Ua ib cov struts qauv (DTM / DTM) nrog Microstation thiab calzarle ib orthophoto

Yav tas los peb tau pom tias ua li cas MDT tau ua tiav, thiab nkhaus nrog AutoCAD los tsim kab contour.

Cov kev pabcuam zoo tshaj plaws los ua qhov no yog GeoPack, los ntawm Microstation, uas yog sib npaug rau Civil3D los ntawm AutoDesk, nws tseem tuaj yeem ua nrog Descartes, qhov sib npaug rau AutoCAD Raster Design. Nrog cov kev pab cuam no ib qib ntawm cov kauj ruam tau txais kev cawmdim tab sis qhov no peb yuav ua tsuas nrog Microstation V8.

1. Lub hauv paus ntaub ntawv

Peb yuav siv cov ntaub ntawv uas twb muaj ib qho mesh ntawm cov ntsiab lus hauv peb qhov loj, hu ua 220_Points.dgn, peb tau yav tas los tham txog li cas koj tuaj yeem tau import lub mesh ntawm xyz ntsiab lus los ntawm ib lub thawv Excel rau Microstation. Peb taug kev thiab qhib "Cov ntsiab lus” raws li tus qauv ua qauv.

2. Generating tus qauv qauv

• Peb tsim ib txheej tshiab hu ua DTM
• Xaiv cov xim thiab hom kab
• Peb ua tus khiav qib
• Peb xaiv tag nrho cov ntsiab lus thiab ntaus hauv cov ntawv hais kom ua bar (tshwj xeeb / qhov tseem ceeb-hauv) "mdl thauj facet;", tsis muaj quotes
• Tom qab ntawd hauv lub npov nram no peb xaiv lub tab XY Cov Ntsiab Lus thiab qhib "Expand rau Rectangle”, kos rau lub laj kab qhov twg peb xav kom lub cev ua peb cheeb tsam qauv

• Tam sim no peb nias lub pob "Triangulate XY Points ”

• Ib qho kev qhia yog los siv qhov kev tawm tsam ntawm cov lus siv keyboard: mdl thauj facet;. Qhov no yuav tsim cov txiaj ntsig zoo ib yam, tshem tawm qhov yuav tsum tau qhib lub thawv dialog. Nws yog qhov tseeb tias cov keyboard nkag no yuav siv lub xeev tam sim no (on / off) ntawm "Expand rau Rectangle”.
• Thaum lub sijhawm txheej txheem, MicroStation tseem yuav qhib qhov ncauj me me qhov rai thiab qhia peb qhov tseem ceeb ua ntej los ntawm cov ntawv nram qab no:
  V - Tus nab npawb ntawm cov hauv qab lub caij ua.
  F - Cov xov tooj ntawm cov ntsej muag lossis cov vaj tse nyob rau hauv lub hauv paus uas tshwm sim.
  C - Cov naj npawb ntawm cov khoom siv zis mesh. Rau qhov txheej txheem kev sib tw, qhov nqi no yuav tsum yog 1.

3. Configuring teeb pom kev zoo kom kav

Peb yuav ua tus txheej txheem ntawm cov av, ua ntej yuav muab cov orthophoto rau.
Yuav kom tau txais txiaj ntsig zoo ntawm qhov qauv no, peb yuav xub hloov tag nrho cov duab taws.

• Peb xaiv "Cov cuab yeej / Visualization / Rendering / Ntiaj teb teeb pom kev zoo” thiab nyob rau hauv lub thawv uas tau tshwm sim peb hloov kho qhov tseem ceeb kom lawv sib npaug li cov duab nram qab no.

• Txhawm rau ua qhov saum npoo, los ntawm tib lub cuab yeej, xaiv "Render” thiab kho qhov tseem ceeb raws li nram no:
  Target = Saib, Kav hom = Smooth, thiab Shading Type = Qub.
  Nkag mus rau ib qho chaw hauv isometric saib thiab qhuas koj cov qhab nia.

4 Chaw thau cov duab raster rau microstation

• Los ntawm Raster Manager, xaiv "Cov ntaub ntawv / Txuas” thiab xaiv "220_Ib.jpg”. Cov duab no yog georeferenced, yog li nco ntsoov uncheck "Qhov chaw sib tham sib” ntawm qhov "link" dialog box.

Peb tau txais cov ntaub ntawv nram qab no ntawm cov khoom ntawm daim duab:

• Peb rov qab mus rau qhov chaw siv los ntawm Raster Manager. Peb mus rau lub tab "Qhov chaw” thiab cim cov ntaub ntawv hauv qab no:
• Qhov ntev - Qhov no yog qhov loj ntawm qhov kev pab cuam uas cov duab tau, 5,286 meters dav thiab 5,228 meters siab.
• Pixel loj (Pixel loj me) - Qhov no yog qhov loj me me, nyob rau hauv cov koog loj. Peb cov duab muaj pixel loj ntawm 1 meter.
• Keeb kwm (Qhov chaw) - Qhov no yog qhov chaw XY hauv sab qis sab laug ntawm daim duab. Yog li ntawm sab laug ces kaum ntawm daim duab nyob hauv XY = 378864.5, 5993712.5

5. Tsim cov khoom raws li Aerial photography (Ortopoto)

Cov tswv yim tsim cov ntaub ntawv yog qub hauv Microstation, xws li ua piv txwv los ua cov ntawv pov thawj; nyob rau hauv cov ntaub ntawv no peb yuav siv nws kom nws zoo li cov khoom uas peb yuav siv rau kav yog lub orthophoto raws li lwm cov dluab nyob rau hauv daim ntawv ntawm ib tug patron yog siv.

• Los ntawm lub toolbox "RenderingTools", peb xaiv "Txhais cov ntaub ntawv”.
• Thaum koj nkag mus rau qhov kev sib tham no thawj zaug, MicroStation yuav populate sab laug nrog rau kev nkag teb chaws uas sib npaug rau cov ntaub ntawv lub npe. Qhov nkag no yog pib ntawm a khoom rooj (cov lus caij nyoog) uas yog cov ntaub ntawv nrog kev txuas ntxiv .mat. Ib cov ntaub ntawv khaws cov khoom xa tawm rau cov khoom hauv cov ntaub ntawv uas muaj cov qib qis thiab tseem muaj xim tshwj xeeb.

• Los ntawm cov ntawv qhia zaub mov bar, xaiv "Palette> Tshiab”
  MicroStation teb los ntawm kev ntxiv "Tshiab Palette (1)” nyob rau hauv lub rooj ntawm cov ntaub ntawv.
• Peb hloov lub npe no li "PhotoDrape” xaiv "Palette / Txuag Raws li ", los yog los ntawm txoj cai rau ntawm qhov nkag thiab xaiv 'Txuag li ntawm daim ntawv.
  Los ntawm ua qhov no, MicroStation tsim ib cov ntaub ntawv palette, uas muaj kev txuas ntxiv .pal.

 
• Txhawm rau tsim cov khoom peb qhib lub pob "Cov khoom siv tshiab” thiab peb hloov npe " Khoom siv tshiab (1) ” raws li "Huab cua"
• Txhawm rau muab daim duab saum toj saud ua cov khoom siv, nyem rau ntawm lub cim me me uas tseem ceeb hauv daim duab hauv qab no thiab xaiv "120_Ib.jpg”.

 

 

• Tam sim no peb siv cov ntaub ntawv peb tau txais los ntawm daim duab:
• “Mapping” mus rau "Elevation drape "
  X Loj = 5286 thiab Y Loj = 5228
  Offset X = 378864.5 thiab Offset Y = 5998940.5

• Peb kaw qhov "tus qauv" dialog thiab txuag cov kev hloov pauv los ntawm nias lub "Txuag” hauv "Material Editor" dialog box.

6. Tau txais cov duab Aerial Photography (orthophoto) mus rau DTM ua tus kav

 
• Peb kaw lub "Material Editor" dialog box thiab xaiv "Siv cov khoom siv” los ntawm toolbox "Rendering cuab yeej”.
• Peb tau soj ntsuam kom muaj qhov palette tseeb thiab xaiv cov ntaub ntawv raws li qhia nyob rau hauv daim duab nram qab no.

 

• Peb nias "Muab los ntawm Qib / Xim” thiab xaiv lub mesh keeb uas sawv cev rau ntawm thaj chaw.
• Los ntawm lub toolbox "Rendering Tool, peb xaiv cov cuab yeej "Render” thiab kho qhov tseem ceeb raws li nram no:
  Target = Saib, Kav hom = Smooth, thiab Shading Type = Qub.
• Tam sim no peb qhib cov isometric saib thiab yog nws.

Rau no ncej peb siv ib txoj kev qhia los ntawm Jorge Ramis nyob rau hauv ib nplooj ntawv qub uas yog Geocities uas tsim nyog tau txais kev cawmdim vim tias muaj ib hnub no Yahoo disappears cov kev pab no, qhov no tau txhais los ntawm Askinga.

Feem ntau tsis ntev los no ntawm Microstation muaj kev ua haujlwm ua li no dluab ntawm Google ntiaj teb thiab tseem Bentley muaj cov kev siv nrog rau tej lub peev xwm rau tus tuav ntawm cov qauv kab qauv.