8 files changed, 2006 insertions, 0 deletions
diff --git a/chroma/color/Illuminanta.csv b/chroma/color/Illuminanta.csv
new file mode 100644
index 0000000..3dba86c
--- /dev/null
+++ b/chroma/color/Illuminanta.csv
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diff --git a/chroma/color/__init__.py b/chroma/color/__init__.py
new file mode 100644
index 0000000..a8e7550
--- /dev/null
+++ b/chroma/color/__init__.py
@@ -0,0 +1,2 @@
+from chromaticity import map_wavelength
+from colormap import map_to_color
diff --git a/chroma/color/chromaticity.py b/chroma/color/chromaticity.py
new file mode 100644
index 0000000..0076957
--- /dev/null
+++ b/chroma/color/chromaticity.py
@@ -0,0 +1,21 @@
+import numpy as np
+from os.path import realpath, dirname
+from chroma.tools import read_csv
+
+color_map = read_csv(dirname(realpath(__file__)) + '/ciexyz64_1.csv')
+
+def map_wavelength(wavelength):
+    r = np.interp(wavelength, color_map[:,0], color_map[:,1])
+    g = np.interp(wavelength, color_map[:,0], color_map[:,2])
+    b = np.interp(wavelength, color_map[:,0], color_map[:,3])
+
+    if np.iterable(wavelength):
+        rgb = np.empty((len(wavelength),3))
+
+        rgb[:,0] = r
+        rgb[:,1] = g
+        rgb[:,2] = b
+
+        return rgb
+    else:
+        return np.array([r,g,b])
diff --git a/chroma/color/ciexyz64_1.csv b/chroma/color/ciexyz64_1.csv
new file mode 100644
index 0000000..f437db7
--- /dev/null
+++ b/chroma/color/ciexyz64_1.csv
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+826,0.000001963600,0.000000794640,0.000000000000
+827,0.000001851900,0.000000749780,0.000000000000
+828,0.000001746500,0.000000707440,0.000000000000
+829,0.000001647100,0.000000667480,0.000000000000
+830,0.000001553140,0.000000629700,0.000000000000
+\ No newline at end of file
diff --git a/chroma/color/colormap.py b/chroma/color/colormap.py
new file mode 100644
index 0000000..6f3e056
--- /dev/null
+++ b/chroma/color/colormap.py
@@ -0,0 +1,20 @@
+import numpy as np
+import matplotlib.cm as cm
+
+def map_to_color(a, range=None, map=cm.hsv, weights=None):
+    a = np.asarray(a)
+    if range is None:
+        range = (a.min(), a.max())
+
+    ax = (a - range[0])/(range[1]-range[0])
+
+    frgba = map(ax)
+
+    if weights is not None:
+        frgba[:,0] *= weights
+        frgba[:,1] *= weights
+        frgba[:,2] *= weights
+
+    rgba = (frgba*255).astype(np.uint32)
+
+    return rgba[:,0] << 16 | rgba[:,1] << 8 | rgba[:,2]
diff --git a/chroma/color/sbrgb10w.csv b/chroma/color/sbrgb10w.csv
new file mode 100644
index 0000000..b654ad3
--- /dev/null
+++ b/chroma/color/sbrgb10w.csv
@@ -0,0 +1,89 @@
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+395,3.8000E-03,-1.0000E-03,1.6100E-02
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+635,1.5179E+00,1.1200E-02,-1.4100E-04
+640,1.2428E+00,4.4000E-03,-5.4900E-05
+645,1.0070E+00,7.8000E-05,-2.2000E-06
+650,7.8270E-01,-1.3680E-03,2.3700E-05
+655,5.9340E-01,-1.9880E-03,2.8600E-05
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+665,3.2830E-01,-2.0060E-03,2.2500E-05
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+790,5.1800E-05,-2.0800E-07,2.2700E-09
+795,3.7700E-05,-1.3700E-07,1.5000E-09
+800,2.7600E-05,-8.8000E-08,9.8600E-10
+805,2.0300E-05,-5.5300E-08,6.3900E-10
+810,1.4900E-05,-3.3600E-08,4.0700E-10
+815,1.1000E-05,-1.9600E-08,2.5300E-10
+820,8.1800E-06,-1.0900E-08,1.5200E-10
+825,6.0900E-06,-5.7000E-09,8.6400E-11
+830,4.5500E-06,-2.7700E-09,4.4200E-11
+\ No newline at end of file
diff --git a/chroma/color/scvle_1.csv b/chroma/color/scvle_1.csv
new file mode 100644
index 0000000..0ab7def
--- /dev/null
+++ b/chroma/color/scvle_1.csv
@@ -0,0 +1,401 @@
+380, 0.0005890000
+381, 0.0006650000
+382, 0.0007520000
+383, 0.0008540000
+384, 0.0009720000
+385, 0.0011080000
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+\ No newline at end of file
diff --git a/chroma/color/vl1924e_1.csv b/chroma/color/vl1924e_1.csv
new file mode 100644
index 0000000..8b240c0
--- /dev/null
+++ b/chroma/color/vl1924e_1.csv
@@ -0,0 +1,471 @@
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