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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| class Bezier3D : ParametricLine | ||
| { | ||
| %TypeHeaderCode | ||
| #include <Bezier3D.h> | ||
| %End | ||
|
|
||
| public: | ||
| /**Default constructor*/ | ||
| Bezier3D(); | ||
| /**Constructor, par is a pointer to the parent, controlpoly a controlpolygon*/ | ||
| // Bezier3D( ParametricLine* par, QVector<Point3D*>* controlpoly ); | ||
| /**Destructor*/ | ||
| virtual ~Bezier3D(); | ||
| /**Do not use this method, since a Bezier curve does not consist of other curves*/ | ||
| virtual void add( ParametricLine *pl ); | ||
| /**Calculates the first derivative and assigns it to v*/ | ||
| virtual void calcFirstDer( float t, Vector3D* v ); | ||
| /**Calculates the second derivative and assigns it to v*/ | ||
| virtual void calcSecDer( float t, Vector3D* v ); | ||
| //virtual Point3D calcPoint(float t); | ||
| /**Calculates the point on the curve and assigns it to p*/ | ||
| virtual void calcPoint( float t, Point3D* p ); | ||
| /**changes the order of control points*/ | ||
| virtual void changeDirection(); | ||
| //virtual void draw(QPainter* p); | ||
| //virtual bool intersects(ParametricLine* pal); | ||
| /**Do not use this method, since a Bezier curve does not consist of other curves*/ | ||
| virtual void remove( int i ); | ||
| /**Returns a control point*/ | ||
| virtual const Point3D* getControlPoint( int number ) const; | ||
| /**Returns a pointer to the control polygon*/ | ||
| // virtual const QVector<Point3D*>* getControlPoly() const; | ||
| /**Returns the degree of the curve*/ | ||
| virtual int getDegree() const; | ||
| /**Returns the parent*/ | ||
| virtual ParametricLine* getParent() const; | ||
| /** Sets the parent*/ | ||
| virtual void setParent( ParametricLine* par ); | ||
| /**Sets the control polygon*/ | ||
| // virtual void setControlPoly( QVector<Point3D*>* cp ); | ||
| }; |
24 changes: 24 additions & 0 deletions
24
python/analysis/interpolation/CloughTocherInterpolator.sip
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| class CloughTocherInterpolator : TriangleInterpolator | ||
| { | ||
| %TypeHeaderCode | ||
| #include <CloughTocherInterpolator.h> | ||
| %End | ||
| protected: | ||
| /**Finds out, in which triangle the point with the coordinates x and y is*/ | ||
| void init( double x, double y ); | ||
| /**Calculates the Bernsteinpolynomials to calculate the Beziertriangle. 'n' is three in the cubical case, 'i', 'j', 'k' are the indices of the controllpoint and 'u', 'v', 'w' are the barycentric coordinates of the point*/ | ||
| double calcBernsteinPoly( int n, int i, int j, int k, double u, double v, double w ); | ||
|
|
||
| public: | ||
| /**standard constructor*/ | ||
| CloughTocherInterpolator(); | ||
| /**constructor with a pointer to the triangulation as argument*/ | ||
| CloughTocherInterpolator( NormVecDecorator* tin ); | ||
| /**destructor*/ | ||
| virtual ~CloughTocherInterpolator(); | ||
| /**Calculates the normal vector and assigns it to vec (not implemented at the moment)*/ | ||
| virtual bool calcNormVec( double x, double y, Vector3D* result ); | ||
| /**Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point*/ | ||
| virtual bool calcPoint( double x, double y, Point3D* result ); | ||
| virtual void setTriangulation( NormVecDecorator* tin ); | ||
| }; |
104 changes: 104 additions & 0 deletions
104
python/analysis/interpolation/DualEdgeTriangulation.sip
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| class DualEdgeTriangulation: Triangulation | ||
| { | ||
| %TypeHeaderCode | ||
| #include <DualEdgeTriangulation.h> | ||
| %End | ||
| public: | ||
| DualEdgeTriangulation(); | ||
| DualEdgeTriangulation( int nop, Triangulation* decorator ); | ||
| virtual ~DualEdgeTriangulation(); | ||
| void setDecorator( Triangulation* d ); | ||
| /**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*/ | ||
| void addLine( Line3D* line, bool breakline ); | ||
| /**Adds a point to the triangulation and returns the number of this point in case of success or -100 in case of failure*/ | ||
| int addPoint( Point3D* p ); | ||
| /**Performs a consistency check, remove this later*/ | ||
| virtual void performConsistencyTest(); | ||
| /**Calculates the normal at a point on the surface*/ | ||
| virtual bool calcNormal( double x, double y, Vector3D* result ); | ||
| /**Calculates x-, y and z-value of the point on the surface*/ | ||
| virtual bool calcPoint( double x, double y, Point3D* result ); | ||
| /**draws the points, edges and the forced lines*/ | ||
| //virtual void draw(QPainter* p, double xlowleft, double ylowleft, double xupright, double yupright, double width, double height) const; | ||
| /**Returns a pointer to the point with number i*/ | ||
| virtual Point3D* getPoint( unsigned int i ) const; | ||
| /**Returns the number of the point opposite to the triangle points p1, p2 (which have to be on a halfedge)*/ | ||
| int getOppositePoint( int p1, int p2 ); | ||
| /**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, 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 addresses to the points at the vertices to 'p1', 'p2' and 'p3*/ | ||
| virtual bool getTriangle( double x, double y, Point3D* p1, Point3D* p2, Point3D* p3 ); | ||
| /**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*/ | ||
| QList<int>* getSurroundingTriangles( int pointno ); | ||
| /**Returns the largest x-coordinate value of the bounding box*/ | ||
| virtual double getXMax() const; | ||
| /**Returns the smallest x-coordinate value of the bounding box*/ | ||
| virtual double getXMin() const; | ||
| /**Returns the largest y-coordinate value of the bounding box*/ | ||
| virtual double getYMax() const; | ||
| /**Returns the smallest x-coordinate value of the bounding box*/ | ||
| virtual double getYMin() const; | ||
| /**Returns the number of points*/ | ||
| virtual int getNumberOfPoints() const; | ||
| /**Removes the line with number i from the triangulation*/ | ||
| void removeLine( int i ); | ||
| /**Removes the point with the number i from the triangulation*/ | ||
| void removePoint( int i ); | ||
| /**Sets the behaviour of the triangulation in case of crossing forced lines*/ | ||
| virtual void setForcedCrossBehaviour( Triangulation::forcedCrossBehaviour b ); | ||
| /**Sets the color of the normal edges*/ | ||
| virtual void setEdgeColor( int r, int g, int b ); | ||
| /**Sets the color of the forced edges*/ | ||
| virtual void setForcedEdgeColor( int r, int g, int b ); | ||
| /**Sets the color of the breaklines*/ | ||
| virtual void setBreakEdgeColor( int r, int g, int b ); | ||
| /**Sets an interpolator object*/ | ||
| void setTriangleInterpolator( TriangleInterpolator* interpolator ); | ||
| /**Eliminates the horizontal triangles by swapping or by insertion of new points*/ | ||
| void eliminateHorizontalTriangles(); | ||
| /**Adds points to make the triangles better shaped (algorithm of ruppert)*/ | ||
| virtual void ruppertRefinement(); | ||
| /**Returns true, if the point with coordinates x and y is inside the convex hull and false otherwise*/ | ||
| bool pointInside( double x, double y ); | ||
| /**Reads the dual edge structure of a taff file*/ | ||
| //bool readFromTAFF(QString fileName); | ||
| /**Saves the dual edge structure to a taff file*/ | ||
| //bool saveToTAFF(QString fileName) const; | ||
| /**Swaps the edge which is closest to the point with x and y coordinates (if this is possible)*/ | ||
| virtual bool swapEdge( double x, double y ); | ||
| /**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 returned ValueList has to be deleted by the code which calls the method*/ | ||
| virtual QList<int>* getPointsAroundEdge( double x, double y ); | ||
| /**Saves the triangulation as a (line) shapefile | ||
| @return true in case of success*/ | ||
| virtual bool saveAsShapefile( const QString& fileName ) const; | ||
|
|
||
| protected: | ||
| /**inserts an edge and makes sure, everything is ok with the storage of the edge. The number of the HalfEdge is returned*/ | ||
| unsigned int insertEdge( int dual, int next, int point, bool mbreak, bool forced ); | ||
| /**inserts a forced segment between the points with the numbers p1 and p2 into the triangulation and returns the number of a HalfEdge belonging to this forced edge or -100 in case of failure*/ | ||
| int insertForcedSegment( int p1, int p2, bool breakline ); | ||
| /**Returns the number of an edge which points to the point with number 'point' or -1 if there is an error*/ | ||
| int baseEdgeOfPoint( int point ); | ||
| /**returns the number of a HalfEdge from a triangle in which 'point' is in. If the number -10 is returned, this means, that 'point' is outside the convex hull. If -5 is returned, then numerical problems with the leftOfTest occured (and the value of the possible edge is stored in the variable 'mUnstableEdge'. -20 means, that the inserted point is exactly on an edge (the number is stored in the variable 'mEdgeWithPoint'). -25 means, that the point is already in the triangulation (the number of the point is stored in the member 'mTwiceInsPoint'. If -100 is returned, this means that something else went wrong*/ | ||
| int baseEdgeOfTriangle( Point3D* point ); | ||
| /**Checks, if 'edge' has to be swapped because of the empty circle criterion. If so, doSwap(...) is called.*/ | ||
| bool checkSwap( unsigned int edge ); | ||
| /**Swaps 'edge' and test recursively for other swaps (delaunay criterion)*/ | ||
| void doSwap( unsigned int edge ); | ||
| /**Swaps 'edge' and does no recursiv testing*/ | ||
| void doOnlySwap( unsigned int edge ); | ||
| /**Returns true, if it is possible to swap an edge, otherwise false(concave quad or edge on (or outside) the convex hull)*/ | ||
| bool swapPossible( unsigned int edge ); | ||
| /**divides a polygon in a triangle and two polygons and calls itself recursively for these two polygons. 'poly' is a pointer to a list with the numbers of the edges of the polygon, 'free' is a pointer to a list of free halfedges, and 'mainedge' is the number of the edge, towards which the new triangle is inserted. Mainedge has to be the same as poly->begin(), otherwise the recursion does not work*/ | ||
| void triangulatePolygon( QList<int>* poly, QList<int>* free, int mainedge ); | ||
| /**Tests, if the bounding box of the halfedge with index i intersects the specified bounding box. The main purpose for this method is the drawing of the triangulation*/ | ||
| bool halfEdgeBBoxTest( int edge, double xlowleft, double ylowleft, double xupright, double yupright ) const; | ||
| /**Calculates the minimum angle, which would be present, if the specified halfedge would be swapped*/ | ||
| double swapMinAngle( int edge ) const; | ||
| /**Inserts a new point on the halfedge with number 'edge'. The position can have a value from 0 to 1 (e.g. 0.5 would be in the middle). The return value is the number of the new inserted point. tin is the triangulation, which should be used to calculate the elevation of the inserted point*/ | ||
| int splitHalfEdge( int edge, float position ); | ||
| /**Returns true, if a half edge is on the convex hull and false otherwise*/ | ||
| bool edgeOnConvexHull( int edge ); | ||
| /**Function needed for the ruppert algorithm. Tests, if point is in the circle through both endpoints of edge and the endpoint of edge->dual->next->point. If so, the function calls itself recursively for edge->next and edge->next->next. Stops, if it finds a forced edge or a convex hull edge*/ | ||
| void evaluateInfluenceRegion( Point3D* point, int edge, QSet<int> &set ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| class HalfEdge | ||
| { | ||
| %TypeHeaderCode | ||
| #include <HalfEdge.h> | ||
| %End | ||
|
|
||
| public: | ||
| /**Default constructor. Values for mDual, mNext, mPoint are set to -10 which means that they are undefined*/ | ||
| HalfEdge(); | ||
| HalfEdge( int dual, int next, int point, bool mbreak, bool forced ); | ||
| ~HalfEdge(); | ||
| /**Returns the number of the dual HalfEdge*/ | ||
| int getDual() const; | ||
| /**Returns the number of the next HalfEdge*/ | ||
| int getNext() const; | ||
| /**Returns the number of the point at which this HalfEdge points*/ | ||
| int getPoint() const; | ||
| /**Returns, whether the HalfEdge belongs to a break line or not*/ | ||
| bool getBreak() const; | ||
| /**Returns, whether the HalfEdge belongs to a constrained edge or not*/ | ||
| bool getForced() const; | ||
| /**Sets the number of the dual HalfEdge*/ | ||
| void setDual( int d ); | ||
| /**Sets the number of the next HalfEdge*/ | ||
| void setNext( int n ); | ||
| /**Sets the number of point at which this HalfEdge points*/ | ||
| void setPoint( int p ); | ||
| /**Sets the break flag*/ | ||
| void setBreak( bool b ); | ||
| /**Sets the forced flag*/ | ||
| void setForced( bool f ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| class LinTriangleInterpolator : TriangleInterpolator | ||
| { | ||
| %TypeHeaderCode | ||
| #include <LinTriangleInterpolator.h> | ||
| %End | ||
| public: | ||
| /**Default constructor*/ | ||
| LinTriangleInterpolator(); | ||
| /**Constructor with reference to a DualEdgeTriangulation object*/ | ||
| LinTriangleInterpolator( DualEdgeTriangulation* tin ); | ||
| /** Destructor*/ | ||
| virtual ~LinTriangleInterpolator(); | ||
| /**Calculates the normal vector and assigns it to vec*/ | ||
| virtual bool calcNormVec( double x, double y, Vector3D* result ); | ||
| /**Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point*/ | ||
| virtual bool calcPoint( double x, double y, Point3D* result ); | ||
| /**Returns a pointer to the current Triangulation object*/ | ||
| virtual DualEdgeTriangulation* getTriangulation() const; | ||
| /**Sets a Triangulation*/ | ||
| virtual void setTriangulation( DualEdgeTriangulation* tin ); | ||
|
|
||
|
|
||
| protected: | ||
| /**Calculates the first derivative with respect to x for a linear surface and assigns it to vec*/ | ||
| virtual bool calcFirstDerX( double x, double y, Vector3D* result ); | ||
| /**Calculates the first derivative with respect to y for a linear surface and assigns it to vec*/ | ||
| virtual bool calcFirstDerY( double x, double y, Vector3D* result ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| class Line3D /NoDefaultCtors/ | ||
| { | ||
| %TypeHeaderCode | ||
| #include <Line3D.h> | ||
| %End | ||
| public: | ||
| Line3D(); | ||
| ~Line3D(); | ||
| /**returns true, if the Line contains no Point3D, otherwise false*/ | ||
| bool empty() const; | ||
| /**inserts a node behind the current position and sets the current position to this new node*/ | ||
| void insertPoint( Point3D* p ); | ||
| /**removes the point behind the current position*/ | ||
| void removePoint(); | ||
| /**gets the point at the current position*/ | ||
| Point3D* getPoint() const; | ||
| /**returns the current position*/ | ||
| unsigned int getCurrent() const; | ||
| /**returns the size of the line (the numbero of inserted Nodes without 'head' and 'z'*/ | ||
| unsigned int getSize() const; | ||
| /**sets the current Node to head*/ | ||
| void goToBegin(); | ||
| /**goes to the next Node*/ | ||
| void goToNext(); | ||
| }; |
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