| AxisPlaneConstraint | An abstract class for Frame Constraints defined by an axis or a plane |
| Camera | A perspective or orthographic camera |
| CameraConstraint | An AxisPlaneConstraint defined in the camera coordinate system |
| Constraint | An interface class for Frame constraints |
| Frame | Coordinate system, defined by a position and an orientation |
| KeyFrameInterpolator | A keyFrame Catmull-Rom Frame interpolator |
| LocalConstraint | An AxisPlaneConstraint defined in the Frame local coordinate system |
| ManipulatedCameraFrame | ManipulatedFrame with Camera specific mouse bindings |
| ManipulatedFrame | A ManipulatedFrame is a Frame that can be rotated and translated using the mouse |
| MouseGrabber | Abstract class for objects that grab mouse focus in a QGLViewer |
| QGLViewer | A versatile 3D OpenGL viewer based on QGLWidget |
| Quaternion | 3D rotations and orientations |
| Vec | 3D positions and 3D vectors |
| WorldConstraint | An AxisPlaneConstraint defined in the world coordinate system |
1.5.8