Re: How to convert a threshold area to a selection?

Posted by Gabriel Landini on
URL: http://imagej.273.s1.nabble.com/How-to-convert-a-threshold-area-to-a-selection-tp3700180p3700184.html

On Tuesday 21 February 2006 08:14, Hugo Gratama van Andel wrote:

> It's a pity it doesn't work for stacks.

From just recently IJ can record the slice number, so you can modify it to
work with slices, but remember that selections are idependent of the slices.
After you changed slice and created new selections from areas, you lost the
old selections of the previous slice. So unless you processed the selections
before the change, the macro would be quite confusing. I think that this is
best done in a macro -that one can modify easily- rather than a command.

> Still it does seems strange to me that you need a macro for such simple
> operation (from one sort of selection--thresholding to another selection
> ). > It is defenitely on my personal feature-request list for ImageJ.

Well, now that you can do it, the difference of whether it is an internal
command or a macro or a plugin is not an issue anymore.
Further, the macro uses the results table so I would have thought that it is a
bit more complex to add it as an internal command (you would need to delete
the data already there and that may not be desirable).
Maybe there is another way round.

Cheers,

Gabriel