[vtkusers] Merging/combining vtkImageHistogramStatistics from multiple images

[David Gobbi]

On Thu, Oct 20, 2016 at 1:31 AM, Elvis Stansvik <
elvis.stansvik at orexplore.com> wrote:

>
> I know I can just sum the histogram arrays (available as a
> vtkTypeIdArray through vtkImageHistogramStatistics::GetHistogram), but
> I thought I should ask first: Is there some built-in way of "merging"
> several vtkImageHistogramStatistics? Or some other better approach
> which I haven't thought of?
>

Summing the arrays is the way to go, vtkImageHistogramStatistics takes a
single image input.

 - David
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