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<p class="MsoNormal"><span style="font-family:"Courier New"">Can you report your gdal version and where you got it from? Is it from gisinternals.com/sdk, or did you build it yourself?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<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""> Pouliot, Christopher (DNR) [mailto:Christopher.Pouliot@state.mn.us]
<br>
<b>Sent:</b> Monday, December 05, 2011 9:04 AM<br>
<b>To:</b> Kyle Shannon; gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> RE: Editing KML files using ogr_csharp.dll<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks for the response Kyle.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> I do use the CreateDataSource() to create a new KML. But am unable to open an existing KML for editing using the Open() code I specified below.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Chris<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<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""> Kyle Shannon [mailto:KShannon@gcs-research.com]
<br>
<b>Sent:</b> Monday, December 05, 2011 9:54 AM<br>
<b>To:</b> Pouliot, Christopher (DNR); gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> RE: Editing KML files using ogr_csharp.dll<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Chris,</span> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">I don’ know OGR very well, but I see a few issues. I also am not sure about the c# bindings, I believe they are pretty complete though.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">’’’OSGeo.OGR.Driver drv = Ogr.GetDriverByName(“KML”);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">DataSource ds = drv.Open(“c:\\temp\\mykml.kml”, 1);’’’<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Open() opens existing files, you need to use driver->CreateDatasource() to create datasets. Open() opens files for editing. If mykml.kml exists, use Open().<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">see <a href="http://gdal.org/ogr/ogr_apitut.html">
http://gdal.org/ogr/ogr_apitut.html</a> for information on using OGR to read/write data<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">’’’Also, when creating a KML file from scratch is there a way to map the Name and Description fields to my existing fields so that the Name and Description appear in Google Earth?’’’<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">See <a href="http://gdal.org/ogr/drv_kml.html">
http://gdal.org/ogr/drv_kml.html</a> for this, it appears to be possible.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">There is also the libkml driver:
<a href="http://gdal.org/ogr/drv_libkml.html">http://gdal.org/ogr/drv_libkml.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">kss<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<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>Pouliot, Christopher (DNR)<br>
<b>Sent:</b> Monday, December 05, 2011 7:51 AM<br>
<b>To:</b> gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> [gdal-dev] Editing KML files using ogr_csharp.dll<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hello All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have a C# application that uses OGR_CSHARP.DLL to read/write KML files. I’m able to read from KML files fine. I’m able to create a new KML file and write to it fine. I am unable, however, to open a KML file to edit. I’d like to be
able to append a new layer (folder) onto an existing KML file. I’ve tried both of the following code snippets:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">//This returns NULL<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none">OSGeo.OGR.<span style="color:#2B91AF">Driver</span> drv =
<span style="color:#2B91AF">Ogr</span>.GetDriverByName(“KML”);<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none">DataSource ds = drv.Open(“c:\\temp\\mykml.kml”, 1);<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none">//This returns NULL<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none">DataSource ds = <span style="color:#2B91AF">
Ogr</span>.Open(“c:\\temp\\mykml.kml”, 1);<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none">I’m able to use this code to edit File Geodatabases and Shapefiles but not KML.<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none">Also, when creating a KML file from scratch is there a way to map the Name and Description fields to my existing fields so that the Name and Description appear in Google Earth?<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none">Thanks,<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"> <o:p></o:p></p>
<p class="MsoNormal">Chris<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Chris Pouliot<br>
GIS Application Developer<br>
Minnesota Department of Natural Resources<br>
<a href="mailto:christopher.pouliot@state.mn.us">christopher.pouliot@state.mn.us</a><br>
(651) 259-5491<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
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