src/Graphic3d/Graphic3d_MaterialAspect.cxx

   1 // Copyright (c) 1991-1999 Matra Datavision
   2 // Copyright (c) 1999-2014 OPEN CASCADE SAS
   3 //
   4 // This file is part of Open CASCADE Technology software library.
   5 //
   6 // This library is free software; you can redistribute it and/or modify it under
   7 // the terms of the GNU Lesser General Public License version 2.1 as published
   8 // by the Free Software Foundation, with special exception defined in the file
   9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
  10 // distribution for complete text of the license and disclaimer of any warranty.
  11 //
  12 // Alternatively, this file may be used under the terms of Open CASCADE
  13 // commercial license or contractual agreement.
  14
  15 #include <Graphic3d_MaterialAspect.hxx>
  16
  17 #include <Graphic3d_MaterialDefinitionError.hxx>
  18 #include <Standard_Assert.hxx>
  19 #include <Standard_OutOfRange.hxx>
  20
  21 namespace
  22 {
  23   //! Raw material for defining list of standard materials
  24   struct RawMaterial
  25   {
  26     const char*              StringName;
  27     Graphic3d_BSDF           BSDF;
  28     Quantity_Color           Colors[Graphic3d_TypeOfReflection_NB];
  29     Standard_ShortReal       TransparencyCoef;
  30     Standard_ShortReal       RefractionIndex;
  31     Standard_ShortReal       Shininess;
  32     Standard_ShortReal       AmbientCoef;  //!< coefficient for Graphic3d_MaterialAspect::SetColor()
  33     Standard_ShortReal       DiffuseCoef;  //!< coefficient for Graphic3d_MaterialAspect::SetColor()
  34     Graphic3d_TypeOfMaterial MaterialType;
  35     Graphic3d_NameOfMaterial MaterialName;
  36
  37     RawMaterial (Graphic3d_NameOfMaterial theName, const char* theStringName);
  38
  39   };
  40
  41   //! Name list of standard materials (defined within enumeration).
  42   static const RawMaterial THE_MATERIALS[] =
  43   {
  44     RawMaterial (Graphic3d_NOM_BRASS,       "Brass"),
  45     RawMaterial (Graphic3d_NOM_BRONZE,      "Bronze"),
  46     RawMaterial (Graphic3d_NOM_COPPER,      "Copper"),
  47     RawMaterial (Graphic3d_NOM_GOLD,        "Gold"),
  48     RawMaterial (Graphic3d_NOM_PEWTER,      "Pewter"),
  49     RawMaterial (Graphic3d_NOM_PLASTER,     "Plastered"),
  50     RawMaterial (Graphic3d_NOM_PLASTIC,     "Plastified"),
  51     RawMaterial (Graphic3d_NOM_SILVER,      "Silver"),
  52     RawMaterial (Graphic3d_NOM_STEEL,       "Steel"),
  53     RawMaterial (Graphic3d_NOM_STONE,       "Stone"),
  54     RawMaterial (Graphic3d_NOM_SHINY_PLASTIC, "Shiny_plastified"),
  55     RawMaterial (Graphic3d_NOM_SATIN,       "Satined"),
  56     RawMaterial (Graphic3d_NOM_METALIZED,   "Metalized"),
  57     RawMaterial (Graphic3d_NOM_NEON_GNC,    "Ionized"),
  58     RawMaterial (Graphic3d_NOM_CHROME,      "Chrome"),
  59     RawMaterial (Graphic3d_NOM_ALUMINIUM,   "Aluminium"),
  60     RawMaterial (Graphic3d_NOM_OBSIDIAN,    "Obsidian"),
  61     RawMaterial (Graphic3d_NOM_NEON_PHC,    "Neon"),
  62     RawMaterial (Graphic3d_NOM_JADE,        "Jade"),
  63     RawMaterial (Graphic3d_NOM_CHARCOAL,    "Charcoal"),
  64     RawMaterial (Graphic3d_NOM_WATER,       "Water"),
  65     RawMaterial (Graphic3d_NOM_GLASS,       "Glass"),
  66     RawMaterial (Graphic3d_NOM_DIAMOND,     "Diamond"),
  67     RawMaterial (Graphic3d_NOM_TRANSPARENT, "Transparent"),
  68     RawMaterial (Graphic3d_NOM_DEFAULT,     "Default"),
  69     RawMaterial (Graphic3d_NOM_UserDefined, "UserDefined")
  70   };
  71 }
  72
  73 // =======================================================================
  74 // function : RawMaterial
  75 // purpose  :
  76 // =======================================================================
  77 RawMaterial::RawMaterial (Graphic3d_NameOfMaterial theName, const char* theStringName)
  78 : StringName      (theStringName),
  79   BSDF            (Graphic3d_BSDF::CreateDiffuse (Graphic3d_Vec3 (0.0f))),
  80   TransparencyCoef(0.0f),
  81   RefractionIndex (1.0f),
  82   Shininess       (0.039f),
  83   AmbientCoef     (0.25f),
  84   DiffuseCoef     (1.0f),
  85   MaterialType    (Graphic3d_MATERIAL_ASPECT),
  86   MaterialName    (theName)
  87 {
  88   switch (theName)
  89   {
  90     case Graphic3d_NOM_PLASTIC:
  91       MaterialType = Graphic3d_MATERIAL_ASPECT;
  92
  93       Shininess = 0.0078125f;
  94       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.50f));
  95       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.24f));
  96       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.06f));
  97       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
  98
  99       BSDF.Kd = Graphic3d_Vec3 (0.2f);
 100       BSDF.Ks = Graphic3d_Vec4 (0.00784314f, 0.00784314f, 0.00784314f, 0.25f);
 101       BSDF.Normalize();
 102       break;
 103     case Graphic3d_NOM_SHINY_PLASTIC:
 104       MaterialType = Graphic3d_MATERIAL_ASPECT;
 105
 106       Shininess = 1.00f;
 107       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.44f));
 108       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.50f));
 109       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (1.0f));
 110       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 111
 112       BSDF.Kd = Graphic3d_Vec3 (0.2f);
 113       BSDF.Ks = Graphic3d_Vec4 (0.145f, 0.145f, 0.145f, 0.17f);
 114       BSDF.Normalize();
 115       break;
 116     case Graphic3d_NOM_SATIN:
 117       MaterialType = Graphic3d_MATERIAL_ASPECT;
 118
 119       Shininess = 0.09375f;
 120       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.33f));
 121       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.40f));
 122       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.44f));
 123       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 124
 125       BSDF.Kd = Graphic3d_Vec3 (0.2f);
 126       BSDF.Ks = Graphic3d_Vec4 (0.6f);
 127       break;
 128     case Graphic3d_NOM_NEON_GNC:
 129       MaterialType = Graphic3d_MATERIAL_ASPECT;
 130
 131       Shininess = 0.05f;
 132       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.0f));
 133       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (1.0f));
 134       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.62f));
 135       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (1.0f));
 136
 137       BSDF.Kd = Graphic3d_Vec3 (0.0f);
 138       BSDF.Ks = Graphic3d_Vec4 (0.5f, 0.5f, 0.5f, 0.f);
 139       BSDF.Le = static_cast<Graphic3d_Vec3> (Colors[Graphic3d_TOR_DIFFUSE]);
 140       BSDF.FresnelBase = Graphic3d_Fresnel::CreateDielectric (1.5f);
 141       break;
 142     case Graphic3d_NOM_METALIZED:
 143       MaterialType = Graphic3d_MATERIAL_ASPECT;
 144
 145       Shininess = 0.13f;
 146       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.0f));
 147       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.47f));
 148       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.45f));
 149       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 150
 151       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 152                                              Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.2f)), 0.045f);
 153       break;
 154     case Graphic3d_NOM_BRASS:
 155       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 156
 157       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 158         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.58f, 0.42f, 0.20f)), 0.045f);
 159
 160       Shininess = 0.65f;
 161       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.329f, 0.224f, 0.027f));
 162       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.780f, 0.569f, 0.114f));
 163       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.992f, 0.941f, 0.808f));
 164       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 165       break;
 166     case Graphic3d_NOM_BRONZE:
 167       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 168
 169       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 170         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.65f, 0.35f, 0.15f)), 0.045f);
 171
 172       Shininess = 0.65f;
 173       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.213f, 0.128f, 0.054f));
 174       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.714f, 0.428f, 0.181f));
 175       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.590f, 0.408f, 0.250f));
 176       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 177       break;
 178     case Graphic3d_NOM_COPPER:
 179       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 180
 181       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 182         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.955008f, 0.637427f, 0.538163f)), 0.045f);
 183
 184       Shininess = 0.65f;
 185       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.191f, 0.074f, 0.023f));
 186       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.604f, 0.270f, 0.083f));
 187       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.950f, 0.640f, 0.540f));
 188       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 189       break;
 190     case Graphic3d_NOM_GOLD:
 191       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 192
 193       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 194         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (1.000000f, 0.765557f, 0.336057f)), 0.045f);
 195
 196       Shininess = 0.80f;
 197       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.300f, 0.230f, 0.095f));
 198       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.752f, 0.580f, 0.100f));
 199       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (1.000f, 0.710f, 0.290f));
 200       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 201       break;
 202     case Graphic3d_NOM_PEWTER:
 203       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 204
 205       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 206         Graphic3d_Fresnel::CreateConductor (1.8800f, 3.4900f), 0.045f);
 207
 208       Shininess = 0.50f;
 209       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.106f, 0.059f, 0.114f));
 210       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.427f, 0.471f, 0.541f));
 211       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.333f, 0.333f, 0.522f));
 212       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 213       break;
 214     case Graphic3d_NOM_PLASTER:
 215       MaterialType = Graphic3d_MATERIAL_ASPECT;
 216
 217       Shininess = 0.01f;
 218       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.26f));
 219       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.75f));
 220       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.05f));
 221       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 222
 223       BSDF.Kd = Graphic3d_Vec3 (0.482353f, 0.482353f, 0.482353f);
 224       break;
 225     case Graphic3d_NOM_SILVER:
 226       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 227
 228       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 229         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.971519f, 0.959915f, 0.915324f)), 0.045f);
 230
 231       Shininess = 0.75f;
 232       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.275f, 0.275f, 0.250f));
 233       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.630f, 0.630f, 0.630f));
 234       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.950f, 0.930f, 0.880f));
 235       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 236       break;
 237     case Graphic3d_NOM_STEEL:
 238       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 239
 240       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 241         Graphic3d_Fresnel::CreateConductor (Graphic3d_Vec3 (2.90f, 2.80f, 2.53f), Graphic3d_Vec3 (3.08f, 2.90f, 2.74f)), 0.045f);
 242
 243       Shininess = 0.90f;
 244       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.150f, 0.150f, 0.180f));
 245       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.500f, 0.510f, 0.520f));
 246       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.560f, 0.570f, 0.580f));
 247       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 248       break;
 249     case Graphic3d_NOM_STONE:
 250       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 251
 252       // special case for SetColor()
 253       AmbientCoef = 0.19f * 0.25f;
 254       DiffuseCoef = 0.75f;
 255
 256       Shininess = 0.17f;
 257       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (1.00f, 0.8f, 0.62f) * 0.19f);
 258       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (1.00f, 0.8f, 0.62f) * 0.75f);
 259       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.98f, 1.0f, 0.60f) * 0.08f);
 260       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 261
 262       BSDF.Kd = Graphic3d_Vec3 (0.243137f, 0.243137f, 0.243137f);
 263       BSDF.Ks = Graphic3d_Vec4 (0.00392157f, 0.00392157f, 0.00392157f, 0.5f);
 264       break;
 265     case Graphic3d_NOM_CHROME:
 266       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 267
 268       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 269         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.549585f, 0.556114f, 0.554256f)), 0.045f);
 270
 271       Shininess = 0.90f;
 272       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.200f, 0.200f, 0.225f));
 273       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.550f, 0.550f));
 274       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.975f, 0.975f, 0.975f));
 275       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 276       break;
 277     case Graphic3d_NOM_ALUMINIUM:
 278       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 279
 280       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 281         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.913183f, 0.921494f, 0.924524f)), 0.045f);
 282
 283       Shininess = 0.75f;
 284       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.300f, 0.300f, 0.300f));
 285       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.600f, 0.600f, 0.600f));
 286       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.910f, 0.920f, 0.920f));
 287       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 288       break;
 289     case Graphic3d_NOM_NEON_PHC:
 290       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 291
 292       Shininess = 0.05f;
 293       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.0f));
 294       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.0f));
 295       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.62f));
 296       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f, 0.90f, 0.414f));
 297
 298       BSDF.Kd = Graphic3d_Vec3 (0.0f);
 299       BSDF.Ks = Graphic3d_Vec4 (0.5f, 0.5f, 0.5f, 0.f);
 300       BSDF.Le = Graphic3d_Vec3 (0.0f, 1.0f, 0.46f);
 301       BSDF.FresnelBase = Graphic3d_Fresnel::CreateDielectric (1.5f);
 302       break;
 303     case Graphic3d_NOM_OBSIDIAN:
 304       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 305
 306       Shininess = 0.3f;
 307       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.054f, 0.050f, 0.066f));
 308       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.183f, 0.170f, 0.225f));
 309       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.333f, 0.329f, 0.346f));
 310       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 311
 312       BSDF.Kd = Graphic3d_Vec3 (0.023f, 0.f, 0.023f);
 313       BSDF.Ks = Graphic3d_Vec4 (0.0156863f, 0.0156863f, 0.0156863f, 0.1f);
 314       break;
 315     case Graphic3d_NOM_JADE:
 316       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 317
 318       Shininess = 0.10f;
 319       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.135f, 0.223f, 0.158f));
 320       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.540f, 0.890f, 0.630f));
 321       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.316f, 0.316f, 0.316f));
 322       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 323
 324       BSDF.FresnelBase = Graphic3d_Fresnel::CreateDielectric (1.5f);
 325       BSDF.Kd = Graphic3d_Vec3 (0.208658f, 0.415686f, 0.218401f);
 326       BSDF.Ks = Graphic3d_Vec4 (0.611765f, 0.611765f, 0.611765f, 0.06f);
 327       break;
 328     case Graphic3d_NOM_CHARCOAL:
 329       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 330
 331       Shininess = 0.01f;
 332       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.050f));
 333       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.150f));
 334       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 335       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 336
 337       BSDF.Kd = Graphic3d_Vec3 (0.02f, 0.02f, 0.02f);
 338       BSDF.Ks = Graphic3d_Vec4 (0.1f, 0.1f, 0.1f, 0.3f);
 339       break;
 340     case Graphic3d_NOM_WATER:
 341       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 342
 343       RefractionIndex  = 1.33f;
 344       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 345                                                       Graphic3d_Vec3 (0.7f, 0.75f, 0.85f),
 346                                                       0.05f,
 347                                                       RefractionIndex);
 348       TransparencyCoef = 0.80f;
 349
 350       Shininess = 0.90f;
 351       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.450f, 0.450f, 0.475f));
 352       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.050f, 0.050f, 0.075f));
 353       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.380f, 0.380f, 0.380f));
 354       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 355       break;
 356     case Graphic3d_NOM_GLASS:
 357       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 358
 359       RefractionIndex  = 1.62f;
 360       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 361                                                       Graphic3d_Vec3 (0.75f, 0.95f, 0.9f),
 362                                                       0.05f,
 363                                                       RefractionIndex);
 364       TransparencyCoef = 0.80f;
 365
 366       Shininess = 0.50f;
 367       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.575f, 0.575f));
 368       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.050f, 0.075f, 0.075f));
 369       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.920f, 0.920f, 0.920f));
 370       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 371       break;
 372     case Graphic3d_NOM_DIAMOND:
 373       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 374
 375       RefractionIndex  = 2.42f;
 376       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 377                                                       Graphic3d_Vec3 (0.95f, 0.95f, 0.95f),
 378                                                       0.05f,
 379                                                       RefractionIndex);
 380       TransparencyCoef = 0.80f;
 381
 382       Shininess = 0.90f;
 383       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f));
 384       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.100f));
 385       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.970f));
 386       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 387       break;
 388
 389     case Graphic3d_NOM_TRANSPARENT:
 390       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 391
 392       RefractionIndex = 1.0f;
 393
 394       BSDF.Kd = Graphic3d_Vec3 (0.1f);
 395       BSDF.Kt = Graphic3d_Vec3 (0.9f);
 396       BSDF.FresnelBase = Graphic3d_Fresnel::CreateConstant (0.0f);
 397       TransparencyCoef = 0.80f;
 398
 399       Shininess = 0.90f;
 400       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f));
 401       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.100f));
 402       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.970f));
 403       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 404       break;
 405     case Graphic3d_NOM_UserDefined:
 406       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 407       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.1f));
 408       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.8f));
 409       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.2f));
 410       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 411       break;
 412     case Graphic3d_NOM_DEFAULT:
 413       MaterialType = Graphic3d_MATERIAL_ASPECT;
 414
 415       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.30f));
 416       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.65f));
 417       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 418       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f));
 419       break;
 420   }
 421 }
 422
 423 // =======================================================================
 424 // function : Graphic3d_MaterialAspect
 425 // purpose  :
 426 // =======================================================================
 427 Graphic3d_MaterialAspect::Graphic3d_MaterialAspect()
 428 : myRequestedMaterialName (Graphic3d_NOM_DEFAULT)
 429 {
 430   init (Graphic3d_NOM_DEFAULT);
 431 }
 432
 433 // =======================================================================
 434 // function : Graphic3d_MaterialAspect
 435 // purpose  :
 436 // =======================================================================
 437 Graphic3d_MaterialAspect::Graphic3d_MaterialAspect (const Graphic3d_NameOfMaterial theName)
 438 : myRequestedMaterialName (theName)
 439 {
 440   init (theName);
 441 }
 442
 443 // =======================================================================
 444 // function : init
 445 // purpose  :
 446 // =======================================================================
 447 void Graphic3d_MaterialAspect::init (const Graphic3d_NameOfMaterial theName)
 448 {
 449   const RawMaterial& aMat = THE_MATERIALS[theName];
 450   myBSDF       = aMat.BSDF;
 451   myStringName = aMat.StringName;
 452   myColors[Graphic3d_TOR_AMBIENT]     = aMat.Colors[Graphic3d_TOR_AMBIENT];
 453   myColors[Graphic3d_TOR_DIFFUSE]     = aMat.Colors[Graphic3d_TOR_DIFFUSE];
 454   myColors[Graphic3d_TOR_SPECULAR]    = aMat.Colors[Graphic3d_TOR_SPECULAR];
 455   myColors[Graphic3d_TOR_EMISSION]    = aMat.Colors[Graphic3d_TOR_EMISSION];
 456   myTransparencyCoef = aMat.TransparencyCoef;
 457   myRefractionIndex  = aMat.RefractionIndex;
 458   myShininess        = aMat.Shininess;
 459   myMaterialType     = aMat.MaterialType;
 460   myMaterialName     = theName;
 461   myRequestedMaterialName = theName;
 462 }
 463
 464 // =======================================================================
 465 // function : IncreaseShine
 466 // purpose  :
 467 // =======================================================================
 468 void Graphic3d_MaterialAspect::IncreaseShine (const Standard_ShortReal theDelta)
 469 {
 470   const Standard_ShortReal anOldShine = myShininess;
 471   myShininess = myShininess + myShininess * theDelta / 100.0f;
 472   if (myShininess > 1.0f || myShininess < 0.0f)
 473   {
 474     myShininess = anOldShine;
 475   }
 476 }
 477
 478 // =======================================================================
 479 // function : SetMaterialType
 480 // purpose  :
 481 // =======================================================================
 482 void Graphic3d_MaterialAspect::SetMaterialType (const Graphic3d_TypeOfMaterial theType)
 483 {
 484   myMaterialType = theType;
 485   if (theType != myMaterialType)
 486   {
 487     setUserMaterial();
 488   }
 489 }
 490
 491 // =======================================================================
 492 // function : SetColor
 493 // purpose  :
 494 // =======================================================================
 495 void Graphic3d_MaterialAspect::SetColor (const Quantity_Color& theColor)
 496 {
 497   if (myMaterialType == Graphic3d_MATERIAL_ASPECT)
 498   {
 499     return;
 500   }
 501
 502   const RawMaterial& aSrcMat = THE_MATERIALS[myRequestedMaterialName];
 503   const Quantity_Color anAmbient((Graphic3d_Vec3 )theColor * aSrcMat.AmbientCoef);
 504   const Quantity_Color aDiffuse ((Graphic3d_Vec3 )theColor * aSrcMat.DiffuseCoef);
 505   if (myMaterialName != Graphic3d_NOM_UserDefined
 506    && (!myColors[Graphic3d_TOR_AMBIENT].IsEqual (anAmbient)
 507     || !myColors[Graphic3d_TOR_DIFFUSE].IsEqual (aDiffuse)))
 508   {
 509     setUserMaterial();
 510   }
 511   myColors[Graphic3d_TOR_AMBIENT] = anAmbient;
 512   myColors[Graphic3d_TOR_DIFFUSE] = aDiffuse;
 513 }
 514
 515 // =======================================================================
 516 // function : SetAmbientColor
 517 // purpose  :
 518 // =======================================================================
 519 void Graphic3d_MaterialAspect::SetAmbientColor (const Quantity_Color& theColor)
 520 {
 521   if (myMaterialType == Graphic3d_MATERIAL_PHYSIC
 522   &&  myMaterialName != Graphic3d_NOM_UserDefined
 523   && !myColors[Graphic3d_TOR_AMBIENT].IsEqual (theColor))
 524   {
 525     setUserMaterial();
 526   }
 527   myColors[Graphic3d_TOR_AMBIENT] = theColor;
 528 }
 529
 530 // =======================================================================
 531 // function : SetDiffuseColor
 532 // purpose  :
 533 // =======================================================================
 534 void Graphic3d_MaterialAspect::SetDiffuseColor (const Quantity_Color& theColor)
 535 {
 536   if (myMaterialType == Graphic3d_MATERIAL_PHYSIC
 537   &&  myMaterialName != Graphic3d_NOM_UserDefined
 538   && !myColors[Graphic3d_TOR_DIFFUSE].IsEqual (theColor))
 539   {
 540     setUserMaterial();
 541   }
 542   myColors[Graphic3d_TOR_DIFFUSE] = theColor;
 543 }
 544
 545 // =======================================================================
 546 // function : SetSpecularColor
 547 // purpose  :
 548 // =======================================================================
 549 void Graphic3d_MaterialAspect::SetSpecularColor (const Quantity_Color& theColor)
 550 {
 551   if (myMaterialType == Graphic3d_MATERIAL_PHYSIC
 552   &&  myMaterialName != Graphic3d_NOM_UserDefined
 553   && !myColors[Graphic3d_TOR_SPECULAR].IsEqual (theColor))
 554   {
 555     setUserMaterial();
 556   }
 557   myColors[Graphic3d_TOR_SPECULAR] = theColor;
 558 }
 559
 560 // =======================================================================
 561 // function : SetEmissiveColor
 562 // purpose  :
 563 // =======================================================================
 564 void Graphic3d_MaterialAspect::SetEmissiveColor (const Quantity_Color& theColor)
 565 {
 566   if (myMaterialType == Graphic3d_MATERIAL_PHYSIC
 567   &&  myMaterialName != Graphic3d_NOM_UserDefined
 568   && !myColors[Graphic3d_TOR_EMISSION].IsEqual (theColor))
 569   {
 570     setUserMaterial();
 571   }
 572   myColors[Graphic3d_TOR_EMISSION] = theColor;
 573 }
 574
 575 // =======================================================================
 576 // function : SetTransparency
 577 // purpose  :
 578 // =======================================================================
 579 void Graphic3d_MaterialAspect::SetTransparency (const Standard_ShortReal theValue)
 580 {
 581   if (theValue < 0.0f
 582    || theValue > 1.0f)
 583   {
 584     throw Graphic3d_MaterialDefinitionError("Bad value for SetTransparency < 0. or > 1.0");
 585   }
 586
 587   myTransparencyCoef = theValue;
 588 }
 589
 590 // =======================================================================
 591 // function : SetRefractionIndex
 592 // purpose  :
 593 // =======================================================================
 594 void Graphic3d_MaterialAspect::SetRefractionIndex (const Standard_ShortReal theValue)
 595 {
 596   if (theValue < 1.0f)
 597   {
 598     throw Graphic3d_MaterialDefinitionError("Bad value for refraction index < 1.0");
 599   }
 600
 601   myRefractionIndex = theValue;
 602 }
 603
 604 // =======================================================================
 605 // function : SetShininess
 606 // purpose  :
 607 // =======================================================================
 608 void Graphic3d_MaterialAspect::SetShininess (const Standard_ShortReal theValue)
 609 {
 610   if (theValue < 0.0f
 611    || theValue > 1.0f)
 612   {
 613     throw Graphic3d_MaterialDefinitionError("Bad value for Shininess < 0. or > 1.0");
 614   }
 615
 616   if (myShininess != theValue)
 617   {
 618     myShininess = theValue;
 619     setUserMaterial();
 620   }
 621 }
 622
 623 // =======================================================================
 624 // function : MaterialName
 625 // purpose  :
 626 // =======================================================================
 627 Standard_CString Graphic3d_MaterialAspect::MaterialName (const Standard_Integer theRank)
 628 {
 629   if (theRank < 1 || theRank > NumberOfMaterials())
 630   {
 631     throw Standard_OutOfRange("BAD index of material");
 632   }
 633   const RawMaterial& aMat = THE_MATERIALS[theRank - 1];
 634   return aMat.StringName;
 635 }
 636
 637 // =======================================================================
 638 // function : MaterialFromName
 639 // purpose  :
 640 // =======================================================================
 641 Standard_Boolean Graphic3d_MaterialAspect::MaterialFromName (const Standard_CString theName,
 642                                                              Graphic3d_NameOfMaterial& theMat)
 643 {
 644   TCollection_AsciiString aName (theName);
 645   aName.LowerCase();
 646   aName.Capitalize();
 647   const Standard_Integer aNbMaterials = Graphic3d_MaterialAspect::NumberOfMaterials();
 648   for (Standard_Integer aMatIter = 0; aMatIter <= aNbMaterials; ++aMatIter)
 649   {
 650     const RawMaterial& aMat = THE_MATERIALS[aMatIter];
 651     if (aName == aMat.StringName)
 652     {
 653       theMat = Graphic3d_NameOfMaterial(aMatIter);
 654       return Standard_True;
 655     }
 656   }
 657
 658   // parse aliases
 659   if (aName == "Plastic")            // Plastified
 660   {
 661     theMat = Graphic3d_NOM_PLASTIC;
 662     return Standard_True;
 663   }
 664   else if (aName == "Shiny_plastic") // Shiny_plastified
 665   {
 666     theMat = Graphic3d_NOM_SHINY_PLASTIC;
 667     return Standard_True;
 668   }
 669   else if (aName == "Plaster")       // Plastered
 670   {
 671     theMat = Graphic3d_NOM_PLASTER;
 672     return Standard_True;
 673   }
 674   else if (aName == "Satin")         // Satined
 675   {
 676     theMat = Graphic3d_NOM_SATIN;
 677     return Standard_True;
 678   }
 679   else if (aName == "Neon_gnc")      // Ionized
 680   {
 681     theMat = Graphic3d_NOM_NEON_GNC;
 682     return Standard_True;
 683   }
 684   else if (aName == "Neon_phc") // Neon
 685   {
 686     theMat = Graphic3d_NOM_NEON_PHC;
 687     return Standard_True;
 688   }
 689   return Standard_False;
 690 }
 691
 692 // =======================================================================
 693 // function : MaterialType
 694 // purpose  :
 695 // =======================================================================
 696 Graphic3d_TypeOfMaterial Graphic3d_MaterialAspect::MaterialType (const Standard_Integer theRank)
 697 {
 698   if (theRank < 1 || theRank > NumberOfMaterials())
 699   {
 700     throw Standard_OutOfRange("BAD index of material");
 701   }
 702   const RawMaterial& aMat = THE_MATERIALS[theRank - 1];
 703   return aMat.MaterialType;
 704 }