[gdal-dev] RFC 57: 64-bit bucket counts for histograms

Even Rouault even.rouault at spatialys.com
Wed Apr 8 07:05:41 PDT 2015


Daniel,

> No comment on the actual change which sounds fine to me.
> 
> However, could we add a "Version: ..." field to the header of RFCs to
> make it easier to track down the version to which a RFC applies? I saw
> that you indicate the version in the status field after a RFC has been
> implemented, but while it's in draft and during the discussion phase
> there is no indication of the target version.

Sure, added

> 
> In this specific case, I presume it is a V2.0 change since it breaks
> API/ABI compatibility, right? Same comment for the Date/Time RFC that
> was discussed earlier this week.

Yes, v2.0 target

Even

> 
> Thanks
> 
> Daniel
> 
> On 2015-04-07 3:33 PM, Even Rouault wrote:
> > Hi,
> > 
> > This is a call for discussion on "64-bit bucket counts for histograms"
> > (last one for today ;-) and hopefully a no-brainer)
> > 
> > https://trac.osgeo.org/gdal/wiki/rfc57_histogram_64bit_count
> > 
> > Summary :
> > 
> > This RFC modifies the GDALRasterBand GetHistogram(),
> > GetDefaultHistogram() and SetDefaultHistogram() methods to accept arrays
> > of 64-bit integer instead of the current arrays of 32-bit integer for
> > bucket counts. This will fix issues when operating on large rasters that
> > have more than 2 billion pixels.
> > 
> > Even

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