[vtkusers] Re versing Color

[circass]

I Gonna try to implement that to my code. 
Thanx,
Circass


KS Jothybasu wrote:
> 
> In vtkLookupTable. Are you using vtkLookupTable if not here is a part of
> the
> code which might help you.
> 
> * # Create a greyscale lookup table
>     table = vtk.vtkLookupTable()
>     table.SetRange(grayscale) # image intensity range
>     table.SetValueRange(1,0) # from black to white
>     table.SetSaturationRange(0.0, 0.0) # no color saturation
>     table.SetRampToSCurve()
>     table.SetNumberOfTableValues(402)
>     table.Build()
> 
>     # Map the image through the lookup table
>     color = vtk.vtkImageMapToColors()
>     color.SetLookupTable(table)
>     color.SetInputConnection(reslice.GetOutputPort())
> 
>     # Display the image
>     actor = vtk.vtkImageActor()
>     actor.SetInput(color.GetOutput())
> *
> Jothy
> 
> On Fri, Jan 22, 2010 at 3:36 PM, circass <circass at gmail.com> wrote:
> 
>>
>> Where should i use that function ?
>> is there a specific filter or what ?
>>
>> Thanx
>> Circass
>>
>>
>> KS Jothybasu wrote:
>> >
>> > Could you please try SetValueRange(1,0).
>> >
>> > Regards
>> >
>> > Jothy
>> >
>> > On Fri, Jan 22, 2010 at 2:06 PM, circass <circass at gmail.com> wrote:
>> >
>> >>
>> >> I think Alessandro understood me wrong, so i m trying to explain what
>> i
>> >> want
>> >> more clearly.
>> >>
>> >> I have dicom files that i read with itk and vtk.
>> >>
>> >> my images are already greyscale, i want to change the blacks with
>> whites
>> >> and
>> >> vice versa.
>> >>
>> >> Thanx.
>> >> Circass
>> >> --
>> >> View this message in context:
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>> >>
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>> View this message in context:
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>>
>> _______________________________________________
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>>
>> Visit other Kitware open-source projects at
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> 
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> http://www.kitware.com/opensource/opensource.html
> 
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