com.github.mikephil.charting.data.ScatterDataSet Java Examples

The following examples show how to use com.github.mikephil.charting.data.ScatterDataSet. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: SimpleFragment.java From Stayfit with Apache License 2.0

6 votes

protected ScatterData generateScatterData(int dataSets, float range, int count) {
    
    ArrayList<IScatterDataSet> sets = new ArrayList<IScatterDataSet>();
    
    ScatterShape[] shapes = ScatterChart.getAllPossibleShapes();
    
    for(int i = 0; i < dataSets; i++) {
       
        ArrayList<Entry> entries = new ArrayList<Entry>();
        
        for(int j = 0; j < count; j++) {        
            entries.add(new Entry((float) (Math.random() * range) + range / 4, j));
        }
        
        ScatterDataSet ds = new ScatterDataSet(entries, getLabel(i));
        ds.setScatterShapeSize(12f);
        ds.setScatterShape(shapes[i % shapes.length]);
        ds.setColors(ColorTemplate.COLORFUL_COLORS);
        ds.setScatterShapeSize(9f);
        sets.add(ds);
    }
    
    ScatterData d = new ScatterData(ChartData.generateXVals(0, count), sets);
    d.setValueTypeface(tf);
    return d;
}

Example #2

Source File: SimpleFragment.java From StockChart-MPAndroidChart with MIT License

6 votes

protected ScatterData generateScatterData(int dataSets, float range, int count) {

        ArrayList<IScatterDataSet> sets = new ArrayList<>();

        ScatterChart.ScatterShape[] shapes = ScatterChart.ScatterShape.getAllDefaultShapes();

        for(int i = 0; i < dataSets; i++) {

            ArrayList<Entry> entries = new ArrayList<>();

            for(int j = 0; j < count; j++) {
                entries.add(new Entry(j, (float) (Math.random() * range) + range / 4));
            }

            ScatterDataSet ds = new ScatterDataSet(entries, getLabel(i));
            ds.setScatterShapeSize(12f);
            ds.setScatterShape(shapes[i % shapes.length]);
            ds.setColors(ColorTemplate.COLORFUL_COLORS);
            ds.setScatterShapeSize(9f);
            sets.add(ds);
        }

        ScatterData d = new ScatterData(sets);
        d.setValueTypeface(tf);
        return d;
    }

Example #3

Source File: CombinedChartActivity.java From StockChart-MPAndroidChart with MIT License

6 votes

private ScatterData generateScatterData() {

        ScatterData d = new ScatterData();

        ArrayList<Entry> entries = new ArrayList<>();

        for (float index = 0; index < count; 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 #4

Source File: CombinedChartActivity.java From Stayfit with Apache License 2.0

6 votes

protected ScatterData generateScatterData() {

        ScatterData d = new ScatterData();

        ArrayList<Entry> entries = new ArrayList<Entry>();

        for (int index = 0; index < itemcount; index++)
            entries.add(new Entry(getRandom(20, 15), index));

        ScatterDataSet set = new ScatterDataSet(entries, "Scatter DataSet");
        set.setColor(Color.GREEN);
        set.setScatterShapeSize(7.5f);
        set.setDrawValues(false);
        set.setValueTextSize(10f);
        d.addDataSet(set);

        return d;
    }

Example #5

Source File: AccelerometerFragment.java From walt with Apache License 2.0

6 votes

private void drawLatencyChart(List<Entry> phoneEntriesShifted, List<Entry> waltEntries) {
    final ScatterDataSet dataSetWalt =
            new ScatterDataSet(waltEntries, "WALT Events");
    dataSetWalt.setColor(Color.BLUE);
    dataSetWalt.setScatterShape(ScatterChart.ScatterShape.CIRCLE);
    dataSetWalt.setScatterShapeSize(8f);

    final ScatterDataSet dataSetPhoneShifted =
            new ScatterDataSet(phoneEntriesShifted, "Phone Events Shifted");
    dataSetPhoneShifted.setColor(Color.RED);
    dataSetPhoneShifted.setScatterShapeSize(10f);
    dataSetPhoneShifted.setScatterShape(ScatterChart.ScatterShape.X);

    final ScatterData scatterData = new ScatterData(dataSetWalt, dataSetPhoneShifted);
    final Description desc = new Description();
    desc.setText("");
    desc.setTextSize(12f);
    latencyChart.setDescription(desc);
    latencyChart.setData(scatterData);
    latencyChart.invalidate();
    latencyChartLayout.setVisibility(View.VISIBLE);
}

Example #6

Source File: ScatterChartManager.java From react-native-mp-android-chart with MIT License

6 votes

@Override
void dataSetConfig(IDataSet<Entry> dataSet, ReadableMap config) {
    ScatterDataSet scatterDataSet = (ScatterDataSet) dataSet;

    ChartDataSetConfigUtils.commonConfig(scatterDataSet, config);
    ChartDataSetConfigUtils.commonBarLineScatterCandleBubbleConfig(scatterDataSet, config);
    ChartDataSetConfigUtils.commonLineScatterCandleRadarConfig(scatterDataSet, config);

    // ScatterDataSet only config
    if (BridgeUtils.validate(config, ReadableType.Number, "scatterShapeSize")) {
        scatterDataSet.setScatterShapeSize((float) config.getDouble("scatterShapeSize"));
    }
    if (BridgeUtils.validate(config, ReadableType.String, "scatterShape")) {
        scatterDataSet.setScatterShape(ScatterShape.valueOf(config.getString("scatterShape").toUpperCase()));
    }
    if (BridgeUtils.validate(config, ReadableType.String, "scatterShapeHoleColor")) {
        scatterDataSet.setScatterShapeHoleColor(Color.parseColor(config.getString("scatterShapeHoleColor")));
    }
    if (BridgeUtils.validate(config, ReadableType.Number, "scatterShapeHoleRadius")) {
        scatterDataSet.setScatterShapeHoleRadius((float) config.getDouble("scatterShapeHoleRadius"));
    }
}

Example #7

Source File: DataSetTest.java From Ticket-Analysis with MIT License

5 votes

@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 #8

Source File: ScatterChartRenderer.java From iMoney with Apache License 2.0

5 votes

@Override
public void drawData(Canvas c) {

    ScatterData scatterData = mChart.getScatterData();

    for (ScatterDataSet set : scatterData.getDataSets()) {

        if (set.isVisible())
            drawDataSet(c, set);
    }
}

Example #9

Source File: ScatterChartRenderer.java From iMoney with Apache License 2.0

5 votes

@Override
public void initBuffers() {

    ScatterData scatterData = mChart.getScatterData();

    mScatterBuffers = new ScatterBuffer[scatterData.getDataSetCount()];

    for (int i = 0; i < mScatterBuffers.length; i++) {
        ScatterDataSet set = scatterData.getDataSetByIndex(i);
        mScatterBuffers[i] = new ScatterBuffer(set.getEntryCount() * 2);
    }
}

Example #10

Source File: DataSetTest.java From android-kline with Apache License 2.0

5 votes

@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 #11

Source File: DragLatencyFragment.java From walt with Apache License 2.0

5 votes

private void drawLatencyGraph(double[] ft, double[] fy, double[] lt, double averageBestShift) {
    final ArrayList<Entry> touchEntries = new ArrayList<>();
    final ArrayList<Entry> laserEntries = new ArrayList<>();
    final double[] laserT = new double[lt.length];
    for (int i = 0; i < ft.length; i++) {
        touchEntries.add(new Entry((float) ft[i], (float) fy[i]));
    }
    for (int i = 0; i < lt.length; i++) {
        laserT[i] = lt[i] + averageBestShift;
    }
    final double[] laserY = Utils.interp(laserT, ft, fy);
    for (int i = 0; i < laserY.length; i++) {
        laserEntries.add(new Entry((float) laserT[i], (float) laserY[i]));
    }

    final ScatterDataSet dataSetTouch = new ScatterDataSet(touchEntries, "Touch Events");
    dataSetTouch.setScatterShape(ScatterChart.ScatterShape.CIRCLE);
    dataSetTouch.setScatterShapeSize(8f);

    final ScatterDataSet dataSetLaser = new ScatterDataSet(laserEntries,
            String.format(Locale.US, "Laser Events  Latency=%.1f ms", averageBestShift));
    dataSetLaser.setColor(Color.RED);
    dataSetLaser.setScatterShapeSize(10f);
    dataSetLaser.setScatterShape(ScatterChart.ScatterShape.X);

    final ScatterData scatterData = new ScatterData(dataSetTouch, dataSetLaser);
    final Description desc = new Description();
    desc.setText("Y-Position [pixels] vs. Time [ms]");
    desc.setTextSize(12f);
    latencyChart.setDescription(desc);
    latencyChart.setData(scatterData);
    latencyChartLayout.setVisibility(View.VISIBLE);
}

Example #12

Source File: DataSetTest.java From StockChart-MPAndroidChart with MIT License

5 votes

@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 #13

Source File: ScatterChart.java From Notification-Analyser with MIT License

5 votes

@Override
protected void drawHighlights() {

    for (int i = 0; i < mIndicesToHightlight.length; i++) {

        ScatterDataSet set = mCurrentData.getDataSetByIndex(mIndicesToHightlight[i]
                .getDataSetIndex());
        
        if (set == null)
            continue;

        mHighlightPaint.setColor(set.getHighLightColor());

        int xIndex = mIndicesToHightlight[i].getXIndex(); // get the
                                                          // x-position

        if (xIndex > mDeltaX * mPhaseX)
            continue;

        float y = set.getYValForXIndex(xIndex) * mPhaseY; // get the
                                                          // y-position

        float[] pts = new float[] {
                xIndex, mYChartMax, xIndex, mYChartMin, 0, y, mDeltaX, y
        };

        transformPointArray(pts);
        // draw the highlight lines
        mDrawCanvas.drawLines(pts, mHighlightPaint);
    }
}

Example #14

Source File: DataSetTest.java From android-kline with Apache License 2.0

4 votes

@Test
public void testGetEntryForXValueWithDuplicates() {

    // sorted list of values (by x position)
    List<Entry> values = new ArrayList<Entry>();
    values.add(new Entry(0, 10));
    values.add(new Entry(1, 20));
    values.add(new Entry(2, 30));
    values.add(new Entry(3, 40));
    values.add(new Entry(3, 50)); // duplicate
    values.add(new Entry(4, 60));
    values.add(new Entry(4, 70)); // duplicate
    values.add(new Entry(5, 80));
    values.add(new Entry(6, 90));
    values.add(new Entry(7, 100));
    values.add(new Entry(8, 110));
    values.add(new Entry(8, 120)); // duplicate

    ScatterDataSet set = new ScatterDataSet(values, "");

    Entry closest = set.getEntryForXValue(0, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(0, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5.4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4.6f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(7, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(7, closest.getX(), 0.01f);
    assertEquals(100, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(4, closest.getX(), 0.01f);
    assertEquals(60, closest.getY(), 0.01f);

    List<Entry> entries = set.getEntriesForXValue(4f);
    assertEquals(2, entries.size());
    assertEquals(60, entries.get(0).getY(), 0.01f);
    assertEquals(70, entries.get(1).getY(), 0.01f);

    entries = set.getEntriesForXValue(3.5f);
    assertEquals(0, entries.size());

    entries = set.getEntriesForXValue(2f);
    assertEquals(1, entries.size());
    assertEquals(30, entries.get(0).getY(), 0.01f);
}

Example #15

Source File: ScatterChartManager.java From react-native-mp-android-chart with MIT License

4 votes

@Override
IDataSet createDataSet(ArrayList<Entry> entries, String label) {
    return new ScatterDataSet(entries, label);
}

Example #16

Source File: ScatterChartActivity.java From Stayfit with Apache License 2.0

4 votes

@Override
public boolean onOptionsItemSelected(MenuItem item) {

    switch (item.getItemId()) {
        case R.id.actionToggleValues: {
            List<IScatterDataSet> sets = mChart.getData()
                    .getDataSets();

            for (IScatterDataSet iSet : sets) {

                ScatterDataSet set = (ScatterDataSet) iSet;
                set.setDrawValues(!set.isDrawValuesEnabled());
            }

            mChart.invalidate();
            break;
        }
        case R.id.actionToggleHighlight: {
            if(mChart.getData() != null) {
                mChart.getData().setHighlightEnabled(!mChart.getData().isHighlightEnabled());
                mChart.invalidate();
            }
            break;
        }
        case R.id.actionTogglePinch: {
            if (mChart.isPinchZoomEnabled())
                mChart.setPinchZoom(false);
            else
                mChart.setPinchZoom(true);

            mChart.invalidate();
            break;
        }
        case R.id.actionToggleAutoScaleMinMax: {
            mChart.setAutoScaleMinMaxEnabled(!mChart.isAutoScaleMinMaxEnabled());
            mChart.notifyDataSetChanged();
            break;
        }
        case R.id.actionSave: {
            // mChart.saveToGallery("title"+System.currentTimeMillis());
            mChart.saveToPath("title" + System.currentTimeMillis(), "");
            break;
        }
        case R.id.animateX: {
            mChart.animateX(3000);
            break;
        }
        case R.id.animateY: {
            mChart.animateY(3000);
            break;
        }
        case R.id.animateXY: {

            mChart.animateXY(3000, 3000);
            break;
        }
    }
    return true;
}

Example #17

Source File: ScatterChart.java From Notification-Analyser with MIT License

4 votes

@Override
protected void drawData() {

    ArrayList<ScatterDataSet> dataSets = mCurrentData.getDataSets();

    for (int i = 0; i < mCurrentData.getDataSetCount(); i++) {

        ScatterDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();

        float shapeHalf = dataSet.getScatterShapeSize() / 2f;

        float[] valuePoints = generateTransformedValuesLineScatter(entries);

        ScatterShape shape = dataSet.getScatterShape();

        for (int j = 0; j < valuePoints.length * mPhaseX; j += 2) {

            if (isOffContentRight(valuePoints[j]))
                break;

            // make sure the lines don't do shitty things outside bounds
            if (j != 0 && isOffContentLeft(valuePoints[j - 1])
                    && isOffContentTop(valuePoints[j + 1])
                    && isOffContentBottom(valuePoints[j + 1]))
                continue;

            // Set the color for the currently drawn value. If the index is
            // out of bounds, reuse colors.
            mRenderPaint.setColor(dataSet.getColor(j));

            if (shape == ScatterShape.SQUARE) {

                mDrawCanvas.drawRect(valuePoints[j] - shapeHalf,
                        valuePoints[j + 1] - shapeHalf, valuePoints[j]
                                + shapeHalf, valuePoints[j + 1]
                                + shapeHalf, mRenderPaint);

            } else if (shape == ScatterShape.CIRCLE) {

                mDrawCanvas.drawCircle(valuePoints[j], valuePoints[j + 1], shapeHalf,
                        mRenderPaint);

            } else if (shape == ScatterShape.CROSS) {

                mDrawCanvas.drawLine(valuePoints[j] - shapeHalf, valuePoints[j + 1],
                        valuePoints[j] + shapeHalf,
                        valuePoints[j + 1], mRenderPaint);
                mDrawCanvas.drawLine(valuePoints[j], valuePoints[j + 1] - shapeHalf,
                        valuePoints[j], valuePoints[j + 1]
                                + shapeHalf, mRenderPaint);

            } else if (shape == ScatterShape.TRIANGLE) {

                // create a triangle path
                Path tri = new Path();
                tri.moveTo(valuePoints[j], valuePoints[j + 1] - shapeHalf);
                tri.lineTo(valuePoints[j] + shapeHalf, valuePoints[j + 1] + shapeHalf);
                tri.lineTo(valuePoints[j] - shapeHalf, valuePoints[j + 1] + shapeHalf);
                tri.close();

                mDrawCanvas.drawPath(tri, mRenderPaint);

            } else if (shape == ScatterShape.CUSTOM) {

                Path customShape = dataSet.getCustomScatterShape();

                if (customShape == null)
                    return;

                // transform the provided custom path
                transformPath(customShape);
                mDrawCanvas.drawPath(customShape, mRenderPaint);
            }
        }
    }
}

Example #18

Source File: ScatterChart.java From Notification-Analyser with MIT License

4 votes

@Override
protected void drawValues() {
    // if values are drawn
    if (mDrawYValues && mCurrentData.getYValCount() < mMaxVisibleCount * mScaleX) {

        ArrayList<ScatterDataSet> dataSets = mCurrentData
                .getDataSets();

        for (int i = 0; i < mCurrentData.getDataSetCount(); i++) {

            ScatterDataSet dataSet = dataSets.get(i);
            ArrayList<Entry> entries = dataSet.getYVals();

            float[] positions = generateTransformedValuesLineScatter(entries);

            float shapeSize = dataSet.getScatterShapeSize();

            for (int j = 0; j < positions.length * mPhaseX; j += 2) {

                if (isOffContentRight(positions[j]))
                    break;

                if (isOffContentLeft(positions[j]) || isOffContentTop(positions[j + 1])
                        || isOffContentBottom(positions[j + 1]))
                    continue;

                float val = entries.get(j / 2).getVal();

                if (mDrawUnitInChart) {

                    mDrawCanvas.drawText(mValueFormatter.getFormattedValue(val) + mUnit,
                            positions[j],
                            positions[j + 1] - shapeSize, mValuePaint);
                } else {

                    mDrawCanvas.drawText(mValueFormatter.getFormattedValue(val), positions[j],
                            positions[j + 1] - shapeSize,
                            mValuePaint);
                }
            }
        }
    }
}

Example #19

Source File: ScatterChartRenderer.java From iMoney with Apache License 2.0

4 votes

@Override
public void drawValues(Canvas c) {

    // if values are drawn
    if (mChart.getScatterData().getYValCount() < mChart.getMaxVisibleCount()
            * mViewPortHandler.getScaleX()) {

        List<ScatterDataSet> dataSets = mChart.getScatterData().getDataSets();

        for (int i = 0; i < mChart.getScatterData().getDataSetCount(); i++) {

            ScatterDataSet dataSet = dataSets.get(i);

            if (!dataSet.isDrawValuesEnabled() || dataSet.getEntryCount() == 0)
                continue;

            // apply the text-styling defined by the DataSet
            applyValueTextStyle(dataSet);

            List<Entry> entries = dataSet.getYVals();

            float[] positions = mChart.getTransformer(dataSet.getAxisDependency())
                    .generateTransformedValuesScatter(entries,
                            mAnimator.getPhaseY());

            float shapeSize = dataSet.getScatterShapeSize();

            for (int j = 0; j < positions.length * mAnimator.getPhaseX(); j += 2) {

                if (!mViewPortHandler.isInBoundsRight(positions[j]))
                    break;

                // make sure the lines don't do shitty things outside bounds
                if ((!mViewPortHandler.isInBoundsLeft(positions[j])
                        || !mViewPortHandler.isInBoundsY(positions[j + 1])))
                    continue;

                Entry entry = entries.get(j / 2);

                drawValue(c, dataSet.getValueFormatter(), entry.getVal(), entry, i, positions[j],
                        positions[j + 1] - shapeSize);
            }
        }
    }
}

Example #20

Source File: DataSetTest.java From Ticket-Analysis with MIT License

4 votes

@Test
public void testGetEntryForXValueWithDuplicates() {

    // sorted list of values (by x position)
    List<Entry> values = new ArrayList<Entry>();
    values.add(new Entry(0, 10));
    values.add(new Entry(1, 20));
    values.add(new Entry(2, 30));
    values.add(new Entry(3, 40));
    values.add(new Entry(3, 50)); // duplicate
    values.add(new Entry(4, 60));
    values.add(new Entry(4, 70)); // duplicate
    values.add(new Entry(5, 80));
    values.add(new Entry(6, 90));
    values.add(new Entry(7, 100));
    values.add(new Entry(8, 110));
    values.add(new Entry(8, 120)); // duplicate

    ScatterDataSet set = new ScatterDataSet(values, "");

    Entry closest = set.getEntryForXValue(0, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(0, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5.4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4.6f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(7, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(7, closest.getX(), 0.01f);
    assertEquals(100, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(4, closest.getX(), 0.01f);
    assertEquals(60, closest.getY(), 0.01f);

    List<Entry> entries = set.getEntriesForXValue(4f);
    assertEquals(2, entries.size());
    assertEquals(60, entries.get(0).getY(), 0.01f);
    assertEquals(70, entries.get(1).getY(), 0.01f);

    entries = set.getEntriesForXValue(3.5f);
    assertEquals(0, entries.size());

    entries = set.getEntriesForXValue(2f);
    assertEquals(1, entries.size());
    assertEquals(30, entries.get(0).getY(), 0.01f);
}

Example #21

Source File: ScatterChartActivity.java From StockChart-MPAndroidChart with MIT License

4 votes

@Override
public boolean onOptionsItemSelected(MenuItem item) {

    switch (item.getItemId()) {
        case R.id.viewGithub: {
            Intent i = new Intent(Intent.ACTION_VIEW);
            i.setData(Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/ScatterChartActivity.java"));
            startActivity(i);
            break;
        }
        case R.id.actionToggleValues: {
            List<IScatterDataSet> sets = chart.getData()
                    .getDataSets();

            for (IScatterDataSet iSet : sets) {

                ScatterDataSet set = (ScatterDataSet) iSet;
                set.setDrawValues(!set.isDrawValuesEnabled());
            }

            chart.invalidate();
            break;
        }
        case R.id.actionToggleHighlight: {
            if(chart.getData() != null) {
                chart.getData().setHighlightEnabled(!chart.getData().isHighlightEnabled());
                chart.invalidate();
            }
            break;
        }
        case R.id.actionTogglePinch: {
            if (chart.isPinchZoomEnabled())
                chart.setPinchZoom(false);
            else
                chart.setPinchZoom(true);

            chart.invalidate();
            break;
        }
        case R.id.actionToggleAutoScaleMinMax: {
            chart.setAutoScaleMinMaxEnabled(!chart.isAutoScaleMinMaxEnabled());
            chart.notifyDataSetChanged();
            break;
        }
        case R.id.animateX: {
            chart.animateX(3000);
            break;
        }
        case R.id.animateY: {
            chart.animateY(3000);
            break;
        }
        case R.id.animateXY: {

            chart.animateXY(3000, 3000);
            break;
        }
        case R.id.actionSave: {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
                saveToGallery();
            } else {
                requestStoragePermission(chart);
            }
            break;
        }
    }
    return true;
}

Example #22

Source File: DataSetTest.java From StockChart-MPAndroidChart with MIT License

4 votes

@Test
public void testGetEntryForXValueWithDuplicates() {

    // sorted list of values (by x position)
    List<Entry> values = new ArrayList<Entry>();
    values.add(new Entry(0, 10));
    values.add(new Entry(1, 20));
    values.add(new Entry(2, 30));
    values.add(new Entry(3, 40));
    values.add(new Entry(3, 50)); // duplicate
    values.add(new Entry(4, 60));
    values.add(new Entry(4, 70)); // duplicate
    values.add(new Entry(5, 80));
    values.add(new Entry(6, 90));
    values.add(new Entry(7, 100));
    values.add(new Entry(8, 110));
    values.add(new Entry(8, 120)); // duplicate

    ScatterDataSet set = new ScatterDataSet(values, "");

    Entry closest = set.getEntryForXValue(0, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(0, closest.getX(), 0.01f);
    assertEquals(10, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(5.4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4.6f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(5, closest.getX(), 0.01f);
    assertEquals(80, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(7, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(7, closest.getX(), 0.01f);
    assertEquals(100, closest.getY(), 0.01f);

    closest = set.getEntryForXValue(4f, Float.NaN, DataSet.Rounding.CLOSEST);
    assertEquals(4, closest.getX(), 0.01f);
    assertEquals(60, closest.getY(), 0.01f);

    List<Entry> entries = set.getEntriesForXValue(4f);
    assertEquals(2, entries.size());
    assertEquals(60, entries.get(0).getY(), 0.01f);
    assertEquals(70, entries.get(1).getY(), 0.01f);

    entries = set.getEntriesForXValue(3.5f);
    assertEquals(0, entries.size());

    entries = set.getEntriesForXValue(2f);
    assertEquals(1, entries.size());
    assertEquals(30, entries.get(0).getY(), 0.01f);
}

Example #23

Source File: ScatterChartRenderer.java From iMoney with Apache License 2.0

3 votes

@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    for (int i = 0; i < indices.length; i++) {

        ScatterDataSet set = mChart.getScatterData().getDataSetByIndex(indices[i]
                .getDataSetIndex());

        if (set == null || !set.isHighlightEnabled())
            continue;

        int xIndex = indices[i].getXIndex(); // get the
                                             // x-position


        if (xIndex > mChart.getXChartMax() * mAnimator.getPhaseX())
            continue;

        final float yVal = set.getYValForXIndex(xIndex);
        if (yVal == Float.NaN)
            continue;

        float y = yVal * mAnimator.getPhaseY();

        float[] pts = new float[] {
                xIndex, y
        };

        mChart.getTransformer(set.getAxisDependency()).pointValuesToPixel(pts);

        // draw the lines
        drawHighlightLines(c, pts, set);
    }
}

Example #24

Source File: DataSetTest.java From StockChart-MPAndroidChart with MIT License

3 votes

@Test
public void testCalcMinMax() {

    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(10f, set.getXMin(), 0.01f);
    assertEquals(21f, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(3, set.getEntryCount());

    set.addEntry(new Entry(25, 1));

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(25f, set.getXMax(), 0.01f);

    assertEquals(1f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(4, set.getEntryCount());

    set.removeEntry(3);

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(21, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);
}

Example #25

Source File: DataSetTest.java From android-kline with Apache License 2.0

3 votes

@Test
public void testCalcMinMax() {

    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(10f, set.getXMin(), 0.01f);
    assertEquals(21f, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(3, set.getEntryCount());

    set.addEntry(new Entry(25, 1));

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(25f, set.getXMax(), 0.01f);

    assertEquals(1f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(4, set.getEntryCount());

    set.removeEntry(3);

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(21, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);
}

Example #26

Source File: DataSetTest.java From Ticket-Analysis with MIT License

3 votes

@Test
public void testCalcMinMax() {

    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(10f, set.getXMin(), 0.01f);
    assertEquals(21f, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(3, set.getEntryCount());

    set.addEntry(new Entry(25, 1));

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(25f, set.getXMax(), 0.01f);

    assertEquals(1f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);

    assertEquals(4, set.getEntryCount());

    set.removeEntry(3);

    assertEquals(10f, set.getXMin(), 0.01f);
    assertEquals(21, set.getXMax(), 0.01f);

    assertEquals(2f, set.getYMin(), 0.01f);
    assertEquals(10f, set.getYMax(), 0.01f);
}

Example #27

Source File: DataSetTest.java From android-kline with Apache License 2.0

2 votes

@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 #28

Source File: DataSetTest.java From Ticket-Analysis with MIT License

2 votes

@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 #29

Source File: DataSetTest.java From StockChart-MPAndroidChart with MIT License

2 votes

@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());
}