I want to create very many ERDAS .img files using GDAL under C++. I don't want to have to process them all in ArcMap to create statistics for them (mainly because ArcMap fumbles when calculating statistics for very many input images in batch mode). I want to create the .img files complete with statistics calculated for each. I see python utilities for this, but nothing under the C++ API. Does anyone have a solution?
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What is the context? Are you making these datasets from scratch, or copying them from another source?– user10353Commented Feb 27, 2013 at 20:54
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1 Answer
GDALRasterBand::GetStatistics() should work for you after you create your datasets and bands, see:
http://gdal.org/classGDALRasterBand.html#a48883c1dae195b21b37b51b10e910f9b
if you are translating data, gdal_translate -stats forces calculation of stats.
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Sorry, was a typo. My link points to ComputeStatistics, Mike is right.– user10353Commented Mar 4, 2013 at 17:41
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I am creating these from scratch. I'll work with GetStatistics(). Thanks very much. Commented Mar 25, 2013 at 17:02