		PICTURE FILTERS AND TRANSLATORS
		SCCSid "@(#)README 2.8 10/22/96 LBL"

This directory contains special and general purpose filters for RADIANCE
picture files and converters to and from other image formats.

pcond.h		header file for picture conditioning program pcond
pic.h		header file for reading and writing pictures
ciq.h		header file for color quantization routines
pict.h		header file defining Macintosh PICT format
rasterfile.h	header description for Sun rasterfiles
x11icon.h	icon for ximage (X10) program
x11raster.h	header file for X11 routines using images
xraster.h	header file for X10 routines using images
aedimage.c	display program for AED 512 color graphics terminal
biq.c		simple greyscale quantization
ciq.c		color quantization routine
closest.c	color quantization - find closest color
clrtab.c	more compact but slower replacement for ciq.c+split.c+closest.c
colorscale.c	program to produce color pallets
cut.c		color quantization - median cut algorithm
glimage.c	simple program to display image on SGI
greyscale.c	program to produce grey test levels
macbethcal.c	program to calibrate image conversion using Macbeth chart
mt160r.c	program to dump pixel file to Mannesman-Tally 160
neuclrtab.c	neural network color quantization code
oki20.c		program to dump pixel file to OkiMate 20 monochrome printer
oki20c.c	program to dump pixel file to OkiMate 20 color printer
paintjet.c	program to dump pixel file to HP PaintJet color printer
pcomb.c		combine picture files according to calcomp functions
pcompos.c	program to composite pictures
pcond.c		condition Radiance picture for display/output
pcond2.c	pcond input and output conditioning routines for pcond.
pcond3.c	pcond routines for computing and applying brightness mapping.
pcond4.c	pcond routines for veiling glare and loss of acuity.
pextrem.c	program to find min and max values in picture
pf2.c		routines used by pfilt
pf3.c		routines for gaussian and box filtering
pfilt.c		program to post-process picture file
pflip.c		flip picture file horizontally and/or vertically
pinterp.c	interpolate and extrapolate pictures with different views
pmapgen.c	affine transformation for image mapping used by macbethcal
protate.c	program to rotate picture file 90 degrees clockwise
psign.c		produce picture from text
psum.c		program to sum pictures
pvalue.c	program to print pixel values
ra_avs.c	program to convert between RADIANCE and AVS picture format
ra_bn.c		convert between RADIANCE and barneyscan picture format
ra_gif.c	program to convert from RADIANCE to GIF format
ra_pict.c	convert to Macintosh PICT file
ra_pixar.c	convert to/from PIXAR image file.
ra_ppm.c	program to convert between RADIANCE and Poskanzer Pixmaps
ra_pr.c		program to convert between RADIANCE and Sun 8-bit rasterfile
ra_pr24.c	program to convert between RADIANCE and 24-bit rasterfile
ra_ps.c		program to convert to greyscale PostScript file
ra_rgbe.c	program to convert from RADIANCE RLE to flat format
ra_skel.c	skeletal converter between RADIANCE and generic 24-bit format
ra_t16.c	program to convert between RADIANCE and Targa 15+ bit formats
ra_t8.c		program to convert between RADIANCE and Targa 8 bit format
ra_tiff.c	program to convert between RADIANCE and 24-bit TIFF files
ra_xim.c	program to convert to X11 dump file
t4027.c		program to dump pixel file to Tektronix 4027
ttyimage.c	program to dump pixel file to dumb terminal
vgaimage.c	program to display pixel file on VGA or SVGA card
x11findwind.c	function to find X11 window by name
x11image.c	picture display driver for X11
x11raster.c	routines to handle images for X11
xdebugamb.c	program for debugging ambient files (experimental)
ximage.c	picture display driver for X10R4
xraster.c	routines to handle images for X10
xshowtrace.c	display a picture under X11 and watch the rays get traced
falsecolor.csh 	C-shell script to produce false color pictures
normpat.csh	C-shell script to normalize pictures for tiling patterns
pdfblur.csh	compute views for depth of field blurring
pmblur.csh	compute views for motion blurring
xyzimage.csh	display images correctly for a particular monitor's primaries
libtiff/	TIFF image library
