RangePolicyMinimumViewport (JChart2D API documentation, Version 3.2.2)

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java.lang.Object
- info.monitorenter.gui.chart.rangepolicies.ARangePolicy
- - info.monitorenter.gui.chart.rangepolicies.RangePolicyMinimumViewport

All Implemented Interfaces:

IRangePolicy, java.io.Serializable

Direct Known Subclasses:

RangePolicyForcedPoint
```
public class RangePolicyMinimumViewport
extends ARangePolicy
```
A IRangePolicy implementation that guarantees a minimum displayed range (viewport) but will stretch if values of the corresponding Chart2D exceeds these constructor given bounds.
To sum up the policy of this implementation this IRangePolicy
1. Guarantees to always display the constructor given range.
2. Guarantees to always display every value within the Chart2D (every TracePoint2D of the chart's ITrace2D instances).
Version:

$Revision: 1.6 $

Author:

Achim Westermann

See Also:

Serialized Form

Field Summary
- Fields inherited from class info.monitorenter.gui.chart.rangepolicies.ARangePolicy
  m_propertyChangeSupport
- Fields inherited from interface info.monitorenter.gui.chart.IRangePolicy
  PROPERTY_RANGE, PROPERTY_RANGE_MAX, PROPERTY_RANGE_MIN

Constructor Summary

Constructors
Constructor Description

RangePolicyMinimumViewport(Range range)
Constructs an instance that will always ensure that the given range will be displayed.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getMax(double chartMin, double chartMax)`	Returns the maximum of the chart or of the internal range if greater.
`double`	`getMin(double chartMin, double chartMax)`	Define the lower bound of the Chart2D's value range.

Methods inherited from class info.monitorenter.gui.chart.rangepolicies.ARangePolicy
addPropertyChangeListener, equals, firePropertyChange, getPropertyChangeListeners, getRange, hashCode, removePropertyChangeListener, removePropertyChangeListener, setRange

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RangePolicyMinimumViewport
```
public RangePolicyMinimumViewport(Range range)
```
    Constructs an instance that will always ensure that the given range will be displayed.
    
    Parameters:
    
    range - the range that always should be visible.
- Method Detail
  - getMax
```
public double getMax(double chartMin,
                     double chartMax)
```
    Returns the maximum of the chart or of the internal range if greater.
    
    Parameters:
    
    chartMin - ignored.
    
    chartMax - returned if greater than the value of the internal range.
    
    Returns:
    
    Math.max(this.range.getMax(), chartMax).
    
    See Also:
    
    IRangePolicy.getMax(double, double)
  - getMin
```
public double getMin(double chartMin,
                     double chartMax)
```
    Description copied from interface: IRangePolicy
    
    Define the lower bound of the Chart2D's value range. Depends on the AAxis this instance is bound to.
    
    Parameters:
    
    chartMin - the minimum value of the connected Chart2D that may / should be taken into account.
    
    chartMax - the maximum value of the connected Chart2D that may / should be taken into account.
    
    Returns:
    
    the minimum value (lower bound) for the Chart2D to display.
    
    See Also:
    
    IRangePolicy.getMin(double, double)

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