Re: Auto Contrast with non-rectangular selection after inversion

Posted by Wayne Rasband on May 07, 2008; 8:05pm
URL: http://imagej.273.s1.nabble.com/Lanczos-interpolation-tp3696296p3696298.html

> Hello,
> We noticed the following weird behavior after using Auto from the
> Brightness/Contrast Tool using a non-rectangular ROI.
> The pixels inside the rectangle containing the ROI but outside the ROI
> itself get modified in an unexpected way. The result is quite
> beautiful but not really wanted. The problem seems to occur only if
> the image was inverted just before.
> To reproduce the problem:
> - File/New/Image...
> create image filled with Ramp
> - Edit/Invert
> - make any non-rectangular selection
> - press the 'Auto' button in the Brightness/Contrast tool
> The problem does not occur with
> Process/Enhance Contrast

This bug is fixed in the v1.41c daily build.

-wayne