QGIS API Documentation 3.36.0-Maidenhead (09951dc0acf)
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LinTriangleInterpolator is a class which interpolates linearly on a triangulation. More...
#include <LinTriangleInterpolator.h>
Public Member Functions | |
LinTriangleInterpolator ()=default | |
Default constructor. | |
LinTriangleInterpolator (QgsDualEdgeTriangulation *tin) | |
Constructor with reference to a DualEdgeTriangulation object. | |
bool | calcNormVec (double x, double y, QgsPoint &result) override |
Calculates the normal vector and assigns it to vec. | |
bool | calcPoint (double x, double y, QgsPoint &result) override |
Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point. | |
virtual QgsDualEdgeTriangulation * | getTriangulation () const |
Returns a pointer to the current Triangulation object. | |
virtual void | setTriangulation (QgsDualEdgeTriangulation *tin) |
Sets a Triangulation. | |
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virtual | ~TriangleInterpolator ()=default |
Protected Member Functions | |
virtual bool | calcFirstDerX (double x, double y, Vector3D *result) |
Calculates the first derivative with respect to x for a linear surface and assigns it to vec. | |
virtual bool | calcFirstDerY (double x, double y, Vector3D *result) |
Calculates the first derivative with respect to y for a linear surface and assigns it to vec. | |
Protected Attributes | |
QgsDualEdgeTriangulation * | mTIN = nullptr |
LinTriangleInterpolator is a class which interpolates linearly on a triangulation.
Definition at line 31 of file LinTriangleInterpolator.h.
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default |
Default constructor.
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inline |
Constructor with reference to a DualEdgeTriangulation object.
Definition at line 57 of file LinTriangleInterpolator.h.
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protectedvirtual |
Calculates the first derivative with respect to x for a linear surface and assigns it to vec.
Definition at line 20 of file LinTriangleInterpolator.cpp.
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protectedvirtual |
Calculates the first derivative with respect to y for a linear surface and assigns it to vec.
Definition at line 47 of file LinTriangleInterpolator.cpp.
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overridevirtual |
Calculates the normal vector and assigns it to vec.
Implements TriangleInterpolator.
Definition at line 73 of file LinTriangleInterpolator.cpp.
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overridevirtual |
Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point.
Implements TriangleInterpolator.
Definition at line 100 of file LinTriangleInterpolator.cpp.
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inlinevirtual |
Returns a pointer to the current Triangulation object.
Definition at line 62 of file LinTriangleInterpolator.h.
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inlinevirtual |
Sets a Triangulation.
Definition at line 67 of file LinTriangleInterpolator.h.
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protected |
Definition at line 48 of file LinTriangleInterpolator.h.