202 search results - page 22 / 41 » Opacity Shadow Maps |
NPAR
2006
ACM
14 years 2 months ago
2006
ACM
: Some example effects achieved by our extended toon shader: continuous levels of abstraction (a); abstraction of near-silhouette regions: smoothing (b), and opacity (c); backlight...
VISUALIZATION
2003
IEEE
14 years 2 months ago
2003
IEEE
Direct volume rendering of scalar fields uses a transfer function to map locally measured data properties to opacities and colors. The domain of the transfer function is typicall...
VG
2001
13 years 10 months ago
2001
The proper usage and creation of transfer functions for time-varying data sets is an often ignored problem in volume visualization. Although methods and guidelines exist for time-i...
TVCG
2012
11 years 11 months ago
2012
Abstract—We have developed an intuitive method to semi-automatically explore volumetric data in a focus-region-guided or valuedriven way using a user defined ray through the 3D ...
CGF
2002
13 years 8 months ago
2002
Projective texture mapping is used to project a texture map onto scene geometry. It has been used in many applications, since it eliminates the assignment of fixed texture coordin...