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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Sorry, the call GDALOpen will not work for shape files:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>Use<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> </span><span
style='font-size:10.0pt;font-family:"Courier New"'>OGRRegisterAll();<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>dataSource
= OGRSFDriverRegistrar::Open((<span style='color:blue'>const</span> char*)
filePath.c_str());<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>for
c++;<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>and
<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<div style='mso-element:para-border-div;border:solid #CCCCCC 1.0pt;padding:
3.0pt 5.0pt 3.0pt 5.0pt;background:whitesmoke;margin-left:1.5pt;margin-right:
6.0pt'><pre style='mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:
3.0pt;margin-left:0in;background:whitesmoke;border:none;padding:0in'><span
style='color:black'>hDS = <a
href="http://www.gdal.org/ogr/ogr__api_8h.html#123bb02ac8c5cfe143e132f627531125"
title="Open a file / data source with one of the registered drivers.">OGROpen</a>( </span><span
class=stringliteral>"point.shp"</span><span style='color:black'>, FALSE, NULL );<o:p></o:p></span></pre></div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>for c.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>see <a href="http://www.gdal.org/ogr/ogr_apitut.html">http://www.gdal.org/ogr/ogr_apitut.html</a>
for more info<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Martin<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Martin Chapman
[mailto:chapmanm@pixia.com] <br>
<b>Sent:</b> Monday, July 20, 2009 3:48 PM<br>
<b>To:</b> 'Smart, Gary'; 'gdal-dev@lists.osgeo.org'<br>
<b>Subject:</b> RE: [gdal-dev] How do I open vector files (e.g. shp) using GDAL<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Call </span><span style='font-size:10.0pt;font-family:"Courier New"'>OGRRegisterAll();
on the line right before GDALOpen();<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Martin</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
gdal-dev-bounces@lists.osgeo.org [mailto:gdal-dev-bounces@lists.osgeo.org] <b>On
Behalf Of </b>Smart, Gary<br>
<b>Sent:</b> Monday, July 20, 2009 2:51 PM<br>
<b>To:</b> gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> [gdal-dev] How do I open vector files (e.g. shp) using GDAL<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
understand that GDAL can open vector formats as if they were a dataset?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>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?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>However,
whenever I try to open vector files in this way (directory or file) I get…<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>ERROR
4 - blah blah is not recognised as a supported file format”<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
am still new to all this (having only just conquered raster formats) so I
suspect I am doing something pretty dumb.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Perhaps
someone can help?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><i><span lang=EN-GB style='font-size:10.0pt;font-family:
"Arial","sans-serif";color:purple'>Gary</span></i></b><b><i><span lang=EN-GB
style='color:navy'><o:p></o:p></span></i></b></p>
</div>
<p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p>
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