[GRASS-user] Importing a Scanned Map

[David Kindem]

Thanks Maris,  that did the trick.

Dave

David Kindem





On Sep 5, 2010, at 1:48 PM, Maris Nartiss wrote:

> You don't need to create different location if that GeoTIFF has same
> coordinate system as Your current GRASS location. Just use r.in.gdal
> override flag to import it without checking coordinate system match.
> Remember - source and destination MUST have identical coordinate
> systems (except for extent).
>
> Maris.
>
>
> 2010/9/5, kapo coulibaly <kmcoulib at gmail.com>:
>> I believe the wld is a world file, all it has is the coordinate  
>> but not the
>> projection infos (not sure about the xml file though). I would  
>> suggest you
>> create a dummy GRASS mapset with the projection your tif file was
>> georeferenced at, then use r.proj to import it in your intended  
>> location.
>> let me know if I missed the point you were trying to make.
>>
>> On Sun, Sep 5, 2010 at 11:20 AM, David Kindem <dkindem at gmail.com>  
>> wrote:
>>
>>> The file is a .tif file with two associated files, a .wld and a
>>> tif.aux.xml.
>>>
>>> Dave
>>>
>>> David Kindem
>>>
>>>
>>>
>>>
>>>
>>> On Sep 5, 2010, at 11:01 AM, kapo coulibaly wrote:
>>>
>>> What format is the map in?
>>>
>>> On Sun, Sep 5, 2010 at 10:50 AM, David Kindem <dkindem at gmail.com>  
>>> wrote:
>>>
>>>>  Hello,
>>>>
>>>> I am trying to import a raster map using r.in.gdal.  The map was
>>>> previously georeferenced in Q-GIS.  When I run r.in.gdal, I  
>>>> receive the
>>>> message that the projection of dataset does not appear to match  
>>>> current
>>>> location.
>>>>
>>>> I used the location parameter to create a new location for the  
>>>> scanned
>>>> map.  When I attempted to re-project the map from my new  
>>>> location into my
>>>> intended GRASS location, I received the following error:
>>>>
>>>> Unable to get projection info of input map.
>>>>
>>>> Looking at the projection information, the projection for the  
>>>> scanned map
>>>> and for my GRASS location match, with the exception of the  
>>>> cellhd.proj
>>>> parameter.  The scanned map's cellhd.proj = 0 (unreferenced/ 
>>>> unknown).
>>>>
>>>> I'm not familiar with the function of the cellhd.proj.  Could  
>>>> someone
>>>> shed
>>>> some light on how I might be able to resolve the issue?
>>>>
>>>> Thanks,
>>>>
>>>> Dave
>>>>
>>>>  David Kindem
>>>> Grand Haven, MI
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> grass-user mailing list
>>>> grass-user at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>>>
>>>>
>>>
>>>
>>

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