Display problems with large images at 100 percent

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Display problems with large images at 100 percent

Jan Eglinger-5
Dear all,

while working with large images (around 4000x4000), I noticed a problem
with displaying image data at 100% zoom:

Images are rendered correctly in all other magnifications (<=75% and
>=150%), but at 100% percent zoom, you see either black or some pixel
artefacts. Selection frames are still rendered correctly though, and all
image manipulations work as expected.

Can anyone reproduce this behaviour, or is it my graphics card/memory
settings? I'm using ImageJ 1.41m with Java 1.5.0_09 on Windows XP.

Another thing I noticed: when cropping an image, the window is sometimes
not updated correctly. Only after zooming in and out, it is displayed
correctly.


jan


--
Jan Eglinger
PhD Student, Eckhard Lammert group
Max Planck Institute of Molecular Cell Biology and Genetics
Pfotenhauerstrasse 108
01307 Dresden
Germany