VTK  9.3.1
vtkLinearTransformCellLocator.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
29 #ifndef vtkLinearTransformCellLocator_h
30 #define vtkLinearTransformCellLocator_h
31 
32 #include "vtkAbstractCellLocator.h"
33 #include "vtkFiltersFlowPathsModule.h" // For export macro
34 #include "vtkSmartPointer.h" // For vtkSmartPointer
35 
36 VTK_ABI_NAMESPACE_BEGIN
37 
38 class vtkTransform;
39 
40 class VTKFILTERSFLOWPATHS_EXPORT vtkLinearTransformCellLocator : public vtkAbstractCellLocator
41 {
42 public:
44 
49  void PrintSelf(ostream& os, vtkIndent indent) override;
51 
53 
58  virtual void SetCellLocator(vtkAbstractCellLocator* locator);
59  vtkGetObjectMacro(CellLocator, vtkAbstractCellLocator);
61 
63 
70  vtkSetMacro(UseAllPoints, bool);
71  vtkBooleanMacro(UseAllPoints, bool);
72  vtkGetMacro(UseAllPoints, bool);
74 
79  vtkGetMacro(IsLinearTransformation, bool);
80 
81  // Re-use any superclass signatures that we don't override.
86 
93  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
94  double pcoords[3], int& subId, vtkIdType& cellId, vtkGenericCell* cell) override;
95 
105  int IntersectWithLine(const double p1[3], const double p2[3], double tol, vtkPoints* points,
106  vtkIdList* cellIds, vtkGenericCell* cell) override;
107 
115  void FindClosestPoint(const double x[3], double closestPoint[3], vtkGenericCell* cell,
116  vtkIdType& cellId, int& subId, double& dist2) override
117  {
118  this->Superclass::FindClosestPoint(x, closestPoint, cell, cellId, subId, dist2);
119  }
120 
131  vtkIdType FindClosestPointWithinRadius(double x[3], double radius, double closestPoint[3],
132  vtkGenericCell* cell, vtkIdType& cellId, int& subId, double& dist2, int& inside) override;
133 
140  void FindCellsWithinBounds(double* bbox, vtkIdList* cells) override;
141 
149  const double p1[3], const double p2[3], double tolerance, vtkIdList* cellsIds) override
150  {
151  this->Superclass::FindCellsAlongLine(p1, p2, tolerance, cellsIds);
152  }
153 
160  void FindCellsAlongPlane(
161  const double o[3], const double n[3], double tolerance, vtkIdList* cells) override;
162 
170  vtkIdType FindCell(double x[3], double vtkNotUsed(tol2), vtkGenericCell* cell, int& subId,
171  double pcoords[3], double* weights) override;
172 
177  bool InsideCellBounds(double x[3], vtkIdType cellId) override;
178 
180 
183  void GenerateRepresentation(int level, vtkPolyData* pd) override;
184  void FreeSearchStructure() override;
185  void BuildLocator() override;
186  void ForceBuildLocator() override;
188 
192  void ShallowCopy(vtkAbstractCellLocator* locator) override;
193 
194 protected:
196  ~vtkLinearTransformCellLocator() override;
197 
198  void BuildLocatorInternal() override;
199 
200  bool ComputeTransformation();
201 
204  bool IsLinearTransformation = false;
205  bool UseAllPoints = false;
206 
208 
209 private:
211  void operator=(const vtkLinearTransformCellLocator&) = delete;
212 };
213 
214 VTK_ABI_NAMESPACE_END
215 #endif
virtual void BuildLocator()=0
Build the locator from the input dataset.
virtual vtkIdType FindClosestPointWithinRadius(double x[3], double radius, double closestPoint[3], vtkIdType &cellId, int &subId, double &dist2)
Return the closest point within a specified radius and the cell which is closest to the point x...
virtual void FindCellsWithinBounds(double *bbox, vtkIdList *cells)
Return a list of unique cell ids inside of a given bounding box.
virtual bool InsideCellBounds(double x[3], vtkIdType cell_ID)
Quickly test if a point is inside the bounds of a particular cell.
vtkSmartPointer< vtkTransform > InverseTransform
an abstract base class for locators which find cells
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:49
int vtkIdType
Definition: vtkType.h:315
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:79
void FindClosestPoint(const double x[3], double closestPoint[3], vtkGenericCell *cell, vtkIdType &cellId, int &subId, double &dist2) override
Return the closest point and the cell which is closest to the point x.
virtual void FreeSearchStructure()=0
Free the memory required for the spatial data structure.
provides thread-safe access to cells
vtkSmartPointer< vtkTransform > Transform
virtual void FindClosestPoint(const double x[3], double closestPoint[3], vtkIdType &cellId, int &subId, double &dist2)
Return the closest point and the cell which is closest to the point x.
virtual void ShallowCopy(vtkAbstractCellLocator *)
Shallow copy of a vtkAbstractCellLocator.
void FindCellsAlongLine(const double p1[3], const double p2[3], double tolerance, vtkIdList *cellsIds) override
Take the passed line segment and intersect it with the data set.
virtual int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)
Return intersection point (if any) of finite line with cells contained in cell locator.
a simple class to control print indentation
Definition: vtkIndent.h:28
virtual void BuildLocatorInternal()
This function is not pure virtual to maintain backwards compatibility.
Definition: vtkLocator.h:192
virtual vtkIdType FindCell(double x[3])
Returns the Id of the cell containing the point, returns -1 if no cell found.
list of point or cell ids
Definition: vtkIdList.h:22
Cell locator adaptor to perform cell Location on datasets that are a linear transformation of the ori...
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void FindCellsAlongPlane(const double o[3], const double n[3], double tolerance, vtkIdList *cells)
Given an unbounded plane defined by an origin o[3] and unit normal n[3], return the list of unique ce...
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual void GenerateRepresentation(int level, vtkPolyData *pd)=0
Method to build a representation at a particular level.
represent and manipulate 3D points
Definition: vtkPoints.h:28
virtual void ForceBuildLocator()
Build the locator from the input dataset (even if UseExistingSearchStructure is on).
Definition: vtkLocator.h:156