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34 #ifndef vtkLagrangeTriangle_h
35 #define vtkLagrangeTriangle_h
37 #include "vtkCommonDataModelModule.h"
40 #define VTK_LAGRANGE_TRIANGLE_MAX_ORDER 6
42 #define MAX_POINTS ((VTK_LAGRANGE_TRIANGLE_MAX_ORDER + 1) * \
43 (VTK_LAGRANGE_TRIANGLE_MAX_ORDER + 2)/2)
45 #define MAX_SUBTRIANGLES (VTK_LAGRANGE_TRIANGLE_MAX_ORDER * \
46 VTK_LAGRANGE_TRIANGLE_MAX_ORDER)
78 int& subId,
double pcoords[3],
79 double& dist2,
double weights[])
override;
81 double *weights)
override;
91 int insideOut)
override;
92 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double& t,
93 double x[3],
double pcoords[3],
int& subId)
override;
95 void JacobianInverse(
const double pcoords[3],
double** inverse,
double* derivs);
96 void Derivatives(
int subId,
const double pcoords[3],
const double *values,
97 int dim,
double *derivs)
override;
99 static void ComputeParametricCoords(
double*,
vtkIdType);
130 void SubtriangleBarycentricPointIndices(
vtkIdType cellIndex,
152 #undef MAX_SUBTRIANGLES
represent and manipulate 3D points
#define VTK_LAGRANGE_TRIANGLE_MAX_ORDER
vtkIdType GetNumberOfSubtriangles() const
virtual int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
Intersect with a ray.
virtual void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)=0
Generate contouring primitives.
represent and manipulate point attribute data
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
virtual void Initialize()
static int MaximumNumberOfPoints()
int GetNumberOfFaces() override
Return the number of faces in the cell.
int GetCellType() override
Return the type of cell.
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
abstract superclass for arrays of numeric data
virtual void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights)=0
Determine global coordinate (x[3]) from subId and parametric coordinates.
vtkIdType GetOrder() const
static int MaximumOrder()
int GetNumberOfEdges() override
Return the number of edges in the cell.
double * ParametricCoordinates
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
int RequiresInitialization() override
Some cells require initialization prior to access.
vtkIdType NumberOfSubtriangles
abstract class to specify cell behavior
represent and manipulate cell attribute data
a simple class to control print indentation
object to represent cell connectivity
Abstract class in support of both point location and point insertion.
list of point or cell ids
A 2D cell that represents an arbitrary order Lagrange triangle.
a cell that represents a triangle
virtual int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts)=0
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
virtual void InterpolateDerivs(const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(derivs))
virtual double GetParametricDistance(const double pcoords[3])
Return the distance of the parametric coordinate provided to the cell.
virtual int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[])=0
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
abstract superclass for non-linear cells
virtual void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
Cut (or clip) the cell based on the input cellScalars and the specified value.
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void InterpolateFunctions(const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(weight))
Compute the interpolation functions/derivatives (aka shape functions/derivatives) No-ops at this leve...
virtual void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs)=0
Compute derivatives given cell subId and parametric coordinates.
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
dynamic, self-adjusting array of double
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).