Re: [osg-users] [build] Building OpenSceneGraph-3.3.4 with GDAL 2.0

[Tony Vasile]

Hi,

I have this patch so that it compiles but I don't have a ogr source file to 
test it against. But this allows OpenSceneGraph 3.2.1 to compile.

... 


Thank you!

Cheers,
Tony

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=64190#64190




--- OpenSceneGraph-3.2.1/src/osgPlugins/ogr/ReaderWriterOGR.cpp 2012-03-22 
04:36:20.000000000 +1100
+++ ../OpenSceneGraph-3.2.1/src/osgPlugins/ogr/ReaderWriterOGR.cpp      
2015-06-25 17:53:58.462196833 +1000
@@ -134,11 +134,13 @@
 
     virtual ReadResult readFile(const std::string& fileName, const 
osgDB::ReaderWriter::Options* options) const
     {
-        if (OGRSFDriverRegistrar::GetRegistrar()->GetDriverCount() == 0)
-            OGRRegisterAll();
+        if (GDALGetDriverCount() == 0)
+            GDALAllRegister();
 
         // Try to open data source
-        OGRDataSource* file = OGRSFDriverRegistrar::Open(fileName.c_str());
+        //OGRDataSource* file = OGRSFDriverRegistrar::Open(fileName.c_str());
+        GDALDataset       *file;
+        file = (GDALDataset*) GDALOpenEx( fileName.c_str(), GDAL_OF_VECTOR, 
NULL, NULL, NULL );
         if (!file)
             return 0;
 
@@ -156,13 +158,14 @@
 
         osg::Group* group = new osg::Group;
 
-        for (int i = 0; i < file->GetLayerCount(); i++)
+        for (int i = 0; i < GDALDatasetGetLayerCount(file); i++)
         {
-            osg::Group* node = readLayer(file->GetLayer(i), file->GetName(), 
useRandomColorByFeature, addGroupPerFeature);
+            OGRLayer* layer = (OGRLayer *)GDALDatasetGetLayer(file, i); 
+            osg::Group* node = readLayer(layer, layer->GetName(), 
useRandomColorByFeature, addGroupPerFeature);
             if (node)
                 group->addChild( node );
         }
-        OGRDataSource::DestroyDataSource( file );
+        GDALClose( file );
         return group;
     }
 

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