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Cho Thy v cc bn
Ngi thc hin: Trn Quc Khi
MSSV: 0768072
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Gii thiu v Geodatabase
GeoDatabase l mt cng ngh c bit c hng ESRIpht minh chuyn dng cho cc h thng thng tin a l.
Cng ngh ny ca ESRI c s ph thuc nht nh vo snphm ca cc hng khc, c bit l MS Visio ca Mircosoft
v cc h qun tr d liu nh l: Oracle, SQL Server, MS
Access.. GeoDatabase h tr phng php phn tch v thitk hng i tng rt mnh v ang pht trin hin nay.
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Cc yu t ca Geodatabase
1. i tng, lp Object2.Tnh nng, lp tnh nng3. Tnh nng datasets4. Xc Nhn Ni quy, Tn min5. Quan h, lp quan h
6. Lin kt khng gian7. Hnh hc mng
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Cc bc thnh lp Geodatabase
1. Xc nh cc thng tin sn phm m bn s to v qun l vi GIS cabn
2. Xc nh ch d liu quan trng da trn yu cu thng tin cabn.
3. Xc nh quy m v phm vi i din khng gian ca tng ch dliu quy m mi.
4. Tch tng i din vo mt hoc nhiu datasets a l.5. Xc nh cu trc c s d liu dng bng v hnh vi i vi cc thuc
tnh m t.6. Xc nh cc hnh vi khng gian v quy tc ton vn cho datasets ca
bn.7. xut mt thit k geodatabase8. Thit k chnh sa quy trnh cng vic v propertieshin th bn .9. Phn cng trch nhim xy dng v duy tr mi lp d liu.10. Xy dng mt mu thit k lm vic v xem xt li v ci tin thit k
ca bn
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1. Xc nh cc thng tin sn phmm bn s to v qun l vi GIS
ca bn
GIS thit k c s d liu ca bn nn phn nh cng tc t chc cabn. Xem xt vic bin dch v duy tr mt hng tn kho ca cc sn
phm bn , cc m hnh phn tch, lp bn cc ng dng Web,d liu dng chy, bo co c s d liu, trch nhim chnh. Danhsch cc ngun d liu m bn hin ang s dng trong cng vic
ny. S dng nhng thit k d liu vo a ca bn cn.
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2. Xc nh ch d liu quantrng da trn yu cu thng
tin ca bn.
Xc nh mt s cc kha cnh chnh ca mi ch d liu. Xc nhnh th no mi dataset s c s dng, chnh sa, m hnhha v phn tch GIS, i din cho quy trnh cng vic ca bn. Xc nh
vic s dng bn , cc ngun d liu, cc khng gian i din chotng t l bn quy nh; tnh chnh xc d liu; lm th no ch
c hin th, nhn vn bn, v ch thch. Hy xem xt lm th no milp bn s c hin th trong mt thi gian thch hp vi cc lp
quan trng khc. i vi m hnh ha v phn tch, xem xt lm th no
thng tin s c s dng vi datasets . iu ny s gip bn xc nhmt s mi quan h khng gian chnh v cc quy tc ton vn d liu.
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3. Xc nh quy m v phm vi i din khnggian ca tng ch d liu quy m mi.
D liu c bin son s dng mt phm vi c th ca bn quy m. Gn i din a l ca bn cho tng t l bn . idin a l thng s thay i gia bn quy m (v d, t vng
vo ng hoc im). Trong nhiu trng hp, bn c th cn tng hp c quan i din tnh nng s dng quy m nh hn.
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4. Tch tng i din vo mt hoc nhiu datasetsa l.
Tnh nng ri rc c m hnh nh cc lp c im ca im,ng v vng. Bn c th xem xt loi d liu tin tin nh topo,mng li, v a hnh m hnh cc mi quan h gia cc yu t
trong mt lp cng nh trn ton datasets.
i vi datasets raster v danh mc c la chn qun l ccdanh mc rt ln.B mt c th c m hnh bng cch s dng cc tnh nng, chng
hn nh ng nt, cng nh rasters s dng v a hnh.
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5. Xc nh cu trc c s d liu dng bng vhnh vi i vi cc thuc tnh m t.
Xc nh cc lnh vc thuc tnh v cc loi ct.Bng cng c th bao gm cc lnh vc thuc tnh,mi quan h, v phn nhm. Xc nh gi tr bt
hp l, thuc tnh phm vi, v phn loi ( s dng
nh cc tn min). S dng phn nhm kimsot hnh vi. Xc nh dng bng mi quan h vcc lin kt cho cc lp mi quan h.
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6. Xc nh cc hnh vi khng gian v quy tcton vn cho datasets ca bn.
i vi cc tnh nng, bn c th thm hnh vi v kh nng cho mts mc ch s dng topo, Locators a ch, mng li, a hnh, vv.V d, topo s dng m hnh hnh hc khng gian ca mi quanh chia s v tin hnh cc quy tc ton vn. S dng Locators
a ch h tr m ha a l. i vi rasters, bn c th quytnh xem bn cn mt b d liu raster hay ca hng ca mt raster.
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7. xut mt thit k geodatabase.
Xc nh tp hp cc yu t geodatabase bn mun trong thit kca bn cho mi ch d liu. Nghin cu thit k hin ti cho
cc tng v phng php tip cn m lm vic
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8. Thit k chnh sa quy trnh cng vic vpropertieshin th bn .
Xc nh cc th tc chnh sa v quy tc ton vn (v d, tt ccc ng ph c chia ni giao nhau vi ng ph khc ).Thit k chnh sa quy trnh cng vic gip bn p ng
nhng quy tc ton vn cho d liu ca bn.Xc nh properties cho hin th bn v s c s dng xc
nh cc lp bn .
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9. Phn cng trch nhim xy dng vduy tr mi lp d liu.
Xc nh xem ai s c phn cng cng vic bo tr d liutrong t chc ca bn hoc giao cho t chc khc. Bn s cn
phi thit k nh th no d liu chuyn i v chuyn i
c s dng nhp v xut d liu t cc t chc i tcca bn.
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10. Xy dng mt mu thit k lm vic v xem xtli v ci tin thit k ca bn
Kim tra mu thit k ca bn. Xy dng mt geodatabase mubn sao ca thit k xut ca bn bng cch s dng mt tptin, c nhn, hoc ArcSDE geodatabase c nhn. Xy dng bn
, chy cc ng dng quan trng, v thc hin cc nhim v bin
tp th nghim cc tin ch ca thit k. Da trn kt qu muthit k ca bn, sa i v ci tin thit k ca bn. Mt khi bnc mt gin lm vic, ti mt tp d liu ln hn (nh np n
vo mt ArcSDE geodatabase) kim tra sn xut, hiu sut, khnng m rng, v quy trnh cng vic qun l d liu. Gii quyt
trn thit k ca bn trc khi bn bt u lu geodatabase cabn