2
votes
3answers
109 views

How to apply a specific Rendering to an Image and export to JPEG?

We have a specific process which generate an interpolated single band 32-bit Float Raster in Erdas Imagine (.IMG) format. This process generates an image every hour. We wish to apply a specific ...
0
votes
1answer
189 views

How to run Layer Stack in Batch Mode with GDAL?

My goal is process fifteen Landsat-8 scenes with three bands. I need to rescale the pixel depth from 16 bit to 8 bit, stack three bands and mosaic all them. This job must be making via open source ...
2
votes
2answers
518 views

Issue Trying to create Zonal Statistics using Gdal and Python.

I am trying to create zonal statistics using Python and Gdal. I have a polygon shapefile and a raster file, and in order to do so, I am using a piece of code I found in StackExchange. The raster and ...
1
vote
1answer
485 views

Delineate polygonal catchment areas from a raster using open-source GIS

I'm 90% sure this basic question has been asked before but looking through the other posts I simply do not see a useful answer. I need to calculate polygonal(vector) catchment areas from a raster ...
2
votes
1answer
179 views

Tiling Rasters based on an existing Polygon Shapefile (Vector Grid)

I have a tile index representing the tile scheme used to tile Lidar data. I want to tile imagery rasters using the same tiling scheme. I have not found anyway using open source tools to tile a ...
4
votes
3answers
466 views

Where can I find a GDAL distribution with DWG support?

I want to use the GDAL utility ogrinfo with dwg files. Where can I find an GDAL distribution with a support for DWG files (read only)? DWG support is moved out of the normal GDAL/OGR source ...
3
votes
2answers
541 views

Can I create blended images with GDAL command line utilities?

I've written a program in Python with GDAL bindings that generates a single band georeferenced GeoTIFF as output. From there I use the GDAL commandline tool gdaldem to colorize that image to ...
3
votes
1answer
828 views

Open-source projects that use DotSpatial?

I'm intrigued by what I see with DotSpatial, mainly for its C# interface with GDAL. I've downloaded the source (and the 3.5 x86 package) and I'm a bit stuck with using the GDALHelper class to ...
2
votes
3answers
1k views

Creating GeoTiff from Tiff+WorldFile+Proj

I'm currently using the global mapper export function to convert my tiffs+worldfile+projection file to geotiff. Is there a commandline tool (for Linux) that lets me do the same thing? "gdaltranslate" ...