WXP::DataMath Class Reference

This class does math on raw point data. More...

#include "../include/DataMath.h"

List of all members.

Static Public Member Functions
static int	units (Data &data, int fld, const char *units)
static int	units (Data &data, const char *units)
static int	uniqueId (Data &odata, Data &idata)
static int	removeMiss (Data &odata, Data &idata)
static int	max (Data &odata, Data &dataa, int flda, Data &datab, int fldb)
static int	max (Data &odata, Data &dataa, Data &datab)
static int	max (Data &odata, Data &idata, int ifld)
static int	max (Data &odata, Data &idata)
static int	min (Data &odata, Data &dataa, int flda, Data &datab, int fldb)
static int	min (Data &odata, Data &dataa, Data &datab)
static int	min (Data &odata, Data &idata, int ifld)
static int	min (Data &odata, Data &idata)
static int	add (Data &odata, Data &dataa, int flda, Data &datab, int fldb)
static int	add (Data &odata, Data &dataa, Data &datab)
static int	add (Data &odata, Data &idata, int ifld)
static int	add (Data &odata, Data &idata)
static int	diff (Data &odata, Data &dataa, int flda, Data &datab, int fldb)
static int	diff (Data &odata, Data &dataa, Data &datab)
static int	replace (Data &data, int fld, float old, float val)
static int	replace (Data &data, float old, float val)
static int	offset (Data &data, int fld, float offset)
static int	offset (Data &data, float offset)
static int	scale (Data &data, int fld, float scale)
static int	scale (Data &data, float scale)
static int	removeValid (Data &odata, Data &data, int min)
static int	average (Data &odata, Data &data)
static int	cutoff (Data &odata, const char *cmd, float cutoff, float nval, Data &idata, int fld)

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Detailed Description

This class does math on raw point data.

Author:

Dan Vietor

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Member Function Documentation

int DataMath::add	(	Data &	odata,
		Data &	idata,
		int	ifld
	)			[static]

Adds two data arrays. O = O + I

Return values:

odata

Output data array

Parameters:

idata

Input data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::add	(	Data &	odata,
		Data &	dataa,
		int	flda,
		Data &	datab,
		int	fldb
	)			[static]

Adds two data arrays. Creates two fields: output and valid

Return values:

odata

Output data array

Parameters:

	dataa	First data array
	flda	Field in first data array
	datab	Second data array
	fldb	Field in second data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::average	(	Data &	odata,
		Data &	data
	)			[static]

Averages data

Return values:

odata

Output data

Parameters:

data

Input data, output of add

References WXP::StrLib::equal(), WXP::Data::getId(), and WXP::Const::MISS.

int DataMath::cutoff	(	Data &	odata,
		const char *	cmd,
		float	cutoff,
		float	nval,
		Data &	idata,
		int	fld
	)			[static]

Cuts off values in a data. This would make all values lower than a cutoff to nval

Return values:

odata

Output data

Parameters:

	cmd	Command (lower, higher)
	cutoff	Cutoff value
	nval	New value to set data to
	idata	Data to use
	fld	Field to use

References WXP::StrLib::equal(), WXP::Data::getId(), and WXP::Const::MISS.

int DataMath::diff	(	Data &	odata,
		Data &	dataa,
		int	flda,
		Data &	datab,
		int	fldb
	)			[static]

Subtracts two data arrays.

Return values:

odata

Output data array

Parameters:

	dataa	First data array
	flda	Field in first data array
	datab	Second data array
	fldb	Field in second data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::max	(	Data &	odata,
		Data &	idata,
		int	ifld
	)			[static]

Finds the maximum of two data arrays. O = O <> I

Return values:

odata

Output data array

Parameters:

idata

Input data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::max	(	Data &	odata,
		Data &	dataa,
		int	flda,
		Data &	datab,
		int	fldb
	)			[static]

Finds the maximum of two data arrays. Creates two fields: output and valid

Return values:

odata

Output data array

Parameters:

	dataa	First data array
	flda	Field in first data array
	datab	Second data array
	fldb	Field in second data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::min	(	Data &	odata,
		Data &	idata,
		int	ifld
	)			[static]

Finds the minimum of two data arrays. O = O <> I

Return values:

odata

Output data array

Parameters:

idata

Input data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::min	(	Data &	odata,
		Data &	dataa,
		int	flda,
		Data &	datab,
		int	fldb
	)			[static]

Finds the minimum of two data arrays. Creates two fields: output and valid

Return values:

odata

Output data array

Parameters:

	dataa	First data array
	flda	Field in first data array
	datab	Second data array
	fldb	Field in second data array

References WXP::Data::getId(), WXP::Data::getIndex(), and WXP::Const::MISS.

int DataMath::offset	(	Data &	data,
		int	fld,
		float	off
	)			[static]

Offset data values

Return values:

data

Data

Parameters:

	fld	Field number
	off	Offset value

References WXP::Const::MISS.

int DataMath::removeMiss	(	Data &	odata,
		Data &	idata
	)			[static]

Removes entries with missing values

Parameters:

	odata	Output data
	idata	Input data

Returns:

Number of entries removed

References WXP::Const::MISS.

int DataMath::removeValid	(	Data &	odata,
		Data &	data,
		int	min
	)			[static]

Removes points that don't make valid count

Return values:

odata

Output data

Parameters:

	data	Input data
	min	Minimum valid count to be put in output

References WXP::StrLib::equal(), and WXP::Data::getId().

int DataMath::replace	(	Data &	data,
		int	fld,
		float	old,
		float	val
	)			[static]

Replace data values

Return values:

data

Data

Parameters:

	fld	Field number
	old	Value to replace
	val	New value

int DataMath::scale	(	Data &	data,
		int	fld,
		float	scale
	)			[static]

Scales data values

Return values:

data

Data

Parameters:

	fld	Field number
	scale	Scale value

References WXP::Const::MISS.

int DataMath::uniqueId	(	Data &	odata,
		Data &	idata
	)			[static]

Removes duplicate entries by identifier

Parameters:

	odata	Output data
	idata	Input data

Returns:

Number of duplicates

References WXP::Hash::enter(), WXP::Data::getId(), WXP::Wxp::isDebug(), and WXP::Hash::searchBool().

int DataMath::units	(	Data &	data,
		const char *	runits
	)			[static]

Changes the units of a data (field 0)

Parameters:

	data	Data to change
	runits	New units (C to F, ft to m)

References units().

int DataMath::units	(	Data &	data,
		int	fld,
		const char *	runits
	)			[static]

Changes the units of a data

Parameters:

	data	Data to change
	fld	Index of field
	runits	New units (C to F, ft to m)

References WXP::Unit::convert(), and WXP::Unit::equal().

Referenced by units().

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The documentation for this class was generated from the following files:

• DataMath.h
• DataMath.cc