/usr/share/radiance/README is in radiance-materials 4R0+20110410-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | This directory contains common auxiliary files used by Radiance. Files
with the ".cal" suffix specify procedural patterns, textures and coordinate
mappings. Files with the ".fnt" suffix are font descriptions. Files
with the ".oct" suffix are compiled scene descriptions for use in
instances. Files with the ".mat" suffix contain the names of materials
used in the corresponding ".oct" file, for exclusion in the interreflection
calculation using the -aE rendering option. Files with the ".rtm" suffix
contain a Radiance triangle mesh. Files with the ".rad" suffix contain
Radiance scene geometry or references. Files with the ".pic" suffix
are images for patterns. Note that most pictures are normalized to a
value of 1 rather than the more usual .5, and must be displayed with
the -e -1 option. This is so the material reflectance given in the
scene description holds true. (Suggested reflectances are given in
parentheses.)
adobe.cal Texture for cracked adobe surface
ball.cal Coordinate mapping for spheres
bark.cal Procedural pattern for tree bark
brick.cal Procedural pattern for brick
carpet.cal Procedural pattern for carpeting
covelight.cal Calculation of reflected fluorescent light
cyl.cal Coordinate mapping for cylinders
dirt.cal Fractal dirt function
fisheye.cal Coordinate mapping for fisheye patterns
glazing.cal BRTDfunc definitions for coated glazings
globe.cal Coordinate mapping for Earth.pic
gloss.cal Texture for glossy reflections
grating.cal Specular transmission through a rectangular grating
lcp0.cal Laser-cut panel model by Phillip Greenup
serraglaze.cal Serraglaze panel, adapted from laser-cut panel file
jigglepic.cal Coordinate jiggle for irregular natural patterns
marble.cal Procedural marble pattern
orange.cal Procedural orange texture
picture.cal Common coordinate mapping for patterns
plink.cal Definitions needed by materials in lib/material.rad
rayinit.cal Initialization file and common definitions
rev.cal Surface normal interpolation for genrev
skybright.cal Sky brightness calculation for gensky
slate.cal Procedural texture for slate stone
source.cal Common coordinate mappings for light sources (ies2rad)
speckle.cal Procedural speckle patterns for sand or granite
surf.cal Surface normal interpolation for gensurf
tilt.cal Tilt correction used by ies2rad
weave.cal Procedural weave pattern
winxmit.cal Approximation to window transmittance for sec. sources
woodpat.cal Procedural woodgrain pattern
woodtex.cal Procedural woodgrain texture
lamp.tab Table of lamp types and their CIE color coordinates
helvet.fnt Helvetica font (from Hershey set)
hexbit4x1.fnt 4 by 1 hex bit font for creating bitmaps
n.150.oct Spray of needles used by sapling.oct
sapling.oct A small pine tree sapling
tree.oct A larger pine tree built from sapling.oct
tree.mat Exclude material list for tree.oct and sapling.oct
alberta.pic A scanned vacation slide from Alberta, Canada
brick.pic A scanned brick pattern (staggered layout) (rho=16.3%)
brickweave.pic A scanned brick pattern (weave layout) (rho=19.8%)
cabin.pic A rendering of the cabin during winter
Earth.pic A picture of the Earth
forestfl.pic A scanned forest floor pattern
oakfloor.pic A scanned pattern of an oak floor
pine.pic A rendering of a small pine-like bush
pinebark.pic A scanned pattern of pine tree bark
richgrove.pic A photograph from Richardson's Grove in California
shingle.pic A scanned shake shingle pattern
tulips.pic A rendering of a tulip sculpture
tregsamp.dat 64 ray samples each for Tregenza patches 0-145
source/ Directory for light sources of different manufacturers
lib/arch.map Default material mapping for arch2rad
lib/arch.mat Default materials for arch2rad
lib/coord Radiance description of a coordinate system
lib/gamma.pic Picture for monitor gamma determination
lib/macbeth_spec.pic Picture showing Macbeth color checker colors
lib/material.rad Library of RADIANCE materials from ADELINE package
lib/rgbw.pic Picture with red, green, blue and white for mon. calib.
lib/testimg.pic Picture running through positive and negative primaries
lib/testroom Small test room used by objpict and objview
meta/ Directory with library files for metafile 2-d graphics
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