[vtkusers] vtkActorColor and Background color Problems

[Mike Jackson]

<red faced> I have _got_ to stop writing code late at night.. </red  
faced>

Thanks for the reality check

Mike
On Dec 7, 2005, at 7:33 AM, Bruno da Silva de Oliveira wrote:

> Hi Mike,
>
> Mike Jackson wrote:
>
>> <snip code>
>> -(IBAction) updateParticleColor:(id)sender
>> {
>>    //rowIndex is the index into the color table.
>>       colorTable->SetTableValue(rowIndex, (double)[color   
>> redComponent], (double)[color greenComponent],
>>            (double)[color blueComponent], 1.0  );
>>     [vtkView getInteractor]->GetInteractorStyle()->GetInteractor 
>> ()- >Render();
>> }
>>
>> When the above method gets called, the actor color is set, but  
>> also  the renderer background color, same as if I had called
>> _renderer->SetBackground( 0.9568, 1.0, 0.7843);
>>
>> Is there something I am missing about using the lookup table?
>
>
> A quick glance at your code doesn't show any problems. AFAIK the  
> lookup table is not related to the background color of the  
> renderer. Perhaps the problem is in another part of your code?
>
> Setting the looktable's values to a known color (as opposed sa  
> setting random colors as you're doing) also sets the background  
> color to that known color?
>
> Regards,
>
> -- 
> Bruno da Silva de Oliveira
> bruno at esss.com.br
> ESSS - Engineering Simulation and Scientific Software
> http://www.esss.com.br
>
>