146 #ifndef vtkModifiedBSPTree_h 147 #define vtkModifiedBSPTree_h 149 #include "vtkFiltersFlowPathsModule.h" 153 class Sorted_cell_extents_Lists;
196 virtual void GenerateRepresentationLeafs(
vtkPolyData *pd);
203 double p1[3],
double p2[3],
double tol,
double &t,
double x[3],
204 double pcoords[3],
int &subId,
vtkIdType &cellId)
override;
211 double p1[3],
double p2[3],
double tol,
double &t,
double x[3],
223 const double p1[3],
const double p2[3],
const double tol,
231 double pcoords[3],
double *weights)
override;
253 void Subdivide(
BSPNode *node, Sorted_cell_extents_Lists *lists,
vtkDataSet *dataSet,
260 virtual int IntersectCellInternal(
vtkIdType cell_ID,
const double p1[3],
const double p2[3],
261 const double tol,
double &t,
double ipt[3],
double pcoords[3],
int &subId);
263 void BuildLocatorIfNeeded();
264 void ForceBuildLocator();
265 void BuildLocatorInternal();
275 #ifndef DOXYGEN_SHOULD_SKIP_THIS 287 for (
int i=0; i<3; i++)
delete mChild[i];
291 void setMin(
double minx,
double miny,
double minz) {
295 void setMax(
double maxx,
double maxy,
double maxz) {
314 void Classify(
const double origin[3],
const double dir[3],
318 double &rTmin,
double &rTmax)
const;
323 static bool VTKFILTERSFLOWPATHS_EXPORT
RayMinMaxT(
324 const double bounds[6],
const double origin[3],
const double dir[3],
double &rTmin,
double &rTmax);
virtual void BuildLocator()=0
Build the locator from the input dataset.
virtual bool InsideCellBounds(double x[3], vtkIdType cell_ID)
Quickly test if a point is inside the bounds of a particular cell.
abstract class to specify dataset behavior
an abstract base class for locators which find cells
static int VTKFILTERSFLOWPATHS_EXPORT getDominantAxis(const double dir[3])
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
void Classify(const double origin[3], const double dir[3], double &rDist, BSPNode *&Near, BSPNode *&Mid, BSPNode *&Far) const
void setMax(double maxx, double maxy, double maxz)
a simple class to control print indentation
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
bool RayMinMaxT(const double origin[3], const double dir[3], double &rTmin, double &rTmax) const
friend class vtkParticleBoxTree
void setMin(double minx, double miny, double minz)
bool Inside(double point[3]) const
virtual int IntersectWithLine(double p1[3], 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.
maintain an ordered list of IdList objects
vtkIdType * sorted_cell_lists[6]
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
Generate axis aligned BBox tree for raycasting and other Locator based searches.