[ImageJ-bugs] [Bug 1059] Analyze Particles and Bug Report not working

[bugzilla at fiji.sc]

http://fiji.sc/bugzilla/show_bug.cgi?id=1059

Mark Hiner <hinerm at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |CONFIRMED
                 CC|                            |imagej-bugs at imagej.net
          Component|Other                       |ImageJ1
           Assignee|imagej-bugs at imagej.net      |wsr at nih.gov

--- Comment #6 from Mark Hiner <hinerm at gmail.com> ---
Oh, of course it requires float data. It's right there in the stack trace.
Sorry I missed that.

Anyway, looks like this is a bug in ImageJ 1.x so I'm giving this to Wayne.

The problem is that the getMedian method in FloatStatistics checks for even or
odd values:
https://github.com/imagej/ImageJA/blob/v1.49r/src/main/java/ij/process/FloatStatistics.java#L239

When the pixel array is empty, size = 0 which tests as even.

This causes index "0 - 1" to be accessed of the pixel array here:
https://github.com/imagej/ImageJA/blob/v1.49r/src/main/java/ij/process/FloatStatistics.java#L240

which causes the reported error.

Probably want to either return 0 or throw an exception if there are no
pixels..?

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