| S.E. Hudson. Adding shadows to a 3d cursor. ACM Transactions on Graphics, 11(2):193--199, April 1992. |
....improve the spatial cues provided to users, SAM IAM is able to display shadows cast by the sculpting tool onto the mesh. An example of this can be seen in Figure A.1 in Appendix A. The algorithm used is based on the shadow volume technique initially proposed by Crow [Cro77] and updated by Hudson [Hud92] Our algorithm improves upon these methods through use of the stencil bitplanes available on modern higher end Silicon Graphics workstations. Stencils are bitplanes which are modified by drawing routines 49 according to various pixel by pixel stencil functions involving current values of the ....
S.E. Hudson. Adding shadows to a 3d cursor. ACM Transactions on Graphics, 11(2):193--199, April 1992.
....more intuitive and useful. 4.5.2 Shadows In order to improve the spatial cues provided to users, SAM IAM is able to display shadows cast by the sculpting tool onto the mesh. The algorithm used is based on the shadow volume technique initially proposed by Crow [Cro77] and updated by Hudson [Hud92] Our algorithm improves upon these methods through use of the stencil bitplanes available on modern higher end Silicon Graphics 4.5. User Interface 15 workstations. Stencils are bitplanes which are modified by drawing routines according to various pixel by pixel stencil functions involving ....
S.E. Hudson. Adding shadows to a 3d cursor. ACMTransactions on Graphics, 11(2):193-- 199, April 1992.
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