Re: [gdal-dev] gdal_rasterize not masking float data

2009-09-17 Thread Ned Horning
enough to access the original (.img) image data. It appears to be working properly. Now I'll test it on a 9-band image. Sorry for the noise. Ned Ned Horning wrote: Hi - I am trying to use a shapefile as a mask for a 32-bit float single band image in ERDAS img format. When I view the result

[gdal-dev] gdal_rasterize not masking float data

2009-09-17 Thread Ned Horning
Hi - I am trying to use a shapefile as a mask for a 32-bit float single band image in ERDAS img format. When I view the result after running gdal_rasterize it does not appear to have changed the values in the image that correspond with the polygons in the shapefile. When I converted the image (

[gdal-dev] gdal_merge error with large 16 bit images

2009-03-23 Thread Ned Horning
Greetings, I am having trouble running gdal_merge on large unsigned 16 bit imagery. I am using the OSGeo4W installation of gdal_merge.py. When I run it on 8-bit unsigned GeoTiff imagery (Landsat TM) the program works as expected. When I run it on two small 16-bit unsigned int GeoTiff subsets