jplot

Class Contour

java.lang.Object

jplot.Contour

public class Contour
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
double	dx Size of step in X and Y, Z
double	dy Size of step in X and Y, Z
double	dz Size of step in X and Y, Z
boolean	noContours Boolean value if true Contours will not be calculated

Constructor Summary

Constructors

Constructor and Description
Contour(boolean bar, int nx, int ny, boolean gray, int n_levels)

Method Summary

Modifier and Type	Method and Description
void	calculateColors() Compute color levels
void	createGrid(double xmi, double xma, double ymi, double yma) Create a grid from a H2D histogram
void	createGrid(String f, double xmin, double xmax, double ymin, double ymax) Create a grid from a function
void	createGrid(Vector<PlotPoint> points, double xmin, double xmax, double ymin, double ymax) Create a grid from a points
void	drawColor(Graphics2D g2, double xmin, double xmax, double ymin, double ymax) Draw contour
void	drawColorBar(Graphics2D g2, Font f, int righmargin) Draw the contour
Color	findGrayColors(double zlevel) Compute gray colors
Color	findSpectrumColors(double zlevel) Compute spectrum colors
int	getBarWidth()
int[]	getDim() return the dimensions of the grid
int	getFullBarWidth() Get full bar width including the space and the text width
double[]	getGrid() Return the grid
double[]	getLevels() Return the contour levels.
double[]	getRange() Return the range of the grid
void	setBarWidth(int barWidth)
void	setContourColor(Color c) Set the contour's color.
void	setDataBackground(Color c) Set the background color for the data window.
void	setGraphBackground(Color c) Set the background color for the entire canvas.
void	setHistogram(H2D h) Set histogram and find all attributes
void	setLabelColor(Color c) Set the Color to be used with all the labels.
void	setLabelFont(Font f) Set the font to be used with All the labels
void	setLabelledContourColor(Color c) Set the labelled contour's color.
void	setLabelLevels(int i) Set the contour levels that are to have labels.
void	setLimitsToGrid(boolean b) If true the limits of the plot will be the grid limits.
void	setNLevels(int l) Set the number of contour levels.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

noContours

public boolean noContours

Boolean value if true Contours will not be calculated

dx

public double dx

Size of step in X and Y, Z

dy

public double dy

Size of step in X and Y, Z

dz

public double dz

Size of step in X and Y, Z

Constructor Detail

Contour

public Contour(boolean bar,
               int nx,
               int ny,
               boolean gray,
               int n_levels)

Method Detail

setHistogram

public void setHistogram(H2D h)

Set histogram and find all attributes

Parameters:

h -

findGrayColors

public Color findGrayColors(double zlevel)

Compute gray colors

Parameters:

zlevel - zlevel (between 0 and 1)

getBarWidth

public int getBarWidth()

setBarWidth

public void setBarWidth(int barWidth)

getFullBarWidth

public int getFullBarWidth()

Get full bar width including the space and the text width

Returns:

findSpectrumColors

public Color findSpectrumColors(double zlevel)

Compute spectrum colors

Parameters:

zlevel - zlevel (between 0 and 1)

calculateColors

public void calculateColors()

Compute color levels

getGrid

public double[] getGrid()

Return the grid

Returns:

An array of size nx by ny contining the data grid.

getDim

public int[] getDim()

return the dimensions of the grid

Returns:

An array containing the number of columns, number of rows.

drawColorBar

public void drawColorBar(Graphics2D g2,
                         Font f,
                         int righmargin)

Draw the contour

Parameters:

g2 -

drawColor

public void drawColor(Graphics2D g2,
                      double xmin,
                      double xmax,
                      double ymin,
                      double ymax)

Draw contour

Parameters:

g2 - Graphics

xmin - xmin in JAVA 2D coordinates

xmax -

ymin -

ymax -

createGrid

public void createGrid(String f,
                       double xmin,
                       double xmax,
                       double ymin,
                       double ymax)

Create a grid from a function

Parameters:

f - function name

xmin - Min X

xmax - Max X

ymin - Min Y

ymax - Max Y

nx - No of points in X

ny - No of points in Y

createGrid

public void createGrid(Vector<PlotPoint> points,
                       double xmin,
                       double xmax,
                       double ymin,
                       double ymax)

Create a grid from a points

Parameters:

point - Vector with points

xmin - Min X

xmax - Max X

ymin - Min Y

ymax - Max Y

nx - No of points in X

ny - No of points in Y

createGrid

public void createGrid(double xmi,
                       double xma,
                       double ymi,
                       double yma)

Create a grid from a H2D histogram

Parameters:

point - Vector with points

xmin - Min X

xmax - Max X

ymin - Min Y

ymax - Max Y

nx - No of points in X

ny - No of points in Y

setGraphBackground

public void setGraphBackground(Color c)

Set the background color for the entire canvas.

setDataBackground

public void setDataBackground(Color c)

Set the background color for the data window.

setNLevels

public void setNLevels(int l)

Set the number of contour levels.

setLimitsToGrid

public void setLimitsToGrid(boolean b)

If true the limits of the plot will be the grid limits. If false the limits of the plot will be the contours.

Parameters:

b - boolean

setLabelLevels

public void setLabelLevels(int i)

Set the contour levels that are to have labels.

      if 0 no labels are drawn
      if 1 every level gets a label
      If 2 every 2nd level gets a label
      etc.
 

getRange

public double[] getRange()

Return the range of the grid

Returns:

An array contining xmin,xmax,ymin,ymax.

setLabelFont

public void setLabelFont(Font f)

Set the font to be used with All the labels

Parameters:

f - Font

setLabelColor

public void setLabelColor(Color c)

Set the Color to be used with all the labels.

Parameters:

c - Color

setContourColor

public void setContourColor(Color c)

Set the contour's color.

Parameters:

c - Color

setLabelledContourColor

public void setLabelledContourColor(Color c)

Set the labelled contour's color.

Parameters:

c - Color

getLevels

public double[] getLevels()

Return the contour levels.

Returns:

An array containing the contour levels