https://github.com/lingqi/WaveOpticsBrdf
Revision 0a0235db65428ba442f3e82f66624a20763c22a4 authored by lingqi on 27 August 2018, 23:58:35 UTC, committed by GitHub on 27 August 2018, 23:58:35 UTC
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Tip revision: 0a0235db65428ba442f3e82f66624a20763c22a4 authored by lingqi on 27 August 2018, 23:58:35 UTC
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spectrum.h
/*
Copyright 2018 Lingqi Yan
This file is part of WaveOpticsBrdf.
WaveOpticsBrdf is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WaveOpticsBrdf is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WaveOpticsBrdf. If not, see <https://www.gnu.org/licenses/>.
*/
/*
This file is part of Mitsuba, a physically based rendering system.
Copyright (c) 2007-2014 by Wenzel Jakob and others.
Mitsuba is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License Version 3
as published by the Free Software Foundation.
Mitsuba is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SPECTRUM_H
#define SPECTRUM_H
#include <vector>
using namespace std;
const int SPECTRUM_SAMPLES = 8;
const int CIE_samples = 471;
extern const float CIE_wavelengths[CIE_samples];
extern const float CIE_X_entries[CIE_samples];
extern const float CIE_Y_entries[CIE_samples];
extern const float CIE_Z_entries[CIE_samples];
extern const float CIE_D65_entries[CIE_samples];
void SpectrumInit();
void SpectrumToXYZ(const vector<float> &s, float &x, float &y, float &z);
void XYZToRGB(float x, float y, float z, float &r, float &g, float &b);
void SpectrumToRGB(const vector<float> &s, float &r, float &g, float &b);
#endif
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