!--------------------------- Windows 16 colour palette (RGB colour values)
black      =       0   0   0
navy       =       0   0 127
green      =       0 127   0
teal       =       0 127 127
maroon     =     127   0   0
purple     =     127   0 127
olive      =     127 127   0
grey       =     127 127 127
lightgrey  =     191 191 191
blue       =       0   0 255
lime       =       0 255   0
aqua       =       0 255 255
red        =     255   0   0
fuchsia    =     255   0 255
yellow     =     255 255   0
white      =     255 255 255
!--------------------------- Windows 16 colour palette (Palette indices)
igrey      =       0
inavy      =       1
igreen     =       2
iteal      =       3
ired       =       4
ipurple    =       5
imaroon    =       6
iwhite     =       7
ilightgrey =       8
iaqua      =       9
ilime      =      10
iblue      =      11
iolive     =      12
ifuchsia   =      13
iyellow    =      14
iblack     =      15
!--------------------------- ... two of those are known under different names outside the Windows world.
cyan       =       0 255 255
magenta    =     255   0 255
!--------------------------- Some other common colours
brown      =     165  42  42
beige      =     245 245 220
gold       =     255 215   0
pink       =     255 192 203
violet     =     238 130 238
orange     =     255 165   0
!--------------------------- A grey wedge in 10% increments
grey0      =       0   0   0
grey10     =      26  26  26
grey20     =      51  51  51
grey30     =      77  77  77
grey40     =     102 102 102
grey50     =     127 127 127
grey60     =     153 153 153
grey70     =     179 179 179
grey80     =     204 204 204
grey90     =     229 229 229
grey100    =     255 255 255
!--------------------------- Some more 'exotic' colours from the X11 palette
ivory      =     255 255 240
azure      =     240 255 255
lavender   =     230 230 250
dimgrey    =     105 105 105
slategrey  =     112 128 144
midnight   =      25  25 112
cornflower =     100 149 237
mediumblue =       0   0 205
royalblue  =      65 105 225
skyblue    =     135 206 235
steelblue  =      70 130 180
lightblue  =     173 216 230
turquoise  =      64 224 208
aquamarine =     127 255 212
darkgreen  =       0 100   0
seagreen   =      46 139  87
palegreen  =     152 251 152
lawngreen  =     124 252   0
greenyellow =    173 255  47
yellowgreen =    154 205  50
forestgreen =     34 139  34
darkkhaki   =    189 183 107
khaki       =    240 230 140
lightyellow =    255 255 224
darkgold    =    184 134  11
indianred   =    205  92  92
saddlebrown =    139  69  19
sienna      =    160  82  45
wheat       =    245 222 179
sandybrown  =    244 164  96
tan         =    210 180 140
chocolate   =    210 105  30
firebrick   =    178  34  34
salmon      =    250 128 114
coral       =    255 127  80
tomato      =    255  99  71
orangered   =    255  69   0
hotpink     =    255 105 180
plum        =    221 160 221
orchid      =    218 112 214
thistle     =    216 191 216
!--------------------------- LAS 1.1 Class IDs
unclassified =     0
undetermined =     1
ground       =     2
vegetation_low   = 3
vegetation_medium= 4
vegetation_high  = 5
building     =     6
noise        =     7
key_point    =     8
water        =     9
overlap      =    12
!--------------------------- time offsets
daybefore    = 86400
!---------------------------  filter matrices
fillgaps     =  1 1 1;1 0 1;1 1 1
!--- low pass
gauss3       =  1 2 1;2 4 2;1 2 1
average3     =  1 1 1;1 1 1;1 1 1
average3+    =  0 1 0;1 1 1;0 1 0
average3x    =  1 0 1;0 1 0;1 0 1
lowpass1     =  1 1 1;1 2 1;1 1 1
lowpass2     =  1 1 1;1 4 1;1 1 1
lowpass3     =  1 1 1;1 8 1;1 1 1
average5     =  1 1 1 1 1;1 1 1 1 1;1 1 1 1 1
!--- high pass
meanremoval3 = -1 -1 -1;-1  9 -1;-1 -1 -1
highpass1    =  0 -1  0;-1  5 -1; 0 -1  0
highpass2    =  1 -2  1;-2  5 -2; 1 -2  1
highpass3    =  0 -1  0;-1 20 -1; 0 -1  0
!--- first order derivatives
robertsrow   = -1  0  0; 0  1  0; 0  0  0                     !
robertscol   =  0  0 -1; 0  1  0; 0  0  0                     !
prewittrow   =  1  0 -1; 1  0 -1; 1  0 -1                     !
prewittcol   = -1 -1 -1; 0  0  0; 1  1  1                     !
sobelrow     =  1  0 -1; 2  0 -2; 1  0 -1                     !
sobelcol     = -1 -2 -1; 0  0  0; 1  2  1                     !
freichenrow  =  1  0 -1;1.414213562 0 -1.414213562;1  0 -1    !
freichencol  = -1 -1.414213562 -1;0 0 0;1 1.414213562 1       !