[GRASS-SVN] r30831 - in grass-addons/raster/r.colors.tools: . palettes

[svn_grass at osgeo.org]

Author: hamish
Date: 2008-04-01 06:26:44 -0400 (Tue, 01 Apr 2008)
New Revision: 30831

Added:
   grass-addons/raster/r.colors.tools/palettes/
   grass-addons/raster/r.colors.tools/palettes/palette_chl_etc.gcolors
   grass-addons/raster/r.colors.tools/palettes/palette_sst.gcolors
Log:
GRASS Color rules for processed MODIS Ocean Color SST and Chlorophyll a Products

#### create color rules ####
# Original palettes from Goddard's OceanColor
#   http://oceancolor.gsfc.nasa.gov/PRODUCTS/colorbars.html

# scale 0-255 to 0-65535 and then convert to chlor-a values
echo "# Color rules for MODIS Chloropyll-a" > palette_chl_etc.gcolors
Slope=5.813776e-05
Intercept=-2
cat palette_chl_etc.txt | grep -v '^#' | \
  awk -v Slope=$Slope -v Intercept=$Intercept \
      '{ printf("%f %d:%d:%d\n", \
         10^((Slope * (($1 +1)^2 -1)) + Intercept), $2, $3, $4)}' \
      >> palette_chl_etc.gcolors
echo "nv black" >> palette_chl_etc.gcolors
# better: edit last rule to be 64.574061 100:0:0

# scale 0-255 to 0-65535 and then convert to temperature values
echo "# Color rules for MODIS SST" > palette_sst.gcolors
Slope=0.000717185
Intercept=-2
cat palette_sst.txt | grep -v '^#' | \
  awk -v Slope=$Slope -v Intercept=$Intercept \
      '{ printf("%f %d:%d:%d\n", \
         (Slope * (($1 +1)^2 -1) + Intercept), $2, $3, $4)}' \
      >> palette_sst.gcolors
echo "nv black" >> palette_sst.gcolors
# better: edit last rule to be 45.000719 206:206:206



Added: grass-addons/raster/r.colors.tools/palettes/palette_chl_etc.gcolors
===================================================================
--- grass-addons/raster/r.colors.tools/palettes/palette_chl_etc.gcolors	                        (rev 0)
+++ grass-addons/raster/r.colors.tools/palettes/palette_chl_etc.gcolors	2008-04-01 10:26:44 UTC (rev 30831)
@@ -0,0 +1,261 @@
+# Color rules for MODIS Chloropyll-a
+#  Original palettes from Goddard's OceanColor
+#  http://oceancolor.gsfc.nasa.gov/PRODUCTS/colorbars.html
+#
+nv black
+0.010000 0:0:0
+0.010004 144:0:111
+0.010011 141:0:114
+0.010020 138:0:117
+0.010032 135:0:120
+0.010047 132:0:123
+0.010064 129:0:126
+0.010085 126:0:129
+0.010108 123:0:132
+0.010133 120:0:135
+0.010162 117:0:138
+0.010193 114:0:141
+0.010227 111:0:144
+0.010264 108:0:147
+0.010304 105:0:150
+0.010347 102:0:153
+0.010393 99:0:156
+0.010442 96:0:159
+0.010494 93:0:162
+0.010549 90:0:165
+0.010607 87:0:168
+0.010668 84:0:171
+0.010732 81:0:174
+0.010800 78:0:177
+0.010871 75:0:180
+0.010946 72:0:183
+0.011024 69:0:186
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+0.011190 63:0:192
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Added: grass-addons/raster/r.colors.tools/palettes/palette_sst.gcolors
===================================================================
--- grass-addons/raster/r.colors.tools/palettes/palette_sst.gcolors	                        (rev 0)
+++ grass-addons/raster/r.colors.tools/palettes/palette_sst.gcolors	2008-04-01 10:26:44 UTC (rev 30831)
@@ -0,0 +1,261 @@
+# Color rules for MODIS SST
+#  Original palettes from Goddard's OceanColor
+#  http://oceancolor.gsfc.nasa.gov/PRODUCTS/colorbars.html
+#
+nv black
+-2.000000 91:10:118
+-1.997848 99:9:139
+-1.994263 112:7:171
+-1.989242 124:7:202
+-1.982788 130:7:223
+-1.974899 128:7:234
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