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
changed getheader() to listen to return value of passed function
added default value of -1 to T(n) for pictures w/o view parameters
added definition of constant PI
fixed S(n) function and added T(n) function and pa(n) and WE constants
added computation of pixel solid angle ("S" variable)
added compatibility with Radiance XYZE picture format
fixed potential bug in eclock tracking
Added new ID to first line of header and changed use of formatval
increased default window to +/- 8 pixels instead of 4
changed a range error to a domain error in l_ray()
fixed bug in computation of image location in l_ray()
added origin and direction functions O[xyz](i), D[xyz](i)
fixed Usage message (added -o)
Removed problematic math function declarations
Changes for PC port
portability fixes
slight change to quit() routine
improved reaping of child processes
added wait call to reap child processes
changed header information for commands
updated revision number for release 2.0
Improved handling of scanline ordering
bug fix
inconsequential changes
fixed outdated usages message
added ability to open commands as well as files
changed code for output resolution to allow changes from input
changed operation of -o option
bug fixes after last change
made it so constants are assigned before expressions are compiled added rc, gc, bc, and lc functions for returning image coefficients
added access to adjacent pixels for filtering, etc.
changed assignment slightly for efficiency
changed parameters to funset() call
arguments to varset() changed
added format information to headers
added -o option for original values
added variables for luminance in and out, xres, yres, nfiles
changed arguments to scompile()
Increased maximum number of files -- let system say otherwise
added calls to get/put picture resolution (bug fix)
Changed variable evaluation to use pointer
Added coefficient for faster combination
Changed default from average to sum
Initial revision
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