This class plots vectors and streamlines from U and V grids. More...

#include "../include/VectPlot.h"

Public Types
enum	Type { VECTOR , BARB , STREAM }

Public Member Functions
	VectPlot ()

	VectPlot (const char *param)

int	init ()

int	setParam (const char *param)

int	setColorTable (const char *str)

int	setColorFill (const char *str)

int	setColor (const char *str)

int	setSkip (int x, int y)

int	setSkip (int val)

int	setInterval (float val)

int	setBase (float val)

int	setMagnitude (float val)

int	setDensity (int val)

int	setScale (float val)

int	setArrowScale (float val)

int	getType ()

int	setType (const char *str)

int	setType (int rtype)

float	getMax ()

int	drawLabels (Plot &plot, Grid &grid)

int	draw (Plot &plot, Grid &ugrid, Grid &vgrid)

int	drawStreamline (Plot &plot, Grid &ugrid, Grid &vgrid, int i, int j, float length)

int	drawBar (Plot &plot, const char *locate)

int	drawVect (Plot &plot, const char *locate)

Detailed Description

This class plots vectors and streamlines from U and V grids.

Author: Dan Vietor

Member Enumeration Documentation

◆ Type

enum WXP::VectPlot::Type

Vector plot type

Enumerator
VECTOR	Wind vectors
BARB	Wind barbs
STREAM	Streamlines

Constructor & Destructor Documentation

◆ VectPlot() [1/2]

VectPlot::VectPlot ( )

Constructor

References init().

◆ VectPlot() [2/2]

VectPlot::VectPlot ( const char * param )

Constructor

Parameters

param The parameters to initialize the object

References init(), and setParam().

Member Function Documentation

◆ draw()

int VectPlot::draw	(	Plot &	plot,
		Grid &	ugrid,
		Grid &	vgrid
	)

Draws vectors

Parameters

plot	The plot object
ugrid	The U component grid
vgrid	The V component grid

References BARB, WXP::WindPlot::drawBarb(), drawStreamline(), WXP::WindPlot::drawVect(), WXP::String::get(), WXP::Plot::getColorMap(), WXP::Grid::getDomain(), WXP::Grid::getDx(), WXP::Grid::getNx(), WXP::Grid::getNy(), WXP::Wind::getSpd(), WXP::Grid::getValue(), WXP::GridMath::isDomainEqual(), WXP::GridMath::maxSpd(), WXP::Const::MISS, WXP::Wxp::outDebug(), WXP::ColorFile::read(), WXP::GridPoint::set(), WXP::Plot::setColorMap(), WXP::Plot::setFill(), WXP::Plot::setLine(), WXP::Wind::setSpd(), WXP::Wind::setVect(), STREAM, WXP::Grid::tran(), WXP::String::valid(), and VECTOR.

Referenced by drawVect().

◆ drawBar()

int VectPlot::drawBar	(	Plot &	plot,
		const char *	locate
	)

Draws the color bar legend. Only useful when coloring vectors based on speed.

Parameters

plot	Plot object
locate	Location of bar (ll, lr)

◆ drawLabels()

int VectPlot::drawLabels	(	Plot &	plot,
		Grid &	grid
	)

Draws the label annotations

Parameters

plot	The plot object
grid	The grid to extract labels

References WXP::Plot::addLabel(), WXP::Date::addSeconds(), WXP::StrLib::append(), BARB, WXP::StrLib::clear(), WXP::String::get(), WXP::VarName::get(), WXP::Grid::getDatim(), WXP::Grid::getForeSeconds(), WXP::Grid::getForeTime(), WXP::Grid::getLevel(), WXP::Variable::setUnits(), STREAM, WXP::Level::toLabel(), WXP::Variable::toLabel(), WXP::ForeTime::toVarLabel(), WXP::String::valid(), and VECTOR.

◆ drawStreamline()

int VectPlot::drawStreamline	(	Plot &	plot,
		Grid &	ugrid,
		Grid &	vgrid,
		int	i,
		int	j,
		float	length
	)

Draws a streamline starting at a specific point and continuing to either the edge of the grid, a box has too many streamlines or length has been exceeded.

Parameters

plot	The plot object
ugrid	The U component grid
vgrid	The V component grid
i	I gridpoint to start streamline
j	J gridpoint to start streamline
length	Maximum length of streamline

References WXP::WindPlot::drawVect(), WXP::String::get(), WXP::Grid::getDx(), WXP::Grid::getNx(), WXP::Grid::getNy(), WXP::Grid::getValue(), WXP::Const::MISS, WXP::Const::RDC, WXP::Wind::set(), WXP::GridPoint::set(), WXP::EarthPoint::set(), WXP::Plot::setLine(), WXP::Grid::tran(), WXP::String::valid(), WXP::Point::x, and WXP::Point::y.

Referenced by draw().

◆ drawVect()

int VectPlot::drawVect	(	Plot &	plot,
		const char *	loc
	)

Draws a scaling vector in label area (lower right of plot)

Parameters

plot	The plot object
loc	Where to plot it (lr)

References draw(), WXP::Plot::drawFormText(), WXP::WindPlot::drawVect(), WXP::StrLib::equal(), WXP::String::get(), WXP::Const::MISS, WXP::Point::offset(), WXP::Wind::set(), WXP::Point::set(), WXP::Plot::setText(), WXP::Rect::xmax, WXP::Rect::xmin, WXP::Rect::ymax, and WXP::Rect::ymin.

◆ getMax()

float WXP::VectPlot::getMax ( )

inline

Returns the maximum wind of the current plot

◆ getType()

int WXP::VectPlot::getType ( )

inline

Returns the plot type

◆ init()

int VectPlot::init ( )

Initializes the object

References WXP::Const::MISS, setBase(), setColor(), setColorFill(), setInterval(), setMagnitude(), setParam(), setType(), and VECTOR.

Referenced by WXP::GridVect::init(), and VectPlot().

◆ setArrowScale()

int VectPlot::setArrowScale ( float val )

Sets the arrow scaling factor.

Parameters

val	Arrow scale factor

Referenced by setParam().

◆ setBase()

int VectPlot::setBase ( float val )

Sets the vector coloring base value.

Parameters

val	Coloring base

Referenced by init(), and setParam().

◆ setColor()

int VectPlot::setColor ( const char * str )

Sets the color for the vectors

Parameters

str	Color string

References WXP::String::set().

Referenced by init(), and setParam().

◆ setColorFill()

int VectPlot::setColorFill ( const char * str )

Sets the color fill parameters. Used to set colors for vectors.

Parameters

str	Color fill string

References WXP::String::set().

Referenced by init(), WXP::GridVect::setColorFill(), and setParam().

◆ setColorTable()

int VectPlot::setColorTable ( const char * str )

Sets the color table parameters

Parameters

str	Color table string

References WXP::String::set().

Referenced by WXP::GridVect::setColorTable(), and setParam().

◆ setDensity()

int VectPlot::setDensity ( int val )

Sets the streamline density. This is the number of streamlines that can pass through a grid box.

Parameters

val	Skip factor

Referenced by setParam().

◆ setInterval()

int VectPlot::setInterval ( float val )

Sets the vector coloring interval. If set, vectors and streamlines will be colored based on speed.

Parameters

val	Color interval

Referenced by init(), and setParam().

◆ setMagnitude()

int VectPlot::setMagnitude ( float val )

Sets the vector vect_mag. Used to lock a certain speed to vector size

Parameters

val Magnitude

Referenced by init(), and setParam().

◆ setParam()

int VectPlot::setParam ( const char * str )

Sets the object parameters

Parameters

str Parameter string
vect - Plot vectors
barb - Plot wind barbs
stream - Plot streamlines
strm - Plot streamlines
ct=file - Color table file
cof=colors - Color fill values
co=color - Vector colors
sk=## - The skip between grid boxes
ci=## - The interval to color vectors and streamlines
ba=## - The color base value
cb=## - The color base value
sp=## - The magnitude to scale vectors to
de=## - The streamline density
sc=## - The vector scale factor
sa=## - The scale factor for arrows

References BARB, WXP::Strings::equal(), WXP::Strings::getNum(), WXP::Strings::getString(), setArrowScale(), setBase(), setColor(), setColorFill(), setColorTable(), setDensity(), setInterval(), setMagnitude(), setScale(), setSkip(), STREAM, and VECTOR.

Referenced by init(), WXP::GridVect::setParam(), and VectPlot().

◆ setScale()

int VectPlot::setScale ( float val )

Sets the vector scaling factor.

Parameters

val	Scale factor

Referenced by setParam().

◆ setSkip() [1/2]

int VectPlot::setSkip ( int val )

Sets the vector skip. Used to thin out vectors in dense grids

Parameters

val	Skip factor

◆ setSkip() [2/2]

int VectPlot::setSkip	(	int	x,
		int	y
	)

Sets the vector skip. Used to thin out vectors in dense grids

Parameters

x	X skip factor
y	Y skip factor

Referenced by setParam().

◆ setType() [1/2]

int VectPlot::setType ( const char * str )

Sets the type of vector plot

Parameters

str	Type (vect, barb, stream)

References BARB, WXP::StrLib::equal(), STREAM, and VECTOR.

Referenced by init().

◆ setType() [2/2]

int WXP::VectPlot::setType ( int rtype )

inline

Set the plot type

See also: Type

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

VectPlot.h
VectPlot.cc

Public Types

Public Member Functions

Detailed Description

Member Enumeration Documentation

◆ Type

Constructor & Destructor Documentation

◆ VectPlot() [1/2]

◆ VectPlot() [2/2]

Member Function Documentation

◆ draw()

◆ drawBar()

◆ drawLabels()

◆ drawStreamline()

◆ drawVect()

◆ getMax()

◆ getType()

◆ init()

◆ setArrowScale()

◆ setBase()

◆ setColor()

◆ setColorFill()

◆ setColorTable()

◆ setDensity()

◆ setInterval()

◆ setMagnitude()

◆ setParam()

◆ setScale()

◆ setSkip() [1/2]

◆ setSkip() [2/2]

◆ setType() [1/2]

◆ setType() [2/2]