topic ArcGIS 10.1 crashes when an addin invokes GDAL DLL through SWIG C# wrapper in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/arcgis-10-1-crashes-when-an-addin-invokes-gdal-dll/m-p/76271#M2053 <HTML><HEAD></HEAD><BODY><SPAN>I am developing an addin with a button that tries to do coordinate transformation using GDAL OSR. When I create a new CoordinateTransformation object ArcMap crashes and close. If I debug the addin against a debug osr_csharp.dll I can see that CoordinateTransformation object is throwing an exception with this message: Unable to load PROJ.4 library (proj.dll), creation of\nOGRCoordinateTransformation failed. I have checked the addin file unziping it and I can see it contains the proj.dll and all the dependencies that osr_csharp.dll should have.</SPAN><BR /><BR /><SPAN>The rare thing is that the same code executed inside an EXE project works without problem.</SPAN><BR /><BR /><SPAN>I suspect that the problem could be some interference between the GDAL 1.8 that ships with ArcGIS 10.1, but I cannot see how. I am not using&nbsp; gdal18.dll directly, but osr_csharp and its dependencies (proj.dll).</SPAN><BR /><BR /><SPAN>Any ideas on this type of fail?</SPAN><BR /><BR /><SPAN>Thanks in advance</SPAN></BODY></HTML> Wed, 07 Nov 2012 08:29:56 GMT JoseHernandez1 2012-11-07T08:29:56Z ArcGIS 10.1 crashes when an addin invokes GDAL DLL through SWIG C# wrapper https://community.esri.com/t5/arcobjects-sdk-questions/arcgis-10-1-crashes-when-an-addin-invokes-gdal-dll/m-p/76271#M2053 <HTML><HEAD></HEAD><BODY><SPAN>I am developing an addin with a button that tries to do coordinate transformation using GDAL OSR. When I create a new CoordinateTransformation object ArcMap crashes and close. If I debug the addin against a debug osr_csharp.dll I can see that CoordinateTransformation object is throwing an exception with this message: Unable to load PROJ.4 library (proj.dll), creation of\nOGRCoordinateTransformation failed. I have checked the addin file unziping it and I can see it contains the proj.dll and all the dependencies that osr_csharp.dll should have.</SPAN><BR /><BR /><SPAN>The rare thing is that the same code executed inside an EXE project works without problem.</SPAN><BR /><BR /><SPAN>I suspect that the problem could be some interference between the GDAL 1.8 that ships with ArcGIS 10.1, but I cannot see how. I am not using&nbsp; gdal18.dll directly, but osr_csharp and its dependencies (proj.dll).</SPAN><BR /><BR /><SPAN>Any ideas on this type of fail?</SPAN><BR /><BR /><SPAN>Thanks in advance</SPAN></BODY></HTML> Wed, 07 Nov 2012 08:29:56 GMT https://community.esri.com/t5/arcobjects-sdk-questions/arcgis-10-1-crashes-when-an-addin-invokes-gdal-dll/m-p/76271#M2053 JoseHernandez1 2012-11-07T08:29:56Z