--- ray/src/rt/README	1991/11/25 09:51:12	2.2
+++ ray/src/rt/README	1995/08/25 20:03:50	2.6
@@ -3,10 +3,12 @@
 
 This directory contains the RADIANCE renderers "rpict", "rtrace" and "rview".
 
+VERSION		system version number
 ambient.h	common definitions for interreflection routines
 data.h		header file for routines which interpolate data
 driver.h	header file for interactive device drivers
 func.h		header file for modifiers using function files
+newsconstants.h	header for NeWS driver
 nwsdev.h	header file for NeWS driver
 otspecial.h	special type flags for objects used in rendering
 ray.h		header file for routines using rays
@@ -15,19 +17,24 @@ source.h	header file for ray tracing sources
 x11icon.h	icon for rview under X11
 x11twind.h	header for X11 text window routines
 xtwind.h	header for X10 text window routines
-Version.c	program version
+Version.c	program version (made from VERSION and current date)
 aed.c		driver for AED 512 terminal
 ambcomp.c	routines to compute "ambient" values using Monte Carlo
 ambient.c	routines dealing with ambient (inter-reflected) component
-caldefn.c	store variable definitions
-calexpr.c	compute data values using expression parser
+ambio.c		ambient value input and output routines
+aniso.c		material functions for plastic2, metal2 and trans2
+caldefn.c	store variable definitions (symbolic link to ../common)
+calexpr.c	compute data values using expression parser (symbolic link)
 colortab.c	allocate and control dynamic color table
 data.c		routines dealing with interpolated data
 devcomm.c	communication routines for separate drivers
 devmain.c	main for independent drivers
 devtable.c	device table for rview
 dielectric.c	shading function for transparent materials
+duphead.c	routine to duplicate picture header multiple times
 editline.c	routine for editing raw input for rview
+fprism.c	routines for prismatic glazing calculations
+freeobjmem.c	routines for freeing unneeded object structures
 func.c		interface to calcomp functions
 glass.c		simpler shading function for thin glass surfaces
 initotypes.c	initialize ofun[] list for renderers
@@ -36,18 +43,23 @@ m_brdf.c	shading for materials with arbitrary BRDF's
 m_clip.c	routine for clipped (cut) objects
 m_direct.c	routines for prism material types
 m_mirror.c	routines for mirror material supporting virtual light sources
+malloc.c	memory allocation routines (symbolic link to ../common)
+msmouse.c	MS-DOS mouse-handling routine for rview
 mx_data.c	routine for stored mixtures
 mx_func.c	routine for mixture functions
 noise3.c	noise functions for random textures
 normal.c	shading function for normal materials
 nwsdev.c	NeWS driver, by Isaac Kwo
+nwsdev.cps	NeWS driver source
 o_cone.c	routine to determine ray intersection with cones
 o_face.c	compute ray intersection with faces
 o_instance.c	routines for computing ray intersections with octrees
 p_data.c	routine for stored patterns
 p_func.c	routine for procedural patterns
+persist.c	routines for persistent (& parallel) execution
+preload.c	routines for preloading (initializing) data structures
 raytrace.c	routines for tracing and shading rays
-readfargs.c	allocate, read and free object arguments
+readfargs.c	allocate, read and free object arguments (symbolic link)
 rmain.c		main for ray tracing programs
 rpict.c		routines and variables for picture generation
 rtrace.c	program and variables for individual ray tracing
@@ -64,9 +76,12 @@ t_data.c	routine for stored textures
 t_func.c	routine for procedural textures
 text.c		functions for text patterns and mixtures
 tty.c		i/o for terminal drivers
+vga.c		MS-DOS VGA driver
 virtuals.c	routines for simulating virtual light sources
 x10.c		driver for X-windows version 10R4
 x11.c		driver for X-windows version 11R3
 x11twind.c	routines for X11 text windows
 xtwind.c	routines for X text windows
 zeroes.c	compute roots for various equations
+rayinit.cal	initialization function file
+suntools.icon	icon for Sun Windows driver