2
votes
1answer
85 views

How to preserve original resolution of scanned 1-bit PDF raster with gdal_translate?

I am using gdal_translate to convert non-spatial PDFs to non-spatial TIFFs (intended for subsequent manual georeferencing). This is my gdal_translate command: gdal_translate -of GTiff -sds -co ...
1
vote
2answers
78 views

Unsuccessfully trying to iteratively run gdal_polygonize in a batch file [closed]

Thanks in advance for your help with this. I've been reading, experimenting, and banging my head against the wall for a couple days on this, and could really use some assistance. This is my first ...
2
votes
1answer
78 views

Revert back from RGBA raster to original 1 band raster cell value

I have a number or single band raster grids that have been converted to RGBA (png). I no longer have access to the orignal single band raster data but have the png files. Is there a way to convert the ...
1
vote
0answers
222 views

QGis Save Raster as Rendered Image

In QGIS 1.9.0 Master, when you right click on a raster in the Layers Panel and select "Save As", you can select the output mode to be "Raw Data" or "Renedered Image". When selecting the Rendered ...