All Questions
5
questions
2
votes
1
answer
615
views
Convert image from EPSG:4326 to EPSG:3857
I'm new to GDAL and map projections, I need to convert equirectangular (EPSG:4326?) projection to "pseudo Mercator" (EPSG:3857?) projection used by 90% web-based maps (which is simple this 0/...
- 141
0
votes
0
answers
413
views
Converting WGS_1984_Web_Mercator_Auxiliary_Sphere to a lat long raster
I have a dataset I downloaded with the following attributes shown with gdalinfo. How can I convert it to a lat long based raster file?
Driver: GTiff/GeoTIFF
Files: d2wesri.tif
Size is 1300, 900
ERROR ...
- 101
2
votes
1
answer
760
views
Results of gdalwarp from UTM32 to EPSG:4326 are not aligned?
I've a Sentinel 2 jp2 in UTM32 with this metadata:
Files: T32UQD_20200421T102021_TCI_60m.jp2
Size is 1830, 1830
Coordinate System is:
PROJCS["WGS 84 / UTM zone 32N",
GEOGCS["WGS 84",
...
- 483
4
votes
1
answer
2k
views
How to convert a GeoTIFF from WGS84 to EPSG:3857 with gdalwarp?
I'm trying to convert images with WGS84 projection to EPSG:3857 but warp is not giving me a output I would expect.
This is my command:
gdalwarp -s_srs "+proj=merc +datum=WGS84" -t_srs "EPSG:3857" ...
- 41
5
votes
3
answers
2k
views
Converting Ordnance Survey raster maps to WGS84 webmap tiles
I would like to generate Google/Bing-like map tiles from Ordnance Survey's 1:25000 and 1:50000 raster maps, which are provided as 4000x4000 UK national grid tiles (GeoTIFF).
A sample tile can be ...
- 221