhu\a mQtph~n111d6 hQa(graphic) dOcl~p.Cac d6i tuQngkhonggianneuco thongtin thuOctInhthl thuangduQchill trongcling mOtfile. Cac di€m co th€ duQcth€ hi~nbdi cac ky hi~u(symbol) khac Mall, cac duangco th€ co mall sa:c(color),trQng(weight)khacnhau,cac vungco th€ duQcto (fill) vdi cac m§:u(pattern),mall sa:ckhacnhauph1;lthuOc vaogia tri cacthuOctInhcuad6i tu'Qng. M6i hinh d<;lngcua mOtvungdia ly duQcbi€u di€n bdi mOtsQi bun (spaghetti),cacC<;lnhdagiact<;lOthanhduangbiencuavung,m6idagiacla mOt polylinekhepkill,m6ipolylineduQcbi€u di€n bdidanhsachcothil'rtf.cacdi€m. VI d\!,trongkink2-3cacvungdialy A,B,C,DduQcbi€u di€n b~ngcacsQi bunsail: A:[1,2,14,15,16,17,18,19,12,13]. B:[2,3,4,5,6,16,15,14] C:[6,7,8,9,17,16] D:[9,10,11,12,19,18,17] Trang29 M6i vtingd!a19dtlQchill tn1nhttla mQtphiinnrd6hQa(graphic)dQcl~p. Cacdinhchungcuanhi~uvungduQc11ml~pl'.tia m6iviing. B D A 4 5 6 A 7 3 1 B2 14 8 18 D tV) 13 12 Hlnh 2-3:Biiu di~ncacvungdia19bangmahinhsQi bun Ba'tky hlnhd'.tnghlnhhQcnaotrongm~tph£ngtIeDcdsa di€m va dttong th£ngclingcoth€ bi€u di~nbangm6hinhsQibun.M6 hinhspaghetticlingca'p lienke"tcdsacuacachinhth€ kh6nggian,nhungkhangclingca'pdttQcquailh~ kh6nggiangiuachung.Cachbi€u di~nnaykhangcohi~uquavdicacphepphan tichkh6nggian,d6ngthaicoSlJdttthilatronghill tn1baivi duangbiengiuahai vunggiapnhauduQc11mhailan,m6iliin chomQtvung,di~udod~ntdicacd~c di€m sail: . Khi di~uchinhmQtvungthivungke"bellkhangdi~uchinhthea,lamt'.to racac16h6ngnhant'.to(gap),ho~chaivtingke"nhaucophiinch6ngla'p leuMali. . Cacvungcothi ch6ngla'pleuMall. . Cacvungcothi kh6ngphilkinkhanggianband6. Hinh2-4 MinhhQacacd~cdi€m trencilamahinhspaghetti. Trang30 Mo hlnhspaghettihuangdU<;fCsa d~ngvaGnhunglingd~ngband6 may tinhd<5ngian.Khongdoihoi thaotachffihhQcphuct(;lpva quailh~d(u trUc. Nhungchungd~cbi~tthu~nl<;fichovi~cbi~udi~nd6hQatrencacthie'tbi nhu manhInh,mayin. 10 11 2 12 1 4 Hinh2-4:CaevungA,B,Ceoth~eh6ngHip,vakhong phukinkhonggianband6. A..tt,2~3A1B:l5~6107,81C:[9~lO,11,l21 2.3.2: MO HINH TOPOLOGY. Trongmohinhtopologyduangbiencuacacvungbi c3:thanhmQtdayeac xau(chain)va nut(node).Quanh~khonggiangiuavung,xau,nutdu<;fedinh nghlaro rangtrongeaebangthuQetlnh.Caekhaini~mcdbantrongmohlnh topologyla: . Di~m(point):la di~mcol~p. . Dinh(vertex):dinhcuacaevung. . . Nut (node):la dlnhchungcuait nha'tbavung(trirnhungnutn~mtren vtingdao). . Xiiu (chain):g6mmQthaynhi~udo(;lnth!ngn6itie'pMall, manon6ili~n hainutnaGdo. . Yang(ring):la dagiacdu<;fct(;lOboimQthaynhi~uxau. . Vung(polygon):du<;fct(;lOboi mQtyangngoai(outerring)va khongco hayeoMungyangtrong(innerring).VungddngianIa vungkhongeo yangtrong.Vungphuct(;lpcomQtho~cnhi~uyangtrang,m6iyangtrong t(;lOthanhmOtdao. Trang31 6 7 C 3 9 A B 5 8 Chungtuantheocacquit3:csail: . M6i xaug6mmQthaynhi~udo(;lnthAngco mQtdinhd~ula nutd~uva mQtdinhcu6ila nutcu6i. . MQtxauconutd~uvanutcu6itrungnhauset(;lothanhmQtvungdao. . NutIa di€m giaonhaucuacacxau. . M6i vlingduQcbaoboimQthaynhi~uxau. . M6i xauchicomQtvung0phiaphiiivamQtvung0phiatraicuano. . M6i vungphiiila vlingphiiihayvungtraicuaitnha'tmQtxaunaodo. Trongmohlnhtopologyd6itUQngvungkhongduQchillboimQtph~ntii'd6 hQadQcl~p(t11cvungkhongphiiila d6itU(jngv~t19trongfiled6hQa)manola mQtph~ntti'logicduQcxacdjnhthongquathongtinquailh~khonggiancuacac d6itu(jngkhac.Vi v~ycacbiencuavungla khongbaogiGl~pl(;li,til'dodftnde'n trongmohlnhtopologycod~cdi€m sail: . Khi di~uchinhmQtvungthlvungke'belldi~uchinhtheo. . Cac vungkhongth€ ch6ngla'pleDMall. . Cac vungphilkin khonggianbiind6. Nut(node) Dinh(vertex) x 4 Xaua B aub 8 . 21 ~ XaUj~N7 22 18 A D ffinh2-5:Caekhaini~mtrongmahlnhtopology Trang32 Khi chuy~nmQtband6tUmahinhspaghettisangIDahinhtopologysephai thl1chi~nIDQtquatriOOgQila epph~ng(planarenforcement),d~baadamcac vtingkhangch6ngla'pleDnhau,va chungphilkin khanggianband6,vi v~y thuCfng1achunglamtangs6vilngleD.mnh2-6,dudidayla ke'tquachuy~ntU IDahlnhspaghettid hlnh2-4,sangmahlnhtopology.Tli 3vungA,B,C tangleD thanh7vungA,B,C,D,E,F,Gvachungphilkinl\hanggianband6. 2 10 1114 12 13 1 "4 Hinh 2-6: ChUY~llllt mo hlnh spaghettiahlnh2-4sangmo hinhtopology. Tll'3vungA,B,Cchuy€nthflnh7vungA,B,C,D,E,F,G Ma hlnhtopologyquailtamde'nnhungthuQctfnhtopologycuacacd6itu(jng khanggiannhilst!k~nhaucuacacvung,st!n6itie'pcuacacxau,vungbellphai, vungbelltraicuamQtxau,...nhungd~cthukhanggiannaykhangbi thayd6ibdi cacphepbie'nd6inhu:di chuy~n,ti l~,quay,...trongkhi tQadQkhanggianva mQts6thQctfnhhlnhhQcnhudi~ntfch,chuvi,811dinhhildngla bi anhhuangbdi cacthayd6inhuv~y. . h Theacachnoi cuaGIS, Kaydl1ngtopologynghlala themca'utnictapatdi cacfile d6hQa,ho~c acfile theomahlnhspaghettivabaadamst!epph~ng.Vi dvID9tband6rheamahlnhspaghetticuacacvungdiidu(jc~o d~dungvdicac ph~nm~mCAD. Cac thuQctfnhTapaco th~duQcthemvao(xaydt!ng)trong m9tGIS, tru'dckhi thl1chi~ncacthaotic co yell c~unhungthuQcHnhkhang gian.SailkhiKaydt!ngcacthuQctinhtapa,st!them,xoa,...cacxaukhangchianh huangde'ntQadQkhanggiancuacacdinh,maconanhhuangtdicacthu9ctfnh tapa. Trang33 I D 6 .15 C7 17 9. E 3 16 B A F 5 18 8 G . Mo hlnhtopologycohi~uquad6ivoi caethaotaecolienquanWithongtin quanh~khonggian.M~ttieueveeuano la phaithtfehi~nnhi~utfnhtoan,va khongchIthvehi~nm9tIftnkhiVaGs6Ii~u,maphaithtfehi~nbittellkhinaGco stfbien~pl~iband6. 2.3.3: CAU TRUC DU LIEU KHe.NG GIAN THEO Me. HINH TOPO LOGY. Cilu truedftli~ukhonggianla sv t5ehllecaedif li~ukhonggiantrongm9t d~ngphuh<jpehotinhtoansO'.Cilutruedif li~ula buoetrunggiangiftamohlnh vafile format. D6i voi roohinhtopologyconhi~ueilutruedifli~utapakhaenhaudu<jed~ xuiltva du<jedung.Stfkhaenhauefingphl}thugevaovi~echungtaxaydvng topoehoehu~nfile d6hQanaG.CaeeilutrUekhaenhauv~chitie't,nhungt5ng quatthichunggi6ngnhaubCiid~uxuiltphattUeilutrUecdbanduQeroota nhu caebangquanh~.Saildayla caebangquanh~bi€u di~neilutruedifli~ukhong giantheomohinhtopologyeuaband6Cihinh2-5. ? A? I ? 2.3.3.1:BANG TOA DO CUA CAC DINH (COORDINATE OF VERTICES TABLE). ? I ? 2.3.3.2:BANG NUT-DINH (NODE-TO-VERTEX TABLE). Trang34 Dinh(Vertex#) X Y I xl yl 2 x2 y2 ... ... ... 21 x21 y21 22 x22 y22 Nut(Node#) Dinh(Vertex#) 1 2 2 6 3 9 4 12 5 17 6 16 7 20 .. A .. 2.3.3.3:BANG XAU-DINH (CHAIN-TO-VERTEX TABLE). Xau(Chain#) Binh(Vertex#) Thli tit(Sequence#) a 2 1 a 3 2 a 4 3 a 5 4 a 6 5 b 6 1 b 7 2 b 8 3 b 9 4 c 12 1 c 11 2 c 10 3 c 9 4 d 2 1 d 1 2 d 13 3 d 12 4 e 2 1 I e 14 2 e 15 3 I e 16 4 f 16 1 f 17 2 0 16 I 1 / '" II g I 6 2 I h 17 1 h 9 I 2 i 12 1 i 19 I 2 i 18 3 i 17 4 J 20 1 J 21 2 J 22 3 j 20 4 .. .. A 2.3.3.4: BANG TOPOLOGY CUA XAU (CHAIN TOPOLOGY TABLE). Xau Nutdu Nutcu<5i Vungtnli (Chain#) (Startnode) (Stopnode) .. .. .. 2.3.3.5:BANG TOPOLOGY CUA VONG (RING TOPOLOGY TABLE). ., ., .. 2.3.3.6:BANG TOPOLOGY CUA VUNG (POLYGON TOPOLOGY TABLE). Yang (Ring#) VA VE VB VC VD VE Thutu' Sequence#). 1 2 1 1 1 1 Trang36 Yang Thutl! Rin #) Se uence#) VA e 1 VA f 2 VA 1 3 VA d 4 VB a 1 VB g 2 VB e 3 VC b 1 VC h 2 VC f 3 VC g 4 VD 1 1 VD h 2 VD c 3 VE j 1 2.3.4: CAU TRUC oil LIEU CHG CSDL BAN DO DIA CHINH. Trangd~tai nay,xufftphattU file d6 hQaDON va dva tren IDOhinh topology,xindttaraIDQtcffutrucdfi'li~uchoCSDLband6djachinhtheocacIDO tagall. 2.3.4.1:CADTRue DULIEU CUA NUT(NODE). Cffutrucd6ittt<;Jngki€u nodenhttgall: Typedefstruct { int idnut; doublex,y; int soxau; intdsxau[MAXXA UTAINUT]; }Nut; /* s6nh~ndi~ncuanut*/ /* TQadQcuanut*/ /* s6 xaut(;linut*/ /* Danhsachchis6cacxaut(;linut*/ File hill tn1'cacnutla file ki€u nhiphan,lttutrfi'tu~nt1.).'cacmill tinco dQ daic6dinh,moimill tinla mQtnut. 2.3.4.2:CAUTRUCDULIEU CUAxAU (CHAIN). Thong tin v€ vi tri khonggian cua cac xau la dttQc100trongfile d6 hQa DON. Thongtin thuQctinhva thongtin topologycuacac xau se dttQc100trong mQtfile d(;lngbang(DBF). Cffutrucfile DBF nhttgall: Trang37 Tn c{)t Kiu dii'liu D{)diii Giai thich (Fieldname) (TVDe) (Lene:th) IDXAU Numeric 10 ChI sa lien ketvdi ph<1ntti'd6 hQaxau(trong file DGN),dangthdicfingIa sanhn din cua xau. IDNUTDAU Numeric 10 sa nhn din cuanutd<1uxau. IDNUTCUOI Numeric 10 sa nhn din cua nutcuaixau. IDVUNGTRAI Numeric 10 sa nhn din cuavungbelltraixau. IDVUNGPHAI Numeric 10 sa nhn din cuavungbellphiiixau. KIEU Numeric 3 Mil phanloi caekiu xau. DODAI Numeric 10 DQdaicuaxau. 2.3.4.3:CAUTRueDULIEU CUAvUNG(POLYGON). Dt;lidi~nchom6ivungtrongfile d5hQaDON Ia m9td6itlt<Jngdi~m(trong file DONHim9tCell),dl!<Jcd~tt;limm(centroid)cuavung.Chungtat6chucIttu tn1cacthongtinthu9ctlnhvatopologycuavungtrenhaifilenhugall: Thu nhlt Ia m9tfile dt;lngbang(DBF) chuacacthongtin thu9ctinhcua vungmftm6ihangseketn6ivdicentroidcuam9tvung,m\lcdfchdungm9tfile DBF d daynhAmthu~nti~nchovi~cketn6ivdiCSDLh5sodiachlnh.Sailday 1ftclu trUccuafile. Thuhai1ftm9tfilenhiphand~hill tn1cacthu9ctfnhtopologycuavung,day la file tuftntlf cacmffutin c6 chi€u dfti thayd6i,m6i mffutin la thu9ctlnh topologycuam9tvung.clu trucd6itl!<Jngki~uvlingnhl!gall: Typedefstruct { intidvung; doublexmin,ymin; doublexmax,ymax; intsoxau; int*dsxau; }Vung; /* s6 nh~ndi~ncuavung*/ /* Gidiht;lntQad9dudi*/ /* Gidiht;lntQad9tren*/ /* s6 xaubaovung*/ /* Danhsachchis6cacxaubaovung*/ Trang38 TencQt Kiiu dftIiu DC)dai Gblithich (Fieldname) (Type) (Len2th) IDVUNG Numeric 10 Chi s6 lien ket vdi phftnta d5 hQacell (trog file DGN), d6ng thai cling 1fts6 nhn din cuavun. SOMBD Char 8 s6 hiu manhband6diachlnh. SOTHUA Char 8 s6 hiu thaa danhtheotUngmanhBD dia chlnh. (SOMBD+SOTHUA) 1ftkh6a I ketn6ivdiCSDLh5sodiachinh. DIENTICH NI1meric 152 Din tichcuatlula., CHUVI Numeric 15,2 Chuvi cuathaa. KIEU Numeric 3 Mil phanloaicackiu vung. ffinh 2-7._.agQP. thii'abigQP daea'p OK glay CNQSDDl QUYTAC3. OUY TAC 4. , Cd sadfi'li~u H6 sddlaehinh Biene6vao -Yell cc1u ea'pgia'y CNQSDD chothii'amdi gQP. M6 hlnhquanni~mxli ly Ngay:10/05/99 Quyt~e4:Ca'pgia'yCNQSDDehothliamoigQP. Dli li~uvao M6ta Dli li~ufa Bien e6fa THUADAT CHUSD LOAIDA T QUYENSD DANGKYSD HANGDAT MANHBD XA HUYEN TINH .J DOITUONG -Gia'y CNQSDD euathliamdi gQP. C~pnh~tSOGCN. In gia'yCNQSDD. DANGKYSD (C~pnh~t SOGCN). - - Trang89 Cd sadfi'liu M6 hlnhquannim xli ly Ngay: 10/05/99 H6 sddjaehinh Quy Hie3: Dangky QSDD ehothliamoigQP. Bien e6vao Dfi'liu vao M6ta Dii'liu fa Bien e6fa -Yell ec1u THUADAT - ThemmQthangmoi DANGKYSD -Thliada't dangky CHUSD trongbang (Themhang gQPdffdang QSDDeho LOAIDAT DANGKYSD d dang moi,ehothlia kymaehu'a thliamoigQP. QUYENSD ky ehothliamdigQP. gQP). -t" .-t" cap glay DANGKYSD - Khi dangkyehothlia CNQSDD. gQPtlmehuslidl]ngtit CHUSD bangCHUSD,neuehu (Themehu ehu'at6n i tfongbang moi,neuehu CHUSDthlb6sungehu ehu'at6nt<;ti). moi. - Khi dangkyxaedjnhf6 MADON,MACHU, MALD, MAQSD, DIENTICHSD, THOIHAN,NGAYDK 3.5.4:Me)HIND xu LV TACH THUA. 3.5.4.1:MO HiNH. MOl TRV<JNG H$ THONG XU L Y TACH THtfA Yeu du tachthti'a 1.Chuyln thti'abi tach sangthti'acii !Dl Dl: Thti'abi tach IA dii cap gi{y CNQSDDE>l 2. Thlfc hi~n tach thti'a THUADAT BIENDONG Dl !al THUADAT CHUSD LOAIDAT QUYENSD 3.Dang leYQSDD cho cac thti'amdi tach Gia"ychUngn~n QSDD Trang 90 THUADAT IIENDONG Dl: Thti'abi tach Ja Ita cl"pgilfy CNQSDD CHUSD DANGKYSD DANGKYSD MOl TRVC1NG ThOngbaothti'abi tach Thong baogi{y CNQSDD cuathti'abi tachkhongcon hi~u life Thong bao cacthli'a mdi tach 3.5.4.2:MOTA OUYTAC xiI LV TACH THUA. QUYTAC 1. .. CdSadirli~u Mo hiOOquailni~mxii'1:9 Ngay:10/05/99 H6 sddiachinh Quy~c 1:Chuy€nthii'abi tachsangthii'acu. Bie'nc6 VaG I Dir li~uVaG I Mota I Dirli~ura I Bie'nc6ra -Yell du tachthtta. Chuy€nthii'ac5ntach sangthii'acu(c~pnh~t MABDDI =MABD) THUADAT (C~pnh~t MABDD.I). THUADAT - QUY TAC 2. - Thongbaa QSDDcua cacthii'abi tachmat hi~uh!c(ne'u thii'abi tach dacapgiay CNQSDD) -Thongbaa thttabi tach (ne'uthii'abi tachchua K 'K capglay CNQSDD). Trang91 Cd setdt1liu Mo hiOOquailnim xii'19 Ngay:10105/99 H6 s6diachinh Quytc 2:Tachthtta. Bie'nc6VaG Dirliu VaG Mota Dirliu ra Bie'nc6ra - Yell du THUADAT - ThemVaGblmgTHUADAT THUADAT -Thong tachthtta. BIENDONG cacthii'amdidu<Jctach,co (Themm6i baada t6ngDIENTICH cuacac hangmOl tachthii'a- thii'anaybng DIENTICH tUdngung (ne'uthii'a cuathii'abi tach,dt chamQthii'a bi tach MABDDEN =MABD,cac mditach). chtfa dU<;1c SOTHUA du<Jccling cap tit' K 'K capglay CSDL band6diachinh. BIENDONG CNQSDD) - ThemVaGbang (Them1 - Yell du BIENDONGmQthangmal, hangmal, dangk9 ghilaiMABD, NGAYBD, ghi1:;libie'n QSDDeha MOTABD. Nola m6ilien dQng). cacthii'a ) ke'tcuathii'abi tachvdicac mditach thii'amOltach. (ne'uthii'a bi tachda K 'K eapglay CNQSDD) QUY TAC 3. OUYTAC 4. , Co sadftli~u Hd sodiachinh Bie'nc6vao - Caethaa moitachda dangky QSDDchCi K .K capglay CNQSDD. Mo hinhquanni~mxii'1y Ngay:10105/99 Quyta:c4:Ca'pgia'yCNQSDDchocaethii'amoitach. Dftli~uvao Mota Bie'nc6raDftli~ura THUADAT CHUSD LOAIDAT QUYENSD DANGKYSD HANGDAT MANHBD XA HUYEN TINH DOITU9NG -Cac gia'y' CNQSDD chocaethii'a moitach. C~pnh~tSaGeN. Ingia'yCNQSDD. DANGKYSD (C~pnh~ts6 gia'ychli'ng nh~nQSDD). - - .. Trang92 Co sadftliu Mo hlnhquannim xa1y Ngay:10105/99 Hd sodiachinh QuylAc3:Dangky QSDDchocaethaamoitach. Bie'nc6vao Dftliu vao Mota Dftliu ra Bie'nc6ra -Yell cu THUADAT - M6i thaamditachdu<Jc DANGKYSD - Cacthaa dangky CHUSD dangky othanhmQt (ThemmQt moitachda QSDDcho LOAIDAT hangtrongbang hangtUong dangky caethii'amoi QUYENSD DANGKYSD. li'ngvoim6i QSDDchCi tach. DANGKYSD Khi dangky tlmchusa thii'adangky). K .K- capglay dng titbangCHUSD, CNQSDD. ne'uchuchttatan i CHUSD trongbangCHUSDthi (Themchu - b6sungchumoi. moi,ne'uchii - Khi dangky xac dinhra chttat6nti). MADON,MACHU, MALD, MAQSD, DIENTICHSD, THOIHAN, NGA YDK Chlldng.4 CSDLTICH Hap VE DIA CHINH. . Tomtiit: TrangchuClngnaythT!Chi~nkit mJi cackit quaail thT!Chi~na chLtClng2v€ phanh~CSDLbana8alachinkvachuang3v€ phanh~CSDLh8S(J alachink,at tgothankCSDLtickh(Jpchocongtdcalachink. Mo hlnhCSDL band6diachfnhdadu(jcthao1u~ntrongchuang2,vadu(jc th~hi~ntrongkink2-7.Khicai d?t (j mucv~t 1y,docacband6dia chinhdu(jc qUail19theocacdonvi hanhchlnh,C\lth~m6ixa g6mmQts6to band6 dia chfnhdu(jcdanhtheos6thtttl!,mQttCfband6diachinhluonthuQcmOtxiI duy nha't.Vi v~ymQtband6d!achinhdu(jccaid~tg6mcacfilenhu'san: 1. DChhxxtt.DGN:file d6hQaDGN hiuthongtinvi trikhonggiancuacacd6i t11(jng. 2. Nhhxxtt.NUT:filenhiphan100tn1thongtinquailh~khonggiancuacacnut. 3. Xhhxxtt.DBF:file bangDBF 100thongtin quailh~khonggianva thongtin d~cHnhcuacacxau. 4. Vhhxxtt.VNG:file nhi phan100thongtin quailh~khonggiancuacacd6i ttfc1ngmug. 5. Vhhxxtt.DBF:filebangDBF 1u'uthongtind~cHnhcuacacvung. Trongd6la s6thtttl!cuaband6diachinhtrongxiI.la mahuy~n, la maxiI. M6 hlnhCSDL h6 sodiachinhdadu(jcthaolu~ntrongchuang3,va du(jC th~hi~ntronghinh3-2.Khi caid~t(jmucv~t1ybaag6mcact~ptin: 1. DOlTUONG.DBF:daubm\lccacd6it11(jngsd'd1;1ngda't. 2. HANGDAT.DBF:daubm\lCcach(;lngd!t. 3. QUYENSD.DBF:daubm\lccaclo(;liquy~nsad\lngda't. 4. LOAIDAT.DBF: daubm\lccaclo(;lida't. 5. XA.DBF: daubm\lCcacxiI. 6. HUYEN.DBF:daqpm\lccachuy~n. 7. TINH.DBF:daubm\lccactinh. 8. CHUSD.DBF:daubm\lcchusad\lngda't. 9. TxxxxxxX.DBF(xxxxxxx:matinh,huy~n,xiI):cacthd'ada't. 10.Dxxxxxxx.DBF(xxxxxxx:matinh,huy~n,xiI):cacsl!dangkg. Trang93 11.Bxxxxxxx.DBF(xxxxxxx:matinh,huy~n,xa):caebie'nde)ng. 12.Mxxxxxxx.DBF(xxxxxxx:matinh,huy~n,xa):caemanhband5. MQi ehucnangtUph&nh~quanly band5 diaehfnhmu6ntroyxua'tcae thongtinthue)ctinheuathii'ase dungSOMBD+SOTHUAla kh6ad~troyxua't quaCSDLh5sodiaehfnh. Chungtac6 mo hinht6 ehuedt1li~ucuatoanbe)h~th6ngthongtin dia chinhdhlnh4-1dudid&y. -) Trang94 I FILEDGN I I FILE DBF ('IT do) I FILEDGN Thongtind6hQa d~idi~nvilng Chi scSlienke't (IDVUNG) SOMBO SOTHUA I Fll.R DBF ('IT vim!!) I OIENTICH I COOVI I KIEV I BIENDONG MABD LaAlBD NGAYBD " M!<JJL'illD THUADAT MATHUA #SOMBO ~A}ID #M;A;."'>I;A ~'IT IIMABOOEN IIMABDDl SGfHUA DIENTICH MOTA MANHBD SOMBD TENMBD HANGDAT MAlID TENHD MUCf HMAVA XA MAXA #MAHUYEN TENXA An()N QUYENSD MAOSD TENQSD HMA()"n DANGKYSD MJillQM IlMACHU IlMAQSD #MALD NGAYDK DIENTICHSD SOGCN TIlOIHAN QUATRINHSD HMAmTYFN HUYEN MAHUYEN #MATlNH TENHUYEN HMATINH LOAIDAT MALD KYHIEU TENLD CHUSD MAQIY IMADT HorEN OIAan HOI'ENVC SOCMND TINH MATlNH TENTlNH .,;", AnT DOITUONG MADT TENDT Hlnh4-1:MO HlNH TO CHUC DU LI~U CUA ~ THONGTHONGTIN BJA CHfNH Trang95 Thongtind6hqa --. IDXAU ID ID ID ID KIEV 00 cuaxau NUTDAV NUTCUOI VUNGTRAI VUNGPHAI OAI Chi s6lienke't (IDXAU) j I FILENUT I, IFILE VUNGI - IDNUf IDVUNG X,Y XMIN,YMIN SOXAU XMAX,YMAX IDXAU 1 SOXAU .--- IDXAU 1 IDXAU n I ...... IDXAUn Chu"d!l,V5 CA.ID! T THU NGHItM H£ THONG THONG TIN BfA LYPHVC Vt) CONGTAC DJACHINH 5.1:aIDI THIED. H~ th6ngthong tin dia 19(GIS) nay d1idu<;1ccai d~tva dang ch~ythll' nghi~mt~iSd E>iaChinhTinh Kien Giang.Buocd~uapd1;lngvoi s6li~u th1;icte' d1ithudu<;1cke'tquakhaquantrongcongtacdiachinh. H~ th6ngdu<;1cdli d~t chia lam hai phanh~:phanh~quan19ban d6 dia chinhva phanh~quan19h6 sddiachinh. .~.~.l~.J..L~~J.u1.!;...~.£~N.~.J~~~J..A...r..HA.N...U.£.._Q.EJ..~...L.t..~l~.N.J!..6...J.~I-.1! ~J.i!S.~t~ . T1;idQngtIm16i,sll'a16i,lams~chso'li~u,chuffnhoacacd6i tU<;1ngd6 hQa,dechuffnbi chov~cxay d1;ingtopology,t~onenband6diachinh. . N~nband6 (ne'unh~pcacban d6 d1idu<;1ct~okhongcling trenmQth~ th6ngtQadQ). .. . T~oTopologydexayd1;ingthongtinv€ quanh~khonggiancuacacd6i tu'<;1ngtrenband6,la cdsdcuavi~ct~oracacthll'atrenband6diachinh. e T~obandbiliachinhtHban0&g6c,[<;10!<hungchoband6djachinh. . E>anhso'thuavatinhdi~nticht1!dQngcuacacthua. . . T~oband6chud€ tUcacvlings6li~utrongCSDLh6sddiachinh. . Va"ndapcacthongtinquaband6ho~cthuQctinh. . E>~tcaclo~inh1inthll'atUcacviings6li~utrongCSDLh6sddiachinh. . Cac chucnangxu 19lien ke'tdii'li~ugiii'aCSDL band6 diachi~ va CSDL h6 sddiachinh.. .. . T~oh6 sd ky thu~tthua,trich11;lcua thll'a,gia'ychungnh~nquy€n sll' d1;lng . ~.~J...~.g.L.~!:!.Jl~-~.~~l'I.!!...{~.!1.£~.J~1~!1NlIt QJI IN ~t_.H.~~.~_I!k\._(:"UjJ~II!. . Ke'tn6ithongtinvoiCSDL band6diachinh. . Xu 19thongtinthuQctinhchotUngthuada"t. . Th1;ichi~ndangk9chusll'd1;lngchocacthuada"t. . Theod6iqua¥tnhbie'ndQngcuacacthuadat. . Th6ngke da"tdai theocacchi tieD. . In racaclo~is5sach,m§ubienv€ quan19da"tdai. Trang96 5.2:SODO2UI TRiNH XU Lt. BAN DO DJA HlNH TAO TU CACPHAM MEM KHAc T~O MOl BAN DO DJA CHlNH TU MICROSTATION - s6 bOatii'bansabOa. - sa bOaquaanhquet. I PHAN~ HOSODIACHfNHI I " A I BO SUNGTHONG TIN THUOCTfNH BANDAU. PHAN ~ BAN DO DIA CHfNH ..-.. Dung TI1DONGTIM VA SUA CAC.. " LOI D'ANG KY CHU SU DQNG DA T. SUA LOI THEO CO DANH DAU TIM KIEM, H$U CHiNH. T~O TOPOLOGY - T~ovUng. - Danhs6thti'a~ dQng. - Tinbdi~ntich,chuvi. CHUYEN QUYEN SU DVNG DA T. HIEU CHiNH THUOC TlNH . BANDAU' KETNOIGIDACSDL BAN DO DIA CHlNH V A CSDL HO Sd DTA CHlNH CHUYEN MUC DICH. .,.! su DQNGDAT. VE NHAN THUA TU THONG TIN THUQC TlNH GQP THUA. T~OHO SdTHUADAT -H6sdkythu~t. - Trichl~c. - Gia'ychungnMn. TAcH THUA. .;}\ T~O BAN DO CHU DE TU THONG TIN THUQC TlNH BAo CAD VA sO Sf,.CH DTA CHlNH. Hinh5-1:sd BOQUITRINHxii LY CUAGISPffiJCVV CONGTAc BJA CHfNH. Trang97 5.3:PHAN HE QUAN Lt BAN DO DfA CHfNH. .~.~.~.~1!..~lf!.!_T..R.!l(!N.~~ Moi Wongd6hQasitdl;mg1amoiWongMicroStationcuacongtyBenley. Ngon nguduQcdungd€ phclttri€n cacchilcnangcuaphanht$nay1aMDL (MicrostationDevelopmentLanguage).MD~ sit dvngngonngu l~ptrlnhC chufin.Tit ca chudngtrlnhngu6nC dSuco gia t:ritrongMDL. Ngoaira MDL clingcip themmQtthuvit$ncachamb5 sungchothuvi~nhamcuaC. Cac chudngtrlnhngu6nvie"tb~ngMDL duQcbiendichracact~ptinapdvng(.ma) thihanhtrongmoiWongd6hQaMicroStation. A 1< ~ w , 5..~.;~.~.~.L. ~H).T... 5 ~J..(:.J II 1.!.~..]XA N !!_.~~.H!NJ L. '>;:: , 5.3.2.1:CHON BAN DO 1-)11\CHINH. M6i band6diachlnhduQcdanhs6thilh;ltheoddnvi hanhchlnhcuano la xa, va chithuQcmQtddnvi hanhchinhxa duynhit.M6i ddnvi hanhchlnhxa duQcchiathanhnhiSuband6diachlnh.ChilcnangnaychophepchQnmQtban d6diachinh,theoddnvi hanhchlnhxacuano (danhmvccacddnvi hanhchinh duQcxaydlfngvac~pnh~tUphanht$h6sddiachinh). Hinh5-2:HQPtho~ichQnband6diachlnh. Trang98 5.3.2.2:111DONG1iM vA SUALeU. Cac phu'dngphaps6hoaband6 theokhuond;~mgvectornhu':s6hoaband6 gia"ytUbans6hoa(digitizer),s6hoatUanhratersankhi du'Qcquetvaoquamay quet(scanner),...d~uphatsinhra s61u'Qngdiem,do<;lnth~ngnhi~uhdns61u'Qng cffn thie't,ciing nhu'con nhi~u16iphai sU'atrttackhi co the xay d\!,ngtopology. Chung lam ch~mmQiquatrInhxU'1y,giamt6c dQbien thj ban d6, tangdung 1u'QngbQnhade 100trU,va co the t<;lOra cac16ikhi xay d\!,ngtopologychocac d6i tu'Qngvilng,...VI v~ychilcDangnay ra"tquaDtrQngva ra"tcffnthie'tde lO<;libo cac thongtin du'thuava lam s<;lchs6 li<$ucuacackh6i dli li<$usankhi s6 hoa 0 d<;lngsdkhai.ChilcDangco thethvchi<$ncaccongv<$clams<;lchduli<$usan: . Chu§'nhoadem6iphffnttYd6hQatrongfile DGN th\!'cs\!'1amQtxau. Th\!,chi<$nepph~ng(planarenforcement). Hi<$uchinhgiaodiemvu'Qt(over-shooting). Hi<$uchinhgiaodiemh\lt (under-shooting). Xoa bo cacdiemhaydu'ongtrUngMall. Lo<;libo diemdu'thua,d6i tu'Qngdu'thua. . . . . . Hlnh 5-3:Tv dQngtlmva sll'a16icuaband6. .. Trang99 Truockhi tht;tchic$ntlmva slia16ichungtac§nphiHkhaibaacacthams6 slia16itheohQptho~isan: Hlnh 5-4:HQPthoC}ikhaibaathams6sual~i. Bay la chilcDangtlmva suanhiSuloC}il6i khacnhau,ngu'oidungsechQn caclo~il6i c§ntlmva tt,tdQngsua,ho~ctlmva danhda'uvi tri sai.Sandayla mQtvaidh~m otacachdungchilcDangnay: . File band6DON du'9cchiathanh63lop (level),taco thechQncac'lOp chilanhungd6itu'9ngc§nsua16ib~ngcachVaGdungsaicholopc§nxli ly. Lop naGcodungsaiamla khongxu ly. Caclopkhacnhaucotheco dungsaikhacnhau.Cacd6itu'9ngtrennhunglopkhacnhaucothexu ly riengbic$t,nhu'caclopband6dQcl~p(khitachQncheckbox:[x]Tung level),ho~ccothexu ly coinhu'cuachungmQtlopband6(khitakhong chQncheckbox:[ ] Tunglevel). . Cacd6itu'9ngtrtingnhausedu'9cxoabot.Cachxacdinhtrtingnhautheo haiphu'dngphapIt;tachQn:Thil nha'tla trtingtheovi tn, tilc la chi xet thongtinvi tri cuacacph§ntIT.Thli hai la trtingtheothuQctinh,tilc la vitatrtingtheovi trivuatrtingtheothongtinthuQctinhcuacacph§ntIT. . Khi chQncheckbox: [x] Sua16iOver-shootsva Under-Shoots:thlcac giaodiemvU9tvagiaodiemhl;ltcodQhdnhahdndungsaisedu'9cdong Trang100 kin. NguQcl~ine'udQha Ion hdndungsai, thl cacdguroutt1;ldo co the chod~tmQtco de danhda'u(co la mQtky t1;l,d~tt~imQtlop mych<;m). . Khi ch<;mcheckbox:[x]Be caclinest~ogiaodiemcuachung:nghiala ta chQnt1;ldQngepphAng.Ne'ukhongmu6nth\!'chi~nep phAngthltaco the chod~tmQtco dedanhda'uch6c~tnhaucuacaclines. . Khi chQncheckbox:[x]Xoa cacphgnhi'nhohdndungsai:nghiala ta chQnxoacaclinescokichthuocbehdndungsainhanvoiH~s6Dangle. Ne'ukhongmu6nth\!'chi~nxoacacphgnhi'naythltacothechod~tmQt codedanhda'uchung. . H~s6Filter,duQcdungde.xacdinhcacdiemduthuacgnlo~ibooMQt diemladuthuane'ukhoangcachtITnoWido~nn6ihaidiemhaibellno, nhohdndungsainhanvoiH~s6Filter. :! -----------... \ A />\ . /\ :; .. ..;;.;.;.;.;.;.; ;.;.;.;.;.;.;.;.;.;.;.;.;.;.:.;.;.;.;.;.;.;.;.;.;.: ., Hlnh5-5:Ke'tquasailkhith\!,chi~nOmvasib 16icuaband6hlnh5-3. !IIII :;:"::,,,. ~11! @j: i~it : :li::: iN; It; m:! ~IIi ::::::::: t!!!~;:.:.:.;.. ::,:::: if !I' I~i: .: ? ~ 5.3.2.3:NAN BAN DO. Chlicnangdungden~n,chuyencacd6i tUQngband6tITmQth~th6ngtQa dQkhacsangh~th6ngtQadQcuafile band6hi~nt~ithongquacacphepn~n Projectivevoi cace(tpdiemtQadQkh6ngche'.Haymafileband6chliacacd6i tUQngcgnn~nthanhfile thamkhaocuafileband6hi~nt~i.Ch<?nb6nc~pdiem tUdnglinggiuafile thamchie'uva file band6hi~nt~i.N€u chicgnchuyenmQt vungchITkhongphai toanbQban d6 hay dungfencede do la'yvungcgn Trang101 chuySn.Sando th1!chi~nnAnband6 thlcacd6i tu'9ngsedU9CnAnva d~atITfile thamchienvaofile band6hi~ntC;li. Hinh 5-6:HQPthoC;linAnband6. ?;: , 5.3.2.4:'£1\0KHUNG BAN DO DIA CHINH. Chilcnangd~tmQtkhungband6 diachlnhtheom§uquictinh,lenband6 g6cdS xacdinhband6diachinh.Khi chQnmQtdiSmba:tky trenband6 g6c chilcnangt:1!dQngxacdinhdU9CtQadQkhungcuamanhband6diachlnhchila diSmdo,d1!atrencacthamso'ti l~,phudngphapva nguyentAcchiamanhqui dinhtrongquiphC;lm. ,,' Hinh 5-7:HQPthoC;litC;lokhungband6dia..chinh. Trang102 5.3.2.5:xAY DUNGTOPOLOGY. Bay la chucnangquantrQngnha"ttrongvi~cxaydt;ingband6diachlnh.N6 thvchi~nvadambaathvchi~ndungvi~ct:;\onencacthuatitcacc:;\nhthuada c6.Kay dljngtopologyladffuvaochocacchucnangkhacnhu:tt;idQngtinhdi~n tich,tt;idQngdanhs6thua,ke'tn6ivoiCSDL h6sddiachinh,t:;\oh6sdthua,t:;\o band6chude,venhanthua,... Hinh5-8:Kay dt;ingtopologychoband6diachinh. CacdiSmcffnchuykhithvchi~nchucnangnay: Cac d6i tu'Qngthamgia xaydt;ingtopologyc6 thSn~mtrenmQtho~c nhieulopmychQn,thongquavi~ckhaibaotrongmvc:Levelt:;\o. C6 thSt:;\otopologychomQtvungcuaband6thongquamQthangrao, baivi~cchQnmvc:DungFence. C6 thStt;idQngdanhs6thuaquavi~cchQnmvc:TV dQngdanhs6thua. S6 thuaduQtdanhtheoquiph:;\mcuaband6diachinh,khaidffutitmQt s6mychQn. M6i thuadu'Qcd~td:;\idi~nbaimQtdiSm(ph~ntITcell)~i tamcuathll'a. MQithaotacd6ivoicacthuasaunaydeuthongquatamthuacuachung. . . . . Trang103 . Vi~cx6awng (chith11chi~nduQckhiband6khongbikh6a)selamcho cacthongtintopologycuaband6bix6aboo Hlnh5-9:Band6diachinhsankhit:;lOtopology. 5.3.2.6:SUA mDOC TINH mUA SAD KID TOPOLOGY. Cac thuQctinhthii'aduQctl!dQngt:;lokhi xayd11ngtopologyg6m:s5thua, di~ntich,chuvi. Vi nhling1;'dod~cbi~tnaod6cacthuQctinhnaydoi khong roanthuqui ph:;lm,vi v~ycgnhi~uchinhchungtntdckhi k6tn5iban d6 vdi CSDL h6sddiachinh.(chisii'aduQckhiband6khongbikh6a). Hlnh5-10:Sii'athuQctinhthii'asankhi t:;lOtopology. Trang104 SankhimQtband6diachinhda:du'Qcxayd1!ngtopologyhoanchinh.Phan h~h6 sddiachinhseth1!chi~ncongvi~ctie'ptheola ke'tri6iband6diachinh nayvdiCSDL h6sddiachinhcuano.TIt phanh~h6sddiachinhnhungthong tin thuQctinhcuacacthtYatrenband6 se du'Qchoanchinhquacacchucnang nhu':b5sungthongtinthuQctlnhband~u,dangky chustYd~ng,...Be'ndayCSDL diachlnhcuaband6nayda:hoanta"t.Cacchucnangsandayse.khaiiliacCSDL diachlnhnaydSth1!chi~ncacyellc~ucuacongtacdiachinh. 5.3.2.7:XEMmuoc TINHTHifA'IHEOBANDO(GRAPIDC). ChucnangnaydungdSxemtoanbQcacthongtinthuQctinhtUCSDL h6sd diachlnhcuatUngthtYab~ngcachchQntamcuathtYatrenband6. (xemtheo graphic). Hinh5-11:XemthongtinthuQctinhcuathtYatheoband6. <;), 5.3.2.8:TIM THUA TREN BAN DO TIlED lHONG TIN TIlUOC TINH. Chucnangnaychophepxacdinhvi tricuamQtthtYatrenband6diachinh, quavi~cclingcgpmQtgiatrithuQctinhnaododStim,ch~nght;ln hu':s6thtYa,... Trang105 Khi tlmtha'ythua,nodu<jcphongtotrongmQtcuas6riengbi~t,d6ngthaito~m bQthongtinthuQctinhconl~icuathitacunhdu<jcxua'tratronghQptho~i. Hinh 5-12:Tim thii'atrenband6 d1;1'atheoghi t:richotru'occuamQtthuQctinh. 5.3.2.9:TAO NIlAN CHOTHirA Tif THONGTIN muoc TINH. .. Day la chilcnangra'tthuagdungbdi VI no t~ora mQtlop thongtin quan trQngchoband6la nhlingnhandeghichu,gicHthichchocacd6itu'<jngd6hQa trenband6.T~imQtthaidiemkhongthebienthita'tcacacthongtinthuQctinh lenband6du<jc,dov~ychilcnangnaychophepchQn11;1'acac.thuQctinhmong mu6nmythaidiemdebienthitrenband6. M6i nhantrenband6 se la mQtd6i tu'<jngTEXT ho~cTEXT NODE ho~c CELL manQidungcuanola nhungthongtinruttrichti'lCSDL h6sddiachinh, vachungdu<jcd~t~imQtlopthongtinmychQnnaodo. Cac diem c~nc11\1ykhi th1;1'chi~nchilc nang nay: . ChQncacthuQctinhlamnhanti'ldanhsachcacthuQctinh,ne'unhang6m mQtthuQctinhthlm6inhanla mQtph~ntUTEXT, ne'unhang6mnhi~u thuQctinhthlm6inhanl~mQtph~ntii'TEXT NODE... Trang106 . Vi trid~tnhandu<jcxacdinhb~ngvi~ckhaibaocackhmlngcachtUtam thlYad€nvi trid~t. . Xacdinhlopndimacacnhandu<jcd~t. Xacdinhmauthehi~ncuanhan. Nhancothecotieudeho~ckhongcotieudechom6ith~Qctinh. Co theve nhantrentoanband6ho~cchi ve trongmQtvungnao do thongquavi~cl~pmQthangrao,bdivi~cchQnFence. Nhanla cacd6i tu'<jngtextdov~yco thexacdinhnhungthuQctinhthe hi~ncuatext,nhu:font,kichthuocchu,... . . . . . Hlnh 5-13:T?o nhanchocacthlYatUthongtinthuQctinh. ~ ~ " " AI' 5.3.2.10:TAO CAC HO Sf; CUA THUA DAT. Bay IachucnanghtdQngt?Oracacbanh6sdcuatUngthlYadffttheonhung m§:uquidinhcuan~~nhdiachinh. Cach6sdnayph\lcV\lchoquatrlnhdangky quyenslYd\lngdfft,d6ngthai clingla nhunggiffyto xacdinhquyenslYd\lngcuanguaichud6ivoi tUngthlYa dfft. Chucnangnayt?Oracaclo?i h6 sdcuam6i thlYadfftbaog6m: Trang107 . H6 sdky thu~tcuathii'a4fft. Trlch h,lccuathii'adfft. Bien banhi~ntr~ngsii'd\lng. Giffychungnh~n. . . . Hinh5-14:HQPtho~it~ocach6 sdcuathii'cida't. CacdiSmhilly khisii'd\lngchucnangnay. XacdinhIo~ih6sdcuathii'acffnt~o. XacdinhtyI~cuabanvethii'ada't(1trenh6sd. Xacdinhcovenhanghichuchi€u daicuacacc~nhthii'ahaythong. Xacdinhcovenhanghichucacthii'aIanc~nhaythong. XacdinhcovenhanIas6thuh!cuacacdinhthii'ahaythong. Co thSt~oh&)~sdchotUngthii'ab~ngvi~cchQnthii'a,ho~ct~oh6sdcho mQtvlingcacthii'ab~ngvi~cI~phangraoquast!xacdinhfence,cfingco thSin rah6sdchota'tcacacthii'atrenband6. . . . . . . Trang108 1:aS~nGQ,(r: & "ft)""~IIIIoa81186: I'J. 1'IUIN8:"'~'J.1!ii;;U1 ~.I:Hr.,\"",1f6lqJ1_.~,":~'X~, 1¥4N:n:.~':!It. '18,1;JIc:H ,.,*tlr.-r o4!ItIIg8)~D,IHQI:~tt...~,~ . I.lCJtd'1HlMifr ~1II!!~ao .,-" ~-~"~J---'..,-', ".~-,..t"-~- \\ '. l . 1 i \ \ &x" '\ -",,- ~'tII8IIiI8i:~.,_.,-- \ ~, ~.,._."--.-.,.., 1.IUD 161R.t: 'IIdN8. - ~ 1IfUIIO... , , ,..,...,...,...,.", "" ,.".""" , , ,."", ,........................................... '""" " """ "" ,' ".., ,.,." ",,"." , ,",",s.""".",""",",""",,',.,,',",",",",",",,,',..,,,,"",." ".".."",..,.",.."",".,..",,",,,",",",",""",",",",","."' '.'.".'.".".".".".." ".'.",.'.".'.'."...".".'."."."."...".".'.' "",,"...".".,'.'.""",","'",,".,.".'...".,,.".... il H~th~ng)u~J;,bAnjJ~d!a:chinlj':YU,l(F\,tU}{\Q,:: C/:':::i): 1JI!I[iiEi Hlnh5-15:K6t quat~offiQts6lo~ih6 sdcuathii'ada't. Trang109 .... Ie" YIlO tl! OOiRMMlIOO I l.iiW ["!fII:',. »?Dr.1.'UI 5.4:PHAN HE QUAN LY HO SO D1ACHfNH. .5.~::h."l~."~1'<).LT.RJl~!.NJ~.~ Phanh~CSDL h6 sddiachinhdu'Qct6chuctheomohlnhCSDL quanh~. Dfi'li~uh6 sddiachlnhdu'Qclu'utrongfile formatchugnDBF cuaHQTCSDL FoxPro.Ngonngfi'l~ptrlnhFoxProdu'Qcdungd€ phattri€n mQtap dvngcho vi~cquanly cacdfi'li~uveh6sddiachinh. .5.~:1~~.L~l QT...s..6..J~ .u(L(: N.A ~.~.J~UJ.NIL. 5.4.2.1:xAc HINHD(jNVI HANHCHiNH. CSDL h6 sddiachlnhdu'Qct6chuctheoddnvi h~mhchlnhxa,dod6 cffnxac dinhxa tru'ockhi thlJ'chi~ncacxu ly. ,','" ,." "",., ',',',.."', ',',',.',W""..w" C'"W""","" ,'m ,',w,w.,. '..w..w, w.. w ,',w,'",'.'.m ...'.m...'., ",",',w.. w,w"", .',_.,wm...' ""--'-"'"",.' ."'.m.,.'.",.,.'.-.,. ',',w ,."" ..,c, .~,~'.m".'."~",, ~"~""~",~,, ~,,:: "~"'='~",:"c'.'H "e':"'t'. 'h"'c1','n'.'.'g',',', 't'.'h'.'.'0',"'n','g"',','t'.'j'n'.'.'.'h',''0"',','S""'I1'.'.'.'0'.'.',"a chi nh. ...'... .'.'..,'.,'.'.,.',',.',,'i'.."'..'".'. ','""','..'.,'...'..'..'...'.,',,,',.',,'..'.,',.'.,'..'.,'..'..'.,',.'.',,'..'..,'.',,'..'.'.'.','.,'.'.,'..'.,'..'..'.i> i'i'.'.'. .""'..""'."..'.".,',,', ..'..,'..',,'...'.'. ',' " .'..'.""",",'.'.',.',.'.,','..'..',.'...',,' .,'..,','."..,'..',,'..',.',.'.,' ..'..',",'.,'...",',," """",'~',',',",',',$"c:,:,",:,:,:':"':,,"':~:""""~"':':'"~:':'"'"':"":""":',',',"",':->:':':',':':':',.:,:"":",:"",:,:,:",:,:,:,:,:"",""""""",,,""""",.','",',c,','",c,',',c,',','",',',',',',','~',',',',',',',',',',',',w,','.',',',',',' ,',',',',',',',',',',',',',',',",'n,',',',',',',',',',',w,',',',"","'""",.."".",.., 11 II i!1- !~il~il!}1~[il~[[l\1[~ii1~i~itiiit\\~![j[Jilitl\~~1~ ffinh 5-16:ChQnddnvi h~mhchlnh. , K A' .. ~ , 5.4.2.2:OUETso l,IE{¥rUCSIH.JBANno BrACHlli}1 M6i band6 diachinhsankhi daxaydlJ'ngtopologytUC~DLband6 dia chinh,sedu'QcquetsangCSDLh6sddiachlnhd€ xaly. CacthuQctinhcuathii'a du'Qcxacdinhkhiquetg6m:ddnvi hanhchinhxa,s6to band6,s6thaa,di~n Trang110 tich.Trangdo t6h<;1p(ddnvi h~mhehinhxa,s6toband6,s6thii'a)set~athanh khoakStn6igiliaCSDLband6diaehinhvaCSDL h6sddiaehinh. C"""""""""""""""""""""""""""""""""""" ,............................................................................................................................ n If!"" . .:~:1~:~~~~~i.lji~.i~illjlli[iri'lli.;!~lll)~~.;;~~. . .. :lM ft~ltlifii: I, . ! [ Ht m6NG--m6NGmHe)-S"dDa-cRiNu,) . . :1 SO'lieub1,i:P VmhThanh-TxR~chGia-TinhKrenGiang 8i:~HiUh~n. thontinhS sC1 [i1 ~:I Hinh 5-17: Quet s6li~u t:UCSDL ban d6 dia ehinh. Caeva'"ndSe~nehliy euachilenangnay. . . M6i l~nquet,co th€ queteamQtband6ha~emQtnhomthii'atrenban dJ:::a. . NSu day khongphai la l~nquetd~utien d6i VOlto ban d6 thl voi cae thii'adadangky QSDB la khongth€ quetl~i(mu6nquetl~i,phaithve hi~nchilenangbuybodangky QSDB,tntoekhiquetl~i).Voi caethua ehu'adangky QSDBcoth€ quetl~itheacaeIvachQrisail: 0 Xoa ta'"teacaethii'adaqueteu,tntoekhiquetl~i.(thvehi~nkhixoa bohaantaantapaeu,t~al~itapamoteuaband6). 0 C~pnh~,1I~icaethii'adaqueteu,quetthemcaethii'amalnSuco. (thvehi~nkhicosvdiSuehinhtapaeuamQtph~nban'd6). 0 Gilinguyencaethii'adaqueteu,quethemcaethii'amoinSuco.(thve hi~nkhicosvdiSuehinhtapaeuamQtph~nband6). Trang111 Ghi chu:MQtthl1asaukhida:duQcke'tn6igiliaCSDLban d6diachlnhva CSDL h6sddiachinhthltrongphanhc$band6djachlnh,mQithongtinthuQctinh ciiathl1achico thedQCmakhongthesl1ad6i.Chi co thesl1ad6icacthongtin thuQctinhciiathl1atitphanhc$h6sddiachlnh. 5.4.2.3:no SUNGTHONG TIN CHO CAC mirA rvU}IOUItT. Cacthl1adit saukhiqueSt,cffnb6sungthongtinv€ h~~gdit va motathl1a dit, truockhiin raband6diachinh,danhsachthl1adit degoixu6ngcdsothljc hic$nvic$cdangky QSDD. 5.4.2.4:HANGKY OSDHCHOCACTHUA. Bangky QSDDchochiiciiacacthl1adit. Khongphaitit cacacthl1asaukhi dangky QSDBseduQccip gi>iyCNQSDB,chicacthl1adii di€u kic$nmoiduQc cip, co nhlingthl1aduQcpheSpdangky,nhungchuaduQccip, ch~ngh~ndo co tranhchip. :"-" '.','"','""",'.',-""cn.c.'c.c.c..c.,- c.c.c.c.c,.c.",,'w.c,.c,c.c.'~c"".', "".-.",,""~"'c"c,,'c'""h'c."'""c"'c.c.c....-,,"'c,.'c.c.c.c.c..'c.-'.c.c ~c."c,.c. '.u.c. ," ,.,- .w.w.' ,'.','.',.'.',oW.woW ,.'.,w,"". - wn ..,--,','.', I !::::I~llj~ll1~,@ It::I]I;;:j:!rn.jl~~jj:j;:1.1!.;1:j:B!i::!!iJ!j!iii:I!:j:!Iil!liij!::!:!j:j:;~~;1::j:j:::::;j:::::::j:j::::::~I[!:::j:::j:::j:j!:::::!;:::!!!:j:j:::;;j::::::::!!:~:~~;~!:i;jji;;~1:ri:;: :il ~ "" ~. A' '. , ,. :: lIE THONG nIONG TIl\I DO SO DIA. CIIINH ~I . s~ ~. pv:~.Thanh-~x~~Gii .T~ Kre;Gmng '"" ", " ",."",., ", "" ",fi.JI1!.,!I..~.'!.~Yn.~:.A~~I.~:".[J.~.~~~..~.~.n.:..q.!l.,:\~..~r.!..., , " '......... .1ngihoflgtinh&sdd!aHChinh " BOOI 1m " ~'fii;~!'-ij'qoy~n'~',fdy'~g-~f~t-jE-$t-Eih~~ti'-:'-:'" '-:.: ::: : :--:---:---:'., '--" c .:\ (@mJ " ,i II :; II 11~,u,. ~t!!:::/. Ui -~, i~i~"~1~~11~i;II.'.l.II:ii*j:~i~!iml~~.~:~_fJ!!*1[ili~1;j[if;Tiilli1~:iif~~~1\li~:[i;!:;~I~1~~~il~1;;:!il;jtfit~f£I:;.;~~;;If~~1 Hinh5-18:Dangky quy€nsl1d\lngdit. Cacdiemcffnchuy d6ivoichlicnangnay: Trang112 . Xac dinhchusii'd~ngtitdanhm~cchu,ne'uchuchl1ac6trongdanhm~c thlthemchumoivaodanhm~cchu.M6i chucffnxacdinhlo~id6itUQng cuachu,vamachu,machudl1QcxaydvngtVdQngtittenchiinhl1san: 0 Voi d6i tUQngca nhan,hQgiadlnhthlmachudl1Qct~otit tenchu b~ngcachIffychii'cai dffucuaten,ke'tie'pla cac chii'cai dffucuahQ va chii'16t,sancling la sO'thu tV,trQngsO'nhii'ngchuma ma c6 cling phffndffu. 0 Voi d6i tUQngcdquan,t~pth€ th1machudl1Qct~otit tencdquan,t~p th€ b~ngcach,dffutienla da'ucha'm(.),ke'tie'pla cacchii'cai dffucua ten,sanclingla s6thu tV,trongsO'nhii'ngcd quan,t~pth€ mama c6 clingphffnd~u. Xac dinhdi~ntichdl1Qcsii'd~ng(c6th€ nhohdndi~ntichcuathii'a). Xac dinhlo~idffttitdanhm~clo~ida't(xacdinhlo~.ida'tclingla xac dinh m~cdichsii'd~ngcuathii'a). Xac dinh quy€n sii'd~ngtit danhm~cquy€n sii'd~ng(chinhthuc,t~m thai,tranhcha'p,...). Xac dinhthaih~nsii'dl)ng. . . . . Hinh5-19:Themchusii'd~ngmoivaodanhm~c hu. Trang113 ... ,.., A ? 5.4.2.5:TIM KIEM. HIED CHJNH. C6 theHmkie'm,ruttriehthongtin ehQnnao. v6 caethii'atheobfftell di6uki~nmy Trang114 5.4.2.6:CHDYENOUYENsit DUNGeAT. CHUYENMUCetcH sit DUNG. Bien dQngx§:yra nhi€u nha'teua CSDL h6 sd dia ehinh,la vi~eehuy8n quy€n sltd\lngda'ttUehuell sangehumdi.H~thangco ehuenangxlt 1'9caebien dQngbaadamhill tn1'JiehslteuamQithltada't. I Hinh5-21:ChuySnquy€n sltd\lngda't. , , ,Q "Q, A' A A' 5.4.2.7:IN CAC BAO BlED VA SOSACHTHONG KE DATDAI. Chuenangph\leV\lin a'nta'teacaebaabiSuva s6saehthangke da't.dai theocaem~ubiSuquidinh. ~EliHEiJ'l:1.1' So dilpgiaychtrngnhi}n S~m!,lcke S~d!achinh Th~ngkedAtdai C I.6mt~t C ~angtrang II! II :~<:3 ~~:m:.~m~*:::~:W~:i~*,::::::::M~:::::~~:::@:i>$"ili1:m:~;*:::@:m:.i:;::illf~~~*i:;1:m::m,~i'j;t,~::::mt::~::i>~:~::&1~*'~~:'1 di! Hinh5-22:In a'nbaabiSuvas6saeh Trang115 C h lIdlll:.Ji ,," " KETLUAN. 6.1:CAC VAN DE DATDUOC. . Phantich,sosanhhaimohlnhcuadii'li~ukhonggiantheokhuondc;mgvector la mohlnhspaghettivamohlnhtopology.B€ xua'tmQtca'utrucdii'li~ukhong gianva file formatchomohlnhtopology.Buarathu~tgi.:livacaid~td6xay - dt!ngtopologychocacd6i tUQngkhonggian. . Bff cai d~tthu nghi~mmQth~th6ngthongtin dia 19phlJc VlJ cong lac dia chinh,d~tduQcmQts6ke"tquasan: 0 Thl;tcst!t~ora ffiQtcongClJtinhQchoachoconglacquan19quy€n sudlJng da'tt~icac Sd Bia Chinh, mQtcong lac ffia khi duQctin hQchoa co ra't nhi€u Utidi6mv€ thaigianxu 19,dQchinhxac,... 0 Cac chilanangquan19h6 sddiachinhd~tke"tquaho~mhao,phlJcVll.ffiQi yeti cguv€ h6 sddiachinhmQtcachnhanhchong,chinhxac,dgyduo 0 MQt sO'chilc nangxii'19ban d6 dia chinhcling d~tke"tqua t6t,nhu kha nangOml6i, sii'al6i, lams~chs6li~uband6,t~othii'a,tinhdi~ntich,danh sO'thii'a,gannhanchothii'a,troytlmthii'atrenband6,t~.ocach6 sdcho tUngthlYadKtMil: h6 sdky thu~thii'a,trichl\lc thii'a,bienbanhi~ntr~ng sIT'cf'[Jngcua:tbd'a,gia'ychli'ngnh~n...Caec6ngClJnay dffGapt1nghguhe"t nhii'ngyeticgucgnkhaithacd6ivdiband6diachinh. , A' ~ ~ , ,!l A 6.2:CAC VAN DE CAN PHAT TRIEN THEM. . Vi~c xay dl;tngtopologycho cac d6i tU<;1ngkhonggian chi nh~mWi cac d6i tUQngcua ban d6 dia chinh,cgnb6 sungcho cac d6i tUQngkhonggian,cua ffiQilo~iband6. Chilc nangxay dl;tngtopologyco t6cde;>con ch~m,cgntiS'p tvccai tie"nvi~ccai d~t. . Cai d~tthii'nghi~mcuah~th6ngthongtindia 19phlJcVlJ conglac dia chinh, con nhii'ngh~nchS'sancgnhoanthi~n: 0 Cac chilcnangcho congtacxii'19band6 dia chinhchua'dgyduoNha'tla phai bd sungcac chilc nangphlJc VlJ vi~csO'hoa ban d6 tITnhi€u ngu6n nh~pkhacMali. 0 Dung giao di~nke"tn6i cd sd dii' li~umd cua Microsoft (ODBC: Open, DatabaseConnecti~ity)d6 co th6dungnhi€u h~quantri CSDL khacnhau ffi~nhhdnchoconglacquan19h6 sddiachinh. Trang116 'A ? l"'AI LIE U THAM KHA 0. [1].Bonham- CarterG.F. GeographicInformationSystemsFor Geoscientist. Pergamon-ElsevierScienceLtd. KidlingtonUK. 1994. [2].LT. Hawryszkiewycz. SystemsAnalysisandDesign. PrenticeHallAustralia.1994. [3].MichaelF. Worboys. Innovationsin GIS. Taylor & FrancisUK. 1994. [4].Michel Leonard. DatabaseDesignTheory. MacmillanEducationLtd. 1992. [5].Peter.VanOosterom. RelativeDataStructurefor GeographicInformationSystem. Oxfo.rdU'I1l1jv~\WPre't.'t..1993. [6].TorBernhardsen. GeographicInformationSystems. VIAK IT andNorwegianMappingAuthority.1992. [7].Le Qu6cHung. MQtphuongphapxayd1!ngquanh?thongtinkhonggiantrongh?thongtindja'ly vectOphancap. Tc;lPchitinhQcvadi~ukhi€n hQcT14,SI (1998)(52-58). [8].BachHungKhang,Ngo QuocTao, PhamNgocKhoi, Do,NangToan. An examinationof techniquesfor rater-to-vectorprocessandimplementation of softwarepackagefor automaticmapdataentry-mapscan. Tc;lPchi tinhQcvadi~ukhi€n hQcT12,S2(1996)(21-29). . [9].Trungtamcongngh~thongtindialy-TruongBc;lihQcky thu~t. Cactq.ptaili?ucuanhilnghQithaov~congngh?GIS. Trongcacnam95,96,97,98,99. Trang117 ._.