[gdal-dev] How do I open vector files (e.g. shp) using GDAL

Martin Chapman chapmanm at pixia.com
Mon Jul 20 17:48:11 EDT 2009

Call OGRRegisterAll(); on the line right before GDALOpen();




From: gdal-dev-bounces at lists.osgeo.org
[mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of Smart, Gary
Sent: Monday, July 20, 2009 2:51 PM
To: gdal-dev at lists.osgeo.org
Subject: [gdal-dev] How do I open vector files (e.g. shp) using GDAL


I understand that GDAL can open vector formats as if they were a dataset?


E.g. I read that it is possible to pass the GDALOpen either a single .shp
file (in which case it treats it as if it only had one layer) or a directory
containing multiple .shp files - which presumably it opens as multi layered?


However, whenever I try to open vector files in this way (directory or file)
I get.


ERROR 4  - blah blah is not recognised as a supported file format"


I am still new to all this (having only just conquered raster formats) so I
suspect I am doing something pretty dumb.

Perhaps someone can help?




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