Detailed Description

Definition at line 402 of file DiscCorr.cpp.

Inheritance diagram for GDCPass:

Public Member Functions
list< Segment >::iterator	createSegment (list< Segment >::iterator sit, int ibeg, string msg=string())

void	deleteSegment (list< Segment >::iterator &it, string msg=string())

int	detectGFslips ()

int	detectGFsmallSlips ()

int	detectObviousSlips (string which)

int	detectWLslips ()

int	detectWLsmallSlips ()

string	dumpSegments (string msg, int level=2, bool extra=false)

long	EstimateGFslipFix (list< Segment >::iterator &left, list< Segment >::iterator &right, unsigned int nb, unsigned int ne, long n1)

string	finish (int iret, SatPass &svp, vector< string > &editCmds)

int	firstDifferences (string which)

int	fixAllSlips (string which)

void	fixOneSlip (list< Segment >::iterator &kt, string which)

bool	foundGFoutlier (int i, int inew, Stats< double > &pastSt, Stats< double > &futureSt)

bool	foundGFsmallSlip (int i, int nseg, int iend, int ibeg, deque< int > &pastIn, deque< int > &futureIn, Stats< double > &pastSt, Stats< double > &futureSt)

bool	foundWLsmallSlip (list< Segment >::iterator &it, int i)

	GDCPass (SatPass &sp, const GDCconfiguration &gdc)

int	GFphaseResiduals (list< Segment >::iterator &it)

void	GFslipFix (list< Segment >::iterator &left, list< Segment >::iterator &right)

int	linearCombinations ()

int	prepareGFdata ()

int	preprocess ()

void	WLcomputeStats (list< Segment >::iterator &it)

int	WLconsistencyCheck ()

void	WLsigmaStrip (list< Segment >::iterator &it)

void	WLslipFix (list< Segment >::iterator &left, list< Segment >::iterator &right)

int	WLstatSweep (list< Segment >::iterator &it, int width)

Public Member Functions inherited from gnsstk::SatPass
int	addData (const Epoch &tt, const std::vector< std::string > &obstypes, const std::vector< double > &data, const std::vector< unsigned short > &lli, const std::vector< unsigned short > &ssi, const unsigned short flag=SatPass::OK)

int	addData (const Epoch &tt, std::vector< std::string > &obstypes, std::vector< double > &data)

int	addData (const RinexObsData &robs)

void	clear ()
	clear the data (but not the obs types) from the arrays More...

double &	data (unsigned int i, const std::string &type)

double	data (unsigned int i, const std::string &type1, const std::string &type2) const

void	decimate (const int N, Epoch refTime=CommonTime::BEGINNING_OF_TIME)

void	dump (std::ostream &os, const std::string &msg1, const std::string &msg2=std::string())

unsigned int	getCount (unsigned int i) const

double	getDT () const

Epoch	getFirstGoodTime () const

Epoch	getFirstTime () const

unsigned short	getFlag (unsigned int i) const

bool	getGLOchannel (int &n, std::string &msg)

Epoch	getLastGoodTime () const

Epoch	getLastTime () const

double	getMaxGap () const

int	getNgood () const

std::vector< std::string >	getObsTypes ()

std::vector< std::string >	getObstypes ()
	Access the obstypes (as strings) More...

std::string	getOutputFormat ()

RinexSatID	getSat () const

int	getStatus () const
	Access the status as r-value only. More...

unsigned int	getUserFlag (unsigned int i) const

bool	hasCommonView (const SatPass &that, double pdelt=NULL, Epoch pttb=NULL, Epoch *ptte=NULL)

bool	hasOverlap (const SatPass &that, double pdelt=NULL, Epoch pttb=NULL, Epoch *ptte=NULL)

bool	hasType (std::string type) const

bool	includesTime (const Epoch &tt) const

int	index (const Epoch &tt) const

unsigned short &	LLI (unsigned int i, const std::string &type)

unsigned short	LLI (unsigned int i, const std::string &type1, const std::string &type2)

bool	operator< (const SatPass &right) const
	'less than' is required for sort() and map<SatPass,...>.find(SatPass) More...

SatPass &	operator= (const SatPass &right)

void	renameObstypes (std::map< std::string, std::string > &subst)

	SatPass (const RinexSatID &sat, double dt)

	SatPass (const RinexSatID &sat, double dt, std::vector< std::string > obstypes)

void	setFlag (unsigned int i, unsigned short flag)

void	setOutputFormat (std::string fmt, int round=3)

void	setUserFlag (unsigned int i, unsigned int inflag)

unsigned int	size () const

void	smooth (bool smoothPR, bool smoothPH, std::string &msg, const double &wl1=L1_WAVELENGTH_GPS, const double &wl2=L2_WAVELENGTH_GPS)

void	smoothSF (bool smoothPR, bool smoothPH, std::string &msg, const int freq, double wl)

bool	split (int N, SatPass &newSP)

unsigned short &	SSI (unsigned int i, const std::string &type)

unsigned short	SSI (unsigned int i, const std::string &type1, const std::string &type2)

int &	status ()
	Access the status; l-value may be assigned SP.status() = 1;. More...

Epoch	time (unsigned int i) const

double &	timeoffset (unsigned int i)

std::string	toString (std::string msg="", std::string fmt="%04Y/%02m/%02d %02H:%02M:%06.3f = %04F %w %10.3g")

int	trimAfter (const Epoch ttag)

Public Member Functions inherited from gnsstk::GDCconfiguration
void	DisplayParameterUsage (std::ostream &os, bool advanced=false)

	GDCconfiguration ()
	constructor; this sets a full default set of parameters. More...

std::string	getDescription (const std::string &label)
	Get the description of a parameter. More...

double	getParameter (const std::string &label)
	Get the parameter in the configuration corresponding to label. More...

void	setDebugStream (std::ostream &os)
	Tell GDCconfiguration to which stream to send debugging output. More...

void	setParameter (const std::string &label, double value)

void	setParameter (std::string cmd)

std::string	Version ()
	Return version string. More...

	~GDCconfiguration ()
	destructor More...

Static Public Attributes
static const unsigned short	DETECT = 6

static const unsigned short	FIX = 24

static const unsigned short	GFDETECT = 4

static const unsigned short	GFFIX = 16

static const unsigned short	WLDETECT = 2

static const unsigned short	WLFIX = 8

Static Public Attributes inherited from gnsstk::SatPass
static const GNSSTK_EXPORT unsigned short	BAD = 0
	flag indicating bad data More...

static const GNSSTK_EXPORT unsigned short	LL1 = 2

static const GNSSTK_EXPORT unsigned short	LL2 = 4

static const GNSSTK_EXPORT unsigned short	LL3 = 6

static GNSSTK_EXPORT std::string	longfmt

static GNSSTK_EXPORT double	maxGap = 1800
	size of maximum time gap, in seconds, allowed within SatPass data. More...

static const GNSSTK_EXPORT unsigned short	OK = 1

static GNSSTK_EXPORT std::string	outFormat

static GNSSTK_EXPORT int	outRound = 3

Private Member Functions
double	cfg_func (string a)

Private Attributes
Stats< double >	GFPassStats
	stats on the first difference of GF after detectObviousSlips(GF) More...

map< string, int >	learn
	polynomial fit to the geometry-free range for the whole pass More...

list< Segment >	SegList

list< Slip >	SlipList
	list of Slips found; used to generate the editing commands on output More...

Stats< double >	WLPassStats
	temporary storage arrays, parallel to SatPass::data More...

Additional Inherited Members
Static Public Member Functions inherited from gnsstk::SatPass
static double	setMaxGap (double gap)

Protected Member Functions inherited from gnsstk::SatPass
int	countForTime (const Epoch &tt) const

struct SatPassData	getData (unsigned int i) const

void	init (const RinexSatID &sat, double dt, std::vector< std::string > obstypes)
	called by constructors to initialize - see doc for them. More...

int	pushBack (const Epoch tt, SatPassData &spd)

Protected Member Functions inherited from gnsstk::GDCconfiguration
void	initialize ()

Protected Attributes inherited from gnsstk::SatPass
double	dt
	Nominal time spacing of the data; determined on input or by decimate() More...

Epoch	firstTime

std::map< std::string, unsigned int >	indexForLabel

std::map< unsigned int, std::string >	labelForIndex

Epoch	lastTime

unsigned int	ngood
	number of timetags with good data in the data arrays. More...

RinexSatID	sat
	Satellite identifier for this data. More...

std::vector< SatPassData >	spdvector
	ALL data in the pass, stored in SatPassData objects, in time order. More...

int	Status

Protected Attributes inherited from gnsstk::GDCconfiguration
std::map< std::string, double >	CFG
	map containing configuration labels and their values More...

std::map< std::string, std::string >	CFGdescription
	map containing configuration labels and their descriptions More...

std::ostream *	p_oflog
	Stream on which to write debug output. More...

Static Protected Attributes inherited from gnsstk::GDCconfiguration
static const GNSSTK_EXPORT std::string	GDCVersion = string("6.3 12/15/2015")

Constructor & Destructor Documentation

◆ GDCPass()

GDCPass::GDCPass	(	SatPass &	sp,
		const GDCconfiguration &	gdc
	)

explicit

Definition at line 948 of file DiscCorr.cpp.

Member Function Documentation

◆ cfg_func()

double GDCPass::cfg_func ( string a )

inlineprivate

define this function so that invalid labels will throw, because this fails silently #define cfg(a) CFG[#a] // stringize

Exceptions

Exception

Definition at line 587 of file DiscCorr.cpp.

◆ createSegment()

list< Segment >::iterator GDCPass::createSegment	(	list< Segment >::iterator	sit,
		int	ibeg,
		string	msg = `string()`
	)

create a new segment from the given one, starting at index ibeg, and insert it after the given iterator. Return an iterator pointing to the new segment. String msg is for debug output

Exceptions

Exception

Definition at line 4299 of file DiscCorr.cpp.

◆ deleteSegment()

void GDCPass::deleteSegment	(	list< Segment >::iterator &	it,
		string	msg = `string()`
	)

delete (set all points bad) segment it, optional message is used in debug print

Exceptions

Exception

Definition at line 4493 of file DiscCorr.cpp.

◆ detectGFslips()

int GDCPass::detectGFslips ( )

detect slips in the geometry-free phase

Exceptions

Exception

Definition at line 2976 of file DiscCorr.cpp.

◆ detectGFsmallSlips()

int GDCPass::detectGFsmallSlips ( )

detect small slips in the geometry-free phase using its first difference compute statistics in two windows of fixed width on either side of the point of interest and use these to find slips and outliers

Exceptions

Exception

Definition at line 3178 of file DiscCorr.cpp.

◆ detectObviousSlips()

int GDCPass::detectObviousSlips ( string which )

detect obvious slips by computing the first difference (of either WL or GFP) and looking for outliers. create new segments where there are slips which is either 'WL' or 'GF'.

Exceptions

Exception

Definition at line 1349 of file DiscCorr.cpp.

◆ detectWLslips()

int GDCPass::detectWLslips ( )

detect slips in the wide lane bias

Exceptions

Exception

Definition at line 1246 of file DiscCorr.cpp.

◆ detectWLsmallSlips()

int GDCPass::detectWLsmallSlips ( )

detect slips in all segments using the results of WLstatSweep() if close to either end (< window width), just chop off the small segment when a slip is found, create a new segment also compute conventional stats for each Segment, store in Segment.WLStats

Exceptions

Exception

Definition at line 1943 of file DiscCorr.cpp.

◆ dumpSegments()

string GDCPass::dumpSegments	(	string	msg,
		int	level = `2`,
		bool	extra = `false`
	)

dump a list of the segments, detail dependent on level level=0 one line summary (number of segments) level=1 one per line list of segments level=2 dump all data, including (if extra) temporary arrays return the level 1 output as a string

Exceptions

Exception

Definition at line 4374 of file DiscCorr.cpp.

◆ EstimateGFslipFix()

long GDCPass::EstimateGFslipFix	(	list< Segment >::iterator &	left,
		list< Segment >::iterator &	right,
		unsigned int	nb,
		unsigned int	ne,
		long	n1
	)

estimate the size of the slip between segments left and right, using points from indexes nb to ne; n1 is the initial estimate of the slip called by GFslipFix()

Exceptions

Exception

Definition at line 2739 of file DiscCorr.cpp.

◆ finish()

string GDCPass::finish	(	int	iret,
		SatPass &	svp,
		vector< string > &	editCmds
	)

last call before returning: copy edited data back into caller's SatPass, generate editing commands, and print and return the final summary.

Exceptions

Exception

Definition at line 3862 of file DiscCorr.cpp.

◆ firstDifferences()

int GDCPass::firstDifferences ( string which )

compute first differences of data arrays for WL and GF gross slips detection. for WL difference the WLbias; for GF, the GFP and the residual GFP-GFR Store results in temporary array A1 and A2

Exceptions

Exception

Definition at line 1516 of file DiscCorr.cpp.

◆ fixAllSlips()

int GDCPass::fixAllSlips ( string which )

estimate slips in the WL bias and adjust biases appropriately - ie fix WL slips also compute stats for WL for the whole pass

Exceptions

Exception

Definition at line 2281 of file DiscCorr.cpp.

◆ fixOneSlip()

void GDCPass::fixOneSlip	(	list< Segment >::iterator &	kt,
		string	which
	)

fix the slip at the beginning of the segment pointed to by kt, which is the string 'WL' or 'GF'.

Exceptions

Exception

Definition at line 2393 of file DiscCorr.cpp.

◆ foundGFoutlier()

bool GDCPass::foundGFoutlier	(	int	i,
		int	inew,
		Stats< double > &	pastSt,
		Stats< double > &	futureSt
	)

determine if there is an outlier in the GF phase, using the GFP first difference and the statistics computed in detectGFsmallSlips(). Criteria:

adjacent first differences have different signs
they have approximately the same magnitude
that magnitude is large compared to the noise in the dGFP
Exceptions

Exception

Definition at line 3331 of file DiscCorr.cpp.

◆ foundGFsmallSlip()

bool GDCPass::foundGFsmallSlip	(	int	i,
		int	nseg,
		int	iend,
		int	ibeg,
		deque< int > &	pastIn,
		deque< int > &	futureIn,
		Stats< double > &	pastSt,
		Stats< double > &	futureSt
	)

determine if a small GF slip is found, using the first differenced gfp and statistics computed in detectGFsmallSlips() Criteria:

slip is non-trivial - at least one wavelength
the change in the average 1stDiff(GFP) across the slip is small
the slip itself is large compared to the average on either side
the slip itself is large compared to the noise Declare 'slips' that are very near the ends of the segment as outliers Conservatively, ignore small slips that are near the level of the noise, unless there was a WL slip at the same epoch.
Exceptions

Exception

Definition at line 3423 of file DiscCorr.cpp.

◆ foundWLsmallSlip()

bool GDCPass::foundWLsmallSlip	(	list< Segment >::iterator &	it,
		int	i
	)

determine if a slip has been found at index i, in segment nseg (0..) which is associated with it. conditions for a slip to be detected:

test must be >~ 0.67 wlwl
limit must be much smaller than test
slip must be far (>1/2 window) from either end
test must be at a local maximum (~ 2 window widths)
limit must be at a local minimum (") also, large limit (esp near end of a pass) means too much noise, and
Exceptions

Exception

Definition at line 2077 of file DiscCorr.cpp.

◆ GFphaseResiduals()

int GDCPass::GFphaseResiduals ( list< Segment >::iterator & it )

for each segment, fit a polynomial to the gfr, then compute and store the residual of fit; at the same time, compute stats on the first difference of GF

Exceptions

Exception

Definition at line 3077 of file DiscCorr.cpp.

◆ GFslipFix()

void GDCPass::GFslipFix	(	list< Segment >::iterator &	left,
		list< Segment >::iterator &	right
	)

fix the slip between segments pointed to by left and right

Exceptions

Exception

Definition at line 2567 of file DiscCorr.cpp.

◆ linearCombinations()

int GDCPass::linearCombinations ( )

compute linear combinations and place the result in the data arrays: L1 -> L1; L2 -> GFP(m) P1 -> WLB(cyc) P2 -> -GFR(m)

Exceptions

Exception

Definition at line 1171 of file DiscCorr.cpp.

◆ prepareGFdata()

int GDCPass::prepareGFdata ( )

fit a polynomial to the GF range, and replace P2 (-gfr) with the residual gfp+fit(gfr); divide both P1(gfp) and P2(residual) by wlgf to convert to cycles also place the residual gfp+gfr(cycles) in L1

Exceptions

Exception

Definition at line 2918 of file DiscCorr.cpp.

◆ preprocess()

int GDCPass::preprocess ( )

edit obvious outliers, divide into segments using MaxGap

Exceptions

Exception

Definition at line 984 of file DiscCorr.cpp.

◆ WLcomputeStats()

void GDCPass::WLcomputeStats ( list< Segment >::iterator & it )

for one segment, compute conventional statistics on the WL bias and count the number of good points

Exceptions

Exception

Definition at line 1588 of file DiscCorr.cpp.

◆ WLconsistencyCheck()

int GDCPass::WLconsistencyCheck ( )

final check on consistency of WL slip fixes with GF slip detection

Exceptions

Exception

Definition at line 3735 of file DiscCorr.cpp.

◆ WLsigmaStrip()

void GDCPass::WLsigmaStrip ( list< Segment >::iterator & it )

for one segment mark bad points that lie outside N*sigma delete segments that are too small

Exceptions

Exception

Definition at line 1632 of file DiscCorr.cpp.

◆ WLslipFix()

void GDCPass::WLslipFix	(	list< Segment >::iterator &	left,
		list< Segment >::iterator &	right
	)

fix the slip between segments pointed to by left and right

Exceptions

Exception

Definition at line 2485 of file DiscCorr.cpp.

◆ WLstatSweep()

int GDCPass::WLstatSweep	(	list< Segment >::iterator &	it,
		int	width
	)

for one segment, compute statistics on the WL bias using a 'two-paned sliding window', each pane of width 'width' good points. store the results in the parallel (to SatPass::data) arrays A1,A2.

Exceptions

Exception

Definition at line 1824 of file DiscCorr.cpp.

Member Data Documentation

◆ DETECT

const unsigned short GDCPass::DETECT = 6

static

Definition at line 405 of file DiscCorr.cpp.

◆ FIX

const unsigned short GDCPass::FIX = 24

static

Definition at line 406 of file DiscCorr.cpp.

◆ GFDETECT

const unsigned short GDCPass::GFDETECT = 4

static

Definition at line 409 of file DiscCorr.cpp.

◆ GFFIX

const unsigned short GDCPass::GFFIX = 16

static

Definition at line 410 of file DiscCorr.cpp.

◆ GFPassStats

Stats<double> GDCPass::GFPassStats

private

stats on the first difference of GF after detectObviousSlips(GF)

Definition at line 611 of file DiscCorr.cpp.

◆ learn

map<string, int> GDCPass::learn

private

polynomial fit to the geometry-free range for the whole pass

keep count of various results: slips, deletions, etc.; print to log in finish()

Definition at line 618 of file DiscCorr.cpp.

◆ SegList

list<Segment> GDCPass::SegList

private

list of Segments, always in time order, of segments of continuous data within the SVPass.

Definition at line 599 of file DiscCorr.cpp.

◆ SlipList

list<Slip> GDCPass::SlipList

private

list of Slips found; used to generate the editing commands on output

Definition at line 602 of file DiscCorr.cpp.

◆ WLDETECT

const unsigned short GDCPass::WLDETECT = 2

static

Definition at line 407 of file DiscCorr.cpp.

◆ WLFIX

const unsigned short GDCPass::WLFIX = 8

static

Definition at line 408 of file DiscCorr.cpp.

◆ WLPassStats

Stats<double> GDCPass::WLPassStats

private

temporary storage arrays, parallel to SatPass::data

stats on the WL bias after editing for the entire pass

Definition at line 608 of file DiscCorr.cpp.

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

DiscCorr.cpp

Detailed Description

Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ GDCPass()

Member Function Documentation

◆ cfg_func()

◆ createSegment()

◆ deleteSegment()

◆ detectGFslips()

◆ detectGFsmallSlips()

◆ detectObviousSlips()

◆ detectWLslips()

◆ detectWLsmallSlips()

◆ dumpSegments()

◆ EstimateGFslipFix()

◆ finish()

◆ firstDifferences()

◆ fixAllSlips()

◆ fixOneSlip()

◆ foundGFoutlier()

◆ foundGFsmallSlip()

◆ foundWLsmallSlip()

◆ GFphaseResiduals()

◆ GFslipFix()

◆ linearCombinations()

◆ prepareGFdata()

◆ preprocess()

◆ WLcomputeStats()

◆ WLconsistencyCheck()

◆ WLsigmaStrip()

◆ WLslipFix()

◆ WLstatSweep()

Member Data Documentation

◆ DETECT

◆ FIX

◆ GFDETECT

◆ GFFIX

◆ GFPassStats

◆ learn

◆ SegList

◆ SlipList

◆ WLDETECT

◆ WLFIX

◆ WLPassStats