Hey,

I have two questions.


1.       I have 32bit float rasters that I'm trying to merge.  GDAL_merge does 
not seem to set the output nodata to the first input raster nodata value.  
There is a -n option, but the nodata value for a 32bit float is 
-3.4028235e+038.  Entering in this value with -n does not set the nodata value 
in the output tif.  Is there another way to express this value that gdal_merge 
understands?

2.       Is there a way for gdal_merge to automatically calculate the 
statistics on the output tif?  I have had issues with this before when writing 
out tif rasters with GDAL (c++).

Thanks,
--Keith Olsen


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