Method and apparatus for applying modulated lighting to volume data in a rendering pipeline
摘要
Samples of a volume are lighted in a rendering pipeline by having a first arithmetic unit combine a modulated emissive coefficient with a modulated diffuse coefficient and a modulated diffuse intensity. A second arithmetic logic unit combines a specular coefficient with a modulated specular intensity and an opacity component of the sample. A third arithmetic unit combines the output of the second arithmetic logic unit and specular colors of the sample. A fourth arithmetic logic unit combines the output of the first arithmetic unit with colors of the sample, and a fifth arithmetic logic unit combines the output of the third and fourth arithmetic units to illuminate the sample. <IMAGE>
申请公布号
EP1054347(A3)
申请公布日期
2003.04.16
申请号
EP20000109965
申请日期
2000.05.11
申请人
TERARECON, INC., A DELAWARE CORPORATION
发明人
KNITTEL, JAMES M.;HARDENBERGH, JAN C.;PFISTER, HANSPETER;KANUS, URS H.;MARTIN, DREW R.;MOKREN, FREDERIC H.