Add shading to multi-volume rendering
- Add lighting computation to multi-volume case
- Use per-volume lighting directions
Co-authored-by: Kyle Sunderland 1krs1@queensu.ca
Supersede !7083 (closed)
Edited by Michael Migliore
Co-authored-by: Kyle Sunderland 1krs1@queensu.ca
Supersede !7083 (closed)