36 #ifndef vtkCellLocator_h
37 #define vtkCellLocator_h
40 #include "vtkCommonDataModelModule.h"
44 VTK_ABI_NAMESPACE_BEGIN
82 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double& t,
double x[3],
107 vtkIdType& cellId,
int& subId,
double& dist2)
override
109 this->Superclass::FindClosestPoint(x, closestPoint, cell, cellId, subId, dist2);
135 double pcoords[3],
double* weights)
override;
152 const double p1[3],
const double p2[3],
double tolerance,
vtkIdList* cellsIds)
override
154 this->Superclass::FindCellsAlongLine(p1, p2, tolerance, cellsIds);
168 virtual
void BuildLocatorIfNeeded() {}
179 virtual int GetNumberOfBuckets();
198 inline int GetNumberOfNeighbors();
204 inline int InsertNextPoint(
int* x);
210 void GetOverlappingBuckets(
vtkNeighborCells& buckets,
const double x[3],
double dist,
211 int prevMinLevel[3],
int prevMaxLevel[3]);
213 inline void GetBucketIndices(
const double x[3],
int ijk[3]);
215 double Distance2ToBucket(
const double x[3],
int nei[3]);
216 double Distance2ToBounds(
const double x[3],
double bounds[6]);
226 int GenerateIndex(
int offset,
int numDivs,
int i,
int j,
int k,
vtkIdType& idx);
229 void ComputeOctantBounds(
double octantBounds[6],
int i,
int j,
int k);
236 VTK_ABI_NAMESPACE_END
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.
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.
#define VTK_DEPRECATED_IN_9_2_0(reason)
virtual void SetNumberOfCellsPerNode(int)
Specify the preferred/maximum number of cells in each node/bucket.
an abstract base class for locators which find cells
vtkSmartPointer< vtkIdList > * Tree
std::shared_ptr< std::vector< vtkSmartPointer< vtkIdList > > > TreeSharedPtr
int GetNumberOfCellsPerBucket()
void SetNumberOfCellsPerBucket(int N)
Specify the average number of cells in each octant.
concrete dataset represents vertices, lines, polygons, and triangle strips
virtual void FreeSearchStructure()=0
Free the memory required for the spatial data structure.
provides thread-safe access to cells
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.
dynamic, self-adjusting array of int
virtual void ShallowCopy(vtkAbstractCellLocator *)
Shallow copy of a vtkAbstractCellLocator.
octree-based spatial search object to quickly locate cells
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 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
virtual void BuildLocatorInternal()
This function is not pure virtual to maintain backwards compatibility.
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
object to represent cell connectivity
void GetPoint(int i, int j, int k, double pnt[3])
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
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
virtual void ForceBuildLocator()
Build the locator from the input dataset (even if UseExistingSearchStructure is on).
vtkNew< vtkIntArray > Points