[GRASS-user] import e00? sorry for repeat topic, but...

Michael Barton michael.barton at asu.edu
Tue Nov 20 14:20:13 EST 2007




On 11/20/07 11:19 AM, "Brandon M. Gabler" <bgabler at email.arizona.edu> wrote:

> Thanks Michael,
> 
> I've imported lots of shapefiles by simply selecting the *.shp file
> as the data source; does your method produce a different result (such
> as transferring metadata, etc. to the GRASS directories)? I had
> always understood that for the *.shp vectors, GRASS just needed the
> *.shp file.

Brandon,

This is news to me. But I just tried it and (contrary to the documentation)
it works fine. Both approaches seem to give the same result. But your way is
easier to do and to explain than the method explained in the help.

Michael

> 
> I'll try the *.hdr import with r.in.gdal as well; that would save a
> step and eliminate the need for Arc on my system!

This does make life easier.

Hope the research is going well.


Michael

> 
> Brandon
> 
> _______________________
> Brandon M. Gabler
> Doctoral Candidate
> Department of Anthropology
> University of Arizona
> Tucson, AZ 85721
> Phone: (520) 621-8455
> Fax: (520) 621-2088
> bgabler at email.arizona.edu
> 
> "Who? When? Whither? are the questions with which the archaeologist
> challenges the refuse heaps, scattered potsherds, and broken shafts,
> to tell of the builders who came and lived and went their way into
> the templed past." -- Edgar Lee Hewett, in Pajarito Plateau and its
> Ancient People, 1938
> 
> 
> On Nov 20, 2007, at 8:34 AM, Michael Barton wrote:
> 
>> Hi Brandon,
>> 
>> A couple of additional pointers besides exporting as ASCII grids from
>> ArcGIS.
>> 
>> Using r.in.gdal, GRASS can directly read ArcInfo grid files. When
>> opening
>> them, select the *.HDR file as your data source. No need to export.
>> 
>> Similarly, v.in.ogr can directly read ArcGIS shape files. Select the
>> *directory* in which the shape files live as the data source (no
>> "/" on the
>> end); select the shape file (omit the ".shp" extension) as the data
>> layer.
>> Again, no need to export.
>> 
>> With both, depending on how they were made, you might have to
>> override the
>> projection info (or rather it's lack) in the ESRI file. But as long
>> as you
>> know that your ESRI file and GRASS location share the same projection,
>> that's OK.
>> 
>> Michael
>> __________________________________________
>> Michael Barton, Professor of Anthropology
>> Director of Graduate Studies
>> School of Human Evolution & Social Change
>> Center for Social Dynamics & Complexity
>> Arizona State University
>> 
>> phone: 480-965-6213
>> fax: 480-965-7671
>> www: http://www.public.asu.edu/~cmbarton
>> 
>> 
>> 
> 

__________________________________________
Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton 



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