Example usage for org.jfree.data.general DefaultHeatMapDataset setZValue

Introduction

In this page you can find the example usage for org.jfree.data.general DefaultHeatMapDataset setZValue.

Prototype

public void setZValue(int xIndex, int yIndex, double z, boolean notify) 

Source Link

Document

Updates a z-value in the dataset and, if requested, sends a DatasetChangeEvent to all registered listeners.

Usage

From source file:org.jfree.data.general.DefaultHeatMapDatasetTest.java

/**
 * Some general tests.// www .ja  v  a 2s  .  co  m
 */
@Test
public void testGeneral() {
    DefaultHeatMapDataset d = new DefaultHeatMapDataset(10, 5, 0.0, 9.0, 0.0, 5.0);
    assertEquals(10, d.getXSampleCount());
    assertEquals(5, d.getYSampleCount());
    assertEquals(0.0, d.getMinimumXValue(), EPSILON);
    assertEquals(9.0, d.getMaximumXValue(), EPSILON);
    assertEquals(0.0, d.getMinimumYValue(), EPSILON);
    assertEquals(5.0, d.getMaximumYValue(), EPSILON);
    assertEquals(0.0, d.getZValue(0, 0), EPSILON);
    d.addChangeListener(this);
    d.setZValue(0, 0, 1.0, false);
    assertEquals(1.0, d.getZValue(0, 0), EPSILON);
    assertNull(this.lastEvent);
    d.setZValue(1, 2, 2.0);
    assertEquals(2.0, d.getZValue(1, 2), EPSILON);
    assertNotNull(this.lastEvent);
}

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