Attempts to fix compile problems under IRIX due to namespace problems.

examples/osgdistortion/osgdistortion.cpp

@@ -24,6 +24,8 @@
 
 #include <osgProducer/Viewer>
 
+using namespace osg;
+
 class DistortionNode : public osg::Group
 {
 public:

examples/osgphotoalbum/ImageReaderWriter.cpp

@@ -108,7 +108,7 @@ osg::Image* ImageReaderWriter::readImage_DynamicSampling(DataReference& dr, floa
 osgDB::ReaderWriter::ReadResult ImageReaderWriter::readNode(const std::string& fileName, const Options*)
 {
     DataReferenceMap::iterator itr = _dataReferences.find(fileName);
-    if (itr==_dataReferences.end()) return ReaderWriter::ReadResult::FILE_NOT_HANDLED;
+    if (itr==_dataReferences.end()) return osgDB::ReaderWriter::ReadResult::FILE_NOT_HANDLED;
 
     DataReference& dr = itr->second;
 
@@ -216,7 +216,7 @@ osgDB::ReaderWriter::ReadResult ImageReaderWriter::readNode(const std::string& f
     }
     else
     {
-        return ReaderWriter::ReadResult::FILE_NOT_HANDLED;
+        return osgDB::ReaderWriter::ReadResult::FILE_NOT_HANDLED;
     }
 
 

examples/osgphotoalbum/osgphotoalbum.cpp

@@ -26,6 +26,8 @@
 
 #include "ImageReaderWriter.h"
 
+using namespace osg;
+
 // now register with Registry to instantiate the above reader/writer,
 // declaring in main so that the code to set up PagedLOD can get a handle
 // to the ImageReaderWriter's 

examples/osgscalarbar/osgscalarbar.cpp

@@ -24,6 +24,7 @@
 #include <math.h>
 
 using namespace osgSim;
+using osgSim::ScalarBar;
 
 osg::Node* createScalarBar()
 {