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146 #ifndef vtkModifiedBSPTree_h
147 #define vtkModifiedBSPTree_h
149 #include "vtkFiltersFlowPathsModule.h"
153 class Sorted_cell_extents_Lists;
196 virtual void GenerateRepresentationLeafs(
vtkPolyData *pd);
202 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double &t,
double x[3],
203 double pcoords[3],
int &subId,
vtkIdType &cellId)
override;
209 int IntersectWithLine(
const double p1[3],
const double p2[3],
double tol,
double &t,
double x[3],
221 const double p1[3],
const double p2[3],
const double tol,
229 double pcoords[3],
double *weights)
override;
251 void Subdivide(BSPNode *node, Sorted_cell_extents_Lists *lists,
vtkDataSet *dataSet,
258 virtual int IntersectCellInternal(
vtkIdType cell_ID,
const double p1[3],
const double p2[3],
259 const double tol,
double &t,
double ipt[3],
double pcoords[3],
int &subId);
261 void BuildLocatorIfNeeded();
262 void ForceBuildLocator();
263 void BuildLocatorInternal();
273 #ifndef DOXYGEN_SHOULD_SKIP_THIS
279 mChild[0] = mChild[1] = mChild[2] =
nullptr;
280 for (
int i=0; i<6; i++) sorted_cell_lists[i] =
nullptr;
285 for (
int i=0; i<3; i++)
delete mChild[i];
286 for (
int i=0; i<6; i++)
delete []sorted_cell_lists[i];
289 void setMin(
double minx,
double miny,
double minz) {
290 this->Bounds[0] = minx; this->Bounds[2] = miny; this->Bounds[4] = minz;
293 void setMax(
double maxx,
double maxy,
double maxz) {
294 this->Bounds[1] = maxx; this->Bounds[3] = maxy; this->Bounds[5] = maxz;
297 bool Inside(
double point[3])
const;
312 void Classify(
const double origin[3],
const double dir[3],
313 double &rDist, BSPNode *&Near, BSPNode *&Mid, BSPNode *&Far)
const;
315 bool RayMinMaxT(
const double origin[3],
const double dir[3],
316 double &rTmin,
double &rTmax)
const;
319 friend class vtkParticleBoxTree;
321 static bool VTKFILTERSFLOWPATHS_EXPORT RayMinMaxT(
322 const double bounds[6],
const double origin[3],
const double dir[3],
double &rTmin,
double &rTmax);
323 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.