tri2d.h File Reference

#include "settings.h"

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Data Structures
struct	_tri2d
	Representation of a two-dimensional triangular mesh. More...
struct	_tri2dref
	Representation of the refinement relationship between two meshes. More...

Typedefs
typedef struct _tri2d	tri2d
	Two-dimensional triangulat mesh.
typedef tri2d *	ptri2d
	Pointer to tri2d object.
typedef const tri2d *	pctri2d
	Pointer to constant tri2d object.
typedef struct _tri2dref	tri2dref
typedef tri2dref *	ptri2dref
	Pointer to tri2dref object.
typedef const tri2dref *	pctri2dref
	Pointer to constant tri2dref object.
typedef struct _tri2dbuilder	tri2dbuilder
	Tool for constructing tri2d meshes.
typedef tri2dbuilder *	ptri2dbuilder

Functions
ptri2d	new_tri2d (uint vertices, uint edges, uint triangles)
	Create a partially initialized tri2d mesh. More...
void	del_tri2d (ptri2d t2)
	Delete a tri2d object. More...
ptri2d	new_unitsquare_tri2d ()
	Create a mesh containing two triangles representing the unit square, . More...
ptri2d	new_unitcircle_tri2d ()
	Create a mesh containing four triangles representing the unit square, . More...
ptri2d	new_lshape_tri2d ()
	Create a mesh containing six triangles representing a L-shaped domain with vertices . More...
ptri2d	new_ushape_tri2d ()
	Create a mesh containing twentyfour triangles representing a U-shaped domain. More...
void	write_tri2d (pctri2d t2, const char *name)
	Write a triangular mesh to a file. More...
ptri2d	read_tri2d (const char *name)
	Read a triangular mesh from a file. More...
void	getvertices_tri2d (pctri2d t2, uint tn, uint v[])
	Find the vertices of a triangle. More...
void	fixnormals_tri2d (ptri2d t2)
	Ensure that the vertices of boundary edges are in counter-clockwise order as seen from outside of the mesh. More...
void	check_tri2d (pctri2d t2)
	Perform various consistency checks. More...
ptri2d	refine_tri2d (pctri2d t2, ptri2dref *t2r)
	Regular refinement of a triangular mesh. More...
void	del_tri2dref (ptri2dref t2r)
	Delete a tri2dref object. More...
void	draw_cairo_tri2d (pctri2d t2, const char *filename, bool mark_refedges, int mark_triangle)
	Draw a tri2d mesh. More...
void	smooth_unitcircle_tri2d (ptri2d t2)
	Smooth a tri2d unitcircle. More...
ptri2dbuilder	new_tri2dbuilder (uint vertices)
	Create a new tri2dbuilder object. More...
void	del_tri2dbuilder (ptri2dbuilder tb)
	Delete a tri2dbuilder object. More...
real(*	getx_tri2dbuilder (ptri2dbuilder tb))[2]
	Obtain array of vertex coordinates in tri2dbuilder object. More...
void	addtriangle_tri2dbuilder (ptri2dbuilder tb, uint v0, uint v1, uint v2)
	Add a triangle to a tri2dbuilder object. More...
ptri2d	buildmesh_tri2dbuilder (ptri2dbuilder tb)
	Create a tri2d mesh from the geometrical and topological information stored in a tri2dbuilder object. More...

Detailed Description

Author

Dirk Boysen