Re: [GRASS-user] Testing two vectors for equality

2009-06-27 Thread Moritz Lennert

On 27/06/09 05:01, Michael Perdue wrote:
Is there a way to test if two vectors are identical, including their 
attribute tables? i.e., I've changed some code and now I want to test 
that the results are the same. Is there an easy way to do this?


Since 6.5 v.select offers the use of GEOS operators, which includes 
'equals'. But this only tests the geometries, so you would have to test 
the attribute tables separately.


Moritz
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[GRASS-user] Testing two vectors for equality

2009-06-26 Thread Michael Perdue
Is there a way to test if two vectors are identical, including their  
attribute tables? i.e., I've changed some code and now I want to test  
that the results are the same. Is there an easy way to do this?


Cheers,

Mike
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Re: [GRASS-user] Testing two vectors for equality

2009-06-26 Thread Hamish

Michael Perdue wrote:
 Is there a way to test if two vectors
 are identical, including their attribute tables? i.e., I've
 changed some code and now I want to test that the results
 are the same. Is there an easy way to do this?

not really. In the past I've used 'diff' on the command line to compare
that the binary files in vector/ are exactly the same, as well as the DBs
in dbf/. Seemed to work ok. If you test that the two vector dirs are the
same with 'diff' it came back as only the timestamps in the map history
metadata changing.

for raster maps I added a wish for a r.md5sum module or a new flag to
r.univar for that. Maybe something similar could be done for v.univar?
(only based on live features?)  https://trac.osgeo.org/grass/ticket/618


Hamish



  

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