I’m drawing a simple tri strip but for some reason there is a faint visible outline of the triangles. The drawing code is about as simple as you can get, just a
::glBegin(GL_TRIANGLE_FAN);
followed by the center point and each corner.
no lighting.
Can you show, how are you coloring above?
Just a single ::glColor4d call - lighting is disabled.
Blending ? Polygon smoothing ? You will have to show more of your code.
Polygon smoothing of course - when I disable it the lines go away. It was turned on someplace else in the code (of course) painful that its smoothing the interior edges, but I seem to remember that being driver specific – many thanks!
May I know what driver are you using that is producing your problem!