All Questions
528
questions
0
votes
0
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49
views
Reproject pseudo Plate-Carree to "Icosahedral Snyder Equal Area" using GDALWARP
Reproject pseudo Plate-Carree to "Icosahedral Snyder Equal Area" with gdalwarp.
I am trying to reproject a plate-carree to ISEA "Icosahedral Snyder Equal Area".
I suspect ISEA ...
- 35
1
vote
2
answers
79
views
Use gdal_translate on an orthographic PNG image of the Earth centered at Lat=+50N Lon=+5E to proper orthographic GeoTIFF format
How do I gdal_translate an orthographic PNG image of the Earth centered at Lat=+50N Lon=+5E to proper GeoTIFFf format ?
I cannot work out how to specify the limits of a full disc. (diameter of Earth ...
- 35
1
vote
0
answers
52
views
Cropping VRT with Shapefile to create new VRT with no dependecy from input
I'm new to work with gdal and I'm trying to crop a VRT-File with a shapefile to create a new VRT-File that is independent from the input.
I use gdalbuildvrt [...] to create the base VRT-File from ...
- 11
0
votes
1
answer
79
views
GDAL: GFS weather model reprojection issues
I'm trying to reproject a grib file using gdal.
The crib file has the following,relevant, info:
GEOGCRS["Coordinate System imported from GRIB file",
DATUM["unnamed",
...
0
votes
0
answers
110
views
Error trying to translate raster image from EPSG:3857 to EPSG:3068 with GDAL with subwindow
I'm new with this GIS stuff and starting work with GDAL.
I'm using this TMS dataset and trying to project to a specific subwindow like this:
<GDAL_WMS>
<Service name="TMS">
...
0
votes
0
answers
44
views
How to use gdal exceptions in .NET?
I'm converting a .vrt to a .tif with Gdal.wrapper_GDALWarpDestName(). I know the .vrt has been calculated to a size that causes an integer overflow error during warping because the command line ...
- 535
0
votes
0
answers
55
views
Warp result of GDAL translate jpg to geotiff using osgeo.gdal
I am attempting to warp a geotiff created from gdal.Translate where the original file was a jpg. I first obtain the ground control points from a co-located text file. The results of gdal.Translate ...
- 111
1
vote
0
answers
101
views
Warnings on converting NetCDF using gdalwarp
I have a curvilinear NetCDF file, which currently has a single time step (for a mean across time). The variable I am looking at is DIC at a single depth.
I am trying to convert this NetCDF file to ...
- 11
0
votes
0
answers
67
views
GDAL warp removing half of the map
I am using gdal warp to transform a geotiff between espg:4326 to epsg:3857, I have successfully done this previously on similar images but with the current geotiff it doesn't seem to be working. I am ...
1
vote
1
answer
159
views
Converting map from 0 to 360 to -180 to 180
this is second part of How to convert VICAR data to TIFF.
I was able to get the VICAR data into TIFF form by using VICAR2isis to make a .cub then gdal to make a tiff. (Yes i eventually found out I ...
- 63
0
votes
1
answer
184
views
Passing geometry dataset type to gdal.Warp() for a clip operation - order of operations and file type confusion
Trying to wrap my head around the correct order of operations and file type(s) required by gdal.Warp().
I have a valid geometry object created from the shapely object.unary_union.convex_hull method. ...
- 109
1
vote
0
answers
35
views
Bad values with gdalwarp and "aliased" coordinate transformation
I've strange values using gdallocationinfo on vrt with coordinate system transformation.
Here is my use case, maybe you can help to understand what I did bad or misunderstood
1) I've got a bunch of ...
- 61
1
vote
2
answers
416
views
QGIS 3.28 - cannot find GDAL commands / MacOS 12.5
I am having trouble linking QGIS to GDAL since a few versions (just updated to 3.28 hopping it would solve the problem but it didn't). For instance, a Wrap function returns this error:
GDAL command ...
- 160
1
vote
2
answers
263
views
Reprojecting each tif located in Folder Directory using GDAL in Python [closed]
Python beginner here. I am using python to reproject a folder of rasters (.tifs). Each raster has a projection that I want to change to WGS 1984 (espg:4326). I want to use an open-source GIS library ...
4
votes
1
answer
187
views
gdalwarp sum resampling algorithm double counting at some specific resolutions
GDALWarp utility is double-counting my pixels in the sum algorithm for resampling in some cases. I don't believe it's something I'm obviously doing wrong.
I have a file, at 30 arcsecond resolution for ...
- 323