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Did you add the light to the renderer? Try
myRenderer->AddLight(light1);<br>
<br>
hth<br>
<br>
Marc<br>
<br>
Alessio Balzide wrote:
<blockquote cite="mid:775274.56126.qm@web26402.mail.ukl.yahoo.com"
type="cite">hallo everybody!<br>
I've set a light in my program, in this way:<br>
vtkLight *light1 = vtkLight::New();<br>
light1->SetPosition(x,y,z);<br>
light1->SetColor(1.0,1.0,1.0);<br>
<br>
but it doesn't illuminate the scene.. (I want to illuminate an actor
representing an isosurface, but it always looks black :( )<br>
<br>
what could be wrong?<br>
should I set any other paramater?<br>
or may be the face-culling is off? (how can I correct it?)<br>
or what else?<br>
<br>
thanks a lot<br>
Ale<br>
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