Shigar da hoton daga Google Earth zuwa buƙata tsarin

Bukatar: Muna aiki cadastre ta amfani da hoton Google Earth a cikin sifar da aka gabatar wanda ke da nauyi.

Matsalar: Tsarin kot ɗin da Stitchmaps ya zazzage yana cikin tsarin jpg, yanayin da ya kawo ba shi da goyan bayan Microstation

Mafita: Zazzage hoton tare da Stitchmaps, aiki tare da Google Earth tare da Microstation don shigo da kamarar yanayin da kuma ɗayan ɗayan.

Muna da sha'awar ecw saboda ba ta da ƙarin fayil ɗin georeference kuma inda 200 MB HMR ko Tiff zai iya auna nauyin 12 MB kawai ba tare da rasa inganci ba. Muna da Stitchmaps da Microstation PowerMap V8i, kamar yadda muke da shi zamuyi shi da wannan kodayake tare da wasu shirye-shiryen ana iya yin sa da ƙananan matakai.

Bari mu ga yadda aka yi:

 

1. Zazzage hoto. 

Mun yi wannan tare da Stitchmaps, kamar yadda bayani ya gabata a baya. Ban da cewa mun zana murabba'i mai dari a Google Earth, don haka a saka shi a cikin hotunan hotunan.

download image google duniya

A cikin Google Earth wannan an yi tare da >ara> Polygon, kuma a cikin salon mun zabi shaci tare da kaurin layi na 1.4 fari. Za mu yi haka kamar haka, tunda Microstation ba zai iya shigo da fayil din kml a cikin waɗannan sigar ba, sai dai tare da FME daga Taswirar Bentley. Amma sigar Powermap ba ya kawo wannan aikin, don haka don ƙirƙirar rectangle za mu yi shi ta hanyar zane a hoton.

2 Ƙirƙirar DNA wanda ba'a samu ba.

An halicce wannan ta hanyar yin Fayil> Sabo, kuma mun zabi iri na Seed3D. Shigo da hoton Google Earth baya aiki akan fayil na 2D.

download image google duniya

Sa'an nan dole ne mu ƙara haɓaka zuwa fayil ɗin, wanda aka yi tare da: Kayan aiki> Yan kasa> Zaɓi Tsarin Tsarukan

A cikin kwamitin mu zaɓa Daga Kundin, kuma tun da wannan lokacin muna sha'awar UTM 16 North, sa'annan muka zaɓi:

Laburare> Tsinkaya> Duniya (UTM)> WGS84> UTM84-16N

download image google duniya

Idan wannan shine tsarin da muke amfani da shi mafi yawa, za mu iya danna-dama kuma ƙara zuwa ga waɗanda aka fi so, don samun damar isa cikin sauƙi. Muna yin OK kuma riga an sanya fayil din mu.

3. imageauki hoto daga Google Earth

Don aiki tare da Microstation tare da Google Earth muke yi Kayan aiki> Tsarin ƙasa> Bi Google View World. Ta wannan hanyar, ra'ayinmu yana nuna abin da ke cikin Google Earth. Yana da sauƙi don daidaita arewa a can kuma ingantacciyar hanya.

Don shigo da hoton da muke yi Kayan aiki> Yan kasa> Kama Hoton Google Earth, mun danna kan allon sannan mu kammala turawa. Abin da muke da shi a can ba hoto bane, amma a tsarin samfurin dijital, tare da hoton a matsayin kayan kayan takalma.

download image google duniya

Don ganin hoton, muna gudanar da fassarar. Don kada in rikita inda maɓallan maɓallan suke, zan aiwatar da shi ta hanyar umarnin rubutu. Ayyuka> Maɓalli a> sanya duka santsi.  Duba cewa akwai akwatin da yake sha'awar mu. Wannan hoton, duk da rashin ƙuduri mara kyau, ana nuna shi sosai.

download image google duniya

4. Raunin hoto

Don wannan, da farko, zamu sanya maki a cikin kusurwar hoton hoto. Ana yin wannan tare da umarnin maki, za mu yi su a cikin kore, tare da kaurin wakilin kuma ta hanyar da ta dace kamar haka ana iya ganin kusurwar murabba'i mai dari. Idan muka rasa hoton, za mu sake aiwatar da umarnin, kuma ba mu damu da kasancewa daidai ba, muna tuna cewa daidaito na Google Earth Ya fi muni da abin da za mu iya rasa a nan.

Da zarar an yi maki, mun saka jigo na jpg wanda muka sauke tare da Stitchmaps:  Fayil> Raster Manager, sannan a cikin kwamitin da muka zaɓa Fayil> hašawa> Raster. Kar mu manta barin zaɓi yana aiki Sanya Hanya, saboda za mu shigar da shi da hannu.

Mun sanya shi a cikin akwatin akwatin launin toka, don haka za mu iya shimfiɗa shi daga can. 

Haka nan, muna sanya maki zuwa kusurwar murabba'i mai dari wanda yake cikin hoton launi. Za mu yi waɗannan a jan don lura da bambanci.

A ƙarshe za mu sami irin wannan:

download image google duniya

Don shimfiɗa hoton, daga Raster Manager panel, muna danna danna kan hoton, za mu zaɓa Warp, tare da hanyar Rawa na fiye da maki 3. Sannan zamu zabi kowane kusurwa, mai nuna asalin asalin (ja) zuwa wurin da aka nufa (koren) kuma idan dukkan su hudu suna wurin, mun latsa linzamin dama.

download image google duniya

5. Canza hoton daga jpg zuwa ecw

Anyi, yanzu hoton jpg ɗinmu yana georeferenced. Don adana shi a wata hanyar, zaɓi shi, danna maɓallin linzamin dama ka zaɓi ajiye as. Zamu iya zaɓar daga tsari da yawa, gami da masu daraja ecw cewa basu da sifofin Microstation. 

Kuma a karshe muna da abin da muke buƙata, rawanin 24 MB a girman, tare da akwati na sha'awar nauyin 1225 a kowace gefe, a shirye don aiki.

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