[GRASS-user] r.category

[Stefan Blumentrath]

Hi Frank,

The error message you sent is related to d.legend module, which you may have called from the graphical user interface, more particular the map window, in order to add a legend to a map display.

If you have a visible legend in your map display, double click it in order to change the range parameter. That should fix the error message.

Or do you have other issues as well?

Cheers
Stefan

From: Frank David <frank.david at geophom.fr>
Sent: fredag 12. oktober 2018 15:17
To: Stefan Blumentrath <Stefan.Blumentrath at nina.no>; grass-user at lists.osgeo.org
Subject: Re: [GRASS-user] r.category


Hi Stefan,

Thanks for your reply. But I did not use cat=range option. I only do r.category map=mymap separator=":" rules=rulefic.txt

with rulefic.txt like :

0:none
1:1 to 2
2:1 to 2
3:3 to 4
4:3 to 4
5:5 to 6

Is something missing ?
Thanks
Le 12/10/2018 à 15:02, Stefan Blumentrath a écrit :

Hi Frank,



You need to specify the range option as range=0,8 (instead of range=0-8 as you did).



Cheers

Stefan



-----Original Message-----

From: grass-user <grass-user-bounces at lists.osgeo.org><mailto:grass-user-bounces at lists.osgeo.org> On Behalf Of Frank David

Sent: fredag 12. oktober 2018 14:24

To: grass-user at lists.osgeo.org<mailto:grass-user at lists.osgeo.org>

Subject: [GRASS-user] r.category



Hello grass users,



I have an error message in the console when I open some rasters with witch I've done a r.category.



"Failed to run command 'd.legend

raster=ZVT_nac_projet_hoht2__BDalti75_a1_8_sum at derval title=nacelle color=white range=0-8 at=5.0,50.0,6.9,9.9 thin=3'. Details:



ERROR: Option <range> must be provided in multiples of 2

     You provided 1 item(s): 0-8"



a r.describe display :



* 0.000000-0.031373 0.972549-1.003922 1.976471-2.007843 2.980392-3.011765

3.984314-4.015686 4.956863-4.988235 5.960784-5.992157 6.964706-6.996078

7.968627-8.000000



r.report display :



|       0-0.031373|from

to                                                   |

|0.972549-1.003922|from

to                                                   |

|1.976471-2.007843|from

to                                                   |

|2.980392-3.011765|from

to                                                   |

|3.984314-4.015686|from

to                                                   |

|4.988235-5.019608|from

to                                                   |

|5.992157-6.023529|from

to                                                   |

|6.996078-7.027451|from

to                                                   |

|       7.968627-8|from

to                                                   |

|                *|no data





I don't understand what the error message means (in red color in the

console) ?



Thank your for your help !



Frank

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