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- From: vpegorar@sci.utah.edu
- To: manta@sci.utah.edu
- Subject: [MANTA] r488 - in trunk/Core: . Color Math Util
- Date: Tue, 23 Aug 2005 13:51:47 -0600 (MDT)
Author: vpegorar
Date: Tue Aug 23 13:51:45 2005
New Revision: 488
Added:
trunk/Core/Color/Colorimetry.cc
trunk/Core/Color/Colorimetry.h
trunk/Core/Math/Physics.cc
trunk/Core/Math/Physics.h
trunk/Core/Util/ColorMap.cc
trunk/Core/Util/ColorMap.h
Modified:
trunk/Core/CMakeLists.txt
Log:
Added utilities for color space conversions, physics stuff, and a ColorMap
class.
Modified: trunk/Core/CMakeLists.txt
==============================================================================
--- trunk/Core/CMakeLists.txt (original)
+++ trunk/Core/CMakeLists.txt Tue Aug 23 13:51:45 2005
@@ -1,26 +1,29 @@
-
-SET (CORE_SOURCES)
-SET (CORE_SOURCES ${CORE_SOURCES}
- Color/ColorDB.cc
- Color/RGBColor.cc
- Color/GrayColor.cc)
-SET (CORE_SOURCES ${CORE_SOURCES}
- Geometry/PointVector.cc
- )
-SET (CORE_SOURCES ${CORE_SOURCES}
- Exceptions/BadPrimitive.cc
- Exceptions/IllegalArgument.cc
- Exceptions/UnknownColor.cc
- )
-SET (CORE_SOURCES ${CORE_SOURCES}
- Math/MT_RNG.cc
- Math/Noise.cc)
-SET (CORE_SOURCES ${CORE_SOURCES}
- Util/Args.cc)
-SET (CORE_SOURCES ${CORE_SOURCES}
- Geometry/AffineTransform.cc
- )
-
-ADD_LIBRARY (Manta_Core ${CORE_SOURCES})
-
-TARGET_LINK_LIBRARIES(Manta_Core SCIRun_Core)
+
+SET (CORE_SOURCES)
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Color/ColorDB.cc
+ Color/RGBColor.cc
+ Color/GrayColor.cc
+ Color/Colorimetry.cc)
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Geometry/PointVector.cc
+ )
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Exceptions/BadPrimitive.cc
+ Exceptions/IllegalArgument.cc
+ Exceptions/UnknownColor.cc
+ )
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Math/Physics.cc
+ Math/MT_RNG.cc
+ Math/Noise.cc)
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Util/Args.cc
+ Util/ColorMap.cc)
+SET (CORE_SOURCES ${CORE_SOURCES}
+ Geometry/AffineTransform.cc
+ )
+
+ADD_LIBRARY (Manta_Core ${CORE_SOURCES})
+
+TARGET_LINK_LIBRARIES(Manta_Core SCIRun_Core)
Added: trunk/Core/Color/Colorimetry.cc
==============================================================================
--- (empty file)
+++ trunk/Core/Color/Colorimetry.cc Tue Aug 23 13:51:45 2005
@@ -0,0 +1,360 @@
+
+#include <Core/Color/Colorimetry.h>
+
+
+//
--------------------------------------------------------------------------------------
+// -- The tristimulus curves. Represented as series of triplets for the X,
Y, Z
+// -- responses from 375.5nm to 799.5nm at 1nm intervals.
+//
--------------------------------------------------------------------------------------
+float const g_TristimulusCurves[FULL_SPECTRUM_SIZE][3] = {
+ { 0.00003f, 0.00000f, 0.00013f }, { 0.00023f, 0.00000f, 0.00107f },
+ { 0.00056f, 0.00000f, 0.00259f }, { 0.00094f, 0.00000f, 0.00432f },
+ { 0.00127f, 0.00000f, 0.00589f }, { 0.00150f, 0.00001f, 0.00698f },
+ { 0.00165f, 0.00003f, 0.00771f }, { 0.00176f, 0.00005f, 0.00831f },
+ { 0.00189f, 0.00007f, 0.00897f }, { 0.00207f, 0.00009f, 0.00988f },
+ { 0.00235f, 0.00010f, 0.01120f }, { 0.00267f, 0.00010f, 0.01276f },
+ { 0.00304f, 0.00010f, 0.01454f }, { 0.00346f, 0.00010f, 0.01657f },
+ { 0.00394f, 0.00010f, 0.01885f }, { 0.00447f, 0.00011f, 0.02138f },
+ { 0.00501f, 0.00012f, 0.02396f }, { 0.00561f, 0.00014f, 0.02677f },
+ { 0.00629f, 0.00016f, 0.03002f }, { 0.00712f, 0.00019f, 0.03393f },
+ { 0.00813f, 0.00022f, 0.03869f }, { 0.00930f, 0.00025f, 0.04423f },
+ { 0.01061f, 0.00029f, 0.05041f }, { 0.01202f, 0.00034f, 0.05712f },
+ { 0.01353f, 0.00038f, 0.06423f }, { 0.01505f, 0.00042f, 0.07145f },
+ { 0.01645f, 0.00045f, 0.07808f }, { 0.01790f, 0.00048f, 0.08496f },
+ { 0.01962f, 0.00051f, 0.09314f }, { 0.02184f, 0.00056f, 0.10370f },
+ { 0.02471f, 0.00064f, 0.11740f }, { 0.02802f, 0.00074f, 0.13322f },
+ { 0.03177f, 0.00085f, 0.15120f }, { 0.03604f, 0.00098f, 0.17161f },
+ { 0.04086f, 0.00112f, 0.19473f }, { 0.04625f, 0.00128f, 0.22059f },
+ { 0.05200f, 0.00145f, 0.24819f }, { 0.05827f, 0.00162f, 0.27828f },
+ { 0.06527f, 0.00183f, 0.31191f }, { 0.07321f, 0.00207f, 0.35014f },
+ { 0.08225f, 0.00234f, 0.39372f }, { 0.09223f, 0.00263f, 0.44172f },
+ { 0.10311f, 0.00296f, 0.49410f }, { 0.11491f, 0.00332f, 0.55107f },
+ { 0.12766f, 0.00376f, 0.61285f }, { 0.14154f, 0.00426f, 0.68033f },
+ { 0.15714f, 0.00485f, 0.75637f }, { 0.17383f, 0.00549f, 0.83784f },
+ { 0.19077f, 0.00619f, 0.92075f }, { 0.20711f, 0.00692f, 1.00112f },
+ { 0.22228f, 0.00769f, 1.07614f }, { 0.23713f, 0.00849f, 1.14994f },
+ { 0.25159f, 0.00933f, 1.22211f }, { 0.26533f, 0.01021f, 1.29115f },
+ { 0.27803f, 0.01113f, 1.35558f }, { 0.28946f, 0.01208f, 1.41427f },
+ { 0.29986f, 0.01306f, 1.46841f }, { 0.30928f, 0.01408f, 1.51820f },
+ { 0.31771f, 0.01514f, 1.56354f }, { 0.32515f, 0.01624f, 1.60434f },
+ { 0.33157f, 0.01738f, 1.64040f }, { 0.33689f, 0.01857f, 1.67135f },
+ { 0.34120f, 0.01980f, 1.69767f }, { 0.34461f, 0.02106f, 1.71995f },
+ { 0.34724f, 0.02235f, 1.73879f }, { 0.34914f, 0.02365f, 1.75445f },
+ { 0.35008f, 0.02495f, 1.76571f }, { 0.35018f, 0.02628f, 1.77326f },
+ { 0.34965f, 0.02764f, 1.77812f }, { 0.34868f, 0.02906f, 1.78131f },
+ { 0.34741f, 0.03056f, 1.78349f }, { 0.34557f, 0.03210f, 1.78338f },
+ { 0.34323f, 0.03370f, 1.78132f }, { 0.34055f, 0.03536f, 1.77799f },
+ { 0.33767f, 0.03710f, 1.77407f }, { 0.33472f, 0.03892f, 1.77022f },
+ { 0.33169f, 0.04080f, 1.76646f }, { 0.32845f, 0.04276f, 1.76213f },
+ { 0.32489f, 0.04480f, 1.75650f }, { 0.32090f, 0.04691f, 1.74888f },
+ { 0.31638f, 0.04911f, 1.73881f }, { 0.31147f, 0.05139f, 1.72716f },
+ { 0.30614f, 0.05376f, 1.71372f }, { 0.30036f, 0.05620f, 1.69801f },
+ { 0.29411f, 0.05871f, 1.67958f }, { 0.28738f, 0.06130f, 1.65822f },
+ { 0.28026f, 0.06393f, 1.63487f }, { 0.27269f, 0.06663f, 1.60900f },
+ { 0.26456f, 0.06943f, 1.57982f }, { 0.25577f, 0.07237f, 1.54653f },
+ { 0.24617f, 0.07546f, 1.50810f }, { 0.23549f, 0.07865f, 1.46342f },
+ { 0.22410f, 0.08197f, 1.41439f }, { 0.21244f, 0.08544f, 1.36326f },
+ { 0.20094f, 0.08909f, 1.31231f }, { 0.18994f, 0.09296f, 1.26308f },
+ { 0.17902f, 0.09700f, 1.21318f }, { 0.16818f, 0.10122f, 1.16290f },
+ { 0.15751f, 0.10563f, 1.11322f }, { 0.14714f, 0.11023f, 1.06508f },
+ { 0.13713f, 0.11503f, 1.01942f }, { 0.12737f, 0.12004f, 0.97620f },
+ { 0.11787f, 0.12526f, 0.93452f }, { 0.10868f, 0.13064f, 0.89346f },
+ { 0.09986f, 0.13618f, 0.85209f }, { 0.09143f, 0.14183f, 0.80939f },
+ { 0.08330f, 0.14754f, 0.76484f }, { 0.07552f, 0.15338f, 0.71986f },
+ { 0.06815f, 0.15947f, 0.67607f }, { 0.06125f, 0.16591f, 0.63511f },
+ { 0.05489f, 0.17278f, 0.59834f }, { 0.04907f, 0.17992f, 0.56498f },
+ { 0.04373f, 0.18738f, 0.53427f }, { 0.03880f, 0.19525f, 0.50562f },
+ { 0.03420f, 0.20361f, 0.47843f }, { 0.02988f, 0.21252f, 0.45229f },
+ { 0.02593f, 0.22187f, 0.42779f }, { 0.02234f, 0.23169f, 0.40489f },
+ { 0.01906f, 0.24203f, 0.38339f }, { 0.01609f, 0.25293f, 0.36307f },
+ { 0.01338f, 0.26439f, 0.34383f }, { 0.01098f, 0.27628f, 0.32598f },
+ { 0.00888f, 0.28869f, 0.30939f }, { 0.00707f, 0.30178f, 0.29384f },
+ { 0.00555f, 0.31569f, 0.27912f }, { 0.00431f, 0.33057f, 0.26513f },
+ { 0.00332f, 0.34647f, 0.25233f }, { 0.00261f, 0.36319f, 0.24045f },
+ { 0.00223f, 0.38055f, 0.22912f }, { 0.00224f, 0.39832f, 0.21795f },
+ { 0.00265f, 0.41637f, 0.20663f }, { 0.00337f, 0.43487f, 0.19542f },
+ { 0.00446f, 0.45384f, 0.18442f }, { 0.00599f, 0.47323f, 0.17370f },
+ { 0.00805f, 0.49299f, 0.16328f }, { 0.01069f, 0.51315f, 0.15318f },
+ { 0.01384f, 0.53397f, 0.14328f }, { 0.01749f, 0.55522f, 0.13366f },
+ { 0.02170f, 0.57659f, 0.12446f }, { 0.02648f, 0.59777f, 0.11579f },
+ { 0.03188f, 0.61860f, 0.10777f }, { 0.03792f, 0.63958f, 0.10030f },
+ { 0.04454f, 0.66047f, 0.09335f }, { 0.05170f, 0.68093f, 0.08691f },
+ { 0.05933f, 0.70059f, 0.08098f }, { 0.06740f, 0.71914f, 0.07557f },
+ { 0.07600f, 0.73678f, 0.07082f }, { 0.08509f, 0.75366f, 0.06660f },
+ { 0.09462f, 0.76988f, 0.06275f }, { 0.10453f, 0.78555f, 0.05910f },
+ { 0.11478f, 0.80073f, 0.05554f }, { 0.12553f, 0.81540f, 0.05226f },
+ { 0.13668f, 0.82949f, 0.04922f }, { 0.14811f, 0.84298f, 0.04635f },
+ { 0.15969f, 0.85583f, 0.04357f }, { 0.17133f, 0.86800f, 0.04084f },
+ { 0.18310f, 0.87947f, 0.03819f }, { 0.19505f, 0.89031f, 0.03565f },
+ { 0.20717f, 0.90055f, 0.03322f }, { 0.21948f, 0.91024f, 0.03091f },
+ { 0.23197f, 0.91943f, 0.02872f }, { 0.24463f, 0.92805f, 0.02665f },
+ { 0.25748f, 0.93611f, 0.02471f }, { 0.27051f, 0.94365f, 0.02287f },
+ { 0.28372f, 0.95067f, 0.02113f }, { 0.29712f, 0.95720f, 0.01949f },
+ { 0.31071f, 0.96320f, 0.01797f }, { 0.32449f, 0.96867f, 0.01655f },
+ { 0.33844f, 0.97367f, 0.01523f }, { 0.35257f, 0.97820f, 0.01399f },
+ { 0.36687f, 0.98228f, 0.01283f }, { 0.38133f, 0.98587f, 0.01177f },
+ { 0.39596f, 0.98898f, 0.01081f }, { 0.41078f, 0.99167f, 0.00992f },
+ { 0.42581f, 0.99398f, 0.00909f }, { 0.44105f, 0.99594f, 0.00833f },
+ { 0.45653f, 0.99753f, 0.00764f }, { 0.47221f, 0.99873f, 0.00702f },
+ { 0.48806f, 0.99954f, 0.00646f }, { 0.50406f, 0.99995f, 0.00594f },
+ { 0.52018f, 0.99996f, 0.00547f }, { 0.53650f, 0.99959f, 0.00505f },
+ { 0.55298f, 0.99884f, 0.00469f }, { 0.56955f, 0.99765f, 0.00436f },
+ { 0.58618f, 0.99601f, 0.00405f }, { 0.60283f, 0.99387f, 0.00375f },
+ { 0.61957f, 0.99124f, 0.00348f }, { 0.63637f, 0.98815f, 0.00323f },
+ { 0.65320f, 0.98463f, 0.00300f }, { 0.67001f, 0.98070f, 0.00279f },
+ { 0.68679f, 0.97640f, 0.00261f }, { 0.70363f, 0.97168f, 0.00247f },
+ { 0.72047f, 0.96656f, 0.00234f }, { 0.73724f, 0.96104f, 0.00224f },
+ { 0.75386f, 0.95511f, 0.00215f }, { 0.77030f, 0.94878f, 0.00206f },
+ { 0.78667f, 0.94203f, 0.00198f }, { 0.80292f, 0.93488f, 0.00192f },
+ { 0.81897f, 0.92734f, 0.00187f }, { 0.83474f, 0.91946f, 0.00182f },
+ { 0.85020f, 0.91125f, 0.00178f }, { 0.86549f, 0.90269f, 0.00176f },
+ { 0.88053f, 0.89377f, 0.00175f }, { 0.89521f, 0.88451f, 0.00174f },
+ { 0.90942f, 0.87492f, 0.00172f }, { 0.92306f, 0.86499f, 0.00168f },
+ { 0.93630f, 0.85468f, 0.00162f }, { 0.94908f, 0.84402f, 0.00156f },
+ { 0.96135f, 0.83308f, 0.00150f }, { 0.97301f, 0.82193f, 0.00143f },
+ { 0.98404f, 0.81061f, 0.00137f }, { 0.99453f, 0.79901f, 0.00130f },
+ { 1.00444f, 0.78717f, 0.00124f }, { 1.01372f, 0.77517f, 0.00118f },
+ { 1.02230f, 0.76307f, 0.00112f }, { 1.03015f, 0.75091f, 0.00108f },
+ { 1.03748f, 0.73863f, 0.00106f }, { 1.04414f, 0.72624f, 0.00104f },
+ { 1.04996f, 0.71375f, 0.00103f }, { 1.05475f, 0.70120f, 0.00101f },
+ { 1.05836f, 0.68858f, 0.00098f }, { 1.06088f, 0.67587f, 0.00095f },
+ { 1.06239f, 0.66308f, 0.00091f }, { 1.06296f, 0.65025f, 0.00086f },
+ { 1.06266f, 0.63741f, 0.00082f }, { 1.06155f, 0.62459f, 0.00078f },
+ { 1.05968f, 0.61175f, 0.00074f }, { 1.05693f, 0.59889f, 0.00071f },
+ { 1.05322f, 0.58604f, 0.00067f }, { 1.04843f, 0.57321f, 0.00062f },
+ { 1.04246f, 0.56039f, 0.00057f }, { 1.03531f, 0.54757f, 0.00051f },
+ { 1.02708f, 0.53475f, 0.00044f }, { 1.01789f, 0.52198f, 0.00038f },
+ { 1.00788f, 0.50930f, 0.00032f }, { 0.99713f, 0.49673f, 0.00028f },
+ { 0.98552f, 0.48426f, 0.00025f }, { 0.97306f, 0.47188f, 0.00023f },
+ { 0.95978f, 0.45956f, 0.00022f }, { 0.94572f, 0.44731f, 0.00021f },
+ { 0.93089f, 0.43511f, 0.00020f }, { 0.91525f, 0.42302f, 0.00020f },
+ { 0.89882f, 0.41099f, 0.00020f }, { 0.88162f, 0.39899f, 0.00020f },
+ { 0.86366f, 0.38700f, 0.00020f }, { 0.84490f, 0.37497f, 0.00019f },
+ { 0.82509f, 0.36286f, 0.00018f }, { 0.80446f, 0.35074f, 0.00016f },
+ { 0.78334f, 0.33870f, 0.00013f }, { 0.76203f, 0.32684f, 0.00011f },
+ { 0.74070f, 0.31520f, 0.00009f }, { 0.71887f, 0.30365f, 0.00007f },
+ { 0.69674f, 0.29225f, 0.00005f }, { 0.67466f, 0.28109f, 0.00003f },
+ { 0.65298f, 0.27026f, 0.00001f }, { 0.63198f, 0.25985f, 0.00000f },
+ { 0.61142f, 0.24982f, 0.00000f }, { 0.59121f, 0.24012f, 0.00000f },
+ { 0.57130f, 0.23071f, 0.00000f }, { 0.55165f, 0.22152f, 0.00000f },
+ { 0.53221f, 0.21253f, 0.00000f }, { 0.51300f, 0.20380f, 0.00000f },
+ { 0.49406f, 0.19530f, 0.00000f }, { 0.47539f, 0.18703f, 0.00000f },
+ { 0.45699f, 0.17896f, 0.00000f }, { 0.43887f, 0.17108f, 0.00000f },
+ { 0.42095f, 0.16340f, 0.00000f }, { 0.40331f, 0.15593f, 0.00000f },
+ { 0.38599f, 0.14866f, 0.00000f }, { 0.36908f, 0.14163f, 0.00000f },
+ { 0.35262f, 0.13483f, 0.00000f }, { 0.33650f, 0.12825f, 0.00000f },
+ { 0.32076f, 0.12189f, 0.00000f }, { 0.30546f, 0.11576f, 0.00000f },
+ { 0.29068f, 0.10986f, 0.00000f }, { 0.27646f, 0.10420f, 0.00000f },
+ { 0.26279f, 0.09880f, 0.00000f }, { 0.24963f, 0.09364f, 0.00000f },
+ { 0.23694f, 0.08868f, 0.00000f }, { 0.22468f, 0.08392f, 0.00000f },
+ { 0.21283f, 0.07933f, 0.00000f }, { 0.20143f, 0.07493f, 0.00000f },
+ { 0.19048f, 0.07074f, 0.00000f }, { 0.17995f, 0.06672f, 0.00000f },
+ { 0.16982f, 0.06287f, 0.00000f }, { 0.16008f, 0.05917f, 0.00000f },
+ { 0.15074f, 0.05565f, 0.00000f }, { 0.14180f, 0.05230f, 0.00000f },
+ { 0.13326f, 0.04911f, 0.00000f }, { 0.12512f, 0.04607f, 0.00000f },
+ { 0.11737f, 0.04317f, 0.00000f }, { 0.11002f, 0.04042f, 0.00000f },
+ { 0.10306f, 0.03782f, 0.00000f }, { 0.09649f, 0.03538f, 0.00000f },
+ { 0.09033f, 0.03309f, 0.00000f }, { 0.08458f, 0.03095f, 0.00000f },
+ { 0.07930f, 0.02900f, 0.00000f }, { 0.07444f, 0.02720f, 0.00000f },
+ { 0.06991f, 0.02553f, 0.00000f }, { 0.06565f, 0.02396f, 0.00000f },
+ { 0.06162f, 0.02247f, 0.00000f }, { 0.05795f, 0.02111f, 0.00000f },
+ { 0.05458f, 0.01987f, 0.00000f }, { 0.05141f, 0.01870f, 0.00000f },
+ { 0.04833f, 0.01756f, 0.00000f }, { 0.04528f, 0.01644f, 0.00000f },
+ { 0.04230f, 0.01535f, 0.00000f }, { 0.03944f, 0.01429f, 0.00000f },
+ { 0.03671f, 0.01329f, 0.00000f }, { 0.03413f, 0.01235f, 0.00000f },
+ { 0.03172f, 0.01147f, 0.00000f }, { 0.02946f, 0.01065f, 0.00000f },
+ { 0.02736f, 0.00989f, 0.00000f }, { 0.02540f, 0.00918f, 0.00000f },
+ { 0.02357f, 0.00852f, 0.00000f }, { 0.02187f, 0.00790f, 0.00000f },
+ { 0.02031f, 0.00733f, 0.00000f }, { 0.01889f, 0.00682f, 0.00000f },
+ { 0.01758f, 0.00635f, 0.00000f }, { 0.01637f, 0.00591f, 0.00000f },
+ { 0.01525f, 0.00550f, 0.00000f }, { 0.01426f, 0.00514f, 0.00000f },
+ { 0.01337f, 0.00482f, 0.00000f }, { 0.01256f, 0.00452f, 0.00000f },
+ { 0.01178f, 0.00424f, 0.00000f }, { 0.01102f, 0.00396f, 0.00000f },
+ { 0.01030f, 0.00370f, 0.00000f }, { 0.00962f, 0.00345f, 0.00000f },
+ { 0.00898f, 0.00322f, 0.00000f }, { 0.00838f, 0.00300f, 0.00000f },
+ { 0.00783f, 0.00280f, 0.00000f }, { 0.00732f, 0.00262f, 0.00000f },
+ { 0.00685f, 0.00246f, 0.00000f }, { 0.00641f, 0.00231f, 0.00000f },
+ { 0.00600f, 0.00217f, 0.00000f }, { 0.00560f, 0.00203f, 0.00000f },
+ { 0.00523f, 0.00190f, 0.00000f }, { 0.00488f, 0.00178f, 0.00000f },
+ { 0.00455f, 0.00167f, 0.00000f }, { 0.00425f, 0.00156f, 0.00000f },
+ { 0.00396f, 0.00145f, 0.00000f }, { 0.00369f, 0.00134f, 0.00000f },
+ { 0.00345f, 0.00123f, 0.00000f }, { 0.00322f, 0.00113f, 0.00000f },
+ { 0.00301f, 0.00104f, 0.00000f }, { 0.00280f, 0.00096f, 0.00000f },
+ { 0.00260f, 0.00089f, 0.00000f }, { 0.00241f, 0.00083f, 0.00000f },
+ { 0.00224f, 0.00078f, 0.00000f }, { 0.00208f, 0.00073f, 0.00000f },
+ { 0.00193f, 0.00068f, 0.00000f }, { 0.00179f, 0.00063f, 0.00000f },
+ { 0.00167f, 0.00059f, 0.00000f }, { 0.00156f, 0.00055f, 0.00000f },
+ { 0.00145f, 0.00052f, 0.00000f }, { 0.00135f, 0.00049f, 0.00000f },
+ { 0.00126f, 0.00047f, 0.00000f }, { 0.00118f, 0.00045f, 0.00000f },
+ { 0.00111f, 0.00043f, 0.00000f }, { 0.00104f, 0.00041f, 0.00000f },
+ { 0.00097f, 0.00038f, 0.00000f }, { 0.00090f, 0.00034f, 0.00000f },
+ { 0.00084f, 0.00029f, 0.00000f }, { 0.00078f, 0.00025f, 0.00000f },
+ { 0.00073f, 0.00021f, 0.00000f }, { 0.00068f, 0.00019f, 0.00000f },
+ { 0.00063f, 0.00019f, 0.00000f }, { 0.00059f, 0.00019f, 0.00000f },
+ { 0.00056f, 0.00020f, 0.00000f }, { 0.00052f, 0.00020f, 0.00000f },
+ { 0.00048f, 0.00019f, 0.00000f }, { 0.00044f, 0.00017f, 0.00000f },
+ { 0.00039f, 0.00015f, 0.00000f }, { 0.00035f, 0.00013f, 0.00000f },
+ { 0.00032f, 0.00011f, 0.00000f }, { 0.00029f, 0.00010f, 0.00000f },
+ { 0.00026f, 0.00009f, 0.00000f }, { 0.00024f, 0.00009f, 0.00000f },
+ { 0.00022f, 0.00010f, 0.00000f }, { 0.00021f, 0.00010f, 0.00000f },
+ { 0.00020f, 0.00010f, 0.00000f }, { 0.00020f, 0.00010f, 0.00000f },
+ { 0.00020f, 0.00011f, 0.00000f }, { 0.00020f, 0.00011f, 0.00000f },
+ { 0.00020f, 0.00010f, 0.00000f }, { 0.00019f, 0.00009f, 0.00000f },
+ { 0.00017f, 0.00008f, 0.00000f }, { 0.00015f, 0.00005f, 0.00000f },
+ { 0.00013f, 0.00003f, 0.00000f }, { 0.00011f, 0.00001f, 0.00000f },
+ { 0.00010f, 0.00000f, 0.00000f }, { 0.00009f, 0.00000f, 0.00000f },
+ { 0.00009f, 0.00000f, 0.00000f }, { 0.00010f, 0.00000f, 0.00000f },
+ { 0.00010f, 0.00000f, 0.00000f }, { 0.00010f, 0.00000f, 0.00000f },
+ { 0.00010f, 0.00000f, 0.00000f }, { 0.00011f, 0.00000f, 0.00000f },
+ { 0.00011f, 0.00000f, 0.00000f }, { 0.00010f, 0.00000f, 0.00000f },
+ { 0.00009f, 0.00000f, 0.00000f }, { 0.00008f, 0.00000f, 0.00000f },
+ { 0.00005f, 0.00000f, 0.00000f }, { 0.00003f, 0.00000f, 0.00000f },
+ { 0.00001f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f }, { 0.00000f, 0.00000f, 0.00000f },
+ { 0.00000f, 0.00000f, 0.00000f } };
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert XYZ to RGB color space
+//
--------------------------------------------------------------------------------------
+void XYZtoRGB(float X, float Y, float Z, float * R, float * G, float * B)
+{
+ *R = 2.5623f * X - 1.1661f * Y - 0.3962f * Z;
+ *G = -1.0215f * X + 1.9778f * Y + 0.0437f * Z;
+ *B = 0.0752f * X - 0.2562f * Y + 1.1810f * Z;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert RGB to XYZ color space
+//
--------------------------------------------------------------------------------------
+void RGBtoXYZ(float R, float G, float B, float * X, float * Y, float * Z)
+{
+ *X = 0.5149f * R + 0.3244f * G + 0.1607f * B;
+ *Y = 0.2654f * R + 0.6704f * G + 0.0642f * B;
+ *Z = 0.0248f * R + 0.1248f * G + 0.8504f * B;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert XYZ to LMS color space
+//
--------------------------------------------------------------------------------------
+void XYZtoLMS(float X, float Y, float Z, float * L, float * M, float * S,
int mode)
+{
+ float vonKries[3][3] = {{ 0.40024f, 0.70760f, -0.08081f} ,
+ {-0.22630f,
1.16532f, 0.04570f} ,
+ { 0.00000f,
0.00000f, 0.91822f} };
+
+ float bradford[3][3] = {{ 0.8951f , 0.2664f , -0.1614f } ,
+ {-0.7502f , 1.7135f
, 0.0367f } ,
+ { 0.0389f , -0.0685f
, 1.0296f } };
+
+ float reinhard[3][3] = {{ 0.3897f , 0.6890f , -0.0787f } ,
+ {-0.2298f , 1.1834f
, 0.0464f } ,
+ { 0.0000f , 0.0000f
, 1.0000f } };
+
+ float * matrix;
+ if (mode == 0) matrix = (float *)vonKries;
+ else if (mode == 1) matrix = (float *)bradford;
+ else matrix = (float *)reinhard;
+
+ *L = matrix[0] * X + matrix[1] * Y + matrix[2] * Z;
+ *M = matrix[3] * X + matrix[4] * Y + matrix[5] * Z;
+ *S = matrix[6] * X + matrix[7] * Y + matrix[8] * Z;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert LMS to XYZ color space
+//
--------------------------------------------------------------------------------------
+void LMStoXYZ(float L, float M, float S, float * X, float * Y, float * Z,
int mode)
+{
+ float vonKries[3][3] = {{ 1.859936f, -1.129382f, 0.219897f} ,
+ { 0.361191f,
0.638812f, -0.000006f} ,
+ { 0.000000f,
0.000000f, 1.089064f} };
+
+ float bradford[3][3] = {{ 0.986993f, -0.147054f, 0.159963f} ,
+ { 0.432305f,
0.518360f, 0.049291f} ,
+ {-0.008529f,
0.040043f, 0.968487f} };
+
+ float reinhard[3][3] = {{ 1.9102f , -1.11218f , 0.2019f } ,
+ { 0.3709f , 0.6291f
, 0.0000f } ,
+ { 0.0000f , 0.0000f
, 1.0000f } };
+
+ float * matrix;
+ if (mode == 0) matrix = (float *)vonKries;
+ else if (mode == 1) matrix = (float *)bradford;
+ else matrix = (float *)reinhard;
+
+ *X = matrix[0] * L + matrix[1] * M + matrix[2] * S;
+ *Y = matrix[3] * L + matrix[4] * M + matrix[5] * S;
+ *Z = matrix[6] * L + matrix[7] * M + matrix[8] * S;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert XYZ to xyY color space
+//
--------------------------------------------------------------------------------------
+void XYZtoxyY(float X, float Y, float Z, float * px, float * py, float * pY)
+{
+ float invSum = 1.0f / (X + Y + Z);
+ *px = X * invSum;
+ *py = Y * invSum;
+ *pY = Y;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Convert xyY to XYZ color space
+//
--------------------------------------------------------------------------------------
+void xyYtoXYZ(float x, float y, float Y, float * pX, float * pY, float * pZ)
+{
+ float ratio = Y / y;
+ *pX = x * ratio;
+ *pY = Y;
+ *pZ = (1.0f - x - y) * ratio;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Convert spectrum[FULL_SPECTRUM_SIZE] to XYZ color space
+//
--------------------------------------------------------------------------------------
+void SpectrumToXYZ(const float * spectrum, bool rescale, float * X, float *
Y, float * Z)
+{
+ unsigned int i;
+ float sum[3] = {0.0f, 0.0f, 0.0f};
+
+ for(i=0; i<FULL_SPECTRUM_SIZE; i++)
+ {
+ sum[0] += spectrum[i] * g_TristimulusCurves[i][0];
+ sum[1] += spectrum[i] * g_TristimulusCurves[i][1];
+ sum[2] += spectrum[i] * g_TristimulusCurves[i][2];
+ }
+
+ if (rescale)
+ {
+ float maxY = 0.0f;
+
+ for(i=0; i<FULL_SPECTRUM_SIZE; i++)
+ maxY += g_TristimulusCurves[i][1];
+
+ maxY = 1.0f / maxY;
+ *X = sum[0] * maxY;
+ *Y = sum[1] * maxY;
+ *Z = sum[2] * maxY;
+ }
+ else
+ {
+ *X = sum[0] * 683.0f;
+ *Y = sum[1] * 683.0f;
+ *Z = sum[2] * 683.0f;
+ }
+}
Added: trunk/Core/Color/Colorimetry.h
==============================================================================
--- (empty file)
+++ trunk/Core/Color/Colorimetry.h Tue Aug 23 13:51:45 2005
@@ -0,0 +1,17 @@
+
+#ifndef Manta_Core_Color_Colorimetry_h
+#define Manta_Core_Color_Colorimetry_h
+
+#define FULL_SPECTRUM_SIZE 425
+
+extern float const g_TristimulusCurves[FULL_SPECTRUM_SIZE][3];
+
+extern void XYZtoRGB(float X, float Y, float Z, float * R, float
* G, float * B);
+extern void RGBtoXYZ(float R, float G, float B, float * X, float
* Y, float * Z);
+extern void XYZtoLMS(float X, float Y, float Z, float * L, float
* M, float * S, int mode = 0);
+extern void LMStoXYZ(float L, float M, float S, float * X, float
* Y, float * Z, int mode = 0);
+extern void XYZtoxyY(float X, float Y, float Z, float * px, float
* py, float * pY);
+extern void xyYtoXYZ(float x, float y, float Y, float * pX, float
* pY, float * pZ);
+extern void SpectrumToXYZ(const float * spectrum, bool rescale,
float * X, float * Y, float * Z);
+
+#endif
Added: trunk/Core/Math/Physics.cc
==============================================================================
--- (empty file)
+++ trunk/Core/Math/Physics.cc Tue Aug 23 13:51:45 2005
@@ -0,0 +1,156 @@
+
+#include <math.h>
+#include <stdlib.h>
+#include <Core/Math/Physics.h>
+
+
+//
--------------------------------------------------------------------------------------
+// -- Compute the spectral energy density emitted by a Blackbody
+// -- for the given temperature and refractiveIndex based on Planck's law
+//
--------------------------------------------------------------------------------------
+void BlackbodyEmission(double temperature, double refractiveIndex, float
spectrum[FULL_SPECTRUM_SIZE])
+{
+ double c1, c2, wavelength;
+ int i;
+
+ c1 = PLANCKSCONSTANT * SPEEDOFLIGHTINVACUUM * SPEEDOFLIGHTINVACUUM *
2.0 * refractiveIndex * refractiveIndex;
+ c2 = PLANCKSCONSTANT * SPEEDOFLIGHTINVACUUM / BOLTZMANNSCONSTANT;
+
+ for(i=0; i<FULL_SPECTRUM_SIZE; i++)
+ {
+ wavelength = (375.5 + (double)i) * 1.0e-9;
+ spectrum[i] = (float)(c1 /
(wavelength*wavelength*wavelength*wavelength*wavelength * (exp(c2 /
(temperature * wavelength)) - 1.0)));
+ }
+}
+
+
+//
--------------------------------------------------------------------------------------
+// --- Compute a color chosen from the rainbow colors
+// --- depending on the value t provided between 0 (purple) and 1 (red)
+// --- The RGBA graphs are defined as below :
+// --- _
+// --- Red : \__/
+// --- __
+// --- Green : _/ \
+// --- __
+// --- Blue : \__
+// --- ____
+// --- Alpha : /
+//
--------------------------------------------------------------------------------------
+void RainbowColors(float t, float color[4], float * expScale)
+{
+ if (t < 0.2f) color[0] = (0.2f - t) / 0.2f;
+ else if (t < 0.6f) color[0] = 0.0f;
+ else if (t < 0.8f) color[0] = (t - 0.6f) / 0.2f;
+ else color[0] = 1.0f;
+
+ if (t < 0.2f) color[1] = 0.0f;
+ else if (t < 0.4f) color[1] = (t - 0.2f) / 0.2f;
+ else if (t < 0.8f) color[1] = 1.0f;
+ else color[1] = (1.0f - t) / 0.2f;
+
+ if (t < 0.4f) color[2] = 1.0f;
+ else if (t < 0.6f) color[2] = (0.6f - t) / 0.2f;
+ else color[2] = 0.0f;
+
+ if (expScale) color[3] = 1.0f - expf(-t * (*expScale));
+ else color[3] = t;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Return the compressibility
+// -- temperature : Kelvin
+// -- pressure : Pascal
+// -- waterVaporMolarFraction : [0-1]
+//
--------------------------------------------------------------------------------------
+double Compressibility(double temperature, double pressure, double
waterVaporMolarFraction)
+{
+ double a0, a1, a2, b0, b1, c0, c1, d, e, z, pt, tC;
+
+ a0 = 1.58123e-6;
+ a1 = -2.9331e-8;
+ a2 = 1.1043e-10;
+ b0 = 5.707e-6;
+ b1 = -2.051e-8;
+ c0 = 1.9898e-4;
+ c1 = -2.376e-6;
+ d = 1.83e-11;
+ e = -0.765e-8;
+
+ pt = pressure / temperature;
+ tC = temperature - 273.15; // Temperature in Celcius
+
+ z = 1.0 + pt * (pt * (d +
e*waterVaporMolarFraction*waterVaporMolarFraction)
+ - (a0 + (a1 + a2*tC)*tC + ((b0 +
b1*tC) + (c0 + c1*tC)*waterVaporMolarFraction) * waterVaporMolarFraction));
+
+ return z;
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Compute the dryAirComponent and waterVaporComponent of the density
+// -- temperature : Kelvin
+// -- pressure : Pascal
+// -- waterVaporMolarFraction : [0-1]
+// -- co2ppm : parts per million
+//
--------------------------------------------------------------------------------------
+void Density(double temperature, double pressure, double
waterVaporMolarFraction, double co2ppm, double * dryAirComponent, double *
waterVaporComponent)
+{
+ double pzrt, Ma, Mw, z;
+
+ Mw = 0.018015;
// Molar mass of water vapor
+ Ma = 0.0289635 + 12.011e-9 * (co2ppm - 400.0); // Molar mass of dry
air containing co2 ppm
+
+ z = Compressibility(temperature, pressure, waterVaporMolarFraction);
+
+ pzrt = pressure / (z * GASCONSTANT * temperature);
+
+ if (dryAirComponent)
+ *dryAirComponent = pzrt * Ma * (1.0 -
waterVaporMolarFraction);
+
+ if (waterVaporComponent)
+ *waterVaporComponent = pzrt * Mw * (
waterVaporMolarFraction);
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Return the refractive index of air for the given parameters
+// -- temperature : Kelvin
+// -- pressure : Pascal
+// -- relativeHumidity : [0-1]
+// -- co2ppm : parts per million
+// -- wavelength : nanometer
+//
--------------------------------------------------------------------------------------
+double AirRefractiveIndex(double temperature, double pressure, double
relativeHumidity, double co2ppm, double wavelength)
+{
+ // Saturation vapor pressure of water vapor in air
+ double svp = exp((1.2378847e-5*temperature -
1.9121316e-2)*temperature + 33.93711047 - 6.3431645e3/temperature);
+
+ // Enhancement factor of water vapor in air
+ double f, tC = temperature - 273.15;
+ f = 1.00062 + 3.14e-8*pressure + 5.6e-7*tC*tC;
+
+ // Molar fraction of water vapor
+ double xw = relativeHumidity * f * svp / pressure;
+
+ double paxs, pws, pa, pw;
+ Density( 288.15, 101325.0, 0.0, co2ppm, &paxs, NULL); //
Density of standard dry air
+ Density( 293.15, 1333.0, 1.0, co2ppm, NULL, &pws); //
Density of standard water vapor
+ Density(temperature, pressure, xw, co2ppm, &pa, &pw); //
Density of moist air
+
+ double waveNumber, waveNumber2;
+ waveNumber = 1000.0 / wavelength; // nanometer to micrometer
+ waveNumber2 = waveNumber * waveNumber;
+
+ // Refractivity of standard air (15 C, 101325 Pascal, 0% humidity,
450 ppm of CO2)
+ double nas1 = (5792105.0 / (238.0185 - waveNumber2) + 167917.0 /
(57.362 - waveNumber2)) * 1.0e-8;
+
+ // Refractivity of standard air with co2 ppm
+ double naxs1 = nas1 * (1.0 + 0.534e-6 * (co2ppm - 450.0));
+
+ // Refractivity of standard water vapor (20 C, 1333 Pascal, 100%
humidity)
+ double nws1 = 1.022e-8 * (295.235 + (2.6422 - (0.03238 +
0.004028*waveNumber2) * waveNumber2) * waveNumber2);
+
+ return 1.0 + naxs1 * pa / paxs + nws1 * pw / pws;
+}
Added: trunk/Core/Math/Physics.h
==============================================================================
--- (empty file)
+++ trunk/Core/Math/Physics.h Tue Aug 23 13:51:45 2005
@@ -0,0 +1,18 @@
+
+#ifndef Manta_Core_Math_Physics_h
+#define Manta_Core_Math_Physics_h
+
+#include <Core/Color/Colorimetry.h>
+
+#define PLANCKSCONSTANT 6.62606876e-34
+#define SPEEDOFLIGHTINVACUUM 299792458.0
+#define BOLTZMANNSCONSTANT 1.3806503e-23
+#define GASCONSTANT 8.31451
+
+extern void BlackbodyEmission(double temperature, double
refractiveIndex, float spectrum[FULL_SPECTRUM_SIZE]);
+extern void RainbowColors(float t, float color[4], float *
expScale = NULL);
+extern double Compressibility(double temperature, double pressure, double
waterVaporMolarFraction);
+extern void Density(double temperature, double pressure, double
waterVaporMolarFraction, double co2ppm, double * dryAirComponent, double *
waterVaporComponent);
+extern double AirRefractiveIndex(double temperature, double pressure,
double relativeHumidity, double co2ppm, double wavelength);
+
+#endif
Added: trunk/Core/Util/ColorMap.cc
==============================================================================
--- (empty file)
+++ trunk/Core/Util/ColorMap.cc Tue Aug 23 13:51:45 2005
@@ -0,0 +1,135 @@
+
+#include <stdlib.h>
+#include <fstream>
+#include <iostream>
+#include <math.h>
+
+#include <Core/Math/Physics.h>
+#include <Core/Color/Colorimetry.h>
+#include <Core/Util/ColorMap.h>
+
+using namespace Manta;
+
+
+//
--------------------------------------------------------------------------------------
+// -- Constructor
+//
--------------------------------------------------------------------------------------
+ColorMap::ColorMap(ColorMapMode mode, float min, float max, float stepSize)
+{
+ float ratio, maxmin = max - min;
+ unsigned int i, samples;
+ Data d;
+
+ if (mode == RAINBOW_COLORS) samples = 6;
+ else if (mode == BLACK_BODY_RADIATION) samples = 21;
+ else
+ {
+ fprintf(stderr, "Error : ColorMap::ColorMap() : unknown
mode\n");
+ exit(0);
+ }
+
+ for(i=0; i<samples; i++)
+ {
+ ratio = (float)i / (float)(samples-1);
+ d.value = maxmin * ratio + min;
+
+ if (mode == RAINBOW_COLORS)
+ {
+ float color[4];
+ RainbowColors(ratio, color);
+ d.color = Color(RGB(color[0], color[1], color[2]));
+ }
+ else if (mode == BLACK_BODY_RADIATION)
+ {
+ float spectrum[FULL_SPECTRUM_SIZE], x, y, z, r, g, b;
+ BlackbodyEmission((double)d.value,
AirRefractiveIndex((double)d.value, 101325.0, 0.0, 450.0, 600.0), spectrum);
+ SpectrumToXYZ(spectrum, true, &x, &y, &z);
+ XYZtoRGB(x, y, z, &r, &g, &b);
+ d.color = Color(RGB(r, g, b));
+ }
+
+ d.opacity = (stepSize < 0.0f) ? ratio : (1.0f - expf(-d.value
* stepSize));
+
+ m_Data.push_back(d);
+ }
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Constructor
+//
--------------------------------------------------------------------------------------
+ColorMap::ColorMap(const char * fileName, float stepSize)
+{
+ ifstream in(fileName);
+ if (!in)
+ {
+ cerr << "Error : ColorMap::ColorMap() : opening file " <<
fileName << '\n';
+ exit(1);
+ }
+ while(in)
+ {
+ Data d;
+ float r, g, b, a;
+
+ in >> d.value >> r >> g >> b >> a;
+ d.color = Color(RGB(r, g, b));
+ d.opacity = (stepSize < 0.0f) ? a : (1.0f - expf(-a *
stepSize));
+
+ if (in)
+ m_Data.push_back(d);
+ }
+ if(in.bad() || m_Data.size() == 0)
+ {
+ cerr << "Error : ColorMap::ColorMap() : reading file " <<
fileName << '\n';
+ exit(1);
+ }
+ cerr << "Read " << m_Data.size() << " colormap entries from " <<
fileName << '\n';
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Destructor
+//
--------------------------------------------------------------------------------------
+ColorMap::~ColorMap()
+{
+}
+
+
+//
--------------------------------------------------------------------------------------
+// -- Lookup
+//
--------------------------------------------------------------------------------------
+void ColorMap::Lookup(float value, Color & color, float * opacity) const
+{
+ int l = 0;
+ int h = m_Data.size() - 1;
+
+ if (value <= m_Data[l].value)
+ {
+ if (opacity)
+ *opacity = m_Data[l].opacity;
+ color = m_Data[l].color;
+ }
+ else if(value >= m_Data[h].value)
+ {
+ if (opacity)
+ *opacity = m_Data[h].opacity;
+ color = m_Data[h].color;
+ }
+ else
+ {
+ int m;
+ float f;
+
+ while(h > l+1)
+ {
+ m = (l + h) / 2;
+ if (value < m_Data[m].value) h = m;
+ else
l = m;
+ }
+
+ f = (value - m_Data[l].value) / (m_Data[h].value -
m_Data[l].value);
+ if (opacity)
+ *opacity = m_Data[l].opacity*(1.0f - f) +
m_Data[h].opacity*f;
+ color = m_Data[l].color *(1.0f - f) +
m_Data[h].color *f;
+ }
+}
Added: trunk/Core/Util/ColorMap.h
==============================================================================
--- (empty file)
+++ trunk/Core/Util/ColorMap.h Tue Aug 23 13:51:45 2005
@@ -0,0 +1,41 @@
+
+#ifndef Manta_Core_Util_ColorMap_h
+#define Manta_Core_Util_ColorMap_h
+
+#include <vector>
+#include <Core/Color/Color.h>
+
+
+namespace Manta
+{
+ using namespace std;
+
+ enum ColorMapModes { RAINBOW_COLORS, BLACK_BODY_RADIATION };
+ typedef enum ColorMapModes ColorMapMode;
+
+
+ class ColorMap
+ {
+
+ private:
+
+ struct Data
+ {
+ float value;
+ Color color;
+ float opacity;
+ };
+
+ vector<Data> m_Data;
+
+ public:
+
+ ColorMap(ColorMapMode
mode, float min, float max, float stepSize = -1.0f);
+ ColorMap(const char *
fileName , float stepSize = -1.0f);
+ ~ColorMap();
+
+ void Lookup(float value, Color &
color, float * opacity = NULL) const;
+ };
+}
+
+#endif
- [MANTA] r488 - in trunk/Core: . Color Math Util, vpegorar, 08/23/2005
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