[mapserver-users] editing shp files

[Seamus Thomas Carroll]

Sound like a good idea.  I will give it a try.

Seamus

On Tue, 30 Jul 2002, Frank Warmerdam wrote:

> Paul Spencer wrote:
> > If you are adventurous, you could get openev 
> > (http://openev.sourceforge.net) and write a simple python script to 
> > process your shapefile
> > 
> > sample python script:
> > 
> > import gview
> > 
> > shapes_in = gview.GvShapes( shapefilename="/path/to/my/shapefile" )
> > shapes_out = gview.GvShapes()
> > 
> > #assuming you want the same schema
> > shapes_out.set_properties( shapes_in.get_properties() )
> > 
> > for shape in shapes_in:
> >    props = shape.get_properties()
> >    #this would test against the first character
> >    if props['postalcode'][:1] == 'V':
> >        shapes_out.append( shape.copy() )
> > 
> > shapes_out.save_as( "/path/to/new/shapefile" )
> > 
> > If you are interested but aren't a python programmer, I could probably 
> > help you with this as long as you can get openev installed.
> 
> Seamus,
> 
> In fact, if all you want to do is select some of the records from a shapefile
> based on attributes, you could try using the ogr2ogr utility from GDAL/OGR.
> It includes the ability to select records to copy based on an SQL WHERE like
> syntax.
> 
> eg.
> 
> ogr2ogr -select "post_address like '%British Columbia%'" bc.shp all.shp
> 
> Of course, Paul's OpenEV/python solution is even more flexible than ogr2ogr
> on its own.  Ogr2ogr is part of the GDAL/OGR suite.
> 
>    http://www.remotesensing.org/gdal
>    http://gdal.velocet.ca/projects/opengis
> 
> Best regards,
> 
> 

-- 
Seamus Carroll