[vtkusers] volume cropping

[Bill Lorensen]

If you remove the cropping, do you see the entire volume?

On Thu, Sep 6, 2012 at 8:18 AM, qlizhi <qlizhi at gmail.com> wrote:

> **
>  Hi All,
> I'm trying to take a vtkImageData volume and crop it with the below codes:
> (the volume data is headsq/quarter)
>
>  vtkSmartPointer<vtkVolumeRayCastMapper> volumeMapper =
> vtkSmartPointer<vtkVolumeRayCastMapper>::New();
> volumeMapper->SetInput(v16->GetOutput());
> volumeMapper->SetVolumeRayCastFunction(rayCastFunction);
> volumeMapper->CroppingOn();
> volumeMapper->SetCroppingRegionPlanes(10,33,10,33,10,33);
> volumeMapper->SetCroppingRegionFlagsToSubVolume();
>  But what i get is an black widget ???
> Best Regards,
>
> ------------------------------
> qlizhi
>
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