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

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

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)

Detailed Description

This class does math on raw point data.

Author: Dan Vietor

Member Function Documentation

◆ add() [1/2]

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.

◆ add() [2/2]

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.

◆ average()

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.

◆ cutoff()

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

Referenced by cutoff().

◆ diff()

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.

◆ max() [1/2]

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.

◆ max() [2/2]

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.

◆ min() [1/2]

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.

Referenced by removeValid().

◆ min() [2/2]

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.

◆ offset()

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.

◆ removeMiss()

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.

◆ removeValid()

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(), WXP::Data::getId(), and min().

◆ replace()

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

◆ scale()

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, and scale().

Referenced by scale().

◆ uniqueId()

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().

◆ units() [1/2]

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().

◆ units() [2/2]

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().

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

DataMath.h
DataMath.cc

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ add() [1/2]

◆ add() [2/2]

◆ average()

◆ cutoff()

◆ diff()

◆ max() [1/2]

◆ max() [2/2]

◆ min() [1/2]

◆ min() [2/2]

◆ offset()

◆ removeMiss()

◆ removeValid()

◆ replace()

◆ scale()

◆ uniqueId()

◆ units() [1/2]

◆ units() [2/2]