fix(lookamb): Added step to ensure normals are normalized
feat(rpict,rtrace,rcontrib,rtpict): Hyperspectral rendering (except photon map)
Stripped out code related to old (pre-Hessian) ambient calculation
Minor compiler warnings fixed
Officially replaced ambient calculation with new Hessian-based error control
Moved blank line to end for annotated output
Added "corral" flags to prevent light leaks in new calculation (-DNEWAMB)
Fixed numerous errors in Hessian (-DNEWAMB) calculation, doubtless more to go
Partial implementation of Hessian gradient calculation (-DNEWAMB)
Continued ANSIfication. There are only bits and pieces left now.
Macros for setting binary file mode. Replacing MSDOS by _WIN32.
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
Added new ID to first line of header and changed use of formatval
minor compiler warning fixes
added setmode(fd,O_BINARY) where needed for MSDOS
added header and magic number to ambient value file
made ambient files portable between machines
updated revision number for release 2.0
fixed small bug
created ambient.h and ambcomp.c files
changed size of AMBVAL structure
improved portability and speed of bcopy()
Initial revision
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