pisgah
Class GraphMethods

java.lang.Object
  |
  +--pisgah.GraphMethods

public class GraphMethods

extends java.lang.Object

static methods for graph classes

Field Summary

static int	HIGH
static int	HORIZONTAL
static int	LOW
static int	VERTICAL

Constructor Summary

GraphMethods()

Method Summary

static void	paintScale(java.awt.Graphics g, int scalePosition, float[] grid, int direction, double lowValue, double highValue, int offset, int graphSize, java.awt.Color scaleColor, java.awt.Font f, java.awt.Color fontColor, boolean labelAxes, java.lang.String axisLabel)
protected static int	scale(double value, double lowValue, double highValue, int direction, int offset, int graphSize)
static float[]	setGrid(float lowValue, float highValue) try to find nice grid values for axes
static int	setMaxFractionDigits(double max, double min) try to determine a reasonable number of decimal places to show in labels

Methods inherited from class java.lang.Object

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

Field Detail

HORIZONTAL

public static final int HORIZONTAL

See Also:

Constant Field Values

VERTICAL

public static final int VERTICAL

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Constant Field Values

LOW

public static final int LOW

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Constant Field Values

HIGH

public static final int HIGH

See Also:

Constant Field Values

Constructor Detail

GraphMethods

public GraphMethods()

Method Detail

setMaxFractionDigits

public static int setMaxFractionDigits(double max,
                                       double min)

try to determine a reasonable number of decimal places to show in labels

setGrid

public static float[] setGrid(float lowValue,
                              float highValue)

try to find nice grid values for axes

Parameters:

lowValue - is the lower endpoint of the scale

highValue - is the upper endpoint of the scale

paintScale

public static void paintScale(java.awt.Graphics g,
                              int scalePosition,
                              float[] grid,
                              int direction,
                              double lowValue,
                              double highValue,
                              int offset,
                              int graphSize,
                              java.awt.Color scaleColor,
                              java.awt.Font f,
                              java.awt.Color fontColor,
                              boolean labelAxes,
                              java.lang.String axisLabel)

scale

protected static int scale(double value,
                           double lowValue,
                           double highValue,
                           int direction,
                           int offset,
                           int graphSize)