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distinctive points or markings (on the ground), whose positions (coordinates) are known and which are visible on photos or images -- used to help correctly position the photography or imagery for mapping or GIS

0 votes
1 answer
204 views

How to give a coordinate to *.tif?

I have a *.tif, vintage aerial photo. Also, there is a metadata with coordinate information corresponding to the aerial photo. I would like to give that coordinate to the .tif. First of all, When I us …
Changwan Sun's user avatar
1 vote
0 answers
5k views

The transformation is already "north up" or a transformation between pixel/line and georefer...

I tried to warp a raster image, a old airplane image, for projection by using gdalwarp. My code: gdalwarp -t_srs '+proj=utm +zone=52 +datum=WGS84' 1954_airplane_photo.tif air_warp.tif But, I had this …
Changwan Sun's user avatar