poly.h File Reference

#include <neatogen/geometry.h>

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Data Structures
struct	Poly

Functions
void	polyFree (void)
int	polyOverlap (Point, Poly *, Point, Poly *)
int	makePoly (Poly *, Agnode_t *, double, double)
int	makeAddPoly (Poly *, Agnode_t *, double, double)
void	breakPoly (Poly *)

Function Documentation

breakPoly()

void breakPoly ( Poly *  pp )

extern

Definition at line 44 of file poly.c.

References free(), and Poly::verts.

Referenced by freeNodes().

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makeAddPoly()

int makeAddPoly	(	Poly *	pp,
		Agnode_t *	n,
		double	xmargin,
		double	ymargin
	)

Definition at line 128 of file poly.c.

References agerrorf(), bbox(), BOX, CIRCLE, Poly::corner, genRound(), gv_calloc(), isBox(), Poly::kind, boxf::LL, makeScaledTransPoint(), maxcnt, ND_clust, ND_height, ND_shape, ND_shape_info, ND_width, Poly::nverts, Poly::origin, PS2INCH, PUTPT, SH_POINT, SH_POLY, SH_RECORD, shapeOf(), streq(), boxf::UR, Poly::verts, pointf_s::x, Point::x, pointf_s::y, and Point::y.

Referenced by makeInfo().

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makePoly()

int makePoly	(	Poly *	pp,
		Agnode_t *	n,
		double	xmargin,
		double	ymargin
	)

Definition at line 218 of file poly.c.

References agerrorf(), bbox(), BOX, CIRCLE, Poly::corner, genRound(), gv_calloc(), inflatePts(), isBox(), Poly::kind, boxf::LL, makeScaledPoint(), maxcnt, ND_clust, ND_height, ND_shape, ND_shape_info, ND_width, Poly::nverts, Poly::origin, PS2INCH, PUTPT, SH_POINT, SH_POLY, SH_RECORD, shapeOf(), streq(), boxf::UR, Poly::verts, pointf_s::x, Point::x, pointf_s::y, and Point::y.

Referenced by makeInfo().

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polyFree()

void polyFree ( void  )

extern

Definition at line 33 of file poly.c.

References free(), maxcnt, NULL, tp1, tp2, and tp3.

Referenced by freeNodes().

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polyOverlap()

int polyOverlap ( Point  p, Poly *  pp, Point  q, Poly *  qp  )

extern

Definition at line 438 of file poly.c.

References addpt(), Poly::corner, dx, dy, edgesIntersect(), gv_calloc(), inBox(), inPoly(), ISBOX(), ISCIRCLE(), maxcnt, NULL, Poly::nverts, Poly::origin, pintersect(), tp1, tp2, transCopy(), Poly::verts, Point::x, and Point::y.

Referenced by countOverlap().

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