Interactions.c File Reference

The implementantion of SegmentSP. More...

#include "../../h/Spatial/SegmentSP/Interactions.h"
#include "../../h/Spatial/SegmentSP/Properties.h"
#include "../../h/Spatial/SegmentSP/Casts.h"
#include "../../h/Spatial/BoxSP/Properties.h"
#include "../../h/Spatial/BoxSP/Interactions.h"
#include "../../h/Spatial/PointSP/Casts.h"
#include "../../h/Spatial/CRS/PointXY/Casts.h"
#include "../../h/Math/Vector2D/ArithmeticOperators.h"
#include "../../h/Math/Vector2D/Casts.h"
#include "../../h/SessionParameters.h"
#include <funcapi.h>
#include <access/htup_details.h>
#include <math.h>

Include dependency graph for Interactions.c:

Functions
static bool	clip (float8 denom, float8 numer, float8 *t0, float8 *t1)
int32	intersectionSegmentSP_BoxSP (const SegmentSP *segment, const BoxSP *box, bool solid, SegmentSP *commonSegment, PointSP *commonPoint)
PGDLLEXPORT Datum	intersectionSegmentSP_BoxSPV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (intersectionSegmentSP_BoxSPV1)
int32	intersectionSegmentSP_SegmentSP (const SegmentSP *segmentA, const SegmentSP *segmentB, SegmentSP *commonSegment, PointSP *commonPoint)
PGDLLEXPORT Datum	intersectionSegmentSP_SegmentSPV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (intersectionSegmentSP_SegmentSPV1)
PointSP *	closestPointSegmentSP_PointSP (const SegmentSP *segment, const PointSP *point, PointSP *result)
PGDLLEXPORT Datum	closestPointSegmentSP_PointSPV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (closestPointSegmentSP_PointSPV1)
int32	closestPointsSegmentSP_SegmentSP (const SegmentSP *segmentA, const SegmentSP *segmentB, PointSP *cpA, PointSP *cpB)
PGDLLEXPORT Datum	closestPointsSegmentSP_SegmentSPV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (closestPointsSegmentSP_SegmentSPV1)

Detailed Description

The implementantion of SegmentSP.

Author

Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

These functions are documented in the SegmentSP/Interactions.h

Function Documentation

static bool clip ( float8  denom, float8  numer, float8 *  t0, float8 *  t1  )

static

Referenced by intersectionSegmentSP_BoxSP().

PointSP* closestPointSegmentSP_PointSP	(	const SegmentSP *	segment,
		const PointSP *	point,
		PointSP *	result
	)

References additionVector2D(), centerSegmentSP(), directionSegmentSP(), dotProductVector2D(), SegmentSP::e, SegmentSP::i, multiplicationScalarVector2D(), PointSP2Vector2D(), PointXY2Vector2D(), subtractionVector2D(), and Vector2D2PointSP().

Referenced by closestPointSegmentSP_PointSPV1().

Here is the call graph for this function:

PGDLLEXPORT Datum closestPointSegmentSP_PointSPV1

(

PG_FUNCTION_ARGS

)

References closestPointSegmentSP_PointSP().

Here is the call graph for this function:

int32 closestPointsSegmentSP_SegmentSP	(	const SegmentSP *	segmentA,
		const SegmentSP *	segmentB,
		PointSP *	cpA,
		PointSP *	cpB
	)

References additionVector2D(), centerSegmentSP(), directionSegmentSP(), dotProductVector2D(), equalsPointSP(), multiplicationScalarVector2D(), PointXY2Vector2D(), subtractionVector2D(), Vector2D2PointSP(), and zeroTolerance.

Referenced by closestPointsSegmentSP_SegmentSPV1().

Here is the call graph for this function:

PGDLLEXPORT Datum closestPointsSegmentSP_SegmentSPV1

(

PG_FUNCTION_ARGS

)

References closestPointsSegmentSP_SegmentSP().

Here is the call graph for this function:

int32 intersectionSegmentSP_BoxSP	(	const SegmentSP *	segment,
		const BoxSP *	box,
		bool	solid,
		SegmentSP *	commonSegment,
		PointSP *	commonPoint
	)

References additionVector2D(), centerBoxSP(), centerSegmentSP(), clip(), directionSegmentSP(), SegmentSP::e, BoxSP::h, SegmentSP::i, BoxSP::l, multiplicationScalarVector2D(), PointXY2Vector2D(), subtractionVector2D(), Vector2D2PointSP(), Vector2D::x, PointSP::x, Vector2D::y, and PointSP::y.

Referenced by atBoxSegmentST(), atBoxTrajectory(), atBoxTSegmentST(), intersectionSegmentSP_BoxSPV1(), and intersectsSegmentSP_BoxSP().

Here is the call graph for this function:

PGDLLEXPORT Datum intersectionSegmentSP_BoxSPV1

(

PG_FUNCTION_ARGS

)

References intersectionSegmentSP_BoxSP().

Here is the call graph for this function:

int32 intersectionSegmentSP_SegmentSP	(	const SegmentSP *	segmentA,
		const SegmentSP *	segmentB,
		SegmentSP *	commonSegment,
		PointSP *	commonPoint
	)

References additionVector2D(), centerSegmentSP(), clonePointSP(), directionSegmentSP(), SegmentSP::e, equalsPointSP(), hl_lhBoxSP(), SegmentSP::i, intersectionBoxSP_BoxSP(), isPunctalBoxSP(), BoxSP::l, l_hBoxSP(), multiplicationScalarVector2D(), normalizeVector2D(), perpDotProductVector2D(), PointXY2Vector2D(), SegmentSP2BoxSP(), subtractionVector2D(), Vector2D2PointSP(), and zeroTolerance.

Referenced by intersectionPointSegmentST_SegmentST(), intersectionSegmentSP_SegmentSPV1(), and intersectsSegmentSP_SegmentSP().

Here is the call graph for this function:

PGDLLEXPORT Datum intersectionSegmentSP_SegmentSPV1

(

PG_FUNCTION_ARGS

)

References intersectionSegmentSP_SegmentSP().

Here is the call graph for this function:

PG_FUNCTION_INFO_V1

(

intersectionSegmentSP_BoxSPV1

)

PG_FUNCTION_INFO_V1

(

intersectionSegmentSP_SegmentSPV1

)

PG_FUNCTION_INFO_V1

(

closestPointSegmentSP_PointSPV1

)

PG_FUNCTION_INFO_V1

(

closestPointsSegmentSP_SegmentSPV1

)