Scenes File Format - GRF (Granada File)

scene:: =

list_blocks.

list_blocks:: =

block |

block list_blocks |

nothing.

block:: =

block_descripcion |

block_mesh |

block_mesh_light |

block_light_source |

block_include |

block_transformation |

block_definition |

nothing.

block_descripcion: =

params begin list_params end

list_params: =

dependent observant

observer: =

view vector3D.

block_mesh:: =

begin mesh

     use listVertexs listFaces

end mesh.

block_mesh_light:: =

mesh light basic_block_mesh  

basic_block_mesh:: =

begin listVertexs listFaces end

block_light_source:: =

light begin color_definition region [] end

region:: =

vector3D edge edge

edge:: =

vector3D

block_include:: =

include fileName

block_transformation

transform transformation begin list_blocks end

transformation:: =

basic_transformation transformation |

basic_transformation

basic_transformation:: =

scale vector3D |

rotation vector3D |

translation vector3D.

block_definition: =

definitions begin list_blocks end

definitions:: =

basic_definition |

definitions basic_definition |

nothing.

basic_definition:: =

def identifier = body_definition

body_definition:: =

texture_definition |

brdf_definition.

pdf_definition |

texture_definition:: =

texture fileName.

brdf_definition:: =

brdf fileName |  

brdf brdf_instance.

brdf_instance:: =

PerfectDiffuse_BRDF | PerfectSpecular_BRDF | Phong_BRDF |

Blinn_BRDF | Torrance-Sparrow_BRDF |

Cilindrico-PF_BRDF | HTSG_BRDF |

Ward_BRDF | Lewis_BRDF | Schlick_BRDF |

Oren-Nayar_BRDF | Strauss_BRDF | Lafortune_BRDF |

Shirley_BRDF | Minnaert_BRDF |

BeardMaxwell_BRDF | combinacion_BRDFs.

PerfectDiffuse_BRDF:: =

diffuse kd=value.

PerfectSpecular_BRDF:: =

specular ks=value.

Phong_BRDF:: =

phong n=value ks=value kd=value.

Blinn_BRDF:: =

blinn n=value ks=value kd=value.

Torrance-Sparrow_BRDF:: =

torrance rough=value nreal=value nimag=value ks=value kd=value.

Cilindrico-PF_BRDF:: =

poulin d=value n=value ks=value kd=value.

HTSG_BRDF:: =

he sigma=value tau=value lambda=value.

Ward_BRDF:: =

ward sx=value sy=value ks=value kd=value.

Lewis_BRDF:: =

Lewis n=value ks=value kd=value.

Schlick_BRDF:: =

schlick SC=value Sr=value Sp=value Ly=boolean_value [DC=value Dr=value Dp=value].

Oren-Nayar_BRDF:: =

oren s=value r=value .

Strauss_BRDF:: =

strauss s=value m=value ks =value kd =value .

Lafortune_BRDF:: =

lafortune Cx=value Cy=value Cz=value n=value kp=value .

Shirley_BRDFs:: =

coupled Rm=value

Minnaert_BRDFs:: =

minnaert k=value kd=value

BeardMaxwell_BRDFs:: =

beardmaxwell Omega=value tau=value nreal=value nimag=value RS=value Rd=value Rv=value

combination_BRDFs:: =

combine base_Brdf, base_Brdf*

base_BRDF:: =

value identifier |

nothing.

pdf_definition::=

pdf pdf_instance .

pdf_instance ::=

Uniform_PDF | Sphere_PDF | Hemisphere_PDF |

Adaptive_PDF | Anisotropic_PDF |

Rejection_PDF | Factored_PDF .

Uniform_PDF ::=

diffuse

Sphere_PDF ::=

sphere  exp =valor

Hemisphere_PDF ::=

hemisphere  exp =valor

Adaptive_PDF ::=

adaptive  nQT =valor aniso =valor_logico

Anisotropic_PDF ::=

anisotropic  nu =valor nv =valor

Rejection_PDF ::=

reject 

Factored_PDF ::=

factored  uTh =valor uPh =valor pTh =valor pPh =valor J =valor K =valor half =valor_logico