[GRASS-user] r.category value range

[Markus Metz]

On Thu, Feb 5, 2015 at 11:40 AM, Moritz Lennert
<mlennert at club.worldonline.be> wrote:
> On 05/02/15 11:12, Martin Album Ytre-Eide wrote:
>>
>> Hey, thanks!
>>
>> r.recode worked for me. As mentioned r.category clames it can do
>> this, and in different cases - it might be more usefull to work with
>> labels. I was trying to add labels and then do a "r.mapcalc
>> expression="snow_type= @lwc_2014_05_15" " in order to use the labels
>> as values. But r.recode did this in one go, so that was better. But
>> if one was to use the labels in a label instead of the values - it
>> would be good if the r.category worked as intended. I think I have
>> done that before, so maybe label range (with r.category) works with
>> d.legend? - did you try this Moritz?
>
>
> Yes, as I said: "However, it does not know how to display it in a decent
> manner. The same goes for d.legend. Or r.what. IIUC, modules that read cat
> values just don't seem to have been foreseen for this case."

I think you would need to go back to GRASS 4.x to find out how these
rules were handled (back then by r.support). These rules, and the
format options, are pretty powerful, and it would be nice to have them
restored in GRASS 7.x.

Markus M

>
> I did not think about r.mapcalc. If you know that this worked with a
> specific version of GRASS, it would be interesting for us to know. That
> would allow us to retrace the changes that might have broken that feature.
>
> Moritz