/***************************************************************************
 * Copyright 1998-2013 by authors (see AUTHORS.txt)                        *
 *                                                                         *
 *   This file is part of LuxRender.                                       *
 *                                                                         *
 * Licensed under the Apache License, Version 2.0 (the "License");         *
 * you may not use this file except in compliance with the License.        *
 * You may obtain a copy of the License at                                 *
 *                                                                         *
 *     http://www.apache.org/licenses/LICENSE-2.0                          *
 *                                                                         *
 * Unless required by applicable law or agreed to in writing, software     *
 * distributed under the License is distributed on an "AS IS" BASIS,       *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.*
 * See the License for the specific language governing permissions and     *
 * limitations under the License.                                          *
 ***************************************************************************/

namespace slg {

// -----------------------------------------------------------------------------

/* All data lifted from MI */
/* Units are either [] or cm^-1. refer when in doubt MI */

// k_o Spectrum table from pg 127, MI.
static const float sun_k_oWavelengths[64] = {
300, 305, 310, 315, 320,
325, 330, 335, 340, 345,
350, 355,

445, 450, 455, 460, 465,
470, 475, 480, 485, 490,
495,

500, 505, 510, 515, 520,
525, 530, 535, 540, 545,
550, 555, 560, 565, 570,
575, 580, 585, 590, 595,

600, 605, 610, 620, 630,
640, 650, 660, 670, 680,
690,

700, 710, 720, 730, 740,
750, 760, 770, 780, 790
};

static const float sun_k_oAmplitudes[65] = {
  10.0f,
  4.8f,
  2.7f,
  1.35f,
  .8f,
  .380f,
  .160f,
  .075f,
  .04f,
  .019f,
  .007f,
  .0f,
  
  .003f,
  .003f,
  .004f,
  .006f,
  .008f,
  .009f,
  .012f,
  .014f,
  .017f,
  .021f,
  .025f,

  .03f,
  .035f,
  .04f,
  .045f,
  .048f,
  .057f,
  .063f,
  .07f,
  .075f,
  .08f,
  .085f,
  .095f,
  .103f,
  .110f,
  .12f,
  .122f,
  .12f,
  .118f,
  .115f,
  .12f,

  .125f,
  .130f,
  .12f,
  .105f,
  .09f,
  .079f,
  .067f,
  .057f,
  .048f,
  .036f,
  .028f,
  
  .023f,
  .018f,
  .014f,
  .011f,
  .010f,
  .009f,
  .007f,
  .004f,
  .0f,
  .0f
};

// k_g Spectrum table from pg 130, MI.
static const float sun_k_gWavelengths[4] = {
  759.f,
  760.f,
  770.f,
  771.f
};

static const float sun_k_gAmplitudes[4] = {
  0.0f,
  3.0f,
  0.210f,
  0.0f
};

// k_wa Spectrum table from pg 130f, MI.
static const float sun_k_waWavelengths[13] = {
  689.f,
  690.f,
  700.f,
  710.f,
  720.f,
  730.f,
  740.f,
  750.f,
  760.f,
  770.f,
  780.f,
  790.f,
  800.f
};

static const float sun_k_waAmplitudes[13] = {
  0.f,
  0.160e-1f,
  0.240e-1f,
  0.125e-1f,
  0.100e+1f,
  0.870f,
  0.610e-1f,
  0.100e-2f,
  0.100e-4f,
  0.100e-4f,
  0.600e-3f,
  0.175e-1f,
  0.360e-1f
};

// Sun radiance in range 380-750 nm by 10nm in W.m-2.sr-1.nm-1
static const float sun_solAmplitudes[38] = {
    16559.0f, 16233.7f, 21127.5f, 25888.2f, 25829.1f,
    24232.3f, 26760.5f, 29658.3f, 30545.4f, 30057.5f,
    30663.7f, 28830.4f, 28712.1f, 27825.0f, 27100.6f,
    27233.6f, 26361.3f, 25503.8f, 25060.2f, 25311.6f,
    25355.9f, 25134.2f, 24631.5f, 24173.2f, 23685.3f,
    23212.1f, 22827.7f, 22339.8f, 21970.2f, 21526.7f,
    21097.9f, 20728.3f, 20240.4f, 19870.8f, 19427.2f,
    19072.4f, 18628.9f, 18259.2f
};

// The suns irradiance as sampled outside the atmosphere from 380 - 770 nm at 5nm intervals
// Dade - not used (commented out to avoid a gcc warning)
/*static float sun_sun_irradiance[79] = {
    1.1200E09,
    1.0980E09,
    1.0980E09,
    1.1890E09,
    1.4290E09,
    1.6440E09,
    1.7510E09,
    1.7740E09,
    1.7470E09,
    1.6930E09,
    1.6390E09,
    1.6630E09,
    1.8100E09,
    1.9220E09,
    2.0060E09,
    2.0570E09,
    2.0660E09,
    2.0480E09,
    2.0330E09,
    2.0440E09,
    2.0740E09,
    1.9760E09,
    1.9500E09,
    1.9600E09,
    1.9420E09,
    1.9200E09,
    1.8820E09,
    1.8330E09,
    1.8330E09,
    1.8520E09,
    1.8420E09,
    1.8180E09,
    1.7830E09,
    1.7540E09,
    1.7250E09,
    1.7200E09,
    1.6950E09,
    1.7050E09,
    1.7120E09,
    1.7190E09,
    1.7150E09,
    1.7120E09,
    1.7000E09,
    1.6820E09,
    1.6660E09,
    1.6470E09,
    1.6350E09,
    1.6150E09,
    1.6020E09,
    1.5900E09,
    1.5700E09,
    1.5550E09,
    1.5440E09,
    1.5270E09,
    1.5110E09,
    1.4985E09,
    1.4860E09,
    1.4710E09,
    1.4560E09,
    1.4415E09,
    1.4270E09,
    1.4145E09,
    1.4020E09,
    1.4855E09,
    1.3690E09,
    1.3565E09,
    1.3440E09,
    1.3290E09,
    1.3140E09,
    1.3020E09,
    1.2900E09,
    1.2750E09,
    1.2600E09,
    1.2475E09,
    1.2350E09,
    1.2230E09,
    1.2110E09,
    1.1980E09,
    1.1850E09
};*/

}