[GRASS-user] Exporting labels of a raster

Rainer M Krug r.m.krug at gmail.com
Fri Jul 1 09:31:12 EDT 2011


On Fri, Jul 1, 2011 at 3:24 PM, Luisa Peña <luisapena1979 at gmail.com> wrote:

> And export it as a raster map? I mean raster with an associated legend? Not
> possible?
>

No idea - somebody else has to help here about export formats which support
labels.

Rainer


>
> 2011/7/1 Rainer M Krug <r.m.krug at gmail.com>
>
>>
>>
>> On Fri, Jul 1, 2011 at 3:18 PM, Luisa Peña <luisapena1979 at gmail.com>wrote:
>>
>>> Hi Rainer  (back to ML)
>>>
>>> I have a classification procedure that produces land-use/cover maps with
>>> numerical classes between 1 and 5.
>>>
>>>>
>>>> Ok - that seems to be fine.
>>>>
>>>>
>>>>> Then I want to produce another map, but with text labels for each
>>>>> class.
>>>>
>>>>
>>>> You have done this with r.reclass
>>>>
>>> That's right. When I select a pixel I get something like this |
>>> coordinateX | CoordinateY ||1 | URban|
>>>
>>>
>>>>
>>>>
>>>>> And be able to export this raster with its labels.
>>>>
>>>> As a map?
>>>> Because in grass, you can not create a raster with non-numeric values,
>>>> unless they are labels, and the cell values are numeric. If you want to have
>>>> the labels in a legend, that is a different issue. I do not know if any
>>>> export format supports the export of labels as well.
>>>>
>>>>
>>> Uhm. If this is not possible, how can I export a raster map with labels
>>> in a legend?
>>>
>>
>> Check the ps.map command in grass to create maps - you will be able to
>> create a map with legend using the labels and export it as postsript file.
>>
>> Rianer
>>
>>>
>>> Thank you so much
>>>
>>
>>
>>
>> --
>> Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
>> Biology, UCT), Dipl. Phys. (Germany)
>>
>> Centre of Excellence for Invasion Biology
>> Stellenbosch University
>> South Africa
>>
>> Tel :       +33 - (0)9 53 10 27 44
>> Cell:       +33 - (0)6 85 62 59 98
>> Fax (F):       +33 - (0)9 58 10 27 44
>>
>> Fax (D):    +49 - (0)3 21 21 25 22 44
>>
>> email:      Rainer at krugs.de
>>
>> Skype:      RMkrug
>>
>>
>


-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology,
UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
Cell:       +33 - (0)6 85 62 59 98
Fax (F):       +33 - (0)9 58 10 27 44

Fax (D):    +49 - (0)3 21 21 25 22 44

email:      Rainer at krugs.de

Skype:      RMkrug
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