Hi Oscar,

to me it seems that you uses way to big textures. Looking at the "Crop Width" 
and "Crop Height " parameter of the "Image Crop" Patch, you are generating 
images bigger than the "maximum texture size" usable in the graphics card. If 
so, QC has to "tile" the image into multiple textures which then will cause 
those things because your core image filter is running on each texture 
separately.

Interesting question is, why you are using those big textures? Some how your 
"Sprite" patch is drawing the sprite at z=-10 which means far far away in the 
back of your computer screen. Then to see at least some pixels of your image, 
the image has to be very big. But changing the z parameter of the sprite patch 
to 0, you can enter a reasonable "End Value" in the "Interpolation" patch, e.g. 
0.7

Best,

Achim Breidenbach
Boinx Software


On 20.08.2010, at 19:23, Oscar 'offonoll' wrote:

> Hello everyone!
> I got a wired reaction in Rendering a CoreImage Circle that I tweak a bit 
> from Christopher. I put a diameter viariable to get a better real size but 
> depending on the size, It flips half of the image.
> 
> Do you know what is the reason?
> 
> Thank you!
> 
> Oscar.
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