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<i><b>OuaN i^ m 7AIV6 00 WI </b></i>

<i><b>eUNG CdN6 N6UE 30 Gl^ ClTV </b></i>

T

rudc dSy, vi$c
qudn ly h^ t4ng
do thj theo hlnh
<i>thirc truyen thong \k d^ra </i>
v£io bdn ve so do hi§n
tr^ng m$t bfing gdy Ichdng
it Ichd khdn cho cdc nhd
qudn 1;^ b6i hinh dnh dem
Iji dom gidn chi trdn mpt
mjt phing vdi cdc l(hu
chia id, chia thira vd sau
Ichi xdy dung xong Ichdng
khdi mat can bdng, thieu
hdi hoa ctia chieu cao cdc
toa nhd, ctia mat dp, cua
cdc khodng thodng trong
tong the ciia Icien tnic...

Trong nhirng nam qua,
de khac phuc tinh trang
tren, cdc nha qudn Iy Vi?t
Nam thay ddi hinh thirc
qudn ly ha tang dd thi
truyen thdng bang hinh
thtic mdi do la trng dyng
h? thong thong tin dia ly
GIS (Geographic
Informa-tion System) vd dugrc the

hien bdng cac phdn mem
2D nhu: IVlapinfo,
Ar-cGIS... Mac dil hinh thirc
quan ly mdi ndy ciing da
dem I^i hieu qud cho nhd
qudn ly trong vi?c cung
cdp thdng tin theo cdc ldp
dir lieu tit cdu triic dia chit,

<i>dja hinh, thiiy vdn, cho Ski </i>
cdc cdng vi^c cy the nhu
xdc djnh cdc cdng trlnh
ng4m hi^n cd, cdc thdng
tin ve di^n tich, ranh gidi
tga do, thdng tin v^ m^t d0
ddn so.... Tuy nhidn, hinh
thirc qudn ly ndy v5n
khdng du cdc tinh ndng
ddp img doi vdi toe dp dd
th) hda cilng vdi sy bung
nd ciia ddn so vd sy phdt
trien nhanh chdng ve cdng
sd, nhd d, cdc khu cdng
nghidp, khu du ljch, hd
thdng di?n, nudc... gay
khd khan trong vide qudn
Iy tdng the ha tang dd thj
nhu: Cdc ddi tugng ciing
mpt vj tri cd the chdng len
nhau, khd xdc d)nh cdc tda

nhd vugrt qud chieu cao
cho phdp trong khu vyc
xay dyng ndo dd, chi cung
cap dugc thdng tin tten be
mjt dd thi cdn cdc ldp doi
hrgmg ngam chi hidn thj
tupng tnmg chua diing vdi
dp sdu thyc.

Do dd, nhidu phan mem
qudn ly dd thj dupc nghien
ciiu dd thay the GIS 2D.
Mpt trong nhijtig ph4n
men dupc cdc nudc phdt
tridn tren the gidi iimg

dyng r$ng rdi vd thdnh
cdng trong vi^c qudn ly hg
ting dd th) dd Id cdng ngh$
3D GIS City-ddy Id phan
mdm cua hdng Bentley
-My nghidn ciru vd dua vdo
irng dyng thyc te.

Cdng ngh^ 3D GIS City
cd khd ndng cung cap cdc
chirc ndng can thidt cho
vifc qudn I^ dir Ii$u, quy
trinh cdng vi^c ciia ngudi
dung vd cdc qud trlnh lien

quan den h^ tang do thj.
3D GIS City cd nhieu Ipi
ich cd trong cong tdc qudn
ly vd phdt tridn do tli),
phdn tich hi^n tr^ng vd dy
bdo xu hudmg phdt trien dd
<i>thj... nhd hien th) day Si </i>
vd sinh dpng nhat ve di$n,
nudc, viln thdng, nhd ciia,
dat dai... cd trdn be mat vd
cdng trinh ngam dudi Idng
dat ciia do thj m$t cdch
nhanh chdng vd chinh xdc,
cy the Id: Nd cimg cap toan
bp hidn trfuig do thj giiip
nhd qudn ly cd cdi nhin
todn di$n khi phdn tich
hi^n t r ^ g vd xu hudng
phdt tridn do thj, nhat Id
khi cdc do thi hidn nay
dang thyc hidn chucmg
trinh ngam hda todn bp h$

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thdng ha tang; hiln thi tryc
quan cdnh quan kidn tnic
do thi phuc vy cdng tdc
qudn ly quy hogch theo
chieu cao; cap nhat kip
thdi thdng tin quy hogch
xay dyng, bd sung vdo

ngudn dii Hpu hi^n trgng
phyc vu kip thdi cho cdng
tac cap phdp thdm dinh
quy hogch. Thgm chi,
phdn mem ndy cung cap
nhiing thdng tin chi tidt tgi
mdi khu vyc nhu: Chu can
hd, ten dudng, be rpng cua
mgt dudng, he thdng cdp
thodt nudc, dudng ddy
dien...

He thdng 3D GIS City
dupc xay dyng dya tren
cdc yeu cdu chung cua GIS
2D nhu: Chuan chung de
luu dir lieu; cung cap cdc
chdc nang GIS de thu
thap, chinh sira, thao tdc va
phdn tich du lidu;...Ben
cgnh dd, cau true he thdng
va cac thanh phdn de tgo
mpt md hmh 3D GIS City
theo he thdng Bently Map
cdn cd:

Bdn dd Bentley: Giup
cdc nhd qudn ly cd the lap
ban dd, lap ke hogch, tao
dung vd qudn ly ca sd hg

tdng cua the gidi vd tao
dilu ki^n cho vide thdnh
l^p, duy tri, chia se vd
phan tich cdc thdng tin dia
ly 2D/3D, ddng thdi tuy

chinh cdc dng dyng, cy the
Id: Phan tich dii lieu khdng
gian 2D va 3D; tgo ra
nhung cdnh phim 3D chat
lupng cao vd sinh dpng;
eho in cdc bdn do chat
lupng cao; khdi ddng
nhanh chdng cdc dy dn
thdnh pho 3D GIS bdng
cdch sd dyng City GML
cua bdn do Bentley dya
vdo md hinh dii li$u; luu
giu va chinh sua tdt cd cdc
logi du li?u trong khdng
gian. Dac bipt, ban dd
Bentley cd 3 phien bdn de
ngudi dung sd dung dd la:
Bentley map powerview
(hinh dung vd chinh sda
cac thdng tin khdng gian
dia ly 2D/3D); Bentley
map (chinh sda, phdn tich
vd qudn ly cdc thdng tin
khdng gian dia ly 2D/3D

bao gdm viec hodn thdnh
bdn dd vd nang cao cdc
cdng cy qudn ly (chgy ddc
lap hoac tren
MicroSta-tion) vd Bentley map
En-terprise (chinh sua, phan
tich va qudn ly thdng tin
khdng gian dia ly 2D/3D
cung vdi viec ndng cao
qudn ly hinh dnh quet va
khung chat ran cho quy
trinh cdng vi^c thanh phd
3D).

Bentley Geospatial
Server; Cung cap cdc
thdng tin vl dii lieu khdng
gian, bdn ve, hd sa kinh

doanh va cdc tai lieu khdc
thdng qua vipc tiep cgn
qudn ly thdng tin lien
quan. Thdng tin ca sd du
lieu cita doanh nghipp, tai
sdn, he thong cdc phdng
ban vd dd lieu lien quan
den dy dn dupc luu giu
gdn nhu dudi bat ky mpt
dinh dgnh ndo de ngudi
dimg cd the su dyng thdng

qua giao dien khdng gian.
Mpt trong nhung tinh nang
uu vidt ciia Bentley
Geospatial Server dd la
viec qudn ly thdng tin
thdng qua each tiep can
rieng biet phy thudc vdo
vide lap myc luc thdng tin
thay cho viec chuyen ddi
nd thdnh dinh dang thdng
thudng, cho phep thdng tin
de truy cap han, xem va
chinh sua vdi sy giup da
cua ngudi sd dyng tryc
tiep cdc cdng cu tu Bentley
Geospatial Server.

Bentley Descartes: Tich
hop day du vdi
MicroSta-tion, phan mem hinh dnh
Bentley Descartes cho
phep ngudi su dyng dinh
kem/xem, chinh sua,
chuydn va xd ly tat cd cdc
du lieu quet trong mpt iing
dyng ddc lap. Nd cd the
hien thi gan nhu tdt cd cdc
tap file quet cdng nghiep
thdng dyng ciing nhu cdc
dii lieu thdng qua Web

Map Service (WMS).

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Ngodi vi?c hien thj md
hinh s6 dd cao, cdng cy
hidn th) ridng bidt ciia
Bentley Descarte cd thd
hien thj dp doc, dp cao vd
khia cjnh sir dyng mdn
hinh mdu hiy chinh. Phan
mdm ndy cung cd the dupc
sii dyng de trinh duydt,
truy van, dinh kdm vd hien
thj cdc dudng qudt Itm giir
d khdng gian Oracle.

Bentley Descartes bao
gdm cdc cdng cy nhu scm,
xda, lo^i bd, Idm lom dom
vd lu lyt dd hodn thdnh ky
thuJt vd hodn thdnh cdng
vide IJp bdn dd trdn dix li^u
qudt. Cdc cdng cy chuydn
ngdnh khdc bao gdm thay
ddi dia phucmg, di chuydn,
cdn, xoay, phdn chieu vd
ldm cdng ciing cd san. Tat
cd cdc hc^t dpng cd the
thuc hi?n tren raster 2D
hodc 3D vd dupc sir dyng
de dng dyng ket cau rdn

trong vide ho trp quy trinh
cdng vide ciia thdnh pho
3D.

Bentley Geo Web
Pub-lisher: Cung cap lpi ich
ciia vide xuat bdn hi^u xudt
cao dd ket hpp vdi cdc
ngudn dir lidu khdc nhau,
tdc gid vd nhd qudn ly dng
dyng Web GIS vd ldy dupc
phdn ldn thdng tin khdng
gian dia ly cua ngudi su
dung. Tich hpp vector vd

hlnh dnh mdy xuit bdn cdc
tjp dir lidu vector vd cdc
djnh d^nh khdc, ldm cho
dl ddng hom khi kdt hpp
cdc bdn vd, bdn dd, md
hlnh, chyp dnh trdn khdng
vd hlnh dnh trong thuydt
trinh trinh duydt tiiy chinh.
Ddng thdi, Bentley Geo
Web publisher cdn dupc
xdy dyng trdn radt quy
trinh xuat bdn tdi uu cho
cdc dir lidu khdng gian dja
ly, cho phdp nd xuit bdn tir
lya chpn ngudn dii lipu

phong phu bao gdm DGN,
SHP, TAB, DWG, hinh
dnh qudt vd thdng tin tao ra
bdi sdn phim cua Bentley
GIS cung nhu thdng tin
trong CO sd dir lidu lidn
quan bao gdm Oracle
Spa-tial...

3D GIS City cd the
tdng hpp todn didn hidn
trang ha tang dd thi tir thu
thap, xur ly, qudn ly, phdn
tich va hien thi dir lipu
khdng gian vd phi khdng
gian trdn ciing mpt mdi
trudmg giup cdc nhd qudn
<i>\'^ de ddng t^o mpt md </i>
hinh 3D GIS City dpng
phyc vy cdng tdc qudn ly
vd quy hoach do thj hidu
qud. Vipc ling dyng 3D
GIS City trong qudn ly vd
phdt tridn do thj Vift Nam
Id gidi phdp toi im va phii
hpp vdi xu the hpi nh|ip cd
thd gidi quydt dupc cdc

vin dd cdn tdn tji hipn nay
trong cdng tdc qudn 1^ h$

ting dd thj.

Tuy nhidn, dd irng dyng
3D GIS City vdo qudn 1^
hfl ting dd thj t?i Vipt Nam
cdn nhidu khd khdn, vi
cdng nghd cdn mdi; chua
cd sy ddng nhit hp thong,
ndn neu trien khai irng
dyng hd thdng 3D GIS
City khdng nh&ng khdng
thl phdt huy hit cdc iing
dyng md cdn gjip phdi
nhihig rdo cdn, ban che vl
ngudn kinh phi vd ngudn
nhdn lyc dl viin hdnh hd
thdng 3D GIS City. Ngodi
ra, ngdn hdng dir hpu nhu
thdng tin ve dat dai, quy
hofich, cip thodt nudc,
dipn... dd cimg cip cho hp
thdng lim trii phdn mim
GIS cdn trong giai do^n
mdi hinh thdnh, ndn chtra
diy du. Vl v^y, ddi hdi can
cd sy quan tdm ciia cdc
cap, cdc ngdnh trpng cdng
tdc qudn ly dd thj dl t|n
dyng tdi da hipu qua ciia
3D GIS City khi dupc ling

dyng tfli cdc do thj Vipt

<b>Nam.A </b>

<i><b>Dlnh Thanh </b></i>

<i>(Nguon tai lifu Hgi </i>
<i>thdo img dung GIS todn </i>
<i>quoc nam 2012) </i>

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