[GRASS-user] i.pr: screen does not show map

[Daniel McInerney]

Hi Moritz,
What does v.info training give? Did
you use v.digit or v.in.ascii to
create the layer? I used the latter
when I was working with it.

Regards,
Daniel.



Moritz Lennert wrote:
> Hi Daniel,
> 
> On 28/11/07 13:12, Daniel McInerney wrote:
>> Hi Mortiz,
>>
>> I looked at i.pr a while ago, but didn't try
>> the interactive mode for point selection.
>> If the problem you are encountering persists,
>> you could digitise a vector map of labeled training
>> locations, which you could then use in i.pr.training.
>> This will bypass the need to interactively select training
>> points when you run the module.
>>
>>
>> i.pr.training map=`g.mlist type=rast pattern="spot.ms*" sep=","`
>> training=ipr_training4 vector=YourLabeledVector rows=3 cols=3
>> vis_map=spot.comp
> 
> Thanks for the tip. Tried it, but doesn't seem to work. Here is what I 
> get, i.e. still a black screen:
> 
> http://geog-pc40.ulb.ac.be/grass/misc/i_pr2.png
> 
> And the resulting ipr_training4 contains only the header:
> 
> Data type:
> GrassTraining
> Number of layers:
> 3
> Label:
> ipr_training4
> Data:
> Layer_1 Layer_2 Layer_3 Class   East    North   Rows    Cols    EW-res 
> NS-res
> 
> 
> Moritz
>