Examples with ScatterDataSet com.github.mikephil.charting.data.ScatterDataSet used on opensource projects

Example 1 with ScatterDataSet

use of com.github.mikephil.charting.data.ScatterDataSet in project MPAndroidChart by PhilJay.

the class CombinedChartActivity method generateScatterData.

protected ScatterData generateScatterData() {
    ScatterData d = new ScatterData();
    ArrayList<Entry> entries = new ArrayList<Entry>();
    for (float index = 0; index < itemcount; index += 0.5f) entries.add(new Entry(index + 0.25f, getRandom(10, 55)));
    ScatterDataSet set = new ScatterDataSet(entries, "Scatter DataSet");
    set.setColors(ColorTemplate.MATERIAL_COLORS);
    set.setScatterShapeSize(7.5f);
    set.setDrawValues(false);
    set.setValueTextSize(10f);
    d.addDataSet(set);
    return d;
}

Example 2 with ScatterDataSet

use of com.github.mikephil.charting.data.ScatterDataSet in project MPAndroidChart by PhilJay.

the class ChartDataTest method testDynamicChartData.

@Test
public void testDynamicChartData() {
    List<Entry> entries1 = new ArrayList<Entry>();
    entries1.add(new Entry(10, 10));
    entries1.add(new Entry(15, -2));
    entries1.add(new Entry(21, 50));
    ScatterDataSet set1 = new ScatterDataSet(entries1, "");
    List<Entry> entries2 = new ArrayList<Entry>();
    entries2.add(new Entry(-1, 10));
    entries2.add(new Entry(10, 2));
    entries2.add(new Entry(20, 5));
    ScatterDataSet set2 = new ScatterDataSet(entries2, "");
    ScatterData data = new ScatterData(set1, set2);
    assertEquals(-2, data.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(50f, data.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(6, data.getEntryCount());
    assertEquals(-1f, data.getXMin(), 0.01f);
    assertEquals(21f, data.getXMax(), 0.01f);
    assertEquals(-2f, data.getYMin(), 0.01f);
    assertEquals(50f, data.getYMax(), 0.01f);
    assertEquals(3, data.getMaxEntryCountSet().getEntryCount());
    // now add and remove values
    data.addEntry(new Entry(-10, -10), 0);
    assertEquals(set1, data.getMaxEntryCountSet());
    assertEquals(4, data.getMaxEntryCountSet().getEntryCount());
    assertEquals(-10f, data.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(50f, data.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-10f, data.getXMin(), 0.01f);
    assertEquals(21f, data.getXMax(), 0.01f);
    assertEquals(-10f, data.getYMin(), 0.01f);
    assertEquals(50f, data.getYMax(), 0.01f);
    data.addEntry(new Entry(-100, 100), 0);
    data.addEntry(new Entry(0, -100), 0);
    assertEquals(-100f, data.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(100f, data.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    // right axis will adapt left axis values if no right axis values are present
    assertEquals(-100, data.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(100f, data.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    List<Entry> entries3 = new ArrayList<Entry>();
    entries3.add(new Entry(0, 200));
    entries3.add(new Entry(0, -50));
    ScatterDataSet set3 = new ScatterDataSet(entries3, "");
    set3.setAxisDependency(YAxis.AxisDependency.RIGHT);
    data.addDataSet(set3);
    assertEquals(3, data.getDataSetCount());
    assertEquals(-100f, data.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(100f, data.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-50f, data.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(200f, data.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    LineData lineData = new LineData();
    assertEquals(Float.MAX_VALUE, lineData.getYMin(), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(), 0.01f);
    assertEquals(Float.MAX_VALUE, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(Float.MAX_VALUE, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(0, lineData.getDataSetCount());
    List<Entry> lineEntries1 = new ArrayList<Entry>();
    lineEntries1.add(new Entry(10, 90));
    lineEntries1.add(new Entry(1000, 1000));
    LineDataSet lineSet1 = new LineDataSet(lineEntries1, "");
    lineData.addDataSet(lineSet1);
    assertEquals(1, lineData.getDataSetCount());
    assertEquals(2, lineSet1.getEntryCount());
    assertEquals(2, lineData.getEntryCount());
    assertEquals(10, lineData.getXMin(), 0.01f);
    assertEquals(1000f, lineData.getXMax(), 0.01f);
    assertEquals(90, lineData.getYMin(), 0.01f);
    assertEquals(1000, lineData.getYMax(), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(1000f, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(1000, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    List<Entry> lineEntries2 = new ArrayList<Entry>();
    lineEntries2.add(new Entry(-1000, 2000));
    lineEntries2.add(new Entry(2000, -3000));
    Entry e = new Entry(-1000, 2500);
    lineEntries2.add(e);
    LineDataSet lineSet2 = new LineDataSet(lineEntries2, "");
    lineSet2.setAxisDependency(YAxis.AxisDependency.RIGHT);
    lineData.addDataSet(lineSet2);
    assertEquals(2, lineData.getDataSetCount());
    assertEquals(3, lineSet2.getEntryCount());
    assertEquals(5, lineData.getEntryCount());
    assertEquals(-1000, lineData.getXMin(), 0.01f);
    assertEquals(2000, lineData.getXMax(), 0.01f);
    assertEquals(-3000, lineData.getYMin(), 0.01f);
    assertEquals(2500, lineData.getYMax(), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(1000f, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-3000, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(2500, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    assertTrue(lineData.removeEntry(e, 1));
    assertEquals(-1000, lineData.getXMin(), 0.01f);
    assertEquals(2000, lineData.getXMax(), 0.01f);
    assertEquals(-3000, lineData.getYMin(), 0.01f);
    assertEquals(2000, lineData.getYMax(), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(1000f, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-3000, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(2000, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(2, lineData.getDataSetCount());
    assertTrue(lineData.removeDataSet(lineSet2));
    assertEquals(1, lineData.getDataSetCount());
    assertEquals(10, lineData.getXMin(), 0.01f);
    assertEquals(1000, lineData.getXMax(), 0.01f);
    assertEquals(90, lineData.getYMin(), 0.01f);
    assertEquals(1000, lineData.getYMax(), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(1000f, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(90, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(1000, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    assertTrue(lineData.removeDataSet(lineSet1));
    assertEquals(0, lineData.getDataSetCount());
    assertEquals(Float.MAX_VALUE, lineData.getXMin(), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getXMax(), 0.01f);
    assertEquals(Float.MAX_VALUE, lineData.getYMin(), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(), 0.01f);
    assertEquals(Float.MAX_VALUE, lineData.getYMin(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(YAxis.AxisDependency.LEFT), 0.01f);
    assertEquals(Float.MAX_VALUE, lineData.getYMin(YAxis.AxisDependency.RIGHT), 0.01f);
    assertEquals(-Float.MAX_VALUE, lineData.getYMax(YAxis.AxisDependency.RIGHT), 0.01f);
    assertFalse(lineData.removeDataSet(lineSet1));
    assertFalse(lineData.removeDataSet(lineSet2));
}

Example 3 with ScatterDataSet

use of com.github.mikephil.charting.data.ScatterDataSet in project MPAndroidChart by PhilJay.

the class DataSetTest method testAddRemoveEntry.

@Test
public void testAddRemoveEntry() {
    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 2));
    entries.add(new Entry(21, 5));
    ScatterDataSet set = new ScatterDataSet(entries, "");
    assertEquals(3, set.getEntryCount());
    set.addEntryOrdered(new Entry(5, 1));
    assertEquals(4, set.getEntryCount());
    assertEquals(5, set.getXMin(), 0.01f);
    assertEquals(21, set.getXMax(), 0.01f);
    assertEquals(1f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);
    assertEquals(5, set.getEntryForIndex(0).getX(), 0.01f);
    assertEquals(1, set.getEntryForIndex(0).getY(), 0.01f);
    set.addEntryOrdered(new Entry(20, 50));
    assertEquals(5, set.getEntryCount());
    assertEquals(20, set.getEntryForIndex(3).getX(), 0.01f);
    assertEquals(50, set.getEntryForIndex(3).getY(), 0.01f);
    assertTrue(set.removeEntry(3));
    assertEquals(4, set.getEntryCount());
    assertEquals(21, set.getEntryForIndex(3).getX(), 0.01f);
    assertEquals(5, set.getEntryForIndex(3).getY(), 0.01f);
    assertEquals(5, set.getEntryForIndex(0).getX(), 0.01f);
    assertEquals(1, set.getEntryForIndex(0).getY(), 0.01f);
    assertTrue(set.removeFirst());
    assertEquals(3, set.getEntryCount());
    assertEquals(10, set.getEntryForIndex(0).getX(), 0.01f);
    assertEquals(10, set.getEntryForIndex(0).getY(), 0.01f);
    set.addEntryOrdered(new Entry(15, 3));
    assertEquals(4, set.getEntryCount());
    assertEquals(15, set.getEntryForIndex(1).getX(), 0.01f);
    assertEquals(3, set.getEntryForIndex(1).getY(), 0.01f);
    assertEquals(21, set.getEntryForIndex(3).getX(), 0.01f);
    assertEquals(5, set.getEntryForIndex(3).getY(), 0.01f);
    assertTrue(set.removeLast());
    assertEquals(3, set.getEntryCount());
    assertEquals(15, set.getEntryForIndex(2).getX(), 0.01f);
    assertEquals(2, set.getEntryForIndex(2).getY(), 0.01f);
    assertTrue(set.removeLast());
    assertEquals(2, set.getEntryCount());
    assertTrue(set.removeLast());
    assertEquals(1, set.getEntryCount());
    assertEquals(10, set.getEntryForIndex(0).getX(), 0.01f);
    assertEquals(10, set.getEntryForIndex(0).getY(), 0.01f);
    assertTrue(set.removeLast());
    assertEquals(0, set.getEntryCount());
    assertFalse(set.removeLast());
    assertFalse(set.removeFirst());
}

Example 4 with ScatterDataSet

use of com.github.mikephil.charting.data.ScatterDataSet in project MPAndroidChart by PhilJay.

the class DataSetTest method testGetEntryForXValue.

@Test
public void testGetEntryForXValue() {
    List<Entry> entries = new ArrayList<Entry>();
    entries.add(new Entry(10, 10));
    entries.add(new Entry(15, 5));
    entries.add(new Entry(21, 5));
    ScatterDataSet set = new ScatterDataSet(entries, "");
    Entry closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(15, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(15, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(14, Float.NaN, DataSet.Rounding.DOWN);
    assertEquals(10, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(17, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.UP);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
    closest = set.getEntryForXValue(21, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(21, closest.getX(), 0.01f);
    assertEquals(5, closest.getY(), 0.01f);
}

Example 5 with ScatterDataSet

use of com.github.mikephil.charting.data.ScatterDataSet in project carat by amplab.

the class ScatterChart method drawHighlights.

@Override
protected void drawHighlights() {
    for (int i = 0; i < mIndicesToHightlight.length; i++) {
        ScatterDataSet set = mData.getDataSetByIndex(mIndicesToHightlight[i].getDataSetIndex());
        if (set == null)
            continue;
        mHighlightPaint.setColor(set.getHighLightColor());
        // get the
        int xIndex = mIndicesToHightlight[i].getXIndex();
        if (xIndex > mDeltaX * mPhaseX)
            continue;
        // get the
        float y = set.getYValForXIndex(xIndex) * mPhaseY;
        // y-position
        float[] pts = new float[] { xIndex, mYChartMax, xIndex, mYChartMin, 0, y, mDeltaX, y };
        mTrans.pointValuesToPixel(pts);
        // draw the highlight lines
        mDrawCanvas.drawLines(pts, mHighlightPaint);
    }
}