[GRASS-dev] Example python script

[Paulo van Breugel]

Thanks, I did take a look, but obviously not hard enough (btw, clever trick
to use grep.. will download the source code so I can use that too).




On Thu, Jan 31, 2013 at 5:12 PM, Moritz Lennert <
mlennert at club.worldonline.be> wrote:

> On 31/01/13 16:48, Paulo van Breugel wrote:
>
>>   Does anybody has an example grass python script that deals with
>> multiple layer input? For example with the input option below with #%
>> multiple set to yes, I would like to create multiple variables, one for
>> each map.
>>
>> #%option
>> #% key: input
>> #% type: string
>> #% gisprompt: old,cell,raster
>> #% required: yes
>> #% multiple: yes
>> #%end
>>
>> I am completely new to python, and besides python scripting tutorials
>> and text books, for me using examples is a great way to accelerate the
>> learning process. I have looked into the addon repository and scripts in
>> the GRASS 7 SVN, but haven't found what I was looking for.
>>
>> More in general, does anybody have (simple) shell scripts that have now
>> been converted in python scripts? I thought I had seen a page on the
>> grass wiki where code snippets in shell and python were compared, but I
>> can't find it.
>>
>
> You can always look at the scripts in grass7. A quick grep through the
> directory shows:
>
> i.spectral/i.spectral.py
> r.buffer.lowmem/r.buffer.**lowmem.py <http://r.buffer.lowmem.py>
> r.in.wms/r.in.wms.py
> v.db.addtable/v.db.addtable.py
> v.db.univar/v.db.univar.py
> v.in.wfs/v.in.wfs.py
> v.krige/v.krige.py
>
> Generally, you should be able to do something like this:
>
> rastermaps = input.split(',')
>
> and the access each maps like this:
>
> my_map1 = rastermaps[0]
>
> etc
>
> Moritz
>
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