[ImageJ-bugs] [Bug 1175] Macro stops running when no object found 3D object Count

[bugzilla at fiji.sc]

http://fiji.sc/bugzilla/show_bug.cgi?id=1175

Curtis Rueden <ctrueden at wisc.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|CONFIRMED                   |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Curtis Rueden <ctrueden at wisc.edu> ---
This problem occurs when the threshold given is outside the range of the data.
The UI does not allow you to input such thresholds, but from a macro it is
possible -- hence the error message.

You can work around it with the following code:

  newImage("HyperStack", "8-bit color-mode", 121, 154, 1, 114, 1);
  getStatistics(area, mean, min, max, std, histogram);
  if (max < 128) threshold = max;
  else threshold = 128;
  print "Using threshold of " + threshold);
  run("3D Objects Counter", "threshold=" + threshold +
      " slice=50 min.=10 max.=2124276 " +
      "objects surfaces centroids centres_of_masses statistics summary");

You may need to do something similar for invalid values of other parameters
too; I'm not sure.

I guess the plugin could be changed to not show this error message when running
from a macro. If anyone wants to adopt the 3D Objects Counter plugin (currently
unmaintained), that would be great.

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