Scons update for mingw.
Switched to using defined view types
Added planisphere view type (-vts option) as requested by Axel Jacobs
Added some additional (and probably unnecessary) fflush() calls
Using RT_PID instead of int.
Compatibility fixes as suggested by Siegbert Debatin.
Added flush to stdout for parallel rendering command
Added -n option to mkillum for multiprocessing on shared memory machine
Made it so rad accepts 'scene' variable with commands only
Continued ANSIfication.
Renamed rview, lam, calc, and neat to rvu, rlam, icalc, and neaten
Added simplistic win_netproc.c and various other compatibility fixes.
Minor comment changes
Increased default ambient options in rpict, rtrace, rview, rad & mkillum
Added grouping parens to reduce ambiguity warnings.
Eliminated copystruct() macro, which is unnecessary in ANSI. Reduced ambiguity warnings for nested if/if/else clauses.
Moved some more platform dependencies to common header files. Included a few necessary system headers.
Reduced compile problems on Windows.
Allowed rad to use rpict -PP option and corrected CAPDATE output
Added -N option to rad for parallel rendering (preliminary w/o using -PP)
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Abstracted process and path handling for Windows. Renamed FLOAT to RREAL because of conflict on Windows. Added conditional compiles for some signal handlers.
Macros for setting binary file mode. Replacing MSDOS by _WIN32.
Final updates for official 3.5 release
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
modified "scene" variable to allow in-line commands
fixed bug in printing of VIEW's with -vf option
added default value for EYESEP variable
added EYESEP variable for stereo viewing
made variable ordering alphabetical for easier parsing
made it so rad prints out standard views with -V option
removed -aw setting from renderers (too many artifacts)
added function pointer for matching variables to setvariable
added -aw ambient value weight option to renderers
changed parameter to nvalue()
added vflt() macro
change xferopts() to put @file on line by itself
moved variable loading and checking to loadvars.c
added setting of new -ms option for medium sampling
forgot to remove illumtmp file upon oconv failure increased command line length for oconv and getbbox in the case of many files
Changed RAWSAVE to RAWFILE (and changed meaning) added ZFILE variable to rad
added cylindrical view type
added RAWSAVE variable to rad to save original rpict output
reduced -dj maximum to .65 (was .7)
added -t (touch) option
added a bit of paranoia to oconv() for incorrect system clocks
improved checking of ZONE arguments
separated picture options so OPTFILE may be used by rtrace
added -w option to avoid warnings on variable assignments
improved intelligence of putvals() to prevent line overflow
compatibility fixes
fixed PC bug in time() call
fixed minor compiler warning
fixed very serious and stupid bug that set QUA=Hi to QUA=Lo
fixed bug introduced in last change
improved checking of legal variable values
added -pe option to rview
increased direct jitter for medium quality penumbras
fixed bug in newfname() when directory contains '.'
changed fdate() return to unsigned long added illum and mkillum variables for calling mkillum program changed getoctcube() to call getbbox program with -n and no previous octree
changed setvariable() to squeeze spaces together
fixed view echoing for MS-DOS
boosted values for -dp by a factor of 4 overall
added -R option to rview
changed -V so it doesn't take view option or cancel other options
added -V option for spitting out view -- not foolproof with -vf
added numeric view specification
bug fix in standard view specification with rpict
changed values for -st rendering option
bumped up hemisphere sampling values
change file expansion character from '^' to '@'
increased value for -m in pfiltopts()
fixed rpict routine so it would remake pictures after material change
modified parameters for new pfilt
needed to remove ambient file on update of materials as well
improved format of options file
bug fix since last change (2.8) in specview()
added VIEW environment variable for dumb ol' MS-DOS
remove outdated ambient file before rview run as well as rpict
fixed potential problem in failed overture calculation (recovery!)
minor change in setting of -ab
numerous minor bug fixes and enhancements
various bug fixes and improvements
added routines to set rendering options
Initial revision
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