[vtkusers] Render Speed (I know.. asked by many already..!)

[Ted Vu]

Sorry I didnt finish my response to you and clicked send too fast...!! Okay 
to continue..:


>Your graphics card should be fine - but you may have too big an image (if 
>you have a 1024x1024 image that you are rendering into a 256x256 window, 
>for example, then you can first subsample the image for improved 
>performance).

So I have set RenWin->SetSize( 500, 500 );
Is this what you mean? BUt I woiuld like the option of having a bigger 
weindow and not having to subsample my data


>Also - you are using a vtkWin32OpenGLRenderWindow - it is the concrete 
>class created when you create a vtkRenderWindow (assuming you are on 
>Windows and not using Mesa).

Okay my mistake, I forgot to mention I am on a Linux...........

And I have previously  tried NIgels' suggestion of ImmediateModeRenderingOn 
but this doesnt make much difference

So is there  a better pipeline i shoudl be using? or does it seem vtk is 
just too slow and I shoud resort to OpenGL... ! =(

Thank you again!

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