Replaced inline copyright notice with #include "copyright.h"
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
checks to see if sample pixel hit source and changes to black to avoid artifact of overbright pixels -- assumes relatively dark surround
made bitty source drawing more efficient
bug fix in call to spotout()
Initial revision
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