Example usage for org.jfree.data.xy DefaultTableXYDataset getStartXValue

Introduction

In this page you can find the example usage for org.jfree.data.xy DefaultTableXYDataset getStartXValue.

Prototype

@Override
public double getStartXValue(int series, int item) 

Source Link

Document

Returns the start x-value (as a double primitive) for an item within a series.

Usage

From source file:org.jfree.data.xy.DefaultTableXYDatasetTest.java

/**
 * This is a test for bug 1312066 - adding a new series should trigger a
 * recalculation of the interval width, if it is being automatically
 * calculated./*from   www  .ja v  a 2 s  .  c  om*/
 */
@Test
public void testAddSeries() {
    DefaultTableXYDataset d1 = new DefaultTableXYDataset();
    d1.setAutoWidth(true);
    XYSeries s1 = new XYSeries("Series 1", true, false);
    s1.add(3.0, 1.1);
    s1.add(7.0, 2.2);
    d1.addSeries(s1);
    assertEquals(3.0, d1.getXValue(0, 0), EPSILON);
    assertEquals(7.0, d1.getXValue(0, 1), EPSILON);
    assertEquals(1.0, d1.getStartXValue(0, 0), EPSILON);
    assertEquals(5.0, d1.getStartXValue(0, 1), EPSILON);
    assertEquals(5.0, d1.getEndXValue(0, 0), EPSILON);
    assertEquals(9.0, d1.getEndXValue(0, 1), EPSILON);

    // now add another series
    XYSeries s2 = new XYSeries("Series 2", true, false);
    s2.add(7.5, 1.1);
    s2.add(9.0, 2.2);
    d1.addSeries(s2);

    assertEquals(3.0, d1.getXValue(1, 0), EPSILON);
    assertEquals(7.0, d1.getXValue(1, 1), EPSILON);
    assertEquals(7.5, d1.getXValue(1, 2), EPSILON);
    assertEquals(9.0, d1.getXValue(1, 3), EPSILON);

    assertEquals(7.25, d1.getStartXValue(1, 2), EPSILON);
    assertEquals(8.75, d1.getStartXValue(1, 3), EPSILON);
    assertEquals(7.75, d1.getEndXValue(1, 2), EPSILON);
    assertEquals(9.25, d1.getEndXValue(1, 3), EPSILON);

    // and check the first series too...
    assertEquals(2.75, d1.getStartXValue(0, 0), EPSILON);
    assertEquals(6.75, d1.getStartXValue(0, 1), EPSILON);
    assertEquals(3.25, d1.getEndXValue(0, 0), EPSILON);
    assertEquals(7.25, d1.getEndXValue(0, 1), EPSILON);
}

---

From source file:org.jfree.data.xy.junit.DefaultTableXYDatasetTest.java

/**
 * This is a test for bug 1312066 - adding a new series should trigger a
 * recalculation of the interval width, if it is being automatically
 * calculated./*w ww . jav a  2 s . c  om*/
 */
public void testAddSeries() {
    DefaultTableXYDataset d1 = new DefaultTableXYDataset();
    d1.setAutoWidth(true);
    XYSeries s1 = new XYSeries("Series 1", true, false);
    s1.add(3.0, 1.1);
    s1.add(7.0, 2.2);
    d1.addSeries(s1);
    assertEquals(3.0, d1.getXValue(0, 0), EPSILON);
    assertEquals(7.0, d1.getXValue(0, 1), EPSILON);
    assertEquals(1.0, d1.getStartXValue(0, 0), EPSILON);
    assertEquals(5.0, d1.getStartXValue(0, 1), EPSILON);
    assertEquals(5.0, d1.getEndXValue(0, 0), EPSILON);
    assertEquals(9.0, d1.getEndXValue(0, 1), EPSILON);

    // now add another series
    XYSeries s2 = new XYSeries("Series 2", true, false);
    s2.add(7.5, 1.1);
    s2.add(9.0, 2.2);
    d1.addSeries(s2);

    assertEquals(3.0, d1.getXValue(1, 0), EPSILON);
    assertEquals(7.0, d1.getXValue(1, 1), EPSILON);
    assertEquals(7.5, d1.getXValue(1, 2), EPSILON);
    assertEquals(9.0, d1.getXValue(1, 3), EPSILON);

    assertEquals(7.25, d1.getStartXValue(1, 2), EPSILON);
    assertEquals(8.75, d1.getStartXValue(1, 3), EPSILON);
    assertEquals(7.75, d1.getEndXValue(1, 2), EPSILON);
    assertEquals(9.25, d1.getEndXValue(1, 3), EPSILON);

    // and check the first series too...
    assertEquals(2.75, d1.getStartXValue(0, 0), EPSILON);
    assertEquals(6.75, d1.getStartXValue(0, 1), EPSILON);
    assertEquals(3.25, d1.getEndXValue(0, 0), EPSILON);
    assertEquals(7.25, d1.getEndXValue(0, 1), EPSILON);
}

---