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       ColorCoef[Graphic3d_TypeOfReflection_NB];
  30     Standard_ShortReal       TransparencyCoef;
  31     Standard_ShortReal       RefractionIndex;
  32     Standard_ShortReal       Shininess;
  33     Standard_ShortReal       EnvReflexion;
  34     Graphic3d_TypeOfMaterial MaterialType;
  35     Graphic3d_NameOfMaterial MaterialName;
  36     Standard_Boolean         ReflActivity[Graphic3d_TypeOfReflection_NB];
  37
  38     RawMaterial (Graphic3d_NameOfMaterial theName, const char* theStringName);
  39
  40   };
  41
  42   //! Name list of standard materials (defined within enumeration).
  43   static const RawMaterial THE_MATERIALS[] =
  44   {
  45     RawMaterial (Graphic3d_NOM_BRASS,       "Brass"),
  46     RawMaterial (Graphic3d_NOM_BRONZE,      "Bronze"),
  47     RawMaterial (Graphic3d_NOM_COPPER,      "Copper"),
  48     RawMaterial (Graphic3d_NOM_GOLD,        "Gold"),
  49     RawMaterial (Graphic3d_NOM_PEWTER,      "Pewter"),
  50     RawMaterial (Graphic3d_NOM_PLASTER,     "Plastered"),
  51     RawMaterial (Graphic3d_NOM_PLASTIC,     "Plastified"),
  52     RawMaterial (Graphic3d_NOM_SILVER,      "Silver"),
  53     RawMaterial (Graphic3d_NOM_STEEL,       "Steel"),
  54     RawMaterial (Graphic3d_NOM_STONE,       "Stone"),
  55     RawMaterial (Graphic3d_NOM_SHINY_PLASTIC, "Shiny_plastified"),
  56     RawMaterial (Graphic3d_NOM_SATIN,       "Satined"),
  57     RawMaterial (Graphic3d_NOM_METALIZED,   "Metalized"),
  58     RawMaterial (Graphic3d_NOM_NEON_GNC,    "Ionized"),
  59     RawMaterial (Graphic3d_NOM_CHROME,      "Chrome"),
  60     RawMaterial (Graphic3d_NOM_ALUMINIUM,   "Aluminium"),
  61     RawMaterial (Graphic3d_NOM_OBSIDIAN,    "Obsidian"),
  62     RawMaterial (Graphic3d_NOM_NEON_PHC,    "Neon"),
  63     RawMaterial (Graphic3d_NOM_JADE,        "Jade"),
  64     RawMaterial (Graphic3d_NOM_CHARCOAL,    "Charcoal"),
  65     RawMaterial (Graphic3d_NOM_WATER,       "Water"),
  66     RawMaterial (Graphic3d_NOM_GLASS,       "Glass"),
  67     RawMaterial (Graphic3d_NOM_DIAMOND,     "Diamond"),
  68     RawMaterial (Graphic3d_NOM_TRANSPARENT, "Transparent"),
  69     RawMaterial (Graphic3d_NOM_DEFAULT,     "Default"),
  70     RawMaterial (Graphic3d_NOM_UserDefined, "UserDefined")
  71   };
  72 }
  73
  74 // =======================================================================
  75 // function : RawMaterial
  76 // purpose  :
  77 // =======================================================================
  78 RawMaterial::RawMaterial (Graphic3d_NameOfMaterial theName, const char* theStringName)
  79 : StringName      (theStringName),
  80   BSDF            (Graphic3d_BSDF::CreateDiffuse (Graphic3d_Vec3 (0.0f))),
  81   TransparencyCoef(0.0f),
  82   RefractionIndex (1.0f),
  83   Shininess       (0.039f),
  84   EnvReflexion    (0.0f),
  85   MaterialType    (Graphic3d_MATERIAL_ASPECT),
  86   MaterialName    (theName)
  87 {
  88   ReflActivity[Graphic3d_TOR_AMBIENT]  = Standard_True;
  89   ReflActivity[Graphic3d_TOR_DIFFUSE]  = Standard_True;
  90   ReflActivity[Graphic3d_TOR_SPECULAR] = Standard_True;
  91   ReflActivity[Graphic3d_TOR_EMISSION] = Standard_False;
  92
  93   ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.3f;
  94   ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.65f;
  95   ColorCoef[Graphic3d_TOR_SPECULAR] = 0.0f;
  96   ColorCoef[Graphic3d_TOR_EMISSION] = 0.0f;
  97
  98   Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.2f, 0.2f, 0.2f));
  99   Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.2f, 0.2f, 0.2f));
 100   Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (1.0f, 1.0f, 1.0f));
 101   switch (theName)
 102   {
 103     case Graphic3d_NOM_PLASTIC:
 104       Shininess                         = 0.0078125f;
 105       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.50f;
 106       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.24f;
 107       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.06f;
 108
 109       BSDF.Kd = (Graphic3d_Vec3 )Colors[Graphic3d_TOR_DIFFUSE];
 110       BSDF.Ks = Graphic3d_Vec3 (0.00784314f, 0.00784314f, 0.00784314f);
 111       BSDF.Normalize();
 112       BSDF.Roughness = 0.25f;
 113       break;
 114     case Graphic3d_NOM_SHINY_PLASTIC:
 115       Shininess                         = 1.00f;
 116       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.44f;
 117       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.50f;
 118       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 119
 120       BSDF.Kd = (Graphic3d_Vec3 )Colors[Graphic3d_TOR_DIFFUSE];
 121       BSDF.Ks = Graphic3d_Vec3 (0.145f, 0.145f, 0.145f);
 122       BSDF.Normalize();
 123       BSDF.Roughness = 0.17f;
 124       break;
 125     case Graphic3d_NOM_SATIN:
 126       Shininess                         = 0.09375f;
 127       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.33f;
 128       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.40f;
 129       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.44f;
 130
 131       BSDF.Kd = Graphic3d_Vec3 (0.2f);
 132       BSDF.Ks = Graphic3d_Vec3 (0.6f);
 133       BSDF.Roughness = 0.6f;
 134
 135       break;
 136     case Graphic3d_NOM_NEON_GNC:
 137       Shininess                         = 0.05f;
 138       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 139       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 140       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.62f;
 141       ColorCoef[Graphic3d_TOR_EMISSION] = 1.00f;
 142       ReflActivity[Graphic3d_TOR_AMBIENT]  = Standard_False;
 143       ReflActivity[Graphic3d_TOR_EMISSION] = Standard_True;
 144
 145       BSDF.Kd = Graphic3d_Vec3 (0.0f);
 146       BSDF.Kr = Graphic3d_Vec3 (0.5f);
 147       BSDF.Le = (Graphic3d_Vec3 )Colors[Graphic3d_TOR_DIFFUSE];
 148       BSDF.Fresnel = Graphic3d_Fresnel::CreateDielectric (1.5f);
 149       break;
 150     case Graphic3d_NOM_METALIZED:
 151       Shininess                         = 0.13f;
 152       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.90f;
 153       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.47f;
 154       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.45f;
 155       ReflActivity[Graphic3d_TOR_AMBIENT] = Standard_False;
 156       {
 157         const Graphic3d_Vec3 aColor = (Graphic3d_Vec3 )Colors[Graphic3d_TOR_DIFFUSE];
 158         BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 159           Graphic3d_Fresnel::CreateSchlick (aColor), 0.045f);
 160       }
 161       break;
 162     // Ascending Compatibility physical materials. The same definition is taken as in the next constructor.
 163     case Graphic3d_NOM_BRASS:
 164       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 165
 166       Shininess                         = 0.65f;
 167       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 168       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 169       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 170
 171       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 172         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.58f, 0.42f, 0.20f)), 0.045f);
 173
 174       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.329f, 0.224f, 0.027f));
 175       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.780f, 0.569f, 0.114f));
 176       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.992f, 0.941f, 0.808f));
 177       break;
 178     case Graphic3d_NOM_BRONZE:
 179       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 180
 181       Shininess                         = 0.65f;
 182       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 183       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 184       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 185
 186       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 187         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.65f, 0.35f, 0.15f)), 0.045f);
 188
 189       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.213f, 0.128f, 0.054f));
 190       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.714f, 0.428f, 0.181f));
 191       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.590f, 0.408f, 0.250f));
 192       break;
 193     case Graphic3d_NOM_COPPER:
 194       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 195
 196       Shininess                         = 0.65f;
 197       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 198       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 199       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 200
 201       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 202         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.955008f, 0.637427f, 0.538163f)), 0.045f);
 203
 204       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.191f, 0.074f, 0.023f));
 205       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.604f, 0.270f, 0.083f));
 206       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.950f, 0.640f, 0.540f));
 207       break;
 208     case Graphic3d_NOM_GOLD:
 209       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 210
 211       Shininess                         = 0.80f;
 212       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 213       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 214       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 215
 216       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 217         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (1.000000f, 0.765557f, 0.336057f)), 0.045f);
 218
 219       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.300f, 0.230f, 0.095f));
 220       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.752f, 0.580f, 0.100f));
 221       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (1.000f, 0.710f, 0.290f));
 222       break;
 223     case Graphic3d_NOM_PEWTER:
 224       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 225
 226       Shininess                         = 0.50f;
 227       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 228       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 229       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 230
 231       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 232         Graphic3d_Fresnel::CreateConductor (1.8800f, 3.4900f), 0.045f);
 233
 234       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.106f, 0.059f, 0.114f));
 235       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.427f, 0.471f, 0.541f));
 236       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.333f, 0.333f, 0.522f));
 237       break;
 238     case Graphic3d_NOM_PLASTER:
 239       Shininess                         = 0.01f;
 240       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.26f;
 241       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.75f;
 242       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.05f;
 243
 244       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.192f, 0.192f, 0.192f));
 245       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.508f, 0.508f, 0.508f));
 246       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.508f, 0.508f, 0.508f));
 247
 248       BSDF.Kd = Graphic3d_Vec3 (0.482353f, 0.482353f, 0.482353f);
 249
 250       break;
 251     case Graphic3d_NOM_SILVER:
 252       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 253
 254       Shininess                         = 0.75f;
 255       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 256       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 257       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 258
 259       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 260         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.971519f, 0.959915f, 0.915324f)), 0.045f);
 261
 262       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.275f, 0.275f, 0.250f));
 263       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.630f, 0.630f, 0.630f));
 264       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.950f, 0.930f, 0.880f));
 265       break;
 266     case Graphic3d_NOM_STEEL:
 267       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 268
 269       Shininess                         = 0.90f;
 270       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 271       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 272       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 273
 274       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 275         Graphic3d_Fresnel::CreateConductor (Graphic3d_Vec3 (2.90f, 2.80f, 2.53f), Graphic3d_Vec3 (3.08f, 2.90f, 2.74f)), 0.045f);
 276
 277       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.150f, 0.150f, 0.180f));
 278       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.500f, 0.510f, 0.520f));
 279       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.560f, 0.570f, 0.580f));
 280       break;
 281     case Graphic3d_NOM_STONE:
 282       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 283
 284       Shininess                         = 0.17f;
 285       ColorCoef[Graphic3d_TOR_AMBIENT]  = 0.19f;
 286       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 0.75f;
 287       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.08f;
 288
 289       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (1.00f, 0.8f, 0.62f));
 290       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (1.00f, 0.8f, 0.62f));
 291       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.98f, 1.0f, 0.60f));
 292
 293       BSDF.Kd = Graphic3d_Vec3 (0.243137f, 0.243137f, 0.243137f);
 294       BSDF.Ks = Graphic3d_Vec3 (0.00392157f, 0.00392157f, 0.00392157f);
 295
 296       break;
 297     // Ascending Compatibility of physical materials. Takes the same definition as in the next constructor. New materials
 298     case Graphic3d_NOM_CHROME:
 299       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 300
 301       Shininess                         = 0.90f;
 302       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 303       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 304       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 305
 306       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 307         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.549585f, 0.556114f, 0.554256f)), 0.045f);
 308
 309       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.200f, 0.200f, 0.225f));
 310       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.550f, 0.550f));
 311       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.975f, 0.975f, 0.975f));
 312       break;
 313     case Graphic3d_NOM_ALUMINIUM:
 314       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 315
 316       Shininess                         = 0.75f;
 317       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 318       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 319       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 320
 321       BSDF = Graphic3d_BSDF::CreateMetallic (Graphic3d_Vec3 (0.985f, 0.985f, 0.985f),
 322         Graphic3d_Fresnel::CreateSchlick (Graphic3d_Vec3 (0.913183f, 0.921494f, 0.924524f)), 0.045f);
 323
 324       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.300f, 0.300f, 0.300f));
 325       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.600f, 0.600f, 0.600f));
 326       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.910f, 0.920f, 0.920f));
 327       break;
 328     case Graphic3d_NOM_NEON_PHC:
 329       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 330
 331       Shininess                         = 0.05f;
 332       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 333       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 334       ColorCoef[Graphic3d_TOR_SPECULAR] = 0.62f;
 335       ColorCoef[Graphic3d_TOR_EMISSION] = 0.90f;
 336       ReflActivity[Graphic3d_TOR_AMBIENT]  = Standard_False;
 337       ReflActivity[Graphic3d_TOR_DIFFUSE]  = Standard_False;
 338       ReflActivity[Graphic3d_TOR_EMISSION] = Standard_True;
 339
 340       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (1.0f, 1.0f, 1.0f));
 341       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (1.0f, 1.0f, 1.0f));
 342       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (1.0f, 1.0f, 1.0f));
 343       Colors[Graphic3d_TOR_EMISSION] = Quantity_Color (Graphic3d_Vec3 (0.0f, 1.0f, 0.46f));
 344
 345       BSDF.Kd = Graphic3d_Vec3 (0.0f);
 346       BSDF.Kr = Graphic3d_Vec3 (0.5f);
 347       BSDF.Le = Graphic3d_Vec3 (0.0f, 1.0f, 0.46f);
 348       BSDF.Fresnel = Graphic3d_Fresnel::CreateDielectric (1.5f);
 349       break;
 350     case Graphic3d_NOM_OBSIDIAN:
 351       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 352
 353       Shininess                         = 0.3f;
 354       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.0f;
 355       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.0f;
 356       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.0f;
 357
 358       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.054f, 0.050f, 0.066f));
 359       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.183f, 0.170f, 0.225f));
 360       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.333f, 0.329f, 0.346f));
 361
 362       BSDF.Kd = Graphic3d_Vec3 (0.023f, 0.f, 0.023f);
 363       BSDF.Ks = Graphic3d_Vec3 (0.0156863f, 0.0156863f, 0.0156863f);
 364       BSDF.Roughness = 0.1f;
 365       break;
 366     case Graphic3d_NOM_JADE:
 367       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 368
 369       Shininess                         = 0.10f;
 370       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 371       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 372       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 373
 374       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.135f, 0.223f, 0.158f));
 375       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.540f, 0.890f, 0.630f));
 376       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.316f, 0.316f, 0.316f));
 377
 378       BSDF.Fresnel = Graphic3d_Fresnel::CreateDielectric (1.5f);
 379       BSDF.Kd = Graphic3d_Vec3 (0.208658f, 0.415686f, 0.218401f);
 380       BSDF.Ks = Graphic3d_Vec3 (0.611765f, 0.611765f, 0.611765f);
 381       BSDF.Roughness = 0.06f;
 382       break;
 383     case Graphic3d_NOM_CHARCOAL:
 384       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 385
 386       Shininess                         = 0.01f;
 387       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 388       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 389       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 390
 391       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.050f, 0.050f, 0.050f));
 392       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.150f, 0.150f, 0.150f));
 393       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.000f, 0.000f, 0.000f));
 394
 395       BSDF.Kd = Graphic3d_Vec3 (0.02f, 0.02f, 0.02f);
 396       BSDF.Ks = Graphic3d_Vec3 (0.1f, 0.1f, 0.1f);
 397       BSDF.Roughness = 0.3f;
 398       break;
 399     case Graphic3d_NOM_WATER:
 400       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 401
 402       Shininess                         = 0.90f;
 403       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 404       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 405       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 406       RefractionIndex  = 1.33f;
 407       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 408                                                       Graphic3d_Vec3 (0.7f, 0.75f, 0.85f),
 409                                                       0.05f,
 410                                                       RefractionIndex);
 411       TransparencyCoef = 0.80f;
 412
 413       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.450f, 0.450f, 0.475f));
 414       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.050f, 0.050f, 0.075f));
 415       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.380f, 0.380f, 0.380f));
 416       break;
 417     case Graphic3d_NOM_GLASS:
 418       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 419
 420       Shininess                         = 0.50f;
 421       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 422       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 423       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 424       RefractionIndex  = 1.62f;
 425       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 426                                                       Graphic3d_Vec3 (0.75f, 0.95f, 0.9f),
 427                                                       0.05f,
 428                                                       RefractionIndex);
 429       TransparencyCoef = 0.80f;
 430
 431       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.575f, 0.575f));
 432       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.050f, 0.075f, 0.075f));
 433       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.920f, 0.920f, 0.920f));
 434       break;
 435     case Graphic3d_NOM_DIAMOND:
 436       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 437
 438       Shininess                         = 0.90f;
 439       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 440       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 441       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 442       RefractionIndex  = 2.42f;
 443       BSDF             = Graphic3d_BSDF::CreateGlass (Graphic3d_Vec3 (1.f),
 444                                                       Graphic3d_Vec3 (0.95f, 0.95f, 0.95f),
 445                                                       0.05f,
 446                                                       RefractionIndex);
 447       TransparencyCoef = 0.80f;
 448
 449       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.550f, 0.550f));
 450       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.100f, 0.100f, 0.100f));
 451       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.970f, 0.970f, 0.970f));
 452       break;
 453
 454     case Graphic3d_NOM_TRANSPARENT:
 455       MaterialType = Graphic3d_MATERIAL_PHYSIC;
 456
 457       Shininess                         = 0.90f;
 458       ColorCoef[Graphic3d_TOR_AMBIENT]  = 1.00f;
 459       ColorCoef[Graphic3d_TOR_DIFFUSE]  = 1.00f;
 460       ColorCoef[Graphic3d_TOR_SPECULAR] = 1.00f;
 461       RefractionIndex = 1.0f;
 462
 463       BSDF.Kd = Graphic3d_Vec3 (0.1f);
 464       BSDF.Kt = Graphic3d_Vec3 (0.9f);
 465       BSDF.Fresnel = Graphic3d_Fresnel::CreateConstant (0.0f);
 466       TransparencyCoef = 0.80f;
 467
 468       Colors[Graphic3d_TOR_AMBIENT]  = Quantity_Color (Graphic3d_Vec3 (0.550f, 0.550f, 0.550f));
 469       Colors[Graphic3d_TOR_DIFFUSE]  = Quantity_Color (Graphic3d_Vec3 (0.100f, 0.100f, 0.100f));
 470       Colors[Graphic3d_TOR_SPECULAR] = Quantity_Color (Graphic3d_Vec3 (0.970f, 0.970f, 0.970f));
 471       break;
 472     case Graphic3d_NOM_UserDefined:
 473       break;
 474     case Graphic3d_NOM_DEFAULT:
 475       break;
 476   }
 477 }
 478
 479 // =======================================================================
 480 // function : Graphic3d_MaterialAspect
 481 // purpose  :
 482 // =======================================================================
 483 Graphic3d_MaterialAspect::Graphic3d_MaterialAspect()
 484 : myRequestedMaterialName (Graphic3d_NOM_DEFAULT)
 485 {
 486   init (Graphic3d_NOM_DEFAULT);
 487 }
 488
 489 // =======================================================================
 490 // function : Graphic3d_MaterialAspect
 491 // purpose  :
 492 // =======================================================================
 493 Graphic3d_MaterialAspect::Graphic3d_MaterialAspect (const Graphic3d_NameOfMaterial theName)
 494 : myRequestedMaterialName (theName)
 495 {
 496   init (theName);
 497 }
 498
 499 // =======================================================================
 500 // function : init
 501 // purpose  :
 502 // =======================================================================
 503 void Graphic3d_MaterialAspect::init (const Graphic3d_NameOfMaterial theName)
 504 {
 505   const RawMaterial& aMat = THE_MATERIALS[theName];
 506   myBSDF       = aMat.BSDF;
 507   myStringName = aMat.StringName;
 508   myColors[Graphic3d_TOR_AMBIENT]     = aMat.Colors[Graphic3d_TOR_AMBIENT];
 509   myColors[Graphic3d_TOR_DIFFUSE]     = aMat.Colors[Graphic3d_TOR_DIFFUSE];
 510   myColors[Graphic3d_TOR_SPECULAR]    = aMat.Colors[Graphic3d_TOR_SPECULAR];
 511   myColors[Graphic3d_TOR_EMISSION]    = aMat.Colors[Graphic3d_TOR_EMISSION];
 512   myColorCoef[Graphic3d_TOR_AMBIENT]  = aMat.ColorCoef[Graphic3d_TOR_AMBIENT];
 513   myColorCoef[Graphic3d_TOR_DIFFUSE]  = aMat.ColorCoef[Graphic3d_TOR_DIFFUSE];
 514   myColorCoef[Graphic3d_TOR_SPECULAR] = aMat.ColorCoef[Graphic3d_TOR_SPECULAR];
 515   myColorCoef[Graphic3d_TOR_EMISSION] = aMat.ColorCoef[Graphic3d_TOR_EMISSION];
 516   myTransparencyCoef = aMat.TransparencyCoef;
 517   myRefractionIndex  = aMat.RefractionIndex;
 518   myShininess        = aMat.Shininess;
 519   myEnvReflexion     = aMat.EnvReflexion;
 520   myMaterialType     = aMat.MaterialType;
 521   myMaterialName     = theName;
 522   myRequestedMaterialName = theName;
 523   myReflActivity[Graphic3d_TOR_AMBIENT]  = aMat.ReflActivity[Graphic3d_TOR_AMBIENT];
 524   myReflActivity[Graphic3d_TOR_DIFFUSE]  = aMat.ReflActivity[Graphic3d_TOR_DIFFUSE];
 525   myReflActivity[Graphic3d_TOR_SPECULAR] = aMat.ReflActivity[Graphic3d_TOR_SPECULAR];
 526   myReflActivity[Graphic3d_TOR_EMISSION] = aMat.ReflActivity[Graphic3d_TOR_EMISSION];
 527 }
 528
 529 // =======================================================================
 530 // function : IncreaseShine
 531 // purpose  :
 532 // =======================================================================
 533 void Graphic3d_MaterialAspect::IncreaseShine (const Standard_ShortReal theDelta)
 534 {
 535   const Standard_ShortReal anOldShine = myShininess;
 536   myShininess = myShininess + myShininess * theDelta / 100.0f;
 537   if (myShininess > 1.0f || myShininess < 0.0f)
 538   {
 539     myShininess = anOldShine;
 540   }
 541 }
 542
 543 // =======================================================================
 544 // function : SetMaterialType
 545 // purpose  :
 546 // =======================================================================
 547 void Graphic3d_MaterialAspect::SetMaterialType (const Graphic3d_TypeOfMaterial theType)
 548 {
 549   myMaterialType = theType;
 550   if (theType != myMaterialType)
 551   {
 552     setUserMaterial();
 553   }
 554 }
 555
 556 // =======================================================================
 557 // function : SetAmbient
 558 // purpose  :
 559 // =======================================================================
 560 void Graphic3d_MaterialAspect::SetAmbient (const Standard_ShortReal theValue)
 561 {
 562   if (theValue < 0.0f
 563    || theValue > 1.0f)
 564   {
 565     Graphic3d_MaterialDefinitionError::Raise ("Bad value for SetAmbient < 0. or > 1.0");
 566   }
 567
 568   myColorCoef[Graphic3d_TOR_AMBIENT] = theValue;
 569   if (myReflActivity[Graphic3d_TOR_AMBIENT]
 570    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 571   {
 572     setUserMaterial();
 573   }
 574 }
 575
 576 // =======================================================================
 577 // function : SetColor
 578 // purpose  :
 579 // =======================================================================
 580 void Graphic3d_MaterialAspect::SetColor (const Quantity_Color& theColor)
 581 {
 582   const Standard_ShortReal anAmbientCoeff = 0.25f;
 583   myColors[Graphic3d_TOR_AMBIENT].SetValues (theColor.Red()   * anAmbientCoeff,
 584                                              theColor.Green() * anAmbientCoeff,
 585                                              theColor.Blue()  * anAmbientCoeff, Quantity_TOC_RGB);
 586   myColors[Graphic3d_TOR_DIFFUSE] =  theColor;
 587   if (myReflActivity[Graphic3d_TOR_AMBIENT]
 588    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 589   {
 590     setUserMaterial();
 591   }
 592 }
 593
 594 // =======================================================================
 595 // function : SetAmbientColor
 596 // purpose  :
 597 // =======================================================================
 598 void Graphic3d_MaterialAspect::SetAmbientColor (const Quantity_Color& theColor)
 599 {
 600   myColors[Graphic3d_TOR_AMBIENT] = theColor;
 601   if (myReflActivity[Graphic3d_TOR_AMBIENT]
 602    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 603   {
 604     setUserMaterial();
 605   }
 606 }
 607
 608 // =======================================================================
 609 // function : SetDiffuseColor
 610 // purpose  :
 611 // =======================================================================
 612 void Graphic3d_MaterialAspect::SetDiffuseColor (const Quantity_Color& theColor)
 613 {
 614   myColors[Graphic3d_TOR_DIFFUSE] = theColor;
 615   if (myReflActivity[Graphic3d_TOR_DIFFUSE]
 616    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 617   {
 618     setUserMaterial();
 619   }
 620 }
 621
 622 // =======================================================================
 623 // function : SetSpecularColor
 624 // purpose  :
 625 // =======================================================================
 626 void Graphic3d_MaterialAspect::SetSpecularColor (const Quantity_Color& theColor)
 627 {
 628   myColors[Graphic3d_TOR_SPECULAR] = theColor;
 629   if (myReflActivity[Graphic3d_TOR_SPECULAR]
 630    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 631   {
 632     setUserMaterial();
 633   }
 634 }
 635
 636 // =======================================================================
 637 // function : SetEmissiveColor
 638 // purpose  :
 639 // =======================================================================
 640 void Graphic3d_MaterialAspect::SetEmissiveColor (const Quantity_Color& theColor)
 641 {
 642   myColors[Graphic3d_TOR_EMISSION] = theColor;
 643   if (myReflActivity[Graphic3d_TOR_EMISSION]
 644    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 645   {
 646     setUserMaterial();
 647   }
 648 }
 649
 650 // =======================================================================
 651 // function : SetDiffuse
 652 // purpose  :
 653 // =======================================================================
 654 void Graphic3d_MaterialAspect::SetDiffuse (const Standard_ShortReal theValue)
 655 {
 656   if (theValue < 0.0f
 657    || theValue > 1.0f)
 658   {
 659     Graphic3d_MaterialDefinitionError::Raise ("Bad value for SetDiffuse < 0. or > 1.0");
 660   }
 661
 662   myColorCoef[Graphic3d_TOR_DIFFUSE] = theValue;
 663   if (myReflActivity[Graphic3d_TOR_DIFFUSE]
 664    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 665   {
 666     setUserMaterial();
 667   }
 668 }
 669
 670 // =======================================================================
 671 // function : SetEmissive
 672 // purpose  :
 673 // =======================================================================
 674 void Graphic3d_MaterialAspect::SetEmissive (const Standard_ShortReal theValue)
 675 {
 676   if (theValue < 0.0f
 677    || theValue > 1.0f)
 678   {
 679     Graphic3d_MaterialDefinitionError::Raise ("Bad value for SetEmissive < 0. or > 1.0");
 680   }
 681
 682   myColorCoef[Graphic3d_TOR_EMISSION] = theValue;
 683   if (myReflActivity[Graphic3d_TOR_DIFFUSE]
 684    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 685   {
 686     setUserMaterial();
 687   }
 688 }
 689
 690 // =======================================================================
 691 // function : SetReflectionMode
 692 // purpose  :
 693 // =======================================================================
 694 void Graphic3d_MaterialAspect::SetReflectionMode (const Graphic3d_TypeOfReflection theType,
 695                                                   const Standard_Boolean theValue)
 696 {
 697   myReflActivity[theType] = theValue;
 698   if (myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 699   {
 700     setUserMaterial();
 701   }
 702 }
 703
 704 // =======================================================================
 705 // function : SetSpecular
 706 // purpose  :
 707 // =======================================================================
 708 void Graphic3d_MaterialAspect::SetSpecular (const Standard_ShortReal theValue)
 709 {
 710   if (theValue < 0.0f
 711    || theValue > 1.0f)
 712   {
 713     Graphic3d_MaterialDefinitionError::Raise ("Bad value for SetSpecular < 0. or > 1.0");
 714   }
 715
 716   myColorCoef[Graphic3d_TOR_SPECULAR] = theValue;
 717   if (myReflActivity[Graphic3d_TOR_SPECULAR]
 718    && myMaterialType == Graphic3d_MATERIAL_PHYSIC)
 719   {
 720     setUserMaterial();
 721   }
 722 }
 723
 724 // =======================================================================
 725 // function : SetTransparency
 726 // purpose  :
 727 // =======================================================================
 728 void Graphic3d_MaterialAspect::SetTransparency (const Standard_ShortReal theValue)
 729 {
 730   if (theValue < 0.0f
 731    || theValue > 1.0f)
 732   {
 733     Graphic3d_MaterialDefinitionError::Raise ("Bad value for SetTransparency < 0. or > 1.0");
 734   }
 735
 736   myTransparencyCoef = theValue;
 737 }
 738
 739 // =======================================================================
 740 // function : SetRefractionIndex
 741 // purpose  :
 742 // =======================================================================
 743 void Graphic3d_MaterialAspect::SetRefractionIndex (const Standard_ShortReal theValue)
 744 {
 745   if (theValue < 1.0f)
 746   {
 747     Graphic3d_MaterialDefinitionError::Raise ("Bad value for refraction index < 1.0");
 748   }
 749
 750   myRefractionIndex = theValue;
 751 }
 752
 753 // =======================================================================
 754 // function : SetShininess
 755 // purpose  :
 756 // =======================================================================
 757 void Graphic3d_MaterialAspect::SetShininess (const Standard_ShortReal theValue)
 758 {
 759   if (theValue < 0.0f
 760    || theValue > 1.0f)
 761   {
 762     Graphic3d_MaterialDefinitionError::Raise ("Bad value for Shininess < 0. or > 1.0");
 763   }
 764
 765   myShininess = theValue;
 766   setUserMaterial();
 767 }
 768
 769 // =======================================================================
 770 // function : MaterialName
 771 // purpose  :
 772 // =======================================================================
 773 Standard_CString Graphic3d_MaterialAspect::MaterialName (const Standard_Integer theRank)
 774 {
 775   if (theRank < 1 || theRank > NumberOfMaterials())
 776   {
 777     Standard_OutOfRange::Raise ("BAD index of material");
 778   }
 779   const RawMaterial& aMat = THE_MATERIALS[theRank - 1];
 780   return aMat.StringName;
 781 }
 782
 783 // =======================================================================
 784 // function : MaterialFromName
 785 // purpose  :
 786 // =======================================================================
 787 Graphic3d_NameOfMaterial Graphic3d_MaterialAspect::MaterialFromName (const Standard_CString theName)
 788 {
 789   TCollection_AsciiString aName (theName);
 790   aName.LowerCase();
 791   aName.Capitalize();
 792   const Standard_Integer aNbMaterials = Graphic3d_MaterialAspect::NumberOfMaterials();
 793   for (Standard_Integer aMatIter = 0; aMatIter < aNbMaterials; ++aMatIter)
 794   {
 795     const RawMaterial& aMat = THE_MATERIALS[aMatIter];
 796     if (aName == aMat.StringName)
 797     {
 798       return Graphic3d_NameOfMaterial(aMatIter);
 799     }
 800   }
 801
 802   // parse aliases
 803   if (aName == "Plastic")            // Plastified
 804   {
 805     return Graphic3d_NOM_PLASTIC;
 806   }
 807   else if (aName == "Shiny_plastic") // Shiny_plastified
 808   {
 809     return Graphic3d_NOM_SHINY_PLASTIC;
 810   }
 811   else if (aName == "Plaster")       // Plastered
 812   {
 813     return Graphic3d_NOM_PLASTER;
 814   }
 815   else if (aName == "Satin")         // Satined
 816   {
 817     return Graphic3d_NOM_SATIN;
 818   }
 819   else if (aName == "Neon_gnc")      // Ionized
 820   {
 821     return Graphic3d_NOM_NEON_GNC;
 822   }
 823   else if (aName == "Neon_phc") // Neon
 824   {
 825     return Graphic3d_NOM_NEON_PHC;
 826   }
 827   return Graphic3d_NOM_DEFAULT;
 828 }
 829
 830 // =======================================================================
 831 // function : MaterialType
 832 // purpose  :
 833 // =======================================================================
 834 Graphic3d_TypeOfMaterial Graphic3d_MaterialAspect::MaterialType (const Standard_Integer theRank)
 835 {
 836   if (theRank < 1 || theRank > NumberOfMaterials())
 837   {
 838     Standard_OutOfRange::Raise ("BAD index of material");
 839   }
 840   const RawMaterial& aMat = THE_MATERIALS[theRank - 1];
 841   return aMat.MaterialType;
 842 }