[GRASS-user] problems importing vector and raster data via python script

[Sonja Jankowfsky]

Many thanks also for the link, it works!!

Sonja


Christian Kaiser a écrit :

> Sonja,
>
> I think you can use something like this:
> grass.run_command("v.in.ogr", flags='o', dsn=r'E:\pythoninput\Mercier_ditch.shp', output='ditch2', overwrite=True)
>
> See the make_command function for the options:
> <http://download.osgeo.org/grass/grass6_progman/namespacepython_1_1core.html#a6745e7335b5bfcc30d89443fc912c63b> 
>
> For the flags not starting with -- but only with - (short flags), I think you can just concatenate them (flags='oc' for example). For the long flags (overwrite, verbose, quiet), they are a separate argument in the run_command function.
>
> Hope this helps,
> Christian
>
>
>
> On 28 janv. 2010, at 10:38, Sonja Jankowfsky wrote:
>
>   
>> Many thanks.
>>
>> So, the forward slash does not work in windows. (and I know I should not use literal pathnames, but it's just for testing). So either two forward or backward slashs, or one  backward.
>>
>> One other question concerning the flags: How can I put two flags at the same time, as for example -o --o for overwriting the projection check and an already existing file?
>>
>> I tried everything: flags='o', flags='-o'
>>
>>               flags='o -o' or flags='-o o'
>>
>>               flags='o' '-o'
>>
>> but the interpreter isn't happy with this solutions.
>>
>> Is there any way to put several flags?
>>
>> Sonja
>>
>>
>>
>> Glynn Clements a écrit :
>>
>>     
>>> Sonja Jankowfsky wrote:
>>>
>>>  
>>>       
>>>> I'm running a python script under windows/eclipse, where I try to import a shape and a raster file with v.in.ogr and r.in.gdal.
>>>>
>>>>
>>>> grass.run_command("r.in.gdal",'-o', input='E:\pythoninput\mnyzeron5m.asc', output='dem5m', '-o')
>>>>    
>>>>         
>>> Python uses backslash as an escape character; if you need to use a
>>> backslash in a string literal, either use two backslashes, i.e.:
>>>
>>> 	input='E:\\pythoninput\\mnyzeron5m.asc'
>>>
>>> or use a raw literal, i.e.:
>>>
>>> 	input=r'E:\pythoninput\mnyzeron5m.asc'
>>>
>>> Alternatively, a forward slash will work. But scripts should rarely
>>> need to have literal pathnames embedded within them.
>>>
>>>  
>>>       
>>>> grass.run_command("v.in.ogr", '-o', dsn='E:\pythoninput\Mercier_ditch.shp', output='ditch2', '-o')
>>>>    
>>>>         
>>> run_command() etc use the "flags" argument to specify flags (without
>>> the leading '-'), e.g.:
>>>
>>> grass.run_command("v.in.ogr", flags='o', dsn=r'E:\pythoninput\Mercier_ditch.shp', output='ditch2')
>>>
>>>  
>>>       
>> -- 
>> Sonja Jankowfsky
>> UR Hydrologie-Hydraulique
>> Cemagref de Lyon
>> 3 bis quai Chauveau CP 220
>> 69336 Lyon Cedex 09
>> FRANCE
>> Tel : (+33)4 72 20 86 11 	 Fax : (+33)4 78 47 78 75 
>> _______________________________________________
>> grass-user mailing list
>> grass-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>     


-- 
Sonja Jankowfsky
UR Hydrologie-Hydraulique
Cemagref de Lyon
3 bis quai Chauveau CP 220
69336 Lyon Cedex 09
FRANCE
Tel : (+33)4 72 20 86 11 	 
Fax : (+33)4 78 47 78 75