[vtkusers] vtkImageMapToColors vtkWindowLevelLookupTable

[David Gobbi]

Please excuse my typo.  I meant "colors are left as (0,0,0,0)", not "colors
to left as".

On Wed, Mar 1, 2017 at 6:54 AM, David Gobbi <david.gobbi at gmail.com> wrote:

> Hi Shark,
>
> Glad that you sorted it out.  Your fix looks sensible, given the way that
> the bug works. Essentially, the "under" and "over" colors to left as
> (0,0,0,0) in certain circumstances, instead of being set to the "min" and
> "max" colors.  Directly calling SetTableValue() is a work-around.
>
> Cheers,
>  - David
>
> On Wed, Mar 1, 2017 at 6:39 AM, Shark <m.nunes at fratoria.com> wrote:
>
>> David, your tip was useful to come up with a fix.
>>
>> Apparently got it working by adding SetTableValue in:
>>
>> Lookup->SetMinimumTableValue(0, 0, 0, 1);
>> Lookup->SetMaximumTableValue(1, 1, 1, 1);
>> Lookup->SetTableValue(0, 0, 0, 0, 1);
>> Lookup->SetTableValue(1, 1, 1, 1, 1);
>> Lookup->Build();
>>
>> Let me know if there is a more logical/correct fix.
>>
>> Thank you again,
>> Shark
>>
>>
>>
>> --
>> View this message in context: http://vtk.1045678.n5.nabble.c
>> om/VTK-7-1-issue-with-Window-Level-rendered-values-tp5742316p5742319.html
>> Sent from the VTK - Users mailing list archive at Nabble.com.
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