[FWTools] Bindings for DBF and PNG

Susana Iraiis Delgado Rodriguez susana.delgado_s at utzmg.edu.mx
Mon May 2 13:46:06 EST 2011

Thank you Frank!

I've read the OGR API documentation before, I'm using Python and OGR to get
the dbf fieldNames, but I got an error when the shp and dbf have no records.

Maybe I didn't expalin my question about the image file. What I need is to
create a raster image from a shapefile, the raster could be any type.

Do you have any idea how can I do that?

2011/4/26 Frank Warmerdam <warmerdam at pobox.com>

> On 11-04-26 12:21 PM, Susana Iraiis Delgado Rodriguez wrote:
> > Hello list!
> >
> > I'm trying to get information from shapefiles and dbf files. What I need
> is get
> > the dbf fieldnames, type, etc. But I'm not sure what libraruy to use.
> Besides
> > that, I need to get an image out of a shapefile.
> > Does FWTools have a library to work with them?
> Susana,
> You can do both functions with the GDAL/OGR library which is included in
> FWTools.  For data access to shapefiles and their associated DBF files use
> the OGR API:
>   http://www.gdal.org/ogr/ogr_apitut.html
> You mention getting an image out of a shapefile but in the subject you
> mention
> PNG format.  Assuming you want to read an image from a PNG file you can use
> the
> GDAL library to do that.
>   http://www.gdal.org/gdal_tutorial.html
> The GDAL/OGR library is available as part of FWTools.  To use it include
> the FWTools<version>\include directory in your include path, and link
> against
> FWTools<version>\lib\gdal_i.lib.  You will need to have the
> FWTools<version>\bin directory in your path for your application.
> However, FWTools isn't primarily intended as a software development kit, so
> you might also just want to build GDAL from source instead of using the
> FWTools version.
> Best regards,
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
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