Here is a list of all namespace functions with links to the namespace documentation for each function:

### - i -

- iequals() : osg
- inDegrees() : osg
- info() : osgWidget
- initNotifyLevel() : osg
- initOQDebugState() : osg
- initOQState() : osg
- inRadians() : osg
- intrusive_ptr_add_ref() : osg
- intrusive_ptr_release() : osg
- isAbsolutePath() : osgDB
- isExtensionInExtensionString() : osg
- isFileNameNativeStyle() : osgDB
- isGLExtensionOrVersionSupported() : osg
- isGLExtensionSupported() : osg
- isNaN() : osg
- isNotifyEnabled() : osg
- isTextureMode() : osg