jcckit.plot
Class CartesianCoordinateSystem

java.lang.Object
  jcckit.plot.CartesianCoordinateSystem

All Implemented Interfaces:

CoordinateSystem

public class CartesianCoordinateSystem

extends java.lang.Object

implements CoordinateSystem

A Cartesian coordinate system. One or both axes can be logarithmic.

Author:

Franz-Josef Elmer

Field Summary

static java.lang.String	ORIGIN_KEY Configuration parameter key.
static java.lang.String	X_AXIS_KEY Configuration parameter key.
static java.lang.String	Y_AXIS_KEY Configuration parameter key.

Constructor Summary

CartesianCoordinateSystem(ConfigParameters config)
Creates an instance from the specified configuration parameters.

CartesianCoordinateSystem(GraphPoint origin, AxisParameters xAxisParameters, AxisParameters yAxisParameters)
Creates an instance for the specified origin and parameters of both axes.

Method Summary

ClippingShape	getClippingShape() Returns the clipping rectangle of specified by the axis.
Transformation	getTransformation() Returns the transformation of data coordinates into the device-independent coordinates of the axis box.
GraphicalElement	getView() Returns the graphical representation of the coordinate system.

Methods inherited from class java.lang.Object

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

Field Detail

ORIGIN_KEY

public static final java.lang.String ORIGIN_KEY

Configuration parameter key.

See Also:

Constant Field Values

X_AXIS_KEY

public static final java.lang.String X_AXIS_KEY

Configuration parameter key.

See Also:

Constant Field Values

Y_AXIS_KEY

public static final java.lang.String Y_AXIS_KEY

Configuration parameter key.

See Also:

Constant Field Values

Constructor Detail

CartesianCoordinateSystem

public CartesianCoordinateSystem(ConfigParameters config)

Creates an instance from the specified configuration parameters.

Key & Default Value	Type	Mandatory	Description
origin = 0.15, 0.1	double[]	no	Position (in device-independent coordinates) of the lower-left corner of the axis box.
xAxis	ConfigParameters	no	Parameters defining the x-axis. For definitions and default values see AxisParameters.createXAxis().
yAxis	ConfigParameters	no	Parameters defining the y-axis. For definitions and default values see AxisParameters.createYAxis().

CartesianCoordinateSystem

public CartesianCoordinateSystem(GraphPoint origin,
                                 AxisParameters xAxisParameters,
                                 AxisParameters yAxisParameters)

Creates an instance for the specified origin and parameters of both axes.

Parameters:

origin - Position (in device-independent coordinates) of the lower-left corner of the axis box.

xAxisParameters - Parameters of the x-axis.

yAxisParameters - Parameters of the y-axis.

Method Detail

getView

public GraphicalElement getView()

Returns the graphical representation of the coordinate system. In each call the same instance is returned.

Specified by:

getView in interface CoordinateSystem

getClippingShape

public ClippingShape getClippingShape()

Returns the clipping rectangle of specified by the axis. In each call the same instance is returned.

Specified by:

getClippingShape in interface CoordinateSystem

getTransformation

public Transformation getTransformation()

Returns the transformation of data coordinates into the device-independent coordinates of the axis box. In each call the same instance is returned.

Specified by:

getTransformation in interface CoordinateSystem