Interpolation.c File Reference

The implementation of Trajectory. More...

#include "../../h/SpatioTemporal/Trajectory/Interpolation.h"
#include "../../h/SpatioTemporal/Trajectory/Accessors.h"
#include "../../h/SpatioTemporal/Trajectory/Editors.h"
#include "../../h/SpatioTemporal/Trajectory/Constructors.h"
#include "../../h/SpatioTemporal/Trajectory/SessionParameters.h"
#include "../../h/SpatioTemporal/SegmentST/Accessors.h"
#include "../../h/Temporal/Period/Interactions.h"
#include "../../h/Spatial/PointSP/Distance.h"
#include "../../h/Spatial/SegmentSP/Properties.h"
#include "../../h/Spatial/SegmentSP/ArithmeticOperators.h"
#include "../../h/Spatial/SegmentSP/RelationalOperators.h"
#include "../../h/Spatial/SegmentSP/Interactions.h"
#include "../../h/Spatial/SegmentSP/Distance.h"
#include "../../h/Spatial/BoxSP/RelationalOperators.h"
#include "../../h/Utilities/Utilities.h"
#include "../../h/Utilities/MSVCWorkarounds.h"
#include "../../h/SessionParameters.h"
#include <funcapi.h>
#include <math.h>

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Functions
float8 *	speedAtTrajectory (Datum trajectory, int32 i, const float8 *s0, int32 precision, float8 *result)
float8 *	accelerationAtTrajectory (Datum trajectory, int32 i, const float8 *s0, int32 precision, float8 *result)
PGDLLEXPORT Datum	speedAtTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (speedAtTrajectoryV1)
PGDLLEXPORT Datum	speedAtTrajectoryV1_2 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (speedAtTrajectoryV1_2)
PGDLLEXPORT Datum	accelerationAtTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (accelerationAtTrajectoryV1)
PGDLLEXPORT Datum	accelerationAtTrajectoryV1_2 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (accelerationAtTrajectoryV1_2)
float8 *	speedAtTTrajectory (Datum trajectory, Timestamp ts, int32 precision, float8 *result)
float8 *	accelerationAtTTrajectory (Datum trajectory, Timestamp ts, int32 precision, float8 *result)
PGDLLEXPORT Datum	speedAtTTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (speedAtTTrajectoryV1)
PGDLLEXPORT Datum	accelerationAtTTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (accelerationAtTTrajectoryV1)
PointST *	atInstantTrajectory (Datum trajectory, Timestamp ts, int32 precision, PointST *result)
PGDLLEXPORT Datum	atInstantTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atInstantTrajectoryV1)
Trajectory *	atPeriodTrajectory (Datum trajectory, const Period *period, int32 precision)
PGDLLEXPORT Datum	atPeriodTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atPeriodTrajectoryV1)
PointST *	atDistanceTrajectory (const Trajectory *trajectory, float8 distance, int32 precision, PointST *result)
PGDLLEXPORT Datum	atDistanceTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atDistanceTrajectoryV1)
int32	atPointTrajectory (const Trajectory *trajectory, const PointSP *point, int32 precision, PointST ***result)
PGDLLEXPORT Datum	atPointTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atPointTrajectoryV1)
int32	atBoxTrajectory (const Trajectory *trajectory, const BoxSP *box, int32 precision, Trajectory ***result)
PGDLLEXPORT Datum	atBoxTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atBoxTrajectoryV1)
int32	atBoxSTTrajectory (Datum trajectory, const BoxST *box, int32 precision, Trajectory ***result)
PGDLLEXPORT Datum	atBoxSTTrajectoryV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (atBoxSTTrajectoryV1)

Detailed Description

The implementation of Trajectory.

Author

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

These functions are documented in the Trajectory/Interpolation.h

Function Documentation

float8* accelerationAtTrajectory	(	Datum	trajectory,
		int32	i,
		const float8 *	s0,
		int32	precision,
		float8 *	result
	)

References differenceInSeconds(), i(), Trajectory::NrPoints, NrPointsTrajectory(), Trajectory::points, speedAtTrajectory(), subTrajectory(), and PointST::t.

Referenced by accelerationAtTrajectoryV1(), accelerationAtTrajectoryV1_2(), accelerationAtTTrajectory(), atBoxTrajectory(), atDistanceTrajectory(), atInstantTrajectory(), atPointTrajectory(), and speedAtTTrajectory().

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PGDLLEXPORT Datum accelerationAtTrajectoryV1

(

PG_FUNCTION_ARGS

)

References accelerationAtTrajectory().

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PGDLLEXPORT Datum accelerationAtTrajectoryV1_2

(

PG_FUNCTION_ARGS

)

References accelerationAtTrajectory(), and validateInterpolationPrecision().

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float8* accelerationAtTTrajectory	(	Datum	trajectory,
		Timestamp	ts,
		int32	precision,
		float8 *	result
	)

References accelerationAtTrajectory(), i(), j, Trajectory::NrPoints, NrPointsTrajectory(), pointAtTrajectory(), points(), samplingPeriodTrajectory(), PointST::t, timestamp2seconds(), and trajectory().

Referenced by accelerationAtTTrajectoryV1().

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PGDLLEXPORT Datum accelerationAtTTrajectoryV1

(

PG_FUNCTION_ARGS

)

References accelerationAtTTrajectory(), and validateInterpolationPrecision().

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int32 atBoxSTTrajectory	(	Datum	trajectory,
		const BoxST *	box,
		int32	precision,
		Trajectory ***	result
	)

References atBoxTrajectory(), atPeriodTrajectory(), BoxST::sp, and BoxST::t.

Referenced by atBoxSTTrajectoryV1(), and intersectsTrajectory_BoxST().

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PGDLLEXPORT Datum atBoxSTTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atBoxSTTrajectory(), i(), updateMetadataTrajectory(), and validateInterpolationPrecision().

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int32 atBoxTrajectory	(	const Trajectory *	trajectory,
		const BoxSP *	box,
		int32	precision,
		Trajectory ***	result
	)

References accelerationAtTrajectory(), allocateTrajectory(), containedSegmentSP_BoxSP(), containsBoxSP_PointSP(), distancePointSP_PointSP(), SegmentSP::e, Period::e, expandOnPointTrajectory(), expandOnSegmentTrajectory(), i(), SegmentSP::i, Period::i, intersectionSegmentSP_BoxSP(), Trajectory::NrPoints, Trajectory::points, PointST::sp, SegmentST::sp, speedAtTrajectory(), PointST::t, SegmentST::t, and timestampPlusSeconds().

Referenced by atBoxSTTrajectory(), and atBoxTrajectoryV1().

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PGDLLEXPORT Datum atBoxTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atBoxTrajectory(), i(), updateMetadataTrajectory(), and validateInterpolationPrecision().

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PointST* atDistanceTrajectory	(	const Trajectory *	trajectory,
		float8	distance,
		int32	precision,
		PointST *	result
	)

References accelerationAtTrajectory(), clonePointST(), SegmentSP::e, Period::e, i(), SegmentSP::i, Period::i, length(), lengthSegmentSP(), Trajectory::NrPoints, Trajectory::points, resizeSegmentSP(), PointST::sp, SegmentST::sp, speedAtTrajectory(), PointST::t, SegmentST::t, and timestampPlusSeconds().

Referenced by atDistanceTrajectoryV1().

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PGDLLEXPORT Datum atDistanceTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atDistanceTrajectory(), and validateInterpolationPrecision().

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PointST* atInstantTrajectory	(	Datum	trajectory,
		Timestamp	ts,
		int32	precision,
		PointST *	result
	)

References accelerationAtTrajectory(), clonePointST(), differenceInSeconds(), distancePointSP_PointSP(), i(), j, length(), Trajectory::NrPoints, NrPointsTrajectory(), pointAtTrajectory(), points(), Trajectory::points, round(), samplingPeriodTrajectory(), PointST::sp, speedAtTrajectory(), subTrajectory(), PointST::t, timestamp2seconds(), trajectory(), PointSP::x, and PointSP::y.

Referenced by atInstantTrajectoryV1(), atPeriodTrajectory(), Chebyshev(), DISSIM(), Euclidean(), Manhattan(), simplifyEpochTrajectory(), and simplifyTrajectory().

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PGDLLEXPORT Datum atInstantTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atInstantTrajectory(), and validateInterpolationPrecision().

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Trajectory* atPeriodTrajectory	(	Datum	trajectory,
		const Period *	period,
		int32	precision
	)

References atInstantTrajectory(), constructorPointTrajectory(), Period::e, i(), Period::i, intersectionPeriod_Period(), j, Trajectory::NrPoints, NrPointsTrajectory(), pointAtTrajectory(), Trajectory::points, samplingPeriodTrajectory(), subTrajectory(), PointST::t, timestamp2seconds(), and trajectory().

Referenced by atBoxSTTrajectory(), and atPeriodTrajectoryV1().

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PGDLLEXPORT Datum atPeriodTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atPeriodTrajectory(), updateMetadataTrajectory(), and validateInterpolationPrecision().

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int32 atPointTrajectory	(	const Trajectory *	trajectory,
		const PointSP *	point,
		int32	precision,
		PointST ***	result
	)

References accelerationAtTrajectory(), distancePointSP_PointSP(), distanceSegmentSP_PointSP(), SegmentSP::e, Period::e, equalsPointSP(), i(), SegmentSP::i, Period::i, Trajectory::NrPoints, Trajectory::points, PointST::sp, SegmentST::sp, speedAtTrajectory(), PointST::t, SegmentST::t, timestampPlusSeconds(), and zeroTolerance.

Referenced by atPointTrajectoryV1().

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PGDLLEXPORT Datum atPointTrajectoryV1

(

PG_FUNCTION_ARGS

)

References atPointTrajectory(), i(), and validateInterpolationPrecision().

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PG_FUNCTION_INFO_V1

(

speedAtTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

speedAtTrajectoryV1_2

)

PG_FUNCTION_INFO_V1

(

accelerationAtTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

accelerationAtTrajectoryV1_2

)

PG_FUNCTION_INFO_V1

(

speedAtTTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

accelerationAtTTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atInstantTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atPeriodTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atDistanceTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atPointTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atBoxTrajectoryV1

)

PG_FUNCTION_INFO_V1

(

atBoxSTTrajectoryV1

)

float8* speedAtTrajectory	(	Datum	trajectory,
		int32	i,
		const float8 *	s0,
		int32	precision,
		float8 *	result
	)

References differenceInSeconds(), distancePointSP_PointSP(), j, Trajectory::NrPoints, NrPointsTrajectory(), Trajectory::points, PointST::sp, subTrajectory(), and PointST::t.

Referenced by accelerationAtTrajectory(), atBoxTrajectory(), atDistanceTrajectory(), atInstantTrajectory(), atPointTrajectory(), speedAtTrajectoryV1(), speedAtTrajectoryV1_2(), and speedAtTTrajectory().

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PGDLLEXPORT Datum speedAtTrajectoryV1

(

PG_FUNCTION_ARGS

)

References speedAtTrajectory().

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PGDLLEXPORT Datum speedAtTrajectoryV1_2

(

PG_FUNCTION_ARGS

)

References speedAtTrajectory().

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float8* speedAtTTrajectory	(	Datum	trajectory,
		Timestamp	ts,
		int32	precision,
		float8 *	result
	)

References accelerationAtTrajectory(), differenceInSeconds(), i(), j, Trajectory::NrPoints, NrPointsTrajectory(), pointAtTrajectory(), points(), Trajectory::points, samplingPeriodTrajectory(), speedAtTrajectory(), PointST::t, timestamp2seconds(), timestampPlusSeconds(), and trajectory().

Referenced by speedAtTTrajectoryV1().

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PGDLLEXPORT Datum speedAtTTrajectoryV1

(

PG_FUNCTION_ARGS

)

References speedAtTTrajectory(), and validateInterpolationPrecision().

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