/usr/include/gmsh/GVertex.h is in libgmsh-dev 2.10.1+dfsg1-1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | // Gmsh - Copyright (C) 1997-2015 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to the public mailing list <gmsh@geuz.org>.
#ifndef _GVERTEX_H_
#define _GVERTEX_H_
#include <list>
#include <string>
#include <vector>
#include <stdio.h>
#include "GEntity.h"
#include "GPoint.h"
#include "SPoint2.h"
#include "SPoint3.h"
#define MAX_LC 1.e22
class MElement;
class MPoint;
// A model vertex.
class GVertex : public GEntity
{
protected:
std::list<GEdge*> l_edges;
double meshSize;
public:
GVertex(GModel *m, int tag, double ms=MAX_LC);
virtual ~GVertex();
// delete mesh data
virtual void deleteMesh();
// reset the mesh attributes to default values
virtual void resetMeshAttributes();
// get/set the coordinates of the vertex
virtual GPoint point() const = 0;
virtual double x() const = 0;
virtual double y() const = 0;
virtual double z() const = 0;
virtual SPoint3 xyz() const { return SPoint3(x(), y(), z()); }
virtual void setPosition(GPoint &p);
// add/delete an edge bounded by this vertex
void addEdge(GEdge *e);
void delEdge(GEdge *e);
// regions that bound this entity or that this entity bounds.
virtual std::list<GRegion*> regions() const;
// get the edges that this vertex bounds
virtual std::list<GEdge*> edges() const{ return l_edges; }
// faces that bound this entity or that this entity bounds.
virtual std::list<GFace*> faces() const;
// get the dimension of the vertex (0)
virtual int dim() const { return 0; }
// get the geometric type of the vertex
virtual GeomType geomType() const { return Point; }
// get/set the prescribed mesh size at the vertex
virtual inline double prescribedMeshSizeAtVertex() const { return meshSize; }
virtual void setPrescribedMeshSizeAtVertex(double l) { meshSize = l; }
// get the bounding box
virtual SBoundingBox3d bounds() const { return SBoundingBox3d(SPoint3(x(), y(), z())); }
// reparmaterize the point onto the given face
virtual SPoint2 reparamOnFace(const GFace *gf, int) const;
// return a type-specific additional information string
virtual std::string getAdditionalInfoString();
// export in GEO format
virtual void writeGEO(FILE *fp, const std::string &meshSizeParameter="");
// get number of elements in the mesh
unsigned int getNumMeshElements();
// get the element at the given index
MElement *getMeshElement(unsigned int index);
// return true if this vertex is on a seam of the given face
bool isOnSeam(const GFace *gf) const;
// relocate mesh vertex using GVertex coordinates
void relocateMeshVertices();
std::vector<MPoint*> points;
void addPoint(MPoint *p){ points.push_back(p); }
};
#endif
|