Go to the documentation of this file.
143 #ifndef vtkModifiedBSPTree_h
144 #define vtkModifiedBSPTree_h
146 #include "vtkFiltersFlowPathsModule.h"
150 class Sorted_cell_extents_Lists;
193 virtual void GenerateRepresentationLeafs(
vtkPolyData *pd);
199 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double &t,
double x[3],
200 double pcoords[3],
int &subId,
vtkIdType &cellId)
override;
206 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double &t,
double x[3],
218 const double p1[3],
const double p2[3],
const double tol,
226 double pcoords[3],
double *weights)
override;
248 void Subdivide(BSPNode *node, Sorted_cell_extents_Lists *lists,
vtkDataSet *dataSet,
255 virtual int IntersectCellInternal(
vtkIdType cell_ID,
const double p1[3],
const double p2[3],
256 const double tol,
double &t,
double ipt[3],
double pcoords[3],
int &subId);
258 void BuildLocatorIfNeeded();
259 void ForceBuildLocator();
260 void BuildLocatorInternal();
270 #ifndef DOXYGEN_SHOULD_SKIP_THIS
276 mChild[0] = mChild[1] = mChild[2] =
nullptr;
277 for (
int i=0; i<6; i++) sorted_cell_lists[i] =
nullptr;
282 for (
int i=0; i<3; i++)
delete mChild[i];
283 for (
int i=0; i<6; i++)
delete []sorted_cell_lists[i];
286 void setMin(
double minx,
double miny,
double minz) {
287 this->Bounds[0] = minx; this->Bounds[2] = miny; this->Bounds[4] = minz;
290 void setMax(
double maxx,
double maxy,
double maxz) {
291 this->Bounds[1] = maxx; this->Bounds[3] = maxy; this->Bounds[5] = maxz;
294 bool Inside(
double point[3])
const;
309 void Classify(
const double origin[3],
const double dir[3],
310 double &rDist, BSPNode *&Near, BSPNode *&Mid, BSPNode *&Far)
const;
312 bool RayMinMaxT(
const double origin[3],
const double dir[3],
313 double &rTmin,
double &rTmax)
const;
316 friend class vtkParticleBoxTree;
318 static bool VTKFILTERSFLOWPATHS_EXPORT RayMinMaxT(
319 const double bounds[6],
const double origin[3],
const double dir[3],
double &rTmin,
double &rTmax);
320 static int VTKFILTERSFLOWPATHS_EXPORT getDominantAxis(
const double dir[3]);
represent and manipulate 3D points
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 vtkIdType FindCell(double x[3])
Returns the Id of the cell containing the point, returns -1 if no cell found.
virtual void GenerateRepresentation(int level, vtkPolyData *pd)=0
Method to build a representation at a particular level.
virtual bool InsideCellBounds(double x[3], vtkIdType cell_ID)
Quickly test if a point is inside the bounds of a particular cell.
a simple class to control print indentation
list of point or cell ids
virtual void BuildLocator()=0
Build the locator from the input dataset.
maintain an ordered list of IdList objects
an abstract base class for locators which find cells
abstract class to specify dataset behavior
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.
concrete dataset represents vertices, lines, polygons, and triangle strips
provides thread-safe access to cells
Generate axis aligned BBox tree for raycasting and other Locator based searches.
virtual void FreeSearchStructure()=0
Free the memory required for the spatial data structure.