| Revision: | 1.1 |
| Committed: | Sat Feb 22 02:07:21 2003 UTC (21 years, 2 months ago) by greg |
| Branch: | MAIN |
| CVS Tags: | rad3R7P2, rad3R7P1, rad4R1, rad4R0, rad3R5, rad3R6, rad3R6P1, rad3R8, rad3R9 |
| Log Message: | Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | greg | 1.1 | { |
| 2 | Compute difference between luminance of two images. | ||
| 3 | Display towards red where first image is brighter, | ||
| 4 | and towards blue where second image is brighter. | ||
| 5 | |||
| 6 | 29 August 1991 | ||
| 7 | } | ||
| 8 | l1=li(1); l2=li(2); | ||
| 9 | avg=(l1+l2)/2; | ||
| 10 | dif=(l1-l2)/2; | ||
| 11 | ro=avg+dif; | ||
| 12 | go=avg-dif*dif/2; | ||
| 13 | bo=avg-dif; |