Re: [gdal-dev] gdalwarp results differ in different gdal versions?

2020-05-08 Thread Meghan Burris
That is correct, my image is a Mars southern pole image. Those radii are pulled from another file but I have run the command with the +a/b being in meters, specifically 3396000 and I still get the same result (missing polar information). I have also run the command using -wo SAMPLE_GRID=YES and

[gdal-dev] gdalwarp results differ in different gdal versions?

2020-05-08 Thread Meghan Burris
Hello! I'm hoping someone can shine some light in my direction because I can't find any answers. I'm trying to warp a Polar Stereographic image into an Equal Cylindrical projection. When I run the gdalwarp command on older versions (specifically 1.8.1), my image looks as I would expect. When I

Re: [gdal-dev] [EXTERNAL] Change an image from 0-360 to -180 to 180

2019-04-24 Thread Meghan Burris
; use all the time, but this page (listed next, which also lists this VRT > method) has a couple other options: > > https://gis.stackexchange.com/questions/37790/how-to-reproject-raster-from-0-360-to-180-180-with-cutting-180-meridian > > > good luck, > Trent > > On Wed, Apr 24, 201

[gdal-dev] Change an image from 0-360 to -180 to 180

2019-04-24 Thread Meghan Burris
Hello, I have an image that is 0-360 degrees but I want to visualize it in -180 to 180 degrees. Everything I try makes the western hemisphere (-180-0) completely black, so half the map doesn't get displayed. Any chance there is an easy fix to this? Thank you so much for any help! - Em