51#ifndef vtkPointsProjectedHull_h
52#define vtkPointsProjectedHull_h
54#include "vtkCommonDataModelModule.h"
172 int RectangleIntersection(
double hmin,
double hmax,
double vmin,
double vmax,
int direction);
173 int GrahamScanAlgorithm(
int direction);
175 int RectangleBoundingBoxIntersection(
176 double hmin,
double hmax,
double vmin,
double vmax,
int direction);
177 int RectangleOutside(
double hmin,
double hmax,
double vmin,
double vmax,
int direction);
179 int RectangleOutside1DPolygon(
double hmin,
double hmax,
double vmin,
double vmax,
int dir);
182 void ClearAllocations();
184 static int RemoveExtras(
double* pts,
int n);
185 static double Distance(
double* p1,
double* p2);
186 static vtkIdType PositionInHull(
double* base,
double* top,
double* pt);
187 static int OutsideLine(
188 double hmin,
double hmax,
double vmin,
double vmax,
double* p0,
double* p1,
double* insidePt);
189 static int OutsideHorizontalLine(
190 double vmin,
double vmax,
double* p0,
double* p1,
double* insidePt);
191 static int OutsideVerticalLine(
192 double hmin,
double hmax,
double* p0,
double* p1,
double* insidePt);
199 float HullBBox[3][4];
a simple class to control print indentation
the convex hull of the orthogonal projection of the vtkPoints in the 3 coordinate directions
int GetSizeCCWHullY()
Returns the number of points in the convex hull of the projection of the points down the positive y-a...
int GetCCWHullY(double *pts, int len)
int GetCCWHullZ(double *pts, int len)
int RectangleIntersectionY(vtkPoints *R)
of the parallel projection along the Y axis of the points
int GetSizeCCWHullX()
Returns the number of points in the convex hull of the projection of the points down the positive x-a...
int RectangleIntersectionX(vtkPoints *R)
determine whether the resulting rectangle intersects the convex hull of the projection of the points ...
~vtkPointsProjectedHull() override
int RectangleIntersectionX(float ymin, float ymax, float zmin, float zmax)
the convex hull of the projection of the points along the positive X-axis.
int GetCCWHullZ(float *pts, int len)
Returns the coordinates (x, y) of the points in the convex hull of the projection of the points down ...
int GetCCWHullX(float *pts, int len)
Returns the coordinates (y,z) of the points in the convex hull of the projection of the points down t...
int RectangleIntersectionZ(double xmin, double xmax, double ymin, double ymax)
int RectangleIntersectionX(double ymin, double ymax, double zmin, double zmax)
void Update()
Forces recalculation of convex hulls, use this if you delete/add points.
int GetCCWHullY(float *pts, int len)
Returns the coordinates (z, x) of the points in the convex hull of the projection of the points down ...
int RectangleIntersectionY(float zmin, float zmax, float xmin, float xmax)
the convex hull of the projection of the points along the positive Y-axis.
int GetSizeCCWHullZ()
Returns the number of points in the convex hull of the projection of the points down the positive z-a...
int RectangleIntersectionZ(float xmin, float xmax, float ymin, float ymax)
the convex hull of the projection of the points along the positive Z-axis.
void Reset() override
Make object look empty but do not delete memory.
static vtkPointsProjectedHull * New()
int GetCCWHullX(double *pts, int len)
int RectangleIntersectionZ(vtkPoints *R)
of the parallel projection along the Z axis of the points
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void Initialize() override
Return object to instantiated state.
int RectangleIntersectionY(double zmin, double zmax, double xmin, double xmax)
represent and manipulate 3D points
void GetPoints(vtkIdList *ptId, vtkPoints *outPoints)
Given a list of pt ids, return an array of points.
virtual void Initialize()
Return object to instantiated state.
record modification and/or execution time