Hi I found some strange rendering artefacts in the following case:
I have two mitk::Image's with different size and spacing loaded, all with opacity = 1, default level window, default lookup table (n/a) and the default transfer function, texture interpolation is set to OFF and both are marked as visible. So normally only the image which is at top layer should be visible (fore sure without border area when the background image is bigger than the foreground image). At the first look that seems to be right but when i look closer (especially at dark regions with zoom) and toggle the visibility of the background image i can see some pixels which change their value. The grayvalue change is only in the Renderer visible, in the lower area where the Position/Index/Time and Pixelvalue is displayed the Pixelvalue stays the same.... I posted some screenshots at my Bugreport 5091 Any ideas where they come from???
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