* Ken Mankoff <[email protected]> [2018-05-19 11:35:23 +0200]:
Hi GRASS List, I've just spent 30 days on a field campaign collecting data. I have a large amount of it in a GRASS mapset with location EPSG:3413. I'd like to set up a new location with (0,0) centered on our basecamp and everything nearby relative to that. Can someone advise how to use "proj" to create a new location centered on either a (lon,lat) location but with units meter, or centered on an (x,y) location from a different projection? The reason for this is so I can push data to ParaView which doesn't work well with coordinate systems far removed from the origin.
Ken, some starter idea (?) # create an unprojected XY location grass -c /grassdb/xy # import an 256 by 256 sized (unprojected) TIFF r.external input=SomeTIFF out=SomeTIFF # re-set SomeTIFF's region r.region n=128 s=-128 w=-128 e=128 Now (0,0) is in the center of the image. Nikos
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