[GRASS-user] Problem running i.segment.stats

[James Duffy]

On 18 October 2016 at 16:37, Moritz Lennert <mlennert at club.worldonline.be>
wrote:

> On 18/10/16 17:28, James Duffy wrote:
>
>> On 18 October 2016 at 16:17, Moritz Lennert
>> <mlennert at club.worldonline.be <mailto:mlennert at club.worldonline.be>>
>> wrote:
>>
>>     On 18/10/16 14:27, James Duffy wrote:
>>
>>         Hello,
>>
>>         I'm using GRASS 7.0.4 on the OSGeoLive pre-built operating
>> system. I
>>         have installed the addon 'i.segment.stats' to use with my output
>>         from
>>         'i.segment.uspo'.
>>
>>         When selecting the 'rasters' input for this tool, I choose the
>>         original
>>         layers that were used to create the segmented map in the first
>>         place.
>>         Upon execution of 'i.segment.stats', i get the following error:
>>
>>         Element type should be "cell" and not "raster.
>>
>>
>>     The above message is just a warning and should not keep the module
>>     from working. I just fixed this (r69700), so try reinstalling
>>     i.segment.stats.
>>
>>
>> Ok thank you, have reinstalled and the message no longer appears.
>>
>>
>>
>>         The tool does not continue and outputs a blank .csv file.
>>
>>         Any help solving this would be much appreciated.
>>
>>
>>     Could you send us the command line used (you can get that by pushing
>>     the 'Copy' button in the GUI of the module or through the command
>>     history in the GUI 'command console')
>>
>>
>> i.segment.stats --overwrite --verbose
>> map=angle_seg_uspo_angle_region_1_rank1 at angle1
>> rasters=angle_ortho.1 at angle1 raster_statistics=min,max,mean,stddev,sum
>> csvfile=/home/jd/Wales_GRASS/isegstats_gp_test separator=comma
>>
>> With this command, the output .csv is still empty apart from the headers.
>>
>
> Are you sure the region is set to angle_seg_uspo_angle_region_1_rank1 ?
> I.e.:
>
> g.region rast=angle_seg_uspo_angle_region_1_rank1
>

This fixed it. Sorry, I assumed that the region was already set to the
rasters that were used to create the segmented map (which are identical in
extent to the segmented map itself). Will make a note in my script to
always set the region to the input for i.segment.stats.


>
> What do
>
> g.region -p
> and
> r.info angle_seg_uspo_angle_region_1_rank1
>
> give you ?


Thanks for your help Moritz!


>
>
> Moritz
>

James
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