Band Oh Ient Rang Su Dung Dat

CHNG TRNH TNG CNG NNG LC

QUN L T AI V MI TRNG (SEMLA) Hp phn Quc gia

NHM CHUYN ELIS

bO CO

Chun d liu

ha quy hoch s dng t

H Ni, nm 2007

Bo co nhm chuyn ELIS

MC LC Trang

T VN 1

Phn I: C S PHP L, MC TIU XY DNG CHUN HA HA QUY HOCH S DNG T.............................................................

2

I. CN C PHP L..................................................................... 2 II. S CN THIT XY DNG CHUN HA CSDL HA QUY HOCH S

DNG T........................................................................................................... 2

III. MC TIU...................................................................................................... 2

1. Mc tiu chung.......... ....................................................................................... 2

2. Mc tiu c th.................................................................................................. 3

IV. NHNG QUY NH CHUNG............................................................................. 3

1. Quy nh v Seedfile...................................................................................... 4 2. Quy nh v tng quan khng gian (topology) cho tng lp v gia cc lp... 6

Phn II: HIN TRNG V THNG TIN T LIU BN PHC V CNG TC QUY HOCH S DNG T...................................................

8

I. XY DNG BN HIN TRNG S DNG T NM 2000 TI CC A

PHNG................................................................................................................. 8

1. Tnh hnh chung............................................................................................. 8

2. Ngun ti liu s dng phc v cng tc xy dng Bn hin trng s dng t nm 2000....................................................................................... 8

3. nh gi cht lng bn HTSD cp tnh............................................ 9 4. Xy dng bn hin trng s dng t nm 2000 ca c nc v 7 vng kinh t........................................ ............................................................... 10

II. XY DNG BN HIN TRNG S DNG T NM 2005 TI CC A

PHNG.................................................................................................................. 12

1. Ngun ti liu cung cp xy dng bn hin trng s dng t nm 2005 12

2. Phng php xy dng Bn hin trng s dng t............................ 13 3. Cng tc xy dng bn hin trng s dng t.................................... 14 4. Kt qu xy dng bn hin trng s dng t nm 2005 cp vng v c nc 20


5. nh gi kt qu thc hin cng tc xy dng bn hin trng s dng t nm 2005............................................................................................

20

Phn III: THIT LP NI DUNG CHUN HA QUY HOCH S DNG T.......................................... ............................................................. 23

I. CHUN C S A L..................................................................................... 23 1. Chun c s ton hc v chnh xc.........................................................

23

2. Chun cc yu t c s a l v cc yu t ni dung bn hin trng s dng t............................................................................................................

27

II. CHUN M HNH D LIU ( Spatial Data Model Standard).....................

28

III. CHUN V NI DUNG D LIU ( Content Data Standard)....................... 28 IV. CHUN V HNH THC TH HIN CC I TNG KHNG GIAN......... 30 1. Chun k hiu loi t................................................................................. 30 2. Chun mu loi t...................................................................................... 31 3. Chun lp...................................................................................................... 34 4. Chun lc nt................................................................................................. 40 5. Chun ranh gii............................................................................................. 40 6. Chun ghi ch................................................................................................ 42 V. CHUN V KHUN DNG D LIU............................................................... 42 VI. CHUN HA D LIU NGUN..................................................................... 42 VII. CHUN HA QUI TRNH CP NHT D LIU CA CSDL T

AI..........43

VIII. CHUN HA SIU D LIU (Metadata)................................................... 43 KT LUN V KIN NGH........................................................................... 45

I. KT

LUN........................................................................................................45

II. KIN NGH....................................................................................................... 45

T, K HIU VIT TT

COLIP Trung tm iu tra Quy hoch t ai

CIREN Trung tm thng tin Ti nguyn v Mi trng

CSDL C s d liu.

ELIS H thng thng tin t ai v mi trng

LIS (Land Information System) H thng thng tin t ai.

GIS H thng thng tin a l.

MONRE B Ti nguyn v Mi trng

UML (Unified Modeling Language) Ngn ng m hnh ha thng nht.

GCNQSD Giy chng nhn quyn s dng t.

HTTT H thng thng tin t ai.

TCC Tng cc a chnh

BTNMT B Ti nguyn v Mi trng

TQH iu tra Quy hoch

CSDL C s d liu

SEMLA Chng trnh hp tc Vit Nam Thy in v

tng cng nng lc qun l t ai v mi trng


T VN Chun ha CSDL l mt cng vic ht sc cn thit m bo cho vic

tch hp, x l v khai thc mt cch tt nht CSDL. y thc s l mt vn ht sc kh khn, bi l tnh trng d liu hin c cng nh trnh qun l, s dng chng ang cn tn ti nhiu bt cp. Cng tc chun ha, xy dng b chun i hi nhiu ngun lc, c s php l v mc quan tm, thng nht ca rt nhiu thnh phn kinh t x hi ch khng n thun cc n v qun l Nh nc v t ai v mi trng v cng khng ch gii hn trong ngnh Ti nguyn v Mi trng (MONRE v DONRE). Ngoi ra, vi gii hn v thi gian v kinh ph, nhm chuyn s thc hin cc hot ng gip cho vic thng nht c tiu chun quc gia thng nht c p dng nhm pht trin h thng ELIS, trong khun kh SEMLA. Nhng ni dung chi tit bao gm chun d liu khng gian ca bn nn, bn a chnh, h s a chnh, d liu mi trng v d liu khng gian quy hoch s dng t. Trong chuyn ny ch cp ti ni dung chun d liu cho phn ha Quy hoch s dng t.

Ni dung chnh ca chuyn ca phn " Chun d liu ha quy hoch s dng t " bao gm cc phn chnh sau:

Phn I: C S PHP L, MC TIU XY DNG CHUN D LIU HA QUY HOCH S DNG T

Phn II: HIN TRNG V THNG TIN T LIU BN PHC V CNG TC QUY HOCH S DNG T

Phn III: THIT LP NI DUNG CHUN HA QUY HOCH S DNG T

KT LUN

Bo co chuyn "Chun ha Quy hoch s dng t" 1


Phn I

C S PHP L, S CN THIT MC TIU

XY DNG CHUN D LIU HA QUY HOCH S DNG T

I. CN C PHP L

- Thng t s 28/CT/TT-BTNMT ngy 01 thng 11 nm 2004 ca B Ti nguyn v Mi trng v vic hng dn thc hin thng k, kim k t ai v xy dng bn hin trng s dng t;

- Quyt nh s 33/2004/Q-BTNMT ngy 17/12/2004 ca B trng B Ti nguyn v Mi trng v vic ban hnh phn mm chuyn i to t H HN-72 sang H VN-2000 cho bn a chnh s.

- Quy phm thnh lp Bn hin trng s dng t ca B trng B Ti nguyn v Mi trng, ban hnh theo Quyt nh s 39/2004/ Q-BTNMT ngy 31/12/2004 ca B trng B Ti nguyn v Mi trng.

- K hiu bn hin trng s dng t v bn quy hoch s dng t t l 1:1000; 1:2000; 1:5000; 1:10 000; 1:25 000; 1:50 000; 1:100 000; 1:250 000 v 1:1 000 000 theo Quyt nh s 40/2004/Q-BTNMT ngy 31/12/2004.

II. S CN THIT XY DNG CHUN HA CSDL HA QUY HOCH S DNG T

Chun ha d liu l mt cng vic quan trng trong vic qun l v s dng CSDL. Chun ha CSDL l mt cng vic ht sc cn thit m bo cho vic tch hp, x l v khai thc mt cch tt nht CSDL. y thc s l mt vn ht sc kh khn, bi l tnh trng d liu hin c cng nh trnh qun l, s dng chng ang cn tn ti rt nhiu bt cp. Trong gii hn nghin cu, ch xin a ra mt s quy nh c tnh kh thi v vic chun ha CSDL, nhm tng bc thng nht cho vic thit k - xy dng CSDL phc v QHSD.

III. MC TIU

1. Mc tiu chung

M hnh h thng thng tin t ai v mi trng p ng phc v cc nhim v qun l Nh nc v t ai v mi trng cp trung ng v cc a phng thuc chng trnh SEMLA.


Bo co nhm chuyn ELIS 2. Mc tiu c th

- Nm bt c thc trng d liu ha quy hoch s dng t cc n v hnh chnh cp trung ng, cp tnh, cp huyn, thm ch ti c cp x.

- Thit lp mt c s d liu ha quy hoch s dng t thng nht lm c s cho vic tch hp, x l v khai thc mt cch tt nht CSDL.

IV. NHNG QUY NH CHUNG

C s d liu bn hin trng v quy hoch cc t l phi c lu tr theo m hnh d liu khng gian (Spatial data model), trong cc i tng khng gian ty thuc vo ln ca chng trong khng gian cng nh yu cu v t l th hin m c biu th bng im, ng thng, ng nhiu cnh hoc l vng khp kn. Cc tp tin (file) bn phi dng m, ngha l phi cho php chnh sa, cp nht thng tin khi cn thit v c kh nng chuyn i khun dng (fomat) s dng trong cc phn mm bn thng dng khc nhau phc v nhng mc ch khc nhau nh in bn ra giy, lm nn c s cho h thng thng tin a l (GIS).v.v.

Ni dung bn s ha phi m bo tnh y , chnh xc, chi tit nh ni dung bn gc s ha. D liu phi c lm sch, lc b nhng im nt tha, lm trn nhng ch gy v khng c u tha, u thiu ( tuy nhin lm trn nt khng c lm thay i hnh dng ca i tng biu th so vi bn gc). chnh xc v c s ton hc, v v tr cc yu t a vt v chnh xc tip bin khng c vt qu hn sai cho php theo quy phm ban hnh theo quyt nh s 39/2004/Q-BTNMT ngy 31/12/2004 ca B trng B Ti nguyn v Mi trng.

V hnh thc trnh by, bn hin trng s dng t v quy hoch s dng t phi tun th theo ng cc yu cu th hin ni dung c quy nh trong Quy phm, K hiu bn hin trng s dng t v bn quy hoch s dng t t l 1:1000; 1:2000; 1:5000; 1:10 000; 1:25 000; 1:50 000; 1:100 000; 1:250 000 v 1:1 000 000 (tm thi) p dng thng nht trong c nc ban hnh theo quyt nh s 39/2004/Q-BTNMT v s 40/2004/Q-BTNMT ca B trng B Ti nguyn v Mi trng.

Cc k hiu c lp trn bn phi th hin bng cc k hiu dng cell c thit k sn trong cc tp *.cell m khng dng cng c v hnh (shape) hay vng trn (circle) v.



Cc i tng dng ng khng dng B-spline v, m phi dng line string, cc ng c th l Polyline, linestring, chain hoc complexchain. im u n im cui ca i tng ng phi l mt ng lin khng t on v phi c im nt nhng ch giao nhau gia cc ng cng loi

Nhng i tng dng vng (Polygon) ca vng ca mt loi i tng c dng k hiu v Pattern, shape hoc Fill color phi l cc vng ng kn, kiu i l shape hoc complex shape.

1. Quy nh v Seedfile Seedfile chnh l Design file mu ( khng cha d liu) nhng n cha

y cc tham s quy nh v c s ton hc ca bn s bao gm: h ta , php chiu, n v o, Seedfile l mt tp tin (file) thng nht trn ton quc. c bit vi cc file bn s m bo tnh thng nht v c s ton hc gia cc file d liu, phi to mt Seedfile cha cc tham s v h to , php chiu, n v o.v.v.ph hp vi c s ton hc ca cc mnh bn giy. Sau cc file bn c cng c s ton hc s c to da trn nn Seedfile ny.

Bn s ha thng nht xy dng trn mt Seedfile chun (tp tin nh khun dng mu) c nh v trong h ta chung. Tp tin nh dng mu c thit k ph hp vi Seedfile chung theo h ta Quc gia VN-2000.

- B k hiu bn hin trng s dng t v bn quy hoch s dng t dng s

m bo tnh thng nht c s d liu bn , b k hiu bn hin trng s dng t v bn quy hoch s dng t dng s c xy dng da trn phn mm MicroStation.

Bin tp bn dng s phi s dng ng b k kiu cho cc cp hnh chnh, theo t l tng ng v ng cc thng s quy nh.

Cc k hiu c lp phi th hin bng cc k hiu dng cell c thit k sn trong cc tp *.cell. Cc i tng dng ng khng dng B-spline v, m phi dng LineString, cc ng c th l Polyline, LineString, LineStyle, Chain hoc Complex Chain. im u n im cui ca mt i tng ng phi l mt nt lin khng t on v phi c im nt nhng ch giao nhau gia cc ng cng loi. Nhng i tng dng vng (Polygon) ca cng mt loi i tng c dng kiu k hiu l pattern, shape hoc fill color phi l cc vng ng kn, kiu i tng l shape hoc complex shape.


Bo co nhm chuyn ELIS a. Quy nh cc tp chun trong th vin k hiu s

Th mc HTSDD cung cp cc tp chun phc v cho vic s ho v bin tp bn hin trng s dng t v bn quy hoch s dng t trong mi trng ha MicroStation. Cc tp c s phc v cho vic thnh lp bn hin trng s dng t, bn quy hoch s dng t dng s c lu trong th mc HTSDD gm:

a. Seedfile: vn2d.dgn l tp quy nh c s ton hc cho cc tp bn dng s trong MicroStation.

b. Phng ch ting Vit: Vnfont.rsc. c. Th vin cc k hiu c lp *.cell. (Xa.cel, Huyen.cel, Tinh.cel, Vung250.cel). d. Th vin cc k hiu hnh tuyn gm: Xa1000.rsc, Xa2000.rsc,

Xa5000.rsc, Xa10000.rsc, Huyen5.rsc, Huyen10.rsc, Huyen25.rsc, Tinh25.rsc, Tinh50.rsc, Tinh100.rsc, Vung250.rsc, Tquoc1tr.rsc.

e. Bng phn lp i tng (Future table): Xa1000.tbl, Xa2000.tbl, Xa5000.tbl, Xa10000.tbl, Huyen5.tbl, Huyen10.tbl, Huyen25.tbl, Tinh25.tbl, Tinh50.tbl, Tinh100.tbl, Vung250.tbl, Tquoc1tr.tbl.

f. Bng mu: HTSDD.tbl. b. Hng dn s dng cc tp trong th mc HTSDDcho bn s

- Chy tp tin Datdai-*.bat (* = c, d, e ty vo phn mm MicroStation c ci C, D, E) trong th mc HTSDD bng cch nhy p chut vo tp tin hoc a con tr vo tp tin v nhn Enter, cc tp chun s c copy vo cc th mc quy nh ca MicroStation.

- i vi bn ca tng cp v theo tng t l u c nhng tp chun ring bit xc nh mi trng s ha nhm trnh nhm ln v cch s dng cc k hiu, cch t cc ghi ch, ng lp quy nh.

Khi s ha, bin tp bn hin trng s dng t, quy hoch s dng t ca cp hnh chnh no cn chn ng Workspace tng ng trn hp thoi Microstation Manager.


Khi s ho hoc bin tp bn cp huyn t l 1/ 10 000 chn

Bo co nhm chuyn ELIS n v thnh lp bn Workspace T l

Huyen5 1/ 5000 Huyen10 1/ 10 000 Cp huyn Huyen25 1/ 25 000 Tinh25 1/ 25 000 Tinh50 1/ 50 000 Cp tnh

Tinh100 1/ 100 000 Vng lnh th Vung250 1/ 250 000

C nc Tquoc1tr 1/ 1 000 000 - Khi s ho, bin tp cc i tng theo yu cu trong mi trng

ha MicroStation cn chn i tng theo nhm bng cch chn FC Select Future trong thanh cng c MSFC s xut hin ca s lnh Feature Collection.

FC Select Future

- Ti ca s Feature Collection chn nhm i tng bn phn nhm i tng (Category Name) chn i tng cn s ha hoc bin tp ti phn Feature Code, Feature Name, khi tu vo kiu i tng m phn mm xc nh cc thuc tnh mt cch t ng.

Ca s lnh Feature Collection

2. Quy nh v tng quan khng gian (topology) cho tng lp v gia cc lp

Cc lut topology trong cng mt lp thng tin

Lp thng tin Lut topology M t SST

1 ChigioiQuyhoach Must not overlap ng ch gii quy hoch khng c chng

ln nhau



2 Vungthuyloi Must not overlap Vng thy li khng c chng ln nhau

3 Vungthuyloi Must not have gaps Vng thy li khng c c khong trng

4 Duongthuyloi Must not overlap ng thy li dng line khng c chng

ln nhau

5 Duonggiaothong Must not overlap ng giao thng khng c chng ln

nhau

6 Hanhlanggiaothong Must not overlap Hnh lang giao thng khng c chng ln

nhau

7 Hanhlanggiaothong Must not have gaps Hnh lang giao thng khng c c khong

trng

8 ThuaDat Must not have gaps Tha t khng c c khong trng

9 ThuaDat Must not overlap Tha t khng c c chng ln nhau

10 VungHanhchinh Must not overlap Vng hnh chnh khng c chng ln

nhau

11 VungHanhchinh Must not have gaps Vng hnh chnh khng c c khong trng

12 VungQuyhoach Must not overlap Vng quy hoch khng c chng ln nhau

13 VungQuyhoach Must not have gaps Vng quy hoch khng c c khong trng

Cc lut topology gia cc lp thng tin

STT Lp thng tin Lut topology Lp tham chiu M t

1 Chigioigiaothong Must be covered by

boundary of

Hanhlanggiaothong Ch gii giao thng phi

nm trng vi bin vng

Hnh lang giao thng

2 Duongthuocthua Must be covered by Vungthua Cc ng thuc tha phi

nm bn trong tha t

3 ChigioiQuyhoach Must be covered by

boundary of

VungQuyhoach Ch gii quy hoch phi

nm trng vi bin vng

quy hoch

4 MocQuyhoach Point must be covered

by boundary line

ChigioiQuyhoach Mc quy hoch phi nm

trn ch gii quy hoch



Phn II

HIN TRNG V THNG TIN T LIU BN

PHC V CNG TC QUY HOCH S DNG T

Cho n nay nc ta hon thnh h thng bn nn t l 1/50.000 dng s thng nht theo h thng to VN-2000. y l h thng bn nn c t l thch hp th hin n v hnh chnh cp tnh v c nc. Vic tnh ton trn bn s cn cho php b qua tt c cc sai s do co dn ca vt liu th hin bn ( thng l giy) v cc sai s vic o c to trn bn .

I. XY DNG BN HIN TRNG S DNG T NM 2000 TI CC A PHNG

1. Tnh hnh chung

Tng s n v cp x xy dng bn HTSD nm 2000 l 8.560 chim 81,7% trn tng s 10.475 n v cp x trong c nc;

Tng s n v cp huyn xy dng bn HTSD nm 2000 l 489 chim 79,5% trn tng s 615 n v cp huyn trong c nc;

Tng s n v cp tnh xy dng bn HTSD nm 2000 l 58 chim 95,1% trn tng s 61 n v cp tnh trong c nc.

2. Ngun ti liu s dng phc v cng tc xy dng Bn hin trng s dng t nm 2000

- H thng bn HTSD nm 1995 ( c 4 cp)

- H thng bn HTSD chnh l nh k ( theo Quyt nh s 375 Q/C ngy 16/5/1995) v t cng tc lp QHSD cc cp trong nhng nm qua.

- Ti liu theo Ch th s 364 c 4 cp

- Ti liu o c a chnh c ta

- Bn a hnh cc t l t 1/2000-1/50000 ( trong : 1/2000 c 25 mnh, 1/5000 c 3500 mnh, 1/10000 c 1700 mnh, 1/25000 c 1500 mnh, 1/50000 c 3800 mnh).

-H s a chnh, ng k bin ng thng xuyn

- Ti liu kim k t chuyn dng theo Ch th s 245

- Ti liu iu tra kim k rng theo Ch th s 286/TTg



- Ti liu nh hng khng, vin thm

- Ti liu ca cc ngnh khc: nng-lm-thy sn, giao thng, du lch, cng nghip, xy dng...

3. nh gi cht lng bn HTSD cp tnh

a. V phng php cng ngh

- Cng ngh truyn thng: 18/61 tnh thnh, chim 29,50%

- Cng ngh s: 40/61 tnh thnh, chim 65,6%

b. T l bn

- T l 1/125.000: 1/61 tnh thnh chim 1,6%;

- T l 1/100.000: 30/61 tnh thnh chim 49,2%

- T l 1/75.000: 3/61 tnh thnh chim 4,9 %

- T l 1/50.000: 20/61 tnh thnh chim 32,8%

- T l 1/25.000: 4/61 tnh thnh chim 6,6%

c. Nn bn

- Nn in: 50/61 tnh thnh, chim 82%

- Nn photo: 8/61 tnh thnh, chim 13,1%

Trong :

+ C a hnh v c ta 33/61 tnh thnh, chim 54,1%

+ C a hnh, khngc ta 2/61 tnh thnh, chim 3,3%

+ Khng c a hnh v c ta 13/61 tnh thnh, chim 21,3%

+ Khng c a hnh v khng c ta 10/61 tnh thnh, chim 16,4%

d. Li chiu bn

- Theo li chiu h Gauss: 52/61 tnh thnh, chim 85,2%

- Li chiu h UTM: 6/61 tnh thnh, chim 9,8%

e. Cht lng bn

- t loi tt: 26/61 tnh thnh, chim 42,6%

- t loi kh: 18/61 tnh thnh, chim 29,5%



- t loi trung bnh: 11/61 tnh thnh, chim 18%

- t loi yu: 3/61 tnh thnh, chim 4,9%

f. Tnh php l

- C y ch k v du theo quy nh: 52/61 tnh thnh, chim 85,2%

- Cha y ch k v du theo quy nh: 6/61 tnh thnh, chim 9,8%

g. Bo co thuyt minh km theo bn HTSD

- C km theo bo co thuyt minh: 38/61 tnh thnh, chim 62,3%

- C km theo bo co thuyt minh: 20/61 tnh thnh, chim 32,8%

4. Xy dng bn hin trng s dng t nm 2000 ca c nc v 7 vng kinh t

* V phng php cng ngh

Bn HTSD c nc v 7 vng kinh t do Vin iu tra quy hoch t ai xy dng theo phng php chung vi cc bc chnh sau:

Bc 1: Tp hp bn HTSD cp tnh v cc ti liu cn thit.

Bc 2: Kim tra, nh gi, phn loi bn HTSD cp tnh v cc ti liu c s dng.

Bc 3: X l, tng hp v chuyn v ni dung, bin tp v trnh by bn HTSD c nc v cc vng.

Qu trnh x l, tng hp v chuyn v ni dung, bin tp v trnh by bn HTSD c nc v cc vng nm 2000 t l 1/1.000.000 v 1/250.000 (Bc 3) c thc hin hon ton bng cng ngh bn s theo cng ngh ca hng Intergraph gm c:

H thng phn mm: GIS office, Mapping office.

Phn cng: Cc trm (workstation) TD30, Server TDZ-400 lm vic trn b vi x l Pentinum hin i kt ni vi nhau trn mng cc b; cc thit b ngoi vi nh my qut Eagle kh A0 en trng AHATECH vi phn gii 300-800 dpi, my in phun mu HP Design Jet 650C kh A0. Cc bc quy trnh cng ngh lp bn HTSD c nc v cc vng nm 2000 thc hin theo s sau:




000.000 do Tng cc a chn pht h

ng c s ha, chnh sa, tng hp c nc v cc vng ly

cc t l 1/25.0

h my bay.

in ra giy

Nhng c s 000 ca c nc v cc vng kinh t bao gm:

xy dng v s ha bn HTSD nm 2

- Bn s nn a hnh t l 1/250.000, 1/1.000.000 v bn hnh chnh c nc t l 1/1. nh. C chuyn v a gii quc gia v a gii hnh chnh cc tnh theo kt qu ti liu 364.

- Cc yu t ni du v x l trn my tnh xy dng bn HTSD t cc ngun ti liu sau:

+ Bn HTSD nm 2000 (bn s hoc th cng) ca cc tnh, thnh ph trc thuc Trung ng 00-1/125.000.

+ T liu nh vin thm, n

+ T liu bn ca cc chuyn ngnh, ti liu thng k t ai.v.v.

* Kt qu

xy dng bn s v

Bn s HTSD cc tnh

Chuyn i h phn mm

Vector ha

Nn nh

- Lm sch d liu - X l - Gn m, t mu - Bin tp

TNG HP LN BN HTSD VNG V C NC

Ti liu b sung ( nh vin thm, BHTSD b tr, ti

liu 364, ti liu chuyn ngnh)

Kim tra, nh gi, phn loi bn , ti liu

Bn giy HTSDD cc tnh

Qut bn , ti liu di dng nh

S cng ngh lp bn s HTSD c nc v cc vng

Quy trnh chuyn i bn s trn Format MapInfo

Bn s xy dng trn phn mm MapInfo

Chuyn i d liu sang Format.dgn

Nn d liu vector chuyn i v ng h to Nh nc

- Lm sch d liu - X l - Gn m, t mu - Bin tp

TNG HP LN BN HTSD VNG V C NC


- S dng nh vin thm xy dng bn nn cho 1.281 x ca 13 tnh, trong :

+ 1.552 a CD ghi d liu bn s (bn ng nt 524 a, bn ng nt + nn nh 1.028 a).

+ Bn ng nt + nn nh c 3.850 t (1.234 t bn ng nt c t l 1/5.000 v 2.616 t bn ng nt c t l 1/10.000).

+ Bn ng nt c 3.943 t (1263 t bn ng nt c t l 1/5.000 v 2.680 t bn ng nt c t l 1/10.000);

- S dng nh hng khng xy dng bn nn cho 1.504 x, phng, th trn trn a bn 17 tnh, thnh ph trc thuc Trung ng vi s lng nh sau: 554 bn nn t l 1/5.000, 950 bn nn t l 1/10.000;

* Cung cp bn nn cp x cho a phng:

B Ti nguyn v Mi trng giao cho cc n v trc thuc B r sot v thnh lp bn nn cp x, cp huyn, cp tnh cho mt s a phng. Kt qu xy dng v giao cho cc a phng:

1. Ngun ti liu cung cp xy dng bn hin trng s dng t nm 2005

II. XY DNG BN HIN TRNG S DNG T NM 2005 TI CC A PHNG

Bn HTSD nm 2000 c nc v 7 vng kinh t v c bn th hin y , ng yu cu k thut cc yu t ni dung nh: ch tiu v ranh gii cc loi t ( ph hp vi biu mu thng k din tch t ai do Tng cc a chnh ban hnh km theo Quyt nh s 507/1999/Q-TCC ngy 12/10/1999), cc yu t a l c bn, cc yu t a hnh v cc a vt c trng bng cc k hiu, m s, mu sc tun th theo quy nh ca Ti liu hng dn nghip v chnh l v xy dng bn hin trng s dng t nm 2000 ban hnh km theo Cng vn s 78/CV-TQH ngy 04/11/1999, tp k hiu bn hin trng v quy hoch s dng t ( tm thi) c ban hnh km theo Quyt nh s 407/Q/C ngy 7/6/1995 ca Tng cc a chnh v ch dn b sung ca Ban ch o Trung ng.

- Bn HTSD 7 vng kinh t nm 2000 t l 1/250.000

- Bn HTSD c nc nm 2000 t l 1/1.000.000



- Cc ti liu bn chuyn ngnh khc nh Bn quy hoch giao thng, thy li, quy hoch rng.v.v.

+ Bn Quy hoch ca thi k trc thc hin;

+ Bn Hin trng s dng t ca thi k trc;

+ Bn ranh gii hnh chnh theo ch th 364;

+ Bn a hnh;

+ Bn 299/TTg;

+ Bn a chnh;

- Phng php o v chnh l ti liu bn hin c, bao gm:

- Phng php s dng nh hng khng v nh vin thm

- Phng php o v trc tip

2. Phng php xy dng Bn hin trng s dng t

+ Bn nn t l 1/5.000 c 1.410 t, t l 1/10.000 c 1.351 t.

+ Bn nh v tinh t l 1/5.000 c 1.410 t, t l 1/10.000 c 1.351 t;

Ngoi ra B Ti nguyn v Mi trng cn cung cp bn nh v tinh v bn nn cho 1.281 x ca 13 tnh, trong :

* Cung cp bn nn phc v xy dng bn hin trng s dng t nm 2005 ca 8 vng v c nc: bn a hnh T l 1/250.000 c 42 mnh trong h to quc gia VN-2000; T l 1/1.000.000 c 8 mnh trong h to quc gia VN-2000.

* Cung cp bn nn cp tnh cho 64/64 tnh, thnh ph trc thuc Trung ng.

* Cung cp bn nn cho tt c 663 huyn gm: 2.328 t A0, trong c 127 t t l 1/5.000, 546 t t l 1/10.000, 1.547 t t l 1/25.000, 102 t t l 1/50.000 v 6 t t l 1.250.000.

+ 38 a CD ghi d liu bn s.

+ Bn nn t l 1/5.000 c 1.410 t, t l 1/10.000 c 1.351 t.

+ Bn nh v tinh t l 1/5.000 c 1.410 t, t l 1/10.000 c 1.351 t.



Do iu kin nhn lc v trnh cn b chuyn mn hu ht cc x phi hp ng vi cc n v c chc nng v nng lc trong cng tc xy dng bn hin trng s dng t thc hin.

Trn c s cc t liu bn c t chc i chiu vi s liu kim k t ai v ngoi thc a chnh l nhng ni dung hin trng s dng t cho ph hp vi thc t. Trnh by v bin tp bn hin trng s dng t nm 2005, kim tra i sot ln cui cng.

- Cc x cha c bn a chnh chnh quy v bn a chnh c s, s dng d liu s c ca bn a hnh hoc s ha bn a hnh c trn a bn bin tp, bin v bn nn cp x. Cc x khng c ngun bn nn no th s dng t liu nh chp my bay v nh chp t v tinh do B ti nguyn v Mi trng cung cp.

- i vi x khng c bn a chnh chnh quy nhng c bn a chnh c s th s dng bn a chnh c s xy dng bn hin trng s dng t nm 2005.

- i vi x c bn a chnh chnh quy th s dng bn a chnh lm bn nn cho bn hin trng s dng t nm 2005.

Ty theo c im tnh hnh v ngun ti liu, bn hin trng s dng t nm 2005 ca cp x c s dng cc loi bn nn:

* Xy dng bn hin trng s dng t nm 2005 cp x

i vi cp x, huyn, tnh trong trng hp c bit c th lp bn hin trng s dng t t l ln hn t l nu trn

- Bn hin trng s dng t ton quc ( t l 1/1.000.000);

- Bn hin trng s dng t cc vng lnh th ( t l 1/250.000);

- Bn hin trng s dng t cp tnh ( t l 1:25.000, 1/50.000 hoc 1/100.000);

- Bn hin trng s dng t cp huyn ( t l 1:10.000, 1/25.000 hoc 1/50.000);

- Bn hin trng s dng t cp x ( t l 1:2.000, 1/5.000 hoc 1/10.000);

Bn hin trng s dng t nm 2005 c xy dng theo cc cp hnh chnh v cc vng lnh th nh sau:

3. Cng tc xy dng bn hin trng s dng t



Bn hin trng s dng t nm 2005 cp x c xy dng theo ng cc quy nh trong quy phm thnh lp bn hin trng s dng t v tp k hiu bn hin trng s dng t v quy hoch s dng t, nn kt qu bn hin trng s dng t nm 2005 c ni dung y v chnh xc cao hn hn

- 05 tnh, thnh ph c s dng bn giao t, giao rng, chim 7,81% tng s tnh thnh ph, gm: Bc Kn, Thanh Ho, Qung Bnh, Tha Thin Hu, An Giang.

- 01 tnh c s dng bn quy hoch s dng t, chim 1,56% tng s tnh thnh (Cn Th);

- 10 tnh c s dng bn 299, chim 15,63% tng s tnh, thnh ph, gm: H Giang, Cao Bng, Lo Cai, Tuyn Quang, Yn Bi, Thanh Ho, Qung Bnh, Vnh Long, Tr Vinh, Bc Liu;

- 07 tnh, thnh ph c s dng bn hin trng s dng t k trc, chim 10,94% tng s tnh, thnh ph, gm: Bc Ninh, Ninh Bnh, Lo Cai, Cn Th, Tr Vinh, Sc Trng, Bc Liu;

- 13 tnh c s dng bn a hnh, chim 20,31% tng s tnh, thnh ph, gm: Vnh Phc, Nam nh, Ninh Bnh, Cao Bng, Lo Cai, Bc Kn, Tuyn Quang, Yn Bi, Ninh Thun, ng Nai, An Giang, Vnh Long, Sc Trng;

- 06 tnh c s dng nh hng khng, chim 9,38% tng s tnh, thnh ph, gm: H Giang, Bc Kn, Tuyn Quang, Yn Bi, Ninh Thun, Bc Liu;

- 05 tnh c s dng nh v tinh, chim 7,81% tng s tnh, thnh ph, gm: Tha Thin Hu, ng Nai, Tin Giang, Kin Giang, Sc Trng;

- 27 tnh, thnh ph c s dng bn a chnh, chim 42,19% tng s tnh, thnh, gm: H Ni, Vnh Phc, Bc Ninh, Hi Dng, Hng Yn, Nam nh, Ninh Bnh, H Giang, Cao Bng, Lo Cai, Bc Kn, Tuyn Quang, Yn Bi, Thanh Ho, Qung Bnh, Tha Thin Hu, Ninh Thun, Ty Ninh, Bnh Dng, ng Nai, An Giang, Tin Giang, Vnh Long, Kin Giang, Cn Th, Tr Vinh, Sc Trng;

Trong xy dng bn hin trng s dng t nm 2005, phn ln cp x p dng cng ngh bn s, tuy nhin nhng x vng su, vng xa, min ni, hi o cha c iu kin p dng cng ngh s vn p dng cng ngh truyn thng. Ngun ti liu s dng thnh lp bn hin trng s dng t nm 2005 cp x kh a dng, c th nh sau:



- T l 1/25.000: 03/64 tnh, thnh chim 4,69%.

- T l 1/50.000: 23/64 tnh, thnh chim 35,94%.

- T l 1/10.000: 38/64 tnh, thnh chim 59,37%.

* T l bn hin trng s dng t cp tnh nm 2005

Bn hin trng s dng t nm 2005 cp huyn v cp tnh s dng b phn mm Mapping office v GIS office ca hng Intergraph thc hin tng hp v bin tp.

Bn hin trng s dng t nm 2005 ca cp huyn v cp tnh c xy dng theo ng cc quy nh trong quy phm thnh lp bn hin trng s dng t v tp k hiu bn hin trng s dng t v quy hoch s dng t, nn kt qu bn hin trng s dng t nm 2005 c y ni dung v t chnh xc cao hn bn hin trng s dng t nm 2000.

Bn hin trng s dng t nm 2005 ca cc tnh c xy dng trn c s tng hp, x l bin tp t bn hin trng s dng t cp huyn.

T liu bn nn cp tnh: 64/64 tnh, thnh ph trc thuc Trung ng c B cp bn nn. Bn nn cp tnh c xy dng vi t l 1/25.000 n 1/100.000, t vic cp nht, chnh l bn a hnh t l 1/25.000, 1/50.000, 1/100.000 ca cc tnh, thnh ph trc thuc Trung ng theo h ta VN-2000.

Bn hin trng s dng t nm 2005 cp huyn c xy dng trn c s tng hp, x l t bn hin trng s dng t cp x.

T liu bn nn cp huyn: B Ti nguyn v Mi trng cp bn nn cho tt c 663 huyn trong c nc xy dng bn hin trng s dng t nm 2005; bao gm: 2.328 t A0 trong c 127 t t l 1/5.000; 546 t t l 1/10.000; 1.547 t t l 1/25.000; 102 t t l 1/50.000 v 6 t t l 1.250.000.

Bn nn cp huyn c xy dng theo t l t 1/10.000 n 1/50.000 bng phng php cp nht, chnh l t cc ngun ti liu: Bn a chnh chnh quy, a chnh c s; bn a hnh t l t 1/10.000 n 1/50.000; t liu nh hng khng; t liu nh v tinh; bn nn s dng trong t Tng kim k t ai nm 2000; bn hnh chnh cp huyn do a phng hoc c quan chuyn ngnh Trung ng lp.

* Xy dng bn hin trng s dng t nm 2005 cp huyn, tnh



* Xy dng bn hin trng s dng t nm 2005 cp vng v c nc Phng php xy dng bn hin trng s dng t nm 2005 ca 8

vng v c nc

a. Cc t liu a vo s dng

- Bn nn a hnh t l 1/100.000, 1/250.000 v 1/1.000.000, h to v cao quc gia VN 2000 do B Ti nguyn v Mi trng cp.

- D liu nh chp t my bay v v tinh.

- a gii hnh chnh cc cp theo h s a gii 364 v cc Ngh quyt ca Quc hi, Ngh nh ca Chnh ph v iu chnh a gii hnh chnh cc tnh, thnh ph n thng 12 nm 2004.

- Bn hin trng s dng t nm 2005 in trn giy v lu trn a CD ca 64 tnh, thnh ph trc thuc Trung ng.

b. Gii php k thut v chnh xc

Bn hin trng s dng t nm 2005 ca 8 vng v c nc c xy dng bng b phn mm Mapping office v GIS office ca hng Intergraph. S dng phn mm Microstation ca hng Bentley bin tp d liu theo khun dng .dgn. S dng Modular GIS Environment ca hng Intergraph ng vng h thng thy h, dng li to cho bn nn.

Bn hin trng s dng t nm 2005 cp vng c xy dng bng phng php tng hp v bin tp t cc bn hin trng s dng t nm 2005 ca cc tnh.

Bn hin trng s dng t nm 2005 c nc c xy dng bng phng php tng hp v bin tp t cc bn hin trng s dng t nm 2005 ca 8 vng.

c. Bin tp bn nn 8 vng v c nc - S dng bn nn a hnh t l 1/250.000 h to v cao quc

gia VN 2000 do B Ti nguyn v Mi trng cp. - Cp nht cc yu t nn a l: h thng giao thng; h thng thu vn;

a gii hnh chnh cc cp theo bn 364 v cc Ngh quyt ca Quc hi, Ngh nh ca Chnh ph v iu chnh a gii hnh chnh n thng 12 nm 2004; cc im dn c v a danh.

- Bin tp bn nn 8 vng v c nc theo quy nh. d. X l bn hin trng s dng t nm 2005 (dng s) ca 64 tnh,

thnh ph trc thuc Trung ng



- Kim tra bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc thuc Trung ng:

- i vi bn hin trng s dng t ca cc tnh, thnh ph trc thuc Trung ng khng s dng bn nn do B Ti nguyn v Mi trng cp th chuyn ton b cc ni dung hin trng s dng t ca tnh vo bn nn theo quy nh.

- Chun ho li d liu khng gian v d liu thuc tnh theo quy nh.

- Chun ho li ch tiu phn loi t theo Lut t ai nm 2003.

- Bin tp li bn hin trng s dng t ca 64 tnh, thnh ph trc thuc Trung ng thng nht theo quy phm v k hiu bn hin trng s dng t hin hnh.

e. Bin tp bn hin trng s dng t ca 8 vng v c nc

- Chuyn cc ni dung hin trng s dng t nm 2005 ca cc tnh vo bn nn ca vng v chuyn cc ni dung ca bn hin trng s dng t ca 8 vng vo bn nn ca c nc.

- Chn, b, gin ho v tng hp cc yu t hin trng s dng t.

- Tri k hiu theo quy nh.

- Bin tp bn hin trng s dng t ca 8 vng v c nc theo quy nh.

- Vit thuyt minh bn hin trng s dng t nm 2005 ca 8 vng v c nc.

f. Bin tp bn hin trng s dng t nm 2005 kh A3- Bin tp bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc

thuc Trung ng theo kh A3:

+ Thu bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc thuc Trung ng v kh A3.

+ Chn, b, gin ho v tng hp cc yu t ni dung.

+ Tri k hiu theo quy nh.

+ Bin tp bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc thuc Trung ng theo kh A3.

- Bin tp bn hin trng s dng t nm 2005 ca 8 vng theo kh A3:

+ Thu bn hin trng s dng t nm 2005 ca 8 vng kh A3.

+ Chn, b, gin ho v tng hp cc yu t ni dung.



+ Tri k hiu theo quy nh. + Bin tp bn hin trng s dng t nm 2005 ca 8 vng theo kh A3. - Bin tp bn hin trng s dng t nm 2005 c nc theo kh A3: + Thu bn hin trng s dng t nm 2005 cc vng v kh A3. + Chn, b, gin ho v tng hp cc yu t ni dung. + Tri k hiu theo quy nh. + Bin tp bn hin trng s dng t nm 2005 c nc theo kh A3. S CC BC XY DNG BN HIN TRNG S DNG T

NM 2005 CP VNG V C NC

Bn HTSD nm 2005 ca cc tnh, thnh ph trc thuc Trung ng

X l d liu bn s cp tnh, bin tp bn HTSD

cc vng t l 1/ 250 000

X l d liu bn HTSD cp vng t l 1/ 250 000, bin tp bn

HTSD c nc

Tng hp, xy dng

bn HTSD kh A3

Xy dng bo co k thut, thuyt minh xy dng bn HTSD cp vng, c nc.

In, nhn sao, lu tr ti liu, bn - Bn HTSD cp vng, t l 1/ 250 000 - Bn HTSD c nc, t l 1/ 1 000 000 - Bn HTSD 8 vng kh A3 - Bn HTSD c nc kh A3 - Bo co thuyt minh xy dng bn HTSD

Bn nn c nc, t l 1/1.000.000 v bn

nn cp vng t l


Bo co nhm chuyn ELIS 4. Kt qu xy dng bn hin trng s dng t nm 2005 cp vng v c nc

* Bn HTSD nm 2005 cp vng:

+ Bn hin trng s dng t nm 2005 vng Ty Bc, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng ng Bc, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng ng bng Bc b, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng Bc Trung b, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng Duyn hi Nam Trung b, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng Ty Nguyn, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng ng Nam b, t l 1/250.000.

+ Bn hin trng s dng t nm 2005 vng ng bng sng Cu Long, t l 1/250.000.

* Bn hin trng s dng t c nc nm 2005 t l 1/1.000.000.

* Bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc thuc Trung ng kh A3.

* Bn hin trng s dng t nm 2005 ca 8 vng kh A3.

* Bn hin trng s dng t c nc nm 2005 kh A3.

- Bo co thuyt minh bn hin trng s dng t ca 8 vng v c nc (in trn giy v dng s).

5. nh gi kt qu thc hin cng tc xy dng bn hin trng s dng t nm 2005

a. S lng

V mc y h s theo quy nh: 50/64 tnh, thnh ph c y h s. Cn li 14 tnh, thnh ph h s cha y theo quy nh (s liu cp huyn,



Cp x: 9.028/10.754 n v x c bn giy; 10.034/10.754 n v x c s liu dng s.

Cp huyn: 591/663 n v huyn c bn giy, 618/663 n v huyn c bn dng s; 529/663 n v huyn c s liu giy v 647/663 n v huyn c s liu dng s.

Cp tnh: - Bn : 64/64 tnh, thnh ph c bn trn giy v bn dng s, 24/64 tnh, thnh ph c bo co thuyt minh bn hin trng s dng t nm 2005;

- S liu: 100% tnh, thnh ph c b s liu trn giy v s liu dng s, 54/64 tnh, thnh ph c bo co kt qu kim k t ai nm 2005.

b. Cht lng bn

* Phng php cng ngh:

100% cc tnh thc hin xy dng bn hin trng s dng t nm 2005 bng cng ngh bn s (s dng phn Microstation).

* Ti liu s dng xy dng bn hin trng s dng t nm 2005 c ly t cc ngun sau:

- Bn a chnh: 26/64 tnh, thnh ph

- nh v tinh: 5/64 tnh, thnh ph

- nh hng khng: 5/64 tnh, thnh ph

- Bn a hnh: 12/64 tnh, thnh ph

- Bn hin trng s dng t k trc: 7/64 tnh, thnh ph

- Bn 299: 10/64 tnh, thnh ph

- Bn quy hoch: 1 tnh s dng

- Bn giao t, giao rng: 4/64 tnh, thnh ph s dng.

* Bn nn:

- Trng vi nn ca B cung cp: 59/64 tnh, thnh ph, chim 92,19% Trong s ny c mt s bn tuy c trng vi bn nn do B cung cp


Bo co nhm chuyn ELIS nhng khng trng v cc yu t nh a hnh, h thng thy vn, ranh gii,

giao thng,

- Khng trng vi nn ca B cung cp: 5/64 tnh, thnh ph, chim 7,81%.

* Tnh php l:

- y c s php l v du theo quy nh c 15 tnh, thnh ph.

- Thc hin theo quy trnh v hng dn ca B Ti nguyn v Mi trng 64/64 tnh, thnh ph.

* Bn hin trng s dng t nm 2005 ca cc tnh cn mt s tn ti nht nh nh sau:

- Bn in trn giy ca nhiu tnh c k hiu cha ng, ghi sai v lc b qu nhiu m cc loi t, nhiu khoanh t c cng mc ch s dng nhng khng c tng hp (39/64 tnh, thnh ph).

- D liu bn s ca mt s tnh (05 tnh) khng s dng bn nn thng nht theo h ta quc gia VN-2000 do B cung cp.

- Bn hin trng s dng t ca mt vi tnh cn sai v c s ton hc, khng phn lp theo quy nh, cc i tng ng vng khng lc b ht cc im tha, mc ch s dng cn chng cho, thiu m s.

- Mt s tnh xy dng bn s cha tng hp ho (chi tit qu mc cn thit), thng tin khng r rng, kh phn bit trong x l v tng hp.

- D liu bn s mt s tnh cn c tnh trng cc lp thng tin chng nhau, cc vng trng, ph khng khp.

- Tnh trng gip ranh hnh chnh cc huyn cn b chng , phn loi mu thun hoc cha bin tp gip bin.



Phn III

THIT LP NI DUNG CHUN HA QUY HOCH S DNG T

Vi m hnh c s d liu t ai phn tn theo n v hnh chnh cp Tnh, cng tc xy dng chun ho thng tin t ai rt quan trng. Chun ho to ra s thng nht trong lu tr, cp nht v tra cu thng tin t ai trn ton quc. Chun thng tin t ai bao gm cc chun chnh sau:

I. CHUN C S A L

1. Chun c s ton hc v chnh xc

1.1. Bn Hin trng s dng t H quy chiu v H ta Quc gia VN-2000

a. E lip - x - t quy chiu WSG-84 vi kch thc

- Bn trc ln: 6.378.137 m;

- dt: 298,257223563;

b. Li chiu bn

Vn la chn li chiu bn l cng vic quan trng bt buc khi thit k mt bn chuyn bt k, nht l khi bn c xy dng t l nh. Tuy nhin thng nht cng tc o c v lp bn trong phm vi c nc, Th tng Chnh ph c Quyt nh s 83/2000/Q-TTg ngy 12 thng 7 nm 2000 v vic p dng H quy chiu v H to quc gia VN - 2000. Vic s dng li chiu bn c quy nh v hng dn c th trong Thng t Hng dn p dng h quy chiu v h to quc gia VN - 2000 ca Tng cc a chnh nh sau:

- S dng li chiu hnh nn ng gc vi hai v tuyn chun 110 0 v 21 th hin cc bn a hnh c bn, bn nn, bn hnh chnh quc gia t l 1/1.000.000 v nh hn cho ton lnh th Vit Nam.

- S dng li chiu hnh tr ngang ng gc vi mi chiu 60 c h s iu chnh t l bin dng chiu di k0 = 0,9996 th hin cc bn a hnh c bn, bn nn, bn hnh chnh quc gia t l t 1/500.000 n 1/25.000.

- S dng li chiu hnh tr ngang ng gc vi mi chiu 30 c h s iu chnh t l bin dng chiu di k0 = 0,9999 th hin cc bn a hnh c bn, bn nn, bn hnh chnh t l t 1/10.000 n 1/2.000.



- S dng li chiu hnh tr ngang ng gc vi mi chiu ph hp c h s iu chnh t l bin dng chiu di k0 = 0,9999 th hin h thng bn a chnh c s v bn a chnh cc loi t l; Kinh tuyn trc c quy nh cho tng tnh, thnh ph trc thuc Trung ng.

- Khi thnh lp bn chuyn c th s dng cc li chiu ni trn hoc cc loi li chiu khc ph hp vi mc ch th hin bn .

Mi chiu bn quy nh trong Thng t:

- Mi 60: Theo chia mi quc t c s dng cho cc bn c bn t l t 1/500.000 n 1/25.000, tc l gi nguyn cch chia mi 60 nh hin ang s dng cho bn a hnh Vit Nam theo li chiu Gau - x. Vit Nam c 3 mi chiu 60 nh bng di y:

S th t Kinh tuyn bin tri Kinh tuyn trc Kinh tuyn bin phiMi 48 1020 1050 1080

Mi 49 1080 1110 1140

Mi 50 1140 1170 1200

- Mi 30 c s dng cho cc loi bn c bn t l t 1/10.000 n 1/2.000. Vit Nam c 6 mi 30 nh trong bng di y:

S th t Kinh tuyn bin tri Kinh tuyn trc Kinh tuyn bin phi

Mi 481 100030' 1020 103030'

Mi 482 103030' 1050 106030'

Mi 491 106030' 1080 109030'

Mi 492 109030' 1110 112030'

Mi 501 112030' 1140 115030'

Mi 502 115030' 1170 118030'

Cc bin dng v chiu di, din tch, gc li chiu c Nh nc quy nh nh hn nhiu so vi kh nng biu din ho cc yu t ni dung ca bn v hu nh khng nh hng g n kt qu khi s dng bn trong thc t. V vy cc bn trong h thng bn quy hoch s dng t ai tng cp s s dng li chiu theo nhng quy nh trn ph thuc v t l bn c la chn.

- Kinh tuyn trc cc tnh, thnh ph trc thuc Trung ng quy nh ti Thng t s 973/2001/TT-TCC ngy 20/6/2001 ca Tng cc a chnh ( nay l B Ti nguyn v Mi trng)




Kinh tuyn trc cc tnh,

thnh ph trc thuc trung ng

TT Tnh, thnh ph Kinh tuyn trc TT Tnh, thnh ph Kinh

tuyn trc 1 Lai Chu 1030 00 33 Long An 1050 45 2 in Bin 1030 00 34 Tin Giang 1050 45 3 Sn La 1040 00 35 Bn Tre 1050 45 4 Kin Giang 1040 30 36 Hi Phng 1050 45 5 C Mau 1040 30 37 TP.H Ch Minh 1050 45 6 Lo Cai 1040 45 38 Bnh Dng 1050 45 7 Yn Bi 1040 45 39 Tuyn Quang 1060 00 8 Ngh An 1040 45 40 Ho Bnh 1060 00 9 Ph Th 1040 45 41 Qung Bnh 1060 00

10 An Giang 1040 45 42 Qung Tr 1060 15 11 Thanh Ha 1050 00 43 Bnh Phc 1060 15 12 Vnh Phc 1050 00 44 Bc Kn 1060 30 13 H Ty 1050 00 45 Thi Nguyn 1060 30 14 ng Thp 1050 00 46 Bc Giang 1070 00 15 Cn Th 1050 00 47 Tha Thin - Hu 1070 00 16 Hu Giang 1050 00 48 Lng Sn 1070 15 17 Bc Liu 1050 00 49 Kon Tum 1070 30 18 H Ni 1050 00 50 Qung Ninh 1070 45 19 Ninh Bnh 1050 00 51 ng Nai 1070 45 20 H Nam 1050 00 52 B Ra-Vng Tu 1070 45 21 H Giang 1050 30 53 Qung Nam 1070 45 22 Hi Dng 1050 30 54 Lm ng 1070 45 23 H Tnh 1050 30 55 Nng 1070 45 24 Bc Ninh 1050 30 56 Qung Ngi 1080 00 25 Hng Yn 1050 30 57 Ninh Thun 1080 15 26 Thi Bnh 1050 30 58 Khnh Ho 1080 15 27 Nam nh 1050 30 59 Bnh nh 1080 15 28 Ty Ninh 1050 30 60 c Lc 1080 30 29 Vnh Long 1050 30 61 c Nng 1080 30 30 Sc Trng 1050 30 62 Ph Yn 1080 30 31 Tr Vinh 1050 30 63 Gia Lai 1080 30 32 Cao Bng 1050 45 64 Bnh Thun 1080 30


- Bn hin trng s dng t c phn mnh trn c s kch thc, hnh dng ca n v hnh chnh hoc khu vc, thun tin cho thnh lp, s dng, nhn bn cng nh bo qun ti liu, kch thc ca mi mnh bn khng vt qu khun kh t giy Ao.

- La chn t l bn hin trng s dng t da vo: kch thc, hnh dng ca n v hnh chnh, ca khu vc; c im, din tch, chnh xc ca cc yu t ni dung chuyn mn hin trng s dng t phi th hin trn bn hin trng s dng t.

- La chn t l bn hin trng s dng t phi bo m th hin y ni dung hin trng s dng t v theo dy t l ca h thng bn a hnh, bn a chnh (i vi cp x, khu cng ngh cao, khu kinh t).

T l ca bn hin trng s dng t quy nh trong bng sau:

n v thnh lp bn T l bn Quy m din tch t nhin (ha) 1: 5.000 Di 2000

Cp huyn 1: 10.000 Trn 2000 n 10.000 1: 25.000 Trn 10.000 1: 25.000 Di 130.000

Cp tnh 1: 50.000 Trn 130.000 n 500.000 1: 100.000 Trn 500.000

Vng lnh th 1: 250.000 C nc 1: 1.000.000

- Cc n v hnh chnh thuc khu vc th, khu cng ngh cao, khu kinh t c mt cc yu t ni dung dy c th bn hin trng s dng t c php thnh lp t l ln hn mt cp theo quy nh trn. Cc n v hnh chnh thuc khu vc min ni c mt cc yu t ni dung tha tht th bn hin trng s dng t c php thnh lp t l nh hn mt cp theo quy nh trn.

- Trn bn hin trng s dng t phi th hin li kilmt hoc li kinh v . Bn hin trng s dng t t l 1/25.000 v ln hn ch th hin li kilmt, vi kch thc li kilmt l 10 cm x 10 cm trn bn . Bn hin trng s dng t t l 1/50.000, 1/100.000, 1/250.000 v 1/1.000.000 ch th hin li kinh v . Kch thc li kinh v ca bn hin trng s dng t t l 1/50.000 l 5/ x 5/. Kch thc li kinh v ca bn hin trng s dng t t l 1/100.000 l 10/ x 10/. Kch thc li kinh v ca bn hin trng s dng t t l 1/250.000 l 20/ x 20/. Kch thc li kinh



0v ca bn hin trng s dng t t l 1/1.000.000 l 1 x 10. Trng hp bn hin trng s dng t c cc yu t ni dung qu dy c th ch th hin cc im mt li kilmt hoc li kinh v bng cc du ch thp (+).

- Hnh dng cc khoanh t th hin trn bn hin trng s dng t phi ng vi hnh dng ngoi thc a, trng hp cc khoanh t c tng hp ho th phi gi li nt c trng ca i tng.

- Khi chuyn v cc ni dung hin trng s dng t t cc bn dng thnh lp bn hin trng s dng t sang bn nn th chnh xc ca cc yu t ni dung trn bn hin trng s dng t phi bo m cc yu cu sau:

a) Sai s tng h chuyn v khng vt qu 0,3 mm trn bn ; b) Sai s chuyn v v tr cc yu t khng c vt qu 0,2 mm trn bn .

- Trng hp bn hin trng s dng t c thnh lp bng phng php o v trc tip th phi tun th theo cc quy nh ca Quy phm ny v cc quy nh trong cc quy phm o v, thnh lp bn t l tng ng.

2. Chun cc yu t c s a l v cc yu t ni dung bn hin trng s dng t

a) Cc yu t ni dung c s a l:

- Dng t;

- Thu h v cc i tng lin quan;

- H thng giao thng v cc i tng lin quan;

- a gii hnh chnh;

- Li kilmt hoc li kinh v ;

- Cc im a vt c lp quan trng c tnh nh hng v cc cng trnh kinh t, vn ho - x hi;

- Ghi ch a danh v cc ghi ch cn thit khc.

b) Cc yu t ni dung hin trng s dng t:

- Khoanh t theo mc ch s dng;

- Khoanh t theo thc trng b mt;

- Ranh gii cc khu vc t theo chc nng lm khu dn c nng thn, khu th, khu cng ngh cao, khu kinh t, khu dch v v cc cng trnh, d


Bo co nhm chuyn ELIS n; ranh gii cc nng trng, lm trng;

- Biu c cu din tch cc loi t;

- Bng ch dn.

II. CHUN M HNH D LIU (Spatial Data Model Standard): chun v cch thc m t v lu tr thng tin trong h thng.

Chun v m hnh d liu xc nh cch thc m t v lu tr thng tin trong h thng. Cc i tng a l c m t bng cc m hnh d liu khng gian ( spatial data model) cn d liu thuc tnh ca chng thng thng c m t bng m hnh d liu quan h. Chun v m hnh c s d liu t ai l m hnh c s d liu khng gian (Spatial Database). C s d liu khng gian (Spatial Database) l mt m hnh hng i tng, cho php tch hp thng tin a l v thng tin thuc tnh trong cng mt c s d liu theo m hnh d liu quan h. Mt s hng pht trin GIS trn th gii c nhng sn phm theo hng CSDL khng gian nh ESRI, ORACLE, Intergraph, MapInfo.

III. CHUN V NI DUNG D LIU (Content Data Standard)

Chun ho v ni dung ca CSDL bao gm nhng lp i tng no. M t v tng lp i tng: Tn, cch m ho, cc thuc tnh ca i tng v quan h ( khng gian, thuc tnh ) ca i tng vi cc i tng khc.

Chun v ni dung d liu l chun mt hay nhiu i tng no cn thit lu tr trong CSDL, cch phn loi, nhn dng, ni dung ngha ca tng loi i tng ny ng thi cng m t c th v quan h gia cc i tng v d liu thuc tnh cn phi c ca tng i tng.

Chun v ni dung d liu t ai c m t di dng bng phn lp cc i tng.

Ni dung bn hin trng s dng t v bn quy hoch s dng t phi thng nht nh bn hin trng s dng t v bn quy hoch s dng t in trn giy c quy nh trong quy phm 39/2004/Q-BTNMT. K hiu trn bn hin trng s dng t v bn quy hoch s dng t theo cc t l theo quy nh k hiu 40/2004/Q-BTNMT.

* Quy nh v phn nhm cc yu t ni dung bn

* Ton b cc yu t ni dung bn s c chia thnh nhm:

- Dng t;

- Thu h v cc i tng lin quan;



- H thng giao thng v cc i tng lin quan;

- a gii hnh chnh;

- Li kilmt hoc li kinh v ;

- Cc im a vt c lp quan trng c tnh nh hng v cc cng trnh kinh t, vn ho - x hi;

- Ghi ch a danh v cc ghi ch cn thit khc.

* Quy nh th hin cc nhm i tng khc trn bn

Cc i tng im quan trng bao gm cc i tng im c tnh vn ha, kinh t, x hi phi c th hin bng cc k hiu tng ng thit k sn cc tp chun Cell. Cn ch n v tr i tng nm trong ranh gii tha, i tng nm gn trn ranh gii tha v i tng c th hin bng k hiu quy c th hin trn bn theo ng quy nh ca quy phm.

ng giao thng v cc i tng lin quan cng mt tnh cht phi lin tc, khng t on, k c on ng qua sng nt i, qua cu. Ch giao nhu ca cc ng giao thng ( ng ba, ng t.v.v.) v na t l c php chng k hiu ng, khng phi tu chnh m bo tnh lin tc ca ng. Ti cc im ny phi c cc im nt (Vertex).

Cc ng nt i na theo t l phi c t vo gia tm ng v phi c biu th bng Linestyle. Mp ng th hin theo t l trn bn th theo mp ng. ng giao thng th vng khp kn ng theo mp ng.

Cc cu th hin bng k hiu na theo t l dng Linestyle biu th, cn cc cu phi t l dng Cell biu th.

Thy h v cc i tng lin quan: Cc sng., mng v ng b nc phi c th hin chnh xc. Mi mt nhnh sng c tn ring phi l on rin bit, khng th hin cc nhnh sng c tn khc nhau lin thnh 1 nt lin tc. ng b sng 2 nt khi th hin phi v lin tc khng ngt qung bi cc cu ph nh trn bn giy. Nhng on b sng, ao, h l ng giao thng hay p chn nc, b dc th c th hin thnh cc i tng tng ng v c th hin bng cc k hiu tng ng.

Ghi ch cc loi t trong tha thng nht theo quy nh ghi ch tt c cc loi t trong thng t 28/2004/TT-BTN&MT ca B Ti nguyn v Mi trng.



Cc ng a gii hnh chnh phi l nhng ng lin tc t im giao nhau ny n im giao nhau khc v phi i theo ng v tr thc ca ng a gii v th hin bng cc k hiu ng tng ng. V d, khi ng a gii chy gia sng v 2 nt, th ng a gii l mt ng lin i gia sng ( khng t on). Cc trng hp a gii chy dc theo yu t hnh tuyn khc, v d nh ng giao thng, cng nh p dng nguyn tc nh trn.

Cc ng a gii hnh chnh phi c th hin theo ng cp a gii nh trong K hiu bn hin trng s dng t v quy hoch s dng t t l 1:1000; 1:2000; 1:5000; 1:10 000; 1:25 000; 1:50 000; 1:100 000; 1:250 000 v 1:1 000 000

Tt c cc ghi ch trn bn s u theo tiu chun ca K hiu bn hin trng s dng t v quy hoch s dng t t l 1:1000; 1:2000; 1:5000; 1:10 000; 1:25 000; 1:50 000; 1:100 000; 1:250 000 v 1:1 000 000

IV. CHUN V HNH THC TH HIN CC I TNG KHNG GIAN

Chun th hin qua cc bng chun v mu sc, k hiu, kch c cho tng lp thng tin.v.v. V d nh cc bng chun v mu v k hiu cho loi t, mu v k hiu cc i tng ca bn s.

1. Chun k hiu loi t

m bo tnh thng nht c s d liu bn , b k hiu bn hin trng s dng t v bn quy hoch s dng t dng s c xy dng da trn phn mm Micro Station.

Cc loi k hiu cn thit phc v khi thnh lp bn hin trng s dng t: Trn c s tp k hiu bn hin trng s dng t xy dng cc k hiu cn thit tng ng vi t l bn cn xy dng, p ng yu cu th hin cc ni dung, yu t trn bn thnh lp, thun tin cho s dng khi bin tp bn ng thi xy dng h thng bng mu k hiu cc loi t theo quy nh trong bn hng dn.

Chun ho k hiu loi t trn bn cho php chng ta chun ho k hiu loi t trn bn theo mt mu thng nht vi mc ch tin qun l, khai thc v s dng. Chun k hiu loi t c quy nh nh sau:

- M loi t c b tr cn i trong khoanh t

- M loi t trong ct k hiu HIN TRNG th hin bng mu en



- M loi t trong ct k hiu QUY HOCH th hin di dng phn s. T s l m loi t theo Hin trng s dng t bng mu en, mu s l m loi t theo Quy hoch s dng t bng mu .

Font ch ting Vit s dng trong bn s quy nh thng nht l Font Vnfont.rsc. C th gm cc loi sau:

Tn Font S Font Tn Font S Font Tn Font S Font

Vnarial Narrow I 194 VHtime I 185 Vharial B 187

VHAvant 193 Vhtime B 180 Vnarial 202

190 Vntime I 182 Vnarial 200 VHAvant I

184 Vharial 186 Vnarial Narrow

2. Chun mu loi t

Mu loi t th hin trn Bn hin trng s dng t v Bn Quy hoch s dng t phi tun th theo cc quy nh trong tp k hiu Bn hin trng s dng t v Bn Quy hoch s dng t t l 1/1.000, 1/2.000, 1/5.000, 1/10.000, 1/25.000, 1/50.000, 1/100.000, 1/250.000, 1/1.000.000 ( tm thi)

- Thng s mu nn th hin qua s mu gm 254 mu t 0-253 c phi kt hp gia cc thng s

+ R: Red

+ G: Green

+ B: Blue

- Thng s mu pattern i vi mt s loi t cn th hin mc ch s dng ( t rng v t cha s dng ) v cng c s dng cc thng s R, G, B th hin mu Pattern.

Ni dung bn hin trng v quy hoch s dng t th hin bng 3 mu , ve xm v xanh nh trong quy nh tp k hiu. Cc mu v bn s c xy dng phi ging vi cc mu th hin trong tp k hiu bn hin trng s dng t v quy hoch s dng t.

Ty theo loi my in pha li mt s t l mu trong phn mm MicroStation ( theo cc thnh phn R, G, B ) sao cho mu cc bn in trn giy c ng nht, nhng khng c thay i s mu.




MU LOI T TH HIN TRN BN

HIN TRNG S DNG T V BN QUY HOCH S DNG T

Thng s mu nn Thng s mu pattern

TT LOI T M S mu

R G B S mu

R G B

1 t chuyn trng la nc LUC 5 255 255 100

2 t trng la nc cn li LUK 6 255 255 100

3 t trng la nng LUN 7 255 255 100

4 t trng c COT 9 230 230 130

5 t c t nhin c ci to CON 10 230 230 130

6 t bng trng cy hng nm khc BHK 12 255 240 180

7 t nng ry trng cy hng nm khc NHK 13 255 240 180

8 t trng cy cng nghip lu nm LNC 15 255 215 170

9 t trng cy n qu lu nm LNQ 16 255 215 170

10 t trng cy lu nm khc LNK 17 255 215 170

11 t c rng t nhin sn xut RSN 20 180 255 180

12 t c rng trng sn xut RST 21 180 255 180

13 t khoanh nui phc hi rng sn xut RSK 22 180 255 180

14 t trng rng sn xut RSM 23 180 255 180

15 t c rng t nhin phng h RPN 25 190 255 30 0 255 255 255

16 t c rng trng phng h RPT 26 190 255 30 0 255 255 255

17 t khoanh nui phc hi rng phng h RPK 27 190 255 30 0 255 255 255

18 t trng rng phng h RPM 28 190 255 30 0 255 255 255

19 t c rng t nhin c dng RDN 30 110 255 100 0 255 255 255

20 t c rng trng c dng RDT 31 110 255 100 0 255 255 255

21 t khoanh nui phc hi rng c dng RDK 32 110 255 100 0 255 255 255

22 t trng rng c dng RDM 33 110 255 100 0 255 255 255

23 t nui trng thu sn nc l, mn TSL 35 170 255 255

24 t chuyn nui trng thu sn nc ngt TSN 36 170 255 255 0 255 255 255

25 t lm mui LMU 254 255 255 254

26 t nng nghip khc NKH 38 255 255 100

27 t ti nng thn ONT 41 255 208 255

28 t ti th ODT 42 255 160 255

29 t tr s ca c quan, t chc DTS 45 255 170 160

30 t cng trnh s nghip DSN 48 250 170 160



31 t quc phng QPH 52 255 100 80

32 t an ninh ANI 53 255 80 70

33 t khu cng nghip SKK 55 250 170 160

34 t c s sn xut, kinh doanh SKC 56 250 170 160

35 t cho hot ng khong sn SKS 57 205 170 205

36 t sn xut vt liu xy dng, lm gm SKX 58 205 170 205

37 t giao thng DGT 60 255 170 50

38 t thu li DTL 63 170 255 255

39 t chuyn dn nng lng, truyn thng DNT 66 255 170 160

40 t c s vn ha DVH 69 255 170 160

41 t c s y t DYT 72 255 170 160

42 t c s gio dc - o to DGD 75 255 170 160

43 t c s th dc - th thao DTT 78 255 170 160

44 t ch DCH 81 255 170 160

45 t c di tch, danh thng LDT 84 255 170 160

46 t bi thi, x l cht thi RAC 85 205 170 205

47 t tn gio TON 87 255 170 160

48 t tn ngng TIN 88 255 170 160

49 t lm ngha trang, ngha a NTD 89 210 210 210

50 t sng, ngi, knh, rch, sui SON 91 160 255 255

51 t c mt nc chuyn dng MNC 92 180 255 255

52 t c s ca t nhn khng kinh doanh CTN 94 255 170 160

53 t lm nh tm, ln tri NTT 95 255 170 160

54 t c s dch v nng nghip ti th DND 96 255 170 160

55 t bng cha s dng BCS 97 255 255 254 0 255 255 255

56 t i ni cha s dng DCS 98 255 255 254 0 255 255 255

57 Ni khng c rng cy NCS 100 230 230 200

58 t mt nc ven bin nui trng thy sn (*) MVT 102 180 255 255 201 0 255 255

59 t mt nc ven bin c rng ngp mn (*) MVR 103 180 255 255 201 0 255 255

60 t mt nc ven bin c mc ch khc (*) MVK 104 180 255 255 201 0 255 255

Ghi ch:

- Mu pattern cc loi t quy hoch l mu 203 c thng s: R = 255; G = 0; B = 0

- (*) t c mt nc ven bin khng thuc a gii hnh chnh tnh, huyn, x.

Bo co nhm chuyn ELIS 3. Chun lp

Cc i tng bn khi tn ti di dng s c th hin v lu tr trn cc lp thng tin khc nhau. V vy, trc khi tin hnh Vector ho, thnh lp bn s cc i tng cn th hin trn bn phi c xc nh trc s c lu tr trn lp thng tin no

V d: Cc i tng l ranh gii quc gia s c lu tr trn cc lp thng tin th nht, cc i tng l a gii hnh chnh tnh s c lu tr trn lp thng tin th hai.

phn lp cc yu t ni dung Bn Hin trng s dng t v Bn Quy hoch s dng t theo mt phng thc thng nht cn xc nh ni dung cn th hin trn Bn , trn c s sp xp cc yu t theo cc lp ( Level ) tin cho vic qun l d liu. Cc yu t ni dung Bn Hin trng s dng t dng s c chia thnh cc nhm lp, mi lp thng tin gm mt hoc mt s i tng c cng tnh cht.

S lp thng tin nhiu nht trn mt file bn (*.dgn) l 63 lp (level). V vy, cc i tng trn mt file bn nn c phn tch thnh nhiu nht l 63 lp thng tin khc nhau v mi lp c nh s th t t 1-63.

Trong MicroStation, c 63 level biu din thng tin bao gm cc nhm thng tin ch yu sau y:

+ Biu din thng tin v ranh gii ( kiu i tng th hin l LineStyle)

+ Biu din cc thng tin v Trung tm hnh chnh, trung tm cm x, th t.

+ Cc i tng kinh t - vn ho - x hi ( kiu i tng th hin Cell v Text)

+ ng giao thng v cc i tng lin quan ( kiu i tng th hin l Line Style)

+ Thu h v cc i tng lin quan ( kiu i tng th hin l Line, Line Style v Cell)

+ Cc thng tin v a hnh ( kiu i tng th hin l Line Style, Text v Cell)

+ Cc ghi ch ( kiu i tng th hin l Text)


Bo co nhm chuyn ELIS + Cch trnh by ( kiu i tng th hin l Line Style vText)

+ Thng tin v loi t ( kiu i tng th hin l Fill Color, Pattern v Text)

PHN LP CC YU T NI DUNG

BN HIN TRNG S DNG T V BN QUY HOCH S DNG T

Level Tn i tng Kiu i tng MU

Ranh gii

Bin gii quc gia xc nh 1 LineStyle 0

Bin gii quc gia cha xc nh 1 LineStyle 0

a gii hnh chnh tnh xc nh 2 LineStyle 0

a gii hnh chnh tnh cha xc nh 2 LineStyle 0

a gii hnh chnh huyn xc nh 3 LineStyle 0

a gii hnh chnh huyn cha xc nh 3 LineStyle 0

a gii hnh chnh x xc nh 4 LineStyle 0

a gii hnh chnh x cha xc nh 4 LineStyle 0

Ranh gii khoanh t hin trng 5 LineStyle 0

Ranh gii khoanh t quy hoch 6 LineStyle 203

Ranh gii khu dn c hin trng 7 LineStyle 0

Ranh gii khu dn c quy hoch 7 LineStyle 203

Trung tm hnh chnh

UBND tnh hin trng 8 Cell 0

UBND tnh quy hoch 8 Cell 203

UBND huyn hin trng 8 Cell 0

UBND huyn quy hoch 8 Cell 203

UBND x hin trng 8 Cell 0

UBND x quy hoch 8 Cell 203

Trung tm cm x, th t

Trung tm cm x, th t hin trng 8 Cell 0

Trung tm cm x, th t quy hoch 8 Cell 203



i tng kinh t - vn ho - x hi

Sn bay hin trng 9 Cell 0

Sn bay quy hoch 9 Cell 203

i, trm kh tng thu vn hin trng 9 Cell 0

i, trm kh tng thu vn quy hoch 9 Cell 203

nh, cha, miu, n... hin trng 9 Cell 0

nh, cha, miu, n... quy hoch 9 Cell 203

Nh th hin trng 9 Cell 0

Nh th quy hoch 9 Cell 203

Tng i, bia tng nim hin trng 9 Cell 0

Tng i, bia tng nim quy hoch 9 Cell 203

Chi, thp cao hin trng 9 Cell 0

Chi, thp cao quy hoch 9 Cell 203

Nh my c ng khi hin trng 9 Cell 0

Nh my c ng khi quy hoch 9 Cell 203

Trm bin th hin trng 9 Cell 0

Trm bin th quy hoch 9 Cell 203

i pht thanh, truyn hnh hin trng 9 Cell 0

i pht thanh, truyn hnh quy hoch 9 Cell 203

Sn vn ng hin trng 9 Cell 0

Sn vn ng quy hoch 9 Cell 203

Trng hc, nh tr hin trng 9 Cell 0

Trng hc, nh tr quy hoch 9 Cell 203

Bnh vin, trm y t hin trng 9 Cell 0

Bnh vin, trm y t quy hoch 9 Cell 203

Bu in hin trng 9 Cell 0

Bu in quy hoch 9 Cell 203

Ch hin trng 9 Cell 0

Ch quy hoch 9 Cell 203

Rp ht, chiu bng hin trng 9 Cell 0



Rp ht, chiu bng quy hoch 9 Cell 203

Tn c quan x nghip 9 Text 0

ng giao thng v i tng lin quan

ng st hin trng 10 LineStyle 0

ng st quy hoch 10 LineStyle 203

V quc l phi t l hin trng 11 LineStyle 0

Li quc l phi t l hin trng 12 LineStyle 211

V tnh l phi t l quy hoch 11 LineStyle 203

Li quc l phi t l quy hoch 12 LineStyle 211

V tnh l phi t l hin trng 13 LineStyle 0

Li tnh l phi t l hin trng 14 LineStyle 254

V tnh l phi t l quy hoch 13 LineStyle 203

Li tnh l phi t l quy hoch 14 LineStyle 254

ng huyn hin trng 15 LineStyle 0

ng huyn quy hoch 15 LineStyle 203

ng lin x hin trng 16 LineStyle 0

ng lin x quy hoch 16 LineStyle 203

ng thn xm hin trng 17 LineStyle 0

ng thn xm quy hoch 17 LineStyle 203

ng mn hin trng 19 LineStyle 0

ng mn quy hoch 19 LineStyle 203

Cc loi cu hin trng 20 LineStyle 0

Cc loi cu quy hoch 20 LineStyle 203

Thu h v cc i tng lin quan

ng b nc hin trng 21 LineStyle 207

ng b nc quy hoch 21 LineStyle 207

H, ao, sng, sui 2 nt hin trng 21 LineStyle 207

H, ao, sng, sui 2 nt quy hoch 21 LineStyle 207

Sng, sui 1 nt 21 Line 208



Trm bm hin trng 9 Cell 0

Trm bm quy hoch 9 Cell 203

theo t l v phi t l hin trng 22 LineStyle 0

theo t l v phi t l quy hoch 22 LineStyle 203

Knh mng phi t l hin trng 23 LineStyle 207

Knh mng phi t l quy hoch 23 LineStyle 207

p hin trng 24 LineStyle 0

p quy hoch 24 LineStyle 203

Cng hin trng 25 LineStyle 0

Cng quy hoch 25 LineStyle 203

a hnh

Bnh v cao bnh ci 26 LineStyle, Text 206

Bnh c bn 27 LineStyle 206

Bnh na khong cao u 28 LineStyle 206

im cao, ghi ch im cao 29 Cell, text 0

Ghi ch

Tn Th 35 Text 0

Tn thnh ph trc thuc trung ng 36 Text 0

Tn thnh ph trc thuc tnh 37 Text 0

Tn th x 37 Text 0

Tn qun, huyn 37 Text 0

Tn x, phng, th trn 38 Text 0

Tn tnh l 36 Text 0

Tn huyn l 37 Text 0

Tn thn xm, p, bn 39 Text 0

Ghi ch tn ring 40 Text 0

Tn bin 41 Text 207

Tn vnh, eo 42 Text 207

Tn ca sng 43 Text 207

Tn h ln 44 Text 207



Tn sng ln (tu chy c) 44 Text 207

Tn sng (can chy c) 44 Text 207

Tn sng, sui, knh, mng 44 Text 207

Ghi ch tn o 45 Text 0

Ghi ch di ni,dy ni 46 Text 0

Ghi ch tn ni, nh ni 46 Text 0

Ghi ch tn rng 46 Text Text

Trnh by

Khung ngoi 61 LineStyle 0

Khung trong 62 LineStyle 207

Li kinh v v li kilmt 63 LineStyle 207

S li kinh v v li kilmt 63 Text 0

Tn bn 59 Text 0

T l bn 59 Text 0

Tn quc gia ln cn 58 Text 0

Tn tnh ln cn 58 Text 0

Tn huyn ln cn 58 Text 0

Tn x ln cn 58 Text 0

Ngun ti liu s dng 57 Text 0

Ti liu s dng 57 Text 0

n v xy dng 57 Text 0

Tn n v xy dng 57 Text 0

Ghi ch trong bn ch dn v biu 56 Text 0

Loi t

Mu loi t 30 Fill color

Pattern loi t hin trng 31 Pattern cell

Pattern loi t quy hoch 32 Pattern cell 203

M loi t hin trng 33 Text 0

M loi t quy hoch 34 Text 203


Bo co nhm chuyn ELIS 4. Chun lc nt

Chun lc nt ca bn s thng nht quy nh trong tp k hiu bn a chnh 719/1999. Kch thc k hiu, lc nt v c hng dn bn cnh tng k hiu tnh bng mm. Nhng nt k hiu khng c ghi ch lc nt bn cnh u dng nt v c lc nt 0,15 - 0,20 v. Nhng phn k hiu no khng ch dn kch thc th v theo hnh dng k hiu mu trong tp k hiu. C th lc nt nh sau:

Lc nt trong MicroStation Lc nt qui ra mmWt0 0.08Wt1 0.10Wt2 0.15Wt3 0.20Wt4 0.25Wt5 0.30Wt6 0.35Wt7 0.40Wt8 0.50Wt9 0.60Wt10 0.70Wt11 0.80Wt12 0.90Wt13 1.00Wt14 1.10Wt15 1.20Wt16 1.30

5. Chun ranh gii

Khi xy dng bn s cho cc cp cn hoch nh r ranh gii gia cc cp v cn th hin r ranh gii gia cc khu dn c, cc khoanh t, tha t ty thuc vo yu cu v chnh xc cho tng loi t l bn . Mt s quy nh cn tun th khi xy dng bn :

1. Bin gii, a gii hnh chnh

- Bin gii quc gia th hin theo ti liu chnh thc ca Nh nc c Ban Bin gii ca Chnh ph thm nh.



- a gii hnh chnh cc cp th hin theo h s a gii hnh chnh, c c quan c thm quyn ph duyt v theo nhng quyt nh iu chnh a gii hnh chnh ca Nh nc.

K hiu bin gii v a gii hnh chnh cc cp (gi chung l a gii) v theo ng kch thc quy nh theo t l bn v c biu th trn bn giy theo nhng quy nh sau y:

+ Trng hp a gii chy dc theo cc a vt hnh tuyn m chiu rng ca a vt khng rng v k hiu a gii vo gia th k hiu a gii v so le hai bn, mi bn t 3 n 5 t k hiu ty theo chiu di ca on a gii, nhng ch ngot, ng ba phi th hin chnh xc, r rng;

+ Trng hp a gii chy dc theo mt pha ca a vt hnh tuyn th v k hiu a gii v pha , cch a vt c chn khng qu 0,3 mm trn bn v lin tc khng ngt on;

+ Trng hp a gii chy dc theo sng th cc on sng c c lao phi v k hiu a gii chy lin tc th hin r c lao thuc bn no;

+ Trng hp a gii cn tranh chp phi dng k hiu a gii cha xc nh th hin.

i vi bn hin trng s dng t v bn quy hoch s dng t dng s, nu a vt hnh tuyn c chn lm a gii th k hiu a gii trn my tnh c th hin ln cc k hiu a vt hnh tuyn , khi in bn ra giy phi m bo theo quy nh th hin a gii cho bn giy.

2. Ranh gii khoanh t

- Ranh gii khoanh t theo hin trng c v khp kn bng nt lin tc, mu en, vi lc nt 0,15 mm.

- Ranh gii khoanh t theo quy hoch c v khp kn bng nt lin tc, mu , vi lc nt 0,15 mm.

- Trng hp ranh gii khoanh t trng vi cc i tng hnh tuyn nh mp ng giao thng, b sng, sui, knh, mng th ly cc i tng lm ranh gii khoanh t.

3. Ranh gii cc khu t dn c nng thn, khu th, khu cng ngh cao, khu kinh t, cng trnh, d n; ranh gii cc nng trng, lm trng c th hin bng k hiu quy nh v cch th hin nh i vi a gii hnh chnh.


Bo co nhm chuyn ELIS 6. Chun ghi ch

Ch ghi ch trn bn b tr song song vi khung Nam ca bn tr cc hng ch ghi ch phi b tr theo hng a vt hnh tuyn nh sng ngi, ng giao thng, bin.v.v.

Phn ghi ch gii thch c th v cch s dng v th hin cc nhm i tng, i tng theo mu, t l.v.v. trong phn mm MicroStation. V. CHUN V KHUN DNG D LIU

Chun v khun dng d liu cho lu tr v trao i thng tin gia cc h thng ( Data format and Data Exchange Standard).

- Bao gm cc thng tin m t d liu: Tn d liu, ni dung d liu, c quan xy dng (cung cp) d liu, thi im ca d liu ( cht lng hnh nh, dng lu gi d liu, sai s).

- Chun ha v khun dng file l chun xc nh cc khun dng (format) file vt l lu tr cc i tng a l. Chun ny rt quan trng i vi nhng c s d liu c tnh cht dng chung, a ngi s dng.

- Chun v khun dng d liu bao gm: + Chun v khun dng file lu tr trong c s d liu. + Chun v khun dng file s dng cho trao i, phn phi thng tin

- D liu u vo c th cc khun dng khc nhau nh khun dng shp (phn mm ArcView), dgn phn mm MicroStation) v tab (phn mm MapInfor). Nhng qun l v khai thc mt cch thng nht cn phi chuyn i v mt khun dng chung l khun dng *.dgn. Cc i tng khng gian c biu th di dng im, ng v vng. Cc tp tin (file) bn phi dng m, cho php chnh sa, cp nht thng tin v c kh nng chuyn i khun dng (format). VI. CHUN HA D LIU NGUN

- D liu nn ly theo d liu bn a hnh c chnh l thi im mi nht

- D liu a gii hnh chnh ly theo h thng bn GHC cc cp (bn 364/CT) c cp nht

- D liu bin gii quc gia, o, qun o ly theo ti liu ca Ban Bin gii thuc B Ngoi giao

- D liu chuyn ngnh (gm c dng bn , s liu, ti liu vn bn, nh ) ly theo cc ti liu chnh thc v c cng b cc ngnh hoc cc c quan nghin cu khoa hc theo ng thm quyn v chc nng cung cp.


Bo co nhm chuyn ELIS - D liu ngun c th c lu gi trn giy (bn in trn giy, bng

biu s liu thng k, bo co ) hoc dng cc file s. VII. CHUN HA QUI TRNH CP NHT D LIU CA CSDL T AI

B Ti nguyn v Mi trng ban hnh khun dng chun ca d liu bn s: dng file DGN.

Hin ti c nhiu phn mm phc v xy dng d liu t ai ban u v vy c nhiu khun dng v cu trc c s d liu khc nhau cho d liu t ai.

Cn thit qui chun cc qui trnh cp nht d liu trong hai cng vic:

- Xy dng c s d liu ban u.

- Cp nht bo tr c s d liu. VIII. CHUN HA SIU D LIU (Metadata)

Chun ho ni dung cc thng tin cn thit mt d liu trong CSDL a l. Chun ho cch thc to, sa cha, truy nhp v tra cu cc thng tin Metadata.

Bao gm cc thng tin m t v d liu: Tn d liu, ni dung d liu, c quan xy dng (cung cp) d liu, thi im ca d liu, cc tham s khng gian ca d liu, tnh trng vt l ca d liu (cht lng hnh nh, dng lu gi d liu, sai s bin dng ). Kt qu Metadata c th hin di dng cc form chun m t cc thng tin lin quan n d liu.

Siu d liu (Metadata) l nhng thng tin cho bit v ni dung, cht lng v cc c tnh khc ca d liu ang lu tr trong CSDL.

Ni dung ca siu d liu Metadata l thng tin tng hp v: - Cc thng tin xc nh i tng - Cc thng tin v cht lng d liu - Cc thng tin v t chc d liu khng gian - Cc thng tin v tham chiu khng gian - Cc thng tin v thuc tnh - Cc thng tin v phn b, lu tr + Metadata (siu d liu) lu tr nhng thng tin m t v d liu c

lu tr trong h thng. i vi mt c s d liu ln v c quy m nhiu lnh vc nh C s d liu tch hp ti nguyn mi trng th thng tin metadata rt quan trng. Metadata b sung nhng thng tin m lp d liu a l khng th hin c nh ngun gc v c s ca d liu, chnh xc, kh nng s dng, tnh php l v nhng yu cu v bo mt d liu, ngy thnh lp, ngy cp nht gn y nht ca d liu, cht lng d liu, l lch d liu, trng thi d liu.v.v.



i vi ngi s dng d liu th nh c metadata m h c th a ra c quyt nh v vic s dng b d liu ny. i vi ngi qun l d liu th nh c metadata m h c th a ra c k hoch v vic bo tr v pht trin b d liu ny.

Trong nhng thi gian u tin nhiu ngi thng cho rng metadata kh l phin phc v h u min cng dng thi gian v cc ngun lc ca mnh xy dng metadata. n nay metadata l mt nhn t rt quan trng m bo s thnh cng ca mt h GIS cho mc ch s dng lu di. Metadata l mt ni dung thnh phn ca chun thng tin a l (ISO 19115).

+ Metadata gip cho vic qun tr d liu thnh cng hai lnh vc chnh: ++ Bo v d liu trong t chc ni b: Ging nh mt cun catalog,

thng qua metadata, ngi s dng trong t chc ni b c th thy c d liu no c th dng c, d liu dng vo mc ch g, v lm th no m c c n. iu ny lm hn ch ti a c s mt mt d liu hay to li cc d liu .

++ Tng cng kh nng chia s d liu: Metadata cng gip cho nhng ngi s dng gia cc b phn hoc t chc thy c d liu ca cc b phn hoc t chc khc mt cch y , r rng. iu ny lm tng cng hiu qu ca d liu .

+ Metadata gip chng ta hiu bit mt cch r rng v nhng d liu ang khai thc v qun l, v mt iu rt quan trng l khng ph thuc vo nhn s. Metadata c qun l v truy cp rng ri n ngi s dng. Ni dung chun ca metadata theo ISO 19115 bao gm:

Thng tin v b d liu Thng tin nhn bit (Identification): cha thng tin c bn nhn

bit ngun gc Thng tin v cc rng buc (c v php l v bo mt) Thng tin v cht lng d liu Thng tin v bo tr b d liu Thng tin v trnh by khng gian Thng tin v h quy chiu Thng tin v ni dung Thng tin v trnh by Thng tin v phn phi d liu



KT LUN V KIN NGH I. KT LUN

Mt trong nhng vn ct li xy dng chun ha d liu phi da trn cc c s php l v cc quy nh chung ca ngnh Ti nguyn v Mi trng. Khi tin hnh xy dng c s d liu cn bm st c cc vn mi m bo c yu cu thng nht chung v c s d liu ca ngnh

Cng tc xy dng chun d liu khng gian quy hoch s dng t l 1 trong nhng ni dung chnh nhm chun ha d liu ca ngnh Ti nguyn v Mi trng phc v cng tc qun l Nh nc v t ai v mi trng cp trung ng v cc a phng (cp tnh)

D liu khng gian quy hoch s dng t khi c chun ha phi m bo c a v trn mt d liu c s a l chung ( cng c s ton hc, theo mt nguyn tc chung v t c chnh xc cao nht)

Bn cnh cn thit lp cc d liu u vo mt cch y , y cng l yu t i n thnh cng. Khi c y thng tin d liu ta s c ti a phng n gii quyt vn , iu s tho g, khc phc c nhng thiu st m trong qu trnh trin khai mi gp phi. II. KIN NGH

D liu ha quy hoch s dng t cc cp c xy dng trn cc khun dng khc nhau, yu cu trc khi chun ha phi a v 1 khun dng chung l khun dng *dgn

Nhanh chng thit lp m hnh chun chung khng ch ring trong lnh vc ha quy hoch s dng t m trong cc lnh vc nh xy dng chun d liu khng gian ca bn nn, bn a chnh, h s a chnh v chun d liu v mi trng lm tiu ch chung thng nht c tiu chun quc gia v lnh vc t ai v mi trng nhm pht trin h thng ELIS, trong khun kh d n SEMLA.


Bia.docMUCLUC.DocMUCLUC_BAOCAOQH.DocVIETTAT.Docchuanhoa_23_04_2007.docb. Phng ch ting Vit: Vnfont.rsc.c. Th vin cc k hiu c lp *.cell. (Xa.cel, Huyen.cel, Tinh.cel, Vung250.cel).b. Hng dn s dng cc tp trong th mc HTSDDcho bn s- Chn, b, gin ho v tng hp cc yu t hin trng s dng t.+ Thu bn hin trng s dng t nm 2005 ca 64 tnh, thnh ph trc thuc Trung ng v kh A3.+ Thu bn hin trng s dng t nm 2005 ca 8 vng kh A3.+ Thu bn hin trng s dng t nm 2005 cc vng v kh A3.

LOI TLevel

Kiu i tngMURanh giiTrung tm hnh chnhTrung tm cm x, th tng giao thng v i tng lin quanThu h v cc i tng lin quanTrnh byLoi t

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