Example usage for org.jfree.data.statistics SimpleHistogramDataset clearObservations

Introduction

In this page you can find the example usage for org.jfree.data.statistics SimpleHistogramDataset clearObservations.

Prototype

public void clearObservations() 

Source Link

Document

Removes all current observation data and sends a DatasetChangeEvent to all registered listeners.

Usage

From source file:org.jfree.data.statistics.SimpleHistogramDatasetTest.java

/**
 * Some checks for the clearObservations() method.
 *//*from  ww  w.  j  a  v  a 2  s .c  o m*/
@Test
public void testClearObservations() {
    SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");
    d1.clearObservations();
    assertEquals(0, d1.getItemCount(0));
    d1.addBin(new SimpleHistogramBin(0.0, 1.0));
    d1.addObservation(0.5);
    assertEquals(1.0, d1.getYValue(0, 0), EPSILON);
}

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