Tengani chithunzi kuchokera Google Earth kuti ecw apange

Chosowa: Timagwira ntchito ya cadastre pogwiritsa ntchito chithunzi cha Google Earth mu fomu ya georeferenced yomwe ndi yopepuka.

Vuto: The ortho yomwe imachepetsa Stitchmaps pansi pa jpg mtundu, georeference yomwe imabweretsa sizimathandizidwa ndi Microstation.

Yankho: Tsitsani chithunzichi ndi Stitchmaps, synchronize Google Earth ndi Microstation kuti alowere georeferenced kukamenyana wina ndi mnzake.

Tili ndi chidwi chofuna ECW chifukwa ali zina georeference file ndi kumene HMR kapena Tiff 200 12 basi kulemera MB MB popanda kutaya kwambiri khalidwe. Ife StitchMaps ndi Microstation PowerMap V8i, pokhala chimene ife tidzachita ndi imeneyi ngakhale mapulogalamu ena chikanakhoza kuchitidwa ndi masitepe ochepa.

Tiyeni tiwone momwe izo zikuchitikira:

1. Kujambula kwazithunzi.

Izi tachita nazo Makhalidwe, monga tafotokozera kale. Kupatulapo, takhala tikujambula kachilomboka mu Google Earth, kotero kuti imalowetsedwe mu zithunzi.

download google earth image

Mu Google Earth izi zatha Yonjezerani> Polygon, ndipo mumasewera timasankha mkhala ndi mzere wolowa woyera 1.4. Izi tidzatero, chifukwa Microstation silingalembe mafayilo a kilomita m'mabuku awa, kupatula ndi FME kuchokera ku Bentley Map. Koma Baibuloli Powermap Sibweretsa zotsatirazi, kotero kuti tipange makositomala kuti tifunikire kuzijambula.

2. Pangani kugwedeza kwa georeferenced.

Izi zimapangidwa ndi kuchita Foni> Yatsopano, ndipo tinasankha mbewu ya Seed3D. Kutumiza zithunzi kuchokera ku Google Earth sikugwira ntchito pa fayilo ya 2D.

download google earth image

Ndiye tiyenera kuwonjezera georeference ku fayilo, zomwe zimachitika ndi: Zida> Geographics> Sankhani Coordinate System

Mu gulu lomwe timasankha Kuchokera ku Laibulale, ndipo pakadali pano tikufuna malo a UTM 16 North, ndiye timasankha:

Laibulale> Yoyendetsedwa> Dziko (UTM)> WGS84> UTM84-16N

download google earth image

Ngati iyi ndiyo njira yomwe timagwiritsira ntchito kwambiri, tikhoza kuwunikira pomwe ndikuwonjezera kuzokondedwa, kuti titha kulowera mosavuta. Ife timatero OK ndipo fayilo yathu tsopano ndi georeferenced.

3. Tengani chithunzi cha Google Earth

Kuti tigwirizane ndi Microstation ndi Google Earth timachita Zida> Geographics> Tsatirani Google Earth View. Mwanjira iyi, malingaliro athu akuwonetsa zomwe ziri mu Google Earth. Ndibwino kuti tidziwone kumpoto kumeneko ndi njira yolandirika.

Kutenga chithunzi chomwe timachita Zida> Geographics> Landirani Google Earth Image, timangodutsa pazenera ndikukwaniritsa kutumiza. Chimene tili nacho palibe chithunzi, koma a chitsanzo chapamwamba cha digito, ndi chithunzi ngati katundu wa nsapato.

download google earth image

Kuti tiwone chithunzichi, timapereka ndondomekoyi. Kuti musapangitse kuti mabataniwo aperekedwe, ndidzachita izo pogwiritsa ntchito malemba. Zida> Zowunika> zimapangitsa kuti zonse zikhale zofewa. Onani kuti pali bokosi limene limatikonda. Chithunzicho, ngakhale kuti sichinasinthe, ndi georeferenced.

download google earth image

4. Kusintha fanolo

Kwa ichi, poyamba, tipanga mfundo m'makona a chithunzi cha georeferenced. Izi zimachitika ndi madontho a madontho, tidzawachita ndi mtundu wobiriwira, ndi makulidwe a nthumwi ndi njira yoyenera kuti pangodya pangodya. Ngati tataya fanolo, timapereka lamulo loperekanso, ndipo sitidandaula kuti tikhala otere, timakumbukira kuti kulondola kwa Google Earth ndi zoipa kuposa zomwe tingathe kutaya pano.

Pomwe mapepala apangidwa, lembani jpg chithunzi chimene tachilandira ndi Stitchmaps: Foni> Wowonjezera Wowonjezera, ndiye pa gulu lomwe timasankha Foni> yikani> Yowonjezera. Musaiwale kusiya njira yogwira ntchito Lembani Mwachangu, chifukwa tidzalowa mwadongosolo.

Timayika mkati mwa bokosi la chithunzi cha imvi, kuti tithe kutambasula kuchokera pamenepo.

Mofananamo, timapanga mfundo pamakona a timapepala omwe ali mu fano. Izi zidzachitidwa mofiira kuti zikazindikire kusiyana kwake.

Pomaliza tiyenera kukhala ndi chonga ichi:

download google earth image

Kutambasula fano, kuchokera ku Raster Manager panel, tikuwombera kumene pa chithunzicho, timasankha m'litali, ndi njirayi Affine zoposa zizindikiro za 3. Kenaka musankhe ngodya iliyonse, yosonyeza kuti chiyambireni (chofiira) kupita ku malo omwe akupita (wobiriwira) ndipo pamene ali kale anayi timapanga batani labwino la mbewa.

download google earth image

5. Sinthani chithunzi kuchokera ku jpg mpaka ecw

Chabwino, tsopano wathu jpg chithunzi ndi georeferenced. Kuti mupulumutse mu mtundu wina, sankhani, dinani pomwe ndikusankha sungani monga. Titha kusankha kuchokera ku maonekedwe ambiri, kuphatikizapo amtengo wapatali ecw kuti iwo analibe mabaibulo a Microstation.

Ndipo potsiriza tili ndi zomwe timafunikira, kukula kwa 24 MB raster, ndi bokosi la chidwi chathu cha mamita 1225 mbali iliyonse, okonzeka kugwira ntchito.

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