t8_geometry_occ.hxx

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/*
  This file is part of t8code.
  t8code is a C library to manage a collection (a forest) of multiple
  connected adaptive space-trees of general element classes in parallel.
 
  Copyright (C) 2015 the developers
 
  t8code 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 2 of the License, or
  (at your option) any later version.
 
  t8code 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 t8code; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
#ifndef T8_GEOMETRY_OCC_HXX
#define T8_GEOMETRY_OCC_HXX
 
#include <t8.h>
#include <t8_geometry/t8_geometry_base.hxx>
#include <t8_cmesh/t8_cmesh_types.h>
 
#if T8_WITH_OCC
 
#include <TopoDS_Shape.hxx>
#include <TopExp.hxx>
#include <gp_Pnt.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
 
#endif /* T8_WITH_OCC */
 
extern const int    t8_edge_vertex_to_tree_vertex[T8_ECLASS_MAX_EDGES][2];
 
extern const int    t8_edge_to_face[T8_ECLASS_MAX_EDGES][2];
 
extern const int
     t8_face_edge_to_tree_edge[T8_ECLASS_MAX_FACES][T8_ECLASS_MAX_EDGES_2D];
 
#if T8_WITH_OCC
 
typedef void        (*t8_geom_occ_fn) (t8_cmesh_t cmesh,
                                       t8_gloidx_t gtreeid,
                                       const double *ref_coords,
                                       double out_coords[3],
                                       const void *tree_data);
 
/* *INDENT-OFF* */
struct t8_geometry_occ:public t8_geometry_w_vertices
{
public:
 
  t8_geometry_occ (int dimension, const char *fileprefix, const char *name);
 
  t8_geometry_occ (int dimension, const TopoDS_Shape occ_shape, 
                   const char *name);
 
  virtual ~t8_geometry_occ ()
  {
    /* Nothing to do. */
  }
 
  virtual void
  t8_geom_evaluate (t8_cmesh_t cmesh,
                    t8_gloidx_t gtreeid,
                    const double *ref_coords,
                    double out_coords[3]) const;
 
  virtual void
  t8_geom_evalute_jacobian (t8_cmesh_t cmesh,
                            t8_gloidx_t gtreeid,
                            const double *ref_coords,
                            double *jacobian) const;
 
 
  virtual void 
  t8_geom_load_tree_data (t8_cmesh_t cmesh,
                          t8_gloidx_t gtreeid);
  
  const gp_Pnt
  t8_geom_get_occ_point (const int index) const;
  
  const Handle_Geom_Curve
  t8_geom_get_occ_curve (const int index) const;
 
  const Handle_Geom_Surface
  t8_geom_get_occ_surface (const int index) const;
 
  const TopTools_IndexedMapOfShape
  t8_geom_get_occ_shape_vertex_map() const;
 
  const TopTools_IndexedMapOfShape
  t8_geom_get_occ_shape_edge_map() const;
 
  const TopTools_IndexedMapOfShape
  t8_geom_get_occ_shape_face_map() const;
 
  int
  t8_geom_get_common_edge (const int vertex1_index, 
                           const int vertex2_index) const;
 
  int
  t8_geom_get_common_face (const int edge1_index, 
                           const int edge2_index) const;
 
  int
  t8_geom_is_vertex_on_edge (const int vertex_index, 
                             const int edge_index) const;
 
  int
  t8_geom_is_edge_on_face (const int edge_index, 
                           const int face_index) const;
 
  int
  t8_geom_is_vertex_on_face (const int vertex_index, 
                             const int face_index) const;
 
  void
  t8_geom_get_parameter_of_vertex_on_edge(const int vertex_index, 
                                          const int edge_index, 
                                          double* edge_param) const;
 
  void 
  t8_geom_get_parameters_of_vertex_on_face(const int vertex_index, 
                                           const int face_index, 
                                           double* face_params) const;
 
  void
  t8_geom_edge_parameter_to_face_parameters(const int edge_index, 
                                            const int face_index, 
                                            const double edge_param, 
                                            double* face_params) const;
 
private:
  void
  t8_geom_evaluate_occ_quad (t8_cmesh_t cmesh,
                             t8_gloidx_t gtreeid,
                             const double *ref_coords,
                             double out_coords[3]) const;
 
  void
  t8_geom_evaluate_occ_hex (t8_cmesh_t cmesh,
                            t8_gloidx_t gtreeid,
                            const double *ref_coords,
                            double out_coords[3]) const;
 
  const int                                  *edges;                      
  const int                                  *faces;                      
  TopoDS_Shape                                occ_shape;                  
  TopTools_IndexedMapOfShape                  occ_shape_vertex_map;       
  TopTools_IndexedMapOfShape                  occ_shape_edge_map;         
  TopTools_IndexedMapOfShape                  occ_shape_face_map;         
  TopTools_IndexedDataMapOfShapeListOfShape   occ_shape_vertex2edge_map;  
  TopTools_IndexedDataMapOfShapeListOfShape   occ_shape_edge2face_map;    
};
/* *INDENT-ON* */
 
#endif /* T8_WITH_OCC */
 
#endif /* !T8_GEOMETRY_OCC_HXX! */