ElevationGrid.h

Go to the documentation of this file.

//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API 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.
//
//    H3D API 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 H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __ELEVATIONGRID_H__
#define __ELEVATIONGRID_H__
 
#include <H3D/X3DGeometryNode.h>
#include <H3D/X3DCoordinateNode.h>
#include <H3D/TextureCoordinateGenerator.h>
#include <H3D/X3DColorNode.h>
#include <H3D/X3DNormalNode.h>
#include <H3D/X3DVertexAttributeNode.h>
#include <H3D/DependentNodeFields.h>
#include <H3D/SFInt32.h>
#include <H3D/SFFloat.h>
#include <H3D/FogCoordinate.h>
 
namespace H3D {
 
  class H3DAPI_API ElevationGrid : public X3DGeometryNode {
  public:
    typedef  DependentSFNode< X3DColorNode,
                              FieldRef< X3DGeometricPropertyNode,
                                        Field,
                                        &X3DColorNode::propertyChanged > >  
    SFColorNode;
    
    typedef DependentSFNode< X3DNormalNode,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DNormalNode::propertyChanged > > 
    SFNormalNode;
 
    typedef DependentSFNode< 
                X3DTextureCoordinateNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DTextureCoordinateNode::propertyChanged > > 
    SFTextureCoordinateNode;   
 
    typedef DependentMFNode< 
                X3DVertexAttributeNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DVertexAttributeNode::propertyChanged > > 
    MFVertexAttributeNode;
    
    typedef DependentSFNode< 
                FogCoordinate,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &FogCoordinate::propertyChanged > > 
    SFFogCoordinate;
 
    class H3DAPI_API AutoNormal: 
      public TypedField< SFNormalNode,
                         Types< SFBool, 
                                SFInt32, 
                                SFInt32, 
                                SFFloat,
                                SFFloat,
                                MFFloat,
                                SFBool,
                                SFFloat > > {
      virtual void update();
 
      virtual X3DNormalNode *generateNormalsPerVertex( 
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw,
                               H3DFloat crease_angle );
    
       virtual X3DNormalNode *generateNormalsPerVertex( 
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw );
 
      virtual X3DNormalNode *generateNormalsPerFace(  
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw );
 
    };
 
    class H3DAPI_API SFBound: public TypedField< X3DGeometryNode::SFBound,
                                      Types< SFInt32, SFInt32, 
                                             SFFloat, SFFloat, MFFloat > >{
      virtual void update();
    };
 
    class H3DAPI_API DisplayList: public X3DGeometryNode::DisplayList {
    protected:
      virtual void callList( bool build_list );
    };
 
    virtual void startTexGen( TextureCoordinateGenerator *tex_coord_gen );
 
    virtual void stopTexGen( TextureCoordinateGenerator *tex_coord_gen );
 
    virtual void render();
    
    virtual int nrTriangles() {
      H3DInt32 x_dim = xDimension->getValue();
      H3DInt32 z_dim = zDimension->getValue();
      if( x_dim < 2 || z_dim < 2 ) return 0;
      else return (x_dim - 1) * (z_dim - 1 ) * 2;
    }
 
    // Traverse the scenegraph. See X3DGeometryNode::traverseSG
    // for more info.
    virtual void traverseSG( TraverseInfo &ti );  
 
    ElevationGrid( Inst< SFNode           > _metadata        = 0,
                   Inst< SFBound          > _bound           = 0,
                   Inst< DisplayList      > _displayList     = 0,
                   Inst< SFColorNode      > _color           = 0,
                   Inst< SFNormalNode     > _normal          = 0,
                   Inst< SFTextureCoordinateNode > _texCoord = 0,
                   Inst< SFBool           > _ccw             = 0,
                   Inst< SFBool           > _colorPerVertex  = 0,
                   Inst< SFBool           > _normalPerVertex = 0,
                   Inst< SFBool           > _solid           = 0,
                   Inst< MFVertexAttributeNode > _attrib     = 0,
                   Inst< AutoNormal       > _autoNormal      = 0,
                   Inst< SFFloat          > _creaseAngle     = 0,
                   Inst< SFInt32          > _xDimension      = 0,
                   Inst< SFInt32          > _zDimension      = 0,
                   Inst< SFFloat          > _xSpacing        = 0,
                   Inst< SFFloat          > _zSpacing        = 0,
                   Inst< MFFloat          > _height          = 0,
                   Inst< SFFogCoordinate  > _fogCoord        = 0 );
 
    ~ElevationGrid();
 
    H3DUniquePtr< SFColorNode >  color;
 
    H3DUniquePtr< SFNormalNode >  normal;
    
    H3DUniquePtr< SFTextureCoordinateNode >  texCoord;
    
    H3DUniquePtr< SFBool >  ccw;
    
    H3DUniquePtr< SFBool >  colorPerVertex;
 
    H3DUniquePtr< SFBool >  normalPerVertex;
 
    H3DUniquePtr< SFBool >  solid;
    
    H3DUniquePtr< MFVertexAttributeNode > attrib;
 
    H3DUniquePtr< SFFloat > creaseAngle;
 
    H3DUniquePtr< SFInt32 > xDimension;
 
    H3DUniquePtr< SFInt32 > zDimension;
  
    H3DUniquePtr< SFFloat > xSpacing;
 
    H3DUniquePtr< SFFloat > zSpacing;
 
    H3DUniquePtr< MFFloat > height;
 
    H3DUniquePtr< AutoNormal  >  autoNormal;
 
    H3DUniquePtr< SFFogCoordinate > fogCoord;
 
 
    static H3DNodeDatabase database;
  protected:
    H3DUniquePtr< Field > vboFieldsUpToDate;
    // The index for the vertex buffer object
    GLuint *vbo_id;
  };
}
 
#endif