TriDecorator Class Reference

Decorator class for Triangulations (s. More...

#include <TriDecorator.h>

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List of all members.

Public Member Functions

 TriDecorator ()
 TriDecorator (Triangulation *t)
virtual ~TriDecorator ()
virtual void addLine (Line3D *line, bool breakline)
 Adds a line (e.g.
virtual int addPoint (Point3D *p)
 Adds a point to the triangulation.
virtual void addTriangulation (Triangulation *t)
 Adds an association to a triangulation.
virtual void performConsistencyTest ()
 Performs a consistency check, remove this later.
virtual bool calcNormal (double x, double y, Vector3D *result)
 Calculates the normal at a point on the surface and assigns it to 'result'.
virtual bool calcPoint (double x, double y, Point3D *result)
 Calculates x-, y and z-value of the point on the surface and assigns it to 'result'.
virtual Point3DgetPoint (unsigned int i) const
 Returns a pointer to the point with number i.
virtual int getNumberOfPoints () const
 Returns the number of points.
virtual bool getTriangle (double x, double y, Point3D *p1, int *n1, Point3D *p2, int *n2, Point3D *p3, int *n3)
 Finds out, in which triangle the point with coordinates x and y is and assigns the numbers of the vertices to 'n1', 'n2' and 'n3' and the vertices to 'p1', 'p2' and 'p3'.
virtual bool getTriangle (double x, double y, Point3D *p1, Point3D *p2, Point3D *p3)
 Finds out, in which triangle the point with coordinates x and y is and assigns the points at the vertices to 'p1', 'p2' and 'p3.
virtual int getOppositePoint (int p1, int p2)
 Returns the number of the point opposite to the triangle points p1, p2 (which have to be on a halfedge).
virtual QList< int > * getSurroundingTriangles (int pointno)
 Returns a pointer to a value list with the information of the triangles surrounding (counterclockwise) a point.
virtual double getXMax () const
 Returns the largest x-coordinate value of the bounding box.
virtual double getXMin () const
 Returns the smallest x-coordinate value of the bounding box.
virtual double getYMax () const
 Returns the largest y-coordinate value of the bounding box.
virtual double getYMin () const
 Returns the smallest x-coordinate value of the bounding box.
virtual void setForcedCrossBehaviour (Triangulation::forcedCrossBehaviour b)
 draws the points, edges and the forced lines
virtual void setEdgeColor (int r, int g, int b)
 Sets the color of the normal edges.
virtual void setForcedEdgeColor (int r, int g, int b)
 Sets the color of the forced edges.
virtual void setBreakEdgeColor (int r, int g, int b)
 Sets the color of the breaklines.
virtual void setTriangleInterpolator (TriangleInterpolator *interpolator)
 Sets an interpolator object.
virtual void eliminateHorizontalTriangles ()
 Eliminates the horizontal triangles by swapping.
virtual void ruppertRefinement ()
 Adds points to make the triangles better shaped (algorithm of ruppert).
virtual bool pointInside (double x, double y)
 Returns true, if the point with coordinates x and y is inside the convex hull and false otherwise.
virtual bool swapEdge (double x, double y)
 Reads the content of a taff-file.
virtual QList< int > * getPointsAroundEdge (double x, double y)
 Returns a value list with the numbers of the four points, which would be affected by an edge swap.

Protected Attributes

TriangulationmTIN
 Association with a Triangulation object.


Detailed Description

Decorator class for Triangulations (s.

Decorator pattern in Gamma et al.)

Definition at line 23 of file TriDecorator.h.


Constructor & Destructor Documentation

TriDecorator::TriDecorator (  )  [inline]

Definition at line 62 of file TriDecorator.h.

TriDecorator::TriDecorator ( Triangulation t  )  [inline]

Definition at line 67 of file TriDecorator.h.

TriDecorator::~TriDecorator (  )  [inline, virtual]

Definition at line 72 of file TriDecorator.h.


Member Function Documentation

virtual void TriDecorator::addLine ( Line3D line,
bool  breakline 
) [virtual]

Adds a line (e.g.

a break-, structure- or an isoline) to the triangulation. The class takes ownership of the line object and its points

Implements Triangulation.

virtual int TriDecorator::addPoint ( Point3D p  )  [virtual]

Adds a point to the triangulation.

Implements Triangulation.

Reimplemented in NormVecDecorator.

void TriDecorator::addTriangulation ( Triangulation t  )  [inline, virtual]

Adds an association to a triangulation.

Definition at line 77 of file TriDecorator.h.

References mTIN.

Referenced by QgsTINInterpolator::initialize().

virtual void TriDecorator::performConsistencyTest (  )  [virtual]

Performs a consistency check, remove this later.

Implements Triangulation.

virtual bool TriDecorator::calcNormal ( double  x,
double  y,
Vector3D result 
) [virtual]

Calculates the normal at a point on the surface and assigns it to 'result'.

Returns true in case of success and flase in case of failure

Implements Triangulation.

Reimplemented in NormVecDecorator.

virtual bool TriDecorator::calcPoint ( double  x,
double  y,
Point3D result 
) [virtual]

Calculates x-, y and z-value of the point on the surface and assigns it to 'result'.

Returns true in case of success and flase in case of failure

Implements Triangulation.

Reimplemented in NormVecDecorator.

virtual Point3D* TriDecorator::getPoint ( unsigned int  i  )  const [virtual]

Returns a pointer to the point with number i.

Any virtual points must have the number -1

Implements Triangulation.

virtual int TriDecorator::getNumberOfPoints (  )  const [virtual]

Returns the number of points.

Implements Triangulation.

virtual bool TriDecorator::getTriangle ( double  x,
double  y,
Point3D p1,
int *  n1,
Point3D p2,
int *  n2,
Point3D p3,
int *  n3 
) [virtual]

Finds out, in which triangle the point with coordinates x and y is and assigns the numbers of the vertices to 'n1', 'n2' and 'n3' and the vertices to 'p1', 'p2' and 'p3'.

Implements Triangulation.

virtual bool TriDecorator::getTriangle ( double  x,
double  y,
Point3D p1,
Point3D p2,
Point3D p3 
) [virtual]

Finds out, in which triangle the point with coordinates x and y is and assigns the points at the vertices to 'p1', 'p2' and 'p3.

Implements Triangulation.

virtual int TriDecorator::getOppositePoint ( int  p1,
int  p2 
) [virtual]

Returns the number of the point opposite to the triangle points p1, p2 (which have to be on a halfedge).

Implements Triangulation.

virtual QList<int>* TriDecorator::getSurroundingTriangles ( int  pointno  )  [virtual]

Returns a pointer to a value list with the information of the triangles surrounding (counterclockwise) a point.

Four integer values describe a triangle, the first three are the number of the half edges of the triangle and the fourth is -10, if the third (and most counterclockwise) edge is a breakline, and -20 otherwise. The value list has to be deleted by the code which called the method. Any virtual point needs to have the number -1

Implements Triangulation.

virtual double TriDecorator::getXMax (  )  const [virtual]

Returns the largest x-coordinate value of the bounding box.

Implements Triangulation.

virtual double TriDecorator::getXMin (  )  const [virtual]

Returns the smallest x-coordinate value of the bounding box.

Implements Triangulation.

virtual double TriDecorator::getYMax (  )  const [virtual]

Returns the largest y-coordinate value of the bounding box.

Implements Triangulation.

virtual double TriDecorator::getYMin (  )  const [virtual]

Returns the smallest x-coordinate value of the bounding box.

Implements Triangulation.

virtual void TriDecorator::setForcedCrossBehaviour ( Triangulation::forcedCrossBehaviour  b  )  [virtual]

draws the points, edges and the forced lines

Sets the behaviour of the triangulation in case of crossing forced lines

Implements Triangulation.

virtual void TriDecorator::setEdgeColor ( int  r,
int  g,
int  b 
) [virtual]

Sets the color of the normal edges.

Implements Triangulation.

virtual void TriDecorator::setForcedEdgeColor ( int  r,
int  g,
int  b 
) [virtual]

Sets the color of the forced edges.

Implements Triangulation.

virtual void TriDecorator::setBreakEdgeColor ( int  r,
int  g,
int  b 
) [virtual]

Sets the color of the breaklines.

Implements Triangulation.

virtual void TriDecorator::setTriangleInterpolator ( TriangleInterpolator interpolator  )  [virtual]

Sets an interpolator object.

Implements Triangulation.

Reimplemented in NormVecDecorator.

virtual void TriDecorator::eliminateHorizontalTriangles (  )  [virtual]

Eliminates the horizontal triangles by swapping.

Implements Triangulation.

Reimplemented in NormVecDecorator.

virtual void TriDecorator::ruppertRefinement (  )  [virtual]

Adds points to make the triangles better shaped (algorithm of ruppert).

Implements Triangulation.

virtual bool TriDecorator::pointInside ( double  x,
double  y 
) [virtual]

Returns true, if the point with coordinates x and y is inside the convex hull and false otherwise.

Implements Triangulation.

virtual bool TriDecorator::swapEdge ( double  x,
double  y 
) [virtual]

Reads the content of a taff-file.

Saves the content to a taff fileSwaps the edge which is closest to the point with x and y coordinates (if this is possible)

Implements Triangulation.

Reimplemented in NormVecDecorator.

virtual QList<int>* TriDecorator::getPointsAroundEdge ( double  x,
double  y 
) [virtual]

Returns a value list with the numbers of the four points, which would be affected by an edge swap.

This function is e.g. needed by NormVecDecorator to know the points, for which the normals have to be recalculated. The list has to be deleted by the code which calls this method

Implements Triangulation.


Member Data Documentation

Association with a Triangulation object.

Definition at line 59 of file TriDecorator.h.

Referenced by addTriangulation().


The documentation for this class was generated from the following file:

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