Standard Origins and Orientations

3DEM Image Conventions

Octahedral Symmetry
(or the Symmetry of a Cube)



Standard orientation:  4-fold axes on x,y,z axes

Standard origin:  intersection of symmetry axis



 Standard Orientation (standard display orientation) Standard Orientation (arbitrary display orientation)
Octahedron An octahedron showing standard orientation and standard display orientation
 An octahedron showing standard orientation, arbitrary display orientation
Cube A cube showing standard orientation and standard display orientation A cube showing standard orientation, arbitrary display orientation



Back to standard origins/orientations table
  19 May 2008