All Questions
13
questions
1
vote
0
answers
32
views
Tile GeoTIFF images in locations far from each other in one layer
How to tile two aerial TIFF images from two cities in one layer?
I understand that first, I should create a virtual layer (vrt) and then tile it after reprojection. However, gdal2tile creates too many ...
- 43
0
votes
0
answers
195
views
gdal2tiles.py Only Creating Images for Max Zoom
I set off some tasks running gdal2tiles.py for certain rasters with a zoom range of 8-20. To my dismay I return the next day to find only images for zoom level 20 have been created. I understand that ...
- 77
1
vote
1
answer
729
views
gdal_edit not find as internal command in Python
I am writing the geoinformation using the gdal_edit command using python in Jupyter notebook. Below is the syntax.
!gdal_edit -a_ullr -1.149576 85.247405 -92.762859 88.022318 -a_srs "+proj=...
- 83
2
votes
1
answer
318
views
Issue creating tiles from GeoTIFF which crosses the 180th Meridian
I've included more information and the scripts that were used to generate the output.
Example results can be found here at the links below and are all generated from the same original GeoTIFF. Each ...
- 141
2
votes
1
answer
4k
views
Converting GeoTIFF to tiles using gdal2tiles
I have a GeoTIFF of weather radar data that I cannot seem to get converted to a raster tileset using gdal2tiles. When the tileset is generated, there are TONS of empty folders in the output directory, ...
- 252
1
vote
1
answer
470
views
Trying to make calculation with gdal_calc.py?
I have a tif image that I'm trying to run gdal_calc.py.
In the source file the values are between 1,118-9,704 and I want to divide all the values by 10,000 to get results between 0-1.
This is the ...
- 13
3
votes
0
answers
1k
views
Subdividing large files due to gdalwarp - too big image size
I can't figure out how to warp a large file (2GB+) with no specified to CRS, to a specified CRS - I keep getting a "Too big image size" error.
For context, I want to take large NITF files, warp them ...
- 131
1
vote
0
answers
414
views
Plain image to GeoTiff using GDAL
See the bug I posted at GDAL for details and a sample image.
In summary I used the QGIS georeferencer plugin to georeference a plain image file, then use gdal2tiles on it but I get an error. I took ...
- 11
10
votes
2
answers
15k
views
How to use gdal2tiles on a custom tiff image recieved from providers to generate tiles
I have been struggling a bit to generate tiles for a high-resolution image that we have. The current image we have is a very large (+20GB) image, saved as a GeoTiff file.
I would like to generate ...
- 123
2
votes
0
answers
1k
views
Unable to generate tiles using gdal2tiles.py for a single band gray image
I am using and playing around with Cesium at the moment, and I am enjoying the functionality so far. I am trying to provide my own imagery to Cesium with the TMS imagery provider:
imageryProvider: ...
- 123
4
votes
0
answers
3k
views
How to make NoData transparent?
I have been using python to turn a netcdf into a geotiff.
Once I have the geotiff, I am using gdalwarp to transfer it into the right projection. Then use gdal_translate to get the tif into a vrt file....
- 173
2
votes
1
answer
1k
views
GDAL tiling with a lot of MrSID files
I'm trying to generate tiles for a region with a surface of 85k km2. The data source are MrSID files (2734 files). I'm using gdal to achieve this task.
It works fine with a small subset of MrSID, but ...
- 461
3
votes
2
answers
7k
views
GDAL2Tiles: MapTiles from BSB/KAP are Switched
As an example I have a BSB file from NOAA which is a navigational map. The map has a SRS of WGS84 and a Mercator projection.
I initially translate the file from BSB format to GTiff format using the ...
- 133