Tagged Questions
0
votes
2answers
60 views
How do I reproject one raster to match another's in GRASS
I have two raster layers, A and B, which have information about the same location but have different projections and datums.
How can I reproject layer A to match the projection and datum of layer B?
...
3
votes
1answer
150 views
How to reproject a raster to Winkel Tripel projection?
I'm trying to project a raster map (in ASCII grid format) from longlat to the Winkel Tripel projection. But I'm running into errors, for instance gdalwarp won't accept the proj-string.
$ gdalwarp ...
5
votes
1answer
189 views
Is it possible to use the Goode Homolosine projection in QGIS?
Is it possible to use the Goode Homolosine projection in QGIS? Both QGIS and GRASS seem to have trouble with the interruptions, squashing the higher latitudes together. I tried +proj=goode ...
5
votes
6answers
366 views
Southern hemisphere projections for Landsat upsets GRASS
Hi All
does anyone have the last word on why Landsat scenes don't project in the southern hemisphere. This causes no end of trouble in GRASS, less so in QGIS.
What I mean is, take an original scene ...
4
votes
2answers
530 views
What's a good toolchain to reproject some PNGs in plate carre to UTM?
I have some PNGs produced from Canadian DEM data. They're 1201px by 1201px heightmaps. Each one represents one quarter of a degree latitude and one quarter of a degree longitude.
But I want to work ...
5
votes
1answer
417 views
What is north-up projection?
How do I know what projection to use for north-up or 0 rotation? I have a gtiff (ND83-nf) that gives me the error when importing to Grass. Should I re-project or recreate the image with the rotation ...
