On 12/06/17 12:11, James Duffy wrote:


On 12 June 2017 at 11:00, Moritz Lennert <[email protected]
<mailto:[email protected]>> wrote:

    On 12/06/17 11:38, James Duffy wrote:

        On 12 June 2017 at 10:36, Moritz Lennert
        <[email protected] <mailto:[email protected]>
        <mailto:[email protected]
        <mailto:[email protected]>>> wrote:

            On 12/06/17 11:25, James Duffy wrote:

                Hello,

                I'm trying to run the following:

                *i.superpixels.slic -n group=mod1@PERMANENT output=test
                num_pixels=5000
                memory=10000

                *
                The output gives me the following:

                (Mon Jun 12 10:17:40
                2017)
                i.superpixels.slic -n group=mod1@PERMANENT output=test
                num_pixels=5000
                memory=10000
                Cache data in memory mode
                Loading input...
                WARNING: Initialized 5036 of 5070 seeds
                Performing k mean segmentation...

                And then I get a 'GRASS 7 has stopped working' box pop up.

                I tried again with the default settings for the module:

                *i.superpixels.slic group=mod1@PERMANENT output=test

                *
                And got the same error.

                I am using windows 10 professional and GRASS 7.3.svn (2017).

                Has anyone else got this module working, or had the same
        problem
                on Windows?


            I haven't had any problems running it on Linux, and some
        colleagues
            have run it on Windows.

            Just for our info: What are your region settings ?


        projection: 1 (UTM)
        zone:       43
        datum:      wgs84
        ellipsoid:  wgs84
        north:      25183.22184529
        south:      25157.71783908
        west:       301463.66480893
        east:       301494.2431551
        nsres:      0.07775612
        ewres:      0.0778075
        rows:       328
        cols:       393
        cells:      128904

        Just to add, I am running i.segment.uspo without problems using
        the same
        imagery group and the same region.


    Yes, the region is actually very small, so no problem from there. It
    might be an issue with the memory handling. Could you try without
    setting the memory parameter, i.e. using its default value of 300
    and tell us what happens ?


*#default memory*
*i.superpixels.slic -n group=mod1@PERMANENT output=test

*
Produced the same problem.

Can you reproduce using the NC demo data set ?

I.e.

g.region rast=ortho_2001_t792_1m
i.group ortho input=ortho_2001_t792_1m
i.superpixels.slic group=ortho out=slic_test

And tying with and without the '-n' flag and the memory parameter.

Moritz


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