WCS - world coordinate system
VCS - viewing coordinate system
CCS - clipping coordinate system
NDCS - normalized device coordinate system
DCS - device coordinate system
|
OCS - object coordinate system
WCS - world coordinate system VCS - viewing coordinate system CCS - clipping coordinate system NDCS - normalized device coordinate system DCS - device coordinate system |
| modelling transformation
modelview matrix |
glTranslatef()
glRotatef() glScalef() |
| viewing transformation
modelview matrix |
gluLookAt() |
| projection transformation
projection matrix |
glFrustum()
gluPerspective() glOrtho() gluOrtho2D() |
| viewing transformation | glViewport() |