[vtkusers] Quick vtkImageViewer2 Reset Level question

[Shakes]

Thanks Bryn!

I love the additions to imageviewer2 class. I need most of those 
features. Will see if I can add it to my DGV program
<http://qcplusplus.sourceforge.net/> and replace imageviewer2.

Cheers
Shakes

Bryn Lloyd wrote:
> try this:
> 
>   vtkImageData *image = viewer->GetInput();
>   this->range = image->GetScalarRange();
>   this->SetColorLevel(0.5 * (range[0] + range[1]));
>   this->SetColorWindow(range[1] - range[0]);
> 
> 
> 
> 
> 
> If you want to have additional features, e.g.
>  1. moving between slices of a 3D image (up/down keys)
>  2. picking points in the image (e.g. seed points for segmentation)
> 
> then check out my little extension to vtkImageViewer2:
> 
> http://www.vision.ee.ethz.ch/~blloyd/ImageViewer
> 
> Some explanation about it's usage is in the header file: ImageViewer.h
> 
> 
> You can also have a look at this thread:
> http://www.vtk.org/pipermail/vtkusers/2009-March/100043.html
> 
> 
> 
> --Bryn
> 
> 
> 
> 
> 
> 
> Shakes wrote:
>> Hi Guys,
>>
>> I just wanted to reset the window/level in vtkImageViewer2 through the 
>> API (rather than relying on user to press 'r'). Whats the easy way of 
>> doing this?
>>
>> Looked everywhere. vtkImageViewer2 is within a QVTKWidget btw. Thanks 
>> in advance.
>>
>> Cheers
>> Shakes
>>
>> VTK 5.2.1, Qt 4.4.3
>>
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