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strange brush behavior

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strange brush behavior Helen 21 Oct 19:31
  strange brush behavior Ken Tanaka 21 Oct 21:11
  strange brush behavior Sven Neumann 22 Oct 08:36
Helen
2008-10-21 19:31:20 UTC (about 16 years ago)

strange brush behavior

I've been using gimp for several years, and so am fairly familiar with its expected behavior.

Two computers here -- both running SuSE11, with Gimp 2.4.5.

One computer, Gimp works fine. Other computer, all of the drawing tools (pen,pencil, brushes, eraser, clone tool, etc.) leave bright green streaks when swept across the photo.

This is with the mouse button NOT engaged. Not pressing any mouse button, just moving the tool across the photo, draws these artifacts which do not then become a part of the file (moving the photo around on the screen erases these green artifacts, but any attempt to place a brush back into the photo makes the green streaks.

Any ideas?

Ken Tanaka
2008-10-21 21:11:57 UTC (about 16 years ago)

strange brush behavior

This sounds like the type of problem when there is a bug in the graphic driver software for your graphics card (hardware). Does this happen in other programs, especially other graphics programs? An updated driver might fix this. There may be other causes too.

-Ken

Sven Neumann
2008-10-22 08:36:04 UTC (about 16 years ago)

strange brush behavior

Hi,

On Tue, 2008-10-21 at 13:31 -0400, Helen wrote:

Two computers here -- both running SuSE11, with Gimp 2.4.5.

One computer, Gimp works fine. Other computer, all of the drawing tools (pen,pencil, brushes, eraser, clone tool, etc.) leave bright green streaks when swept across the photo.

This is a known and long-standing problem in the ATI graphics driver. You should ask them to finally fix their software. Until then there is a workaround for this problem described in the gimprc manual page.

Sven