Plot

Classes
class	Plot
	Wraps gnuplot to plot stock data. More...

Functions
	Plot::Plot ()
	Default constructor.
	Plot::Plot (std::string s, float time)
	Constructor.
static float	Plot::get_time_in_weeks ()
	Getter.
void	Plot::display () const
	Plot data for all stocks.
void	Plot::display (std::string const &s) const
	Plot data for a single stock.
void	Plot::setup_gnuplot (Gnuplot &g) const
	Setup options for gnuplot.
void	Plot::process_data (std::string &s) const
	Figure out which column to plot, comment out first row for gnuplot and remove all carriage returns.
void	Plot::get_first_datapoint (Gnuplot &g, std::string const &file_name) const
	Calculate furthest point back in time upto which to plot (time_in_weeks). The point is saved in a variable on the command line in gnuplot.
void	Plot::percentage_plot (Gnuplot &g, std::string const &file_name, const Plot_type type) const
	Plot data from time_in_weeks up until today. Oldest datapoint is normalized for all stocks.
void	Plot::set_function (std::string const &function)
	Set to daily / weekly / monthly data.
void	Plot::create_temp_file (std::string const &data, std::string const &file_name)
	Create a file to store stock data. Will be deleted at end of program.
void	Plot::cleanup () const
	Delete files storing stock data.
	Plot::~Plot ()
	Destructor cleans up temporaray files storing stock data.

Detailed Description

Function Documentation

cleanup()

void Plot::cleanup

(

)

const

Delete files storing stock data.

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create_temp_file()

void Plot::create_temp_file	(	std::string const &	data,
		std::string const &	file_name
	)

Create a file to store stock data. Will be deleted at end of program.

Parameters

data	Stock data
file_name	File name

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display() [1/2]

void Plot::display

(

)

const

Plot data for all stocks.

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display() [2/2]

void Plot::display

(

std::string const &

s

)

const

Plot data for a single stock.

Parameters

s	Stock name

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get_first_datapoint()

void Plot::get_first_datapoint	(	Gnuplot &	g,
		std::string const &	file_name
	)		const

Calculate furthest point back in time upto which to plot (time_in_weeks). The point is saved in a variable on the command line in gnuplot.

Parameters

g	Gnuplot object
file_name	File name containing data for a stock.

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get_time_in_weeks()

float Plot::get_time_in_weeks ( )

static

Getter.

Returns

time_in_weeks

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percentage_plot()

void Plot::percentage_plot	(	Gnuplot &	g,
		std::string const &	file_name,
		const Plot_type	type
	)		const

Plot data from time_in_weeks up until today. Oldest datapoint is normalized for all stocks.

Parameters

g	Gnuplot object
file_name	File name of data for a stock
type	First plot is created new, subsequent plots are redrawn on the first plot.

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Plot() [1/2]

Plot::Plot

(

)

Default constructor.

Plot() [2/2]

Plot::Plot	(	std::string	s,
		float	time
	)

Constructor.

Parameters

s	csv_column_name
time	time in weeks

process_data()

void Plot::process_data

(

std::string &

s

)

const

Figure out which column to plot, comment out first row for gnuplot and remove all carriage returns.

Parameters

s	Stock data from csv file

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set_function()

void Plot::set_function

(

std::string const &

function

)

Set to daily / weekly / monthly data.

Parameters

function

Daily / Weekly / Monthly

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setup_gnuplot()

void Plot::setup_gnuplot

(

Gnuplot &

g

)

const

Setup options for gnuplot.

Parameters

g	Gnuplot object

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~Plot()

Plot::~Plot

(

)

Destructor cleans up temporaray files storing stock data.

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