Java Code Examples for com.github.mikephil.charting.data.BarData#getDataSetCount()

The following examples show how to use com.github.mikephil.charting.data.BarData#getDataSetCount() . 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: HistogramChart.java From walt with Apache License 2.0

6 votes

void recalculateDataSet(final BarData barData) {
    minBin = Math.floor(min / binWidth) * binWidth;
    maxBin = Math.floor(max / binWidth) * binWidth;

    int[][] bins = new int[rawData.size()][getNumBins()];

    for (int setNum = 0; setNum < rawData.size(); setNum++) {
        for (Double d : rawData.get(setNum)) {
            ++bins[setNum][(int) (Math.floor((d - minBin) / binWidth))];
        }
    }

    for (int setNum = 0; setNum < barData.getDataSetCount(); setNum++) {
        final IBarDataSet dataSet = barData.getDataSetByIndex(setNum);
        dataSet.clear();
        for (int i = 0; i < bins[setNum].length; i++) {
            dataSet.addEntry(new BarEntry(i, bins[setNum][i]));
        }
    }
    groupBars(barData);
    barData.notifyDataChanged();
}

Example 2

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

5 votes

@Override
public void drawData(Canvas c) {

    BarData barData = mChart.getBarData();

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

        IBarDataSet set = barData.getDataSetByIndex(i);

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

Example 3

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

5 votes

/**
 * draws the x-labels on the specified y-position
 * 
 * @param pos
 */
@Override
protected void drawLabels(Canvas c, float pos, PointF anchor) {

    final float labelRotationAngleDegrees = mXAxis.getLabelRotationAngle();

    // pre allocate to save performance (dont allocate in loop)
    float[] position = new float[] {
            0f, 0f
    };

    BarData bd = mChart.getData();
    int step = bd.getDataSetCount();

    for (int i = mMinX; i <= mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[1] = i * step + i * bd.getGroupSpace()
                + bd.getGroupSpace() / 2f;
        
        // consider groups (center label for each group)
        if (step > 1) {
            position[1] += ((float) step - 1f) / 2f;
        }

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsY(position[1])) {

            String label = mXAxis.getValues().get(i);
            drawLabel(c, label, i, pos, position[1], anchor, labelRotationAngleDegrees);
        }
    }
}

Example 4

Source File: XAxisRendererBarChart.java From NetKnight with Apache License 2.0

5 votes

@Override
public void renderGridLines(Canvas c) {

    if (!mXAxis.isDrawGridLinesEnabled() || !mXAxis.isEnabled())
        return;

    float[] position = new float[] {
            0f, 0f
    };

    mGridPaint.setColor(mXAxis.getGridColor());
    mGridPaint.setStrokeWidth(mXAxis.getGridLineWidth());

    BarData bd = mChart.getData();
    int step = bd.getDataSetCount();

    for (int i = mMinX; i < mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[0] = i * step + i * bd.getGroupSpace() - 0.5f;

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsX(position[0])) {

            c.drawLine(position[0], mViewPortHandler.offsetTop(), position[0],
                    mViewPortHandler.contentBottom(), mGridPaint);
        }
    }
}

Example 5

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new BarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new BarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getGroupSpace(),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 6

Source File: XAxisRendererHorizontalBarChart.java From NetKnight with Apache License 2.0

5 votes

/**
 * draws the x-labels on the specified y-position
 * 
 * @param pos
 */
@Override
protected void drawLabels(Canvas c, float pos, PointF anchor) {

    final float labelRotationAngleDegrees = mXAxis.getLabelRotationAngle();

    // pre allocate to save performance (dont allocate in loop)
    float[] position = new float[] {
            0f, 0f
    };

    BarData bd = mChart.getData();
    int step = bd.getDataSetCount();

    for (int i = mMinX; i <= mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[1] = i * step + i * bd.getGroupSpace()
                + bd.getGroupSpace() / 2f;
        
        // consider groups (center label for each group)
        if (step > 1) {
            position[1] += ((float) step - 1f) / 2f;
        }

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsY(position[1])) {

            String label = mXAxis.getValues().get(i);
            drawLabel(c, label, i, pos, position[1], anchor, labelRotationAngleDegrees);
        }
    }
}

Example 7

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

5 votes

@Override
public void renderGridLines(Canvas c) {

    if (!mXAxis.isDrawGridLinesEnabled() || !mXAxis.isEnabled())
        return;

    float[] position = new float[] {
            0f, 0f
    };

    mGridPaint.setColor(mXAxis.getGridColor());
    mGridPaint.setStrokeWidth(mXAxis.getGridLineWidth());

    BarData bd = mChart.getData();
    int step = bd.getDataSetCount();

    for (int i = mMinX; i < mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[0] = i * step + i * bd.getGroupSpace() - 0.5f;

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsX(position[0])) {

            c.drawLine(position[0], mViewPortHandler.offsetTop(), position[0],
                    mViewPortHandler.contentBottom(), mGridPaint);
        }
    }
}

Example 8

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

5 votes

@Override
public void renderGridLines(Canvas c) {

    if (!mXAxis.isDrawGridLinesEnabled() || !mXAxis.isEnabled())
        return;

    float[] position = new float[] {
            0f, 0f
    };
    
    mGridPaint.setColor(mXAxis.getGridColor());
    mGridPaint.setStrokeWidth(mXAxis.getGridLineWidth());

    BarData bd = mChart.getData();
    // take into consideration that multiple DataSets increase mDeltaX
    int step = bd.getDataSetCount();

    for (int i = mMinX; i <= mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[1] = i * step + i * bd.getGroupSpace() - 0.5f;

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsY(position[1])) {

            c.drawLine(mViewPortHandler.contentLeft(), position[1],
                    mViewPortHandler.contentRight(), position[1], mGridPaint);
        }
    }
}

Example 9

Source File: BarChartRenderer.java From NetKnight with Apache License 2.0

5 votes

@Override
public void drawData(Canvas c) {

    BarData barData = mChart.getBarData();

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

        IBarDataSet set = barData.getDataSetByIndex(i);

        if (set.isVisible() && set.getEntryCount() > 0) {
            drawDataSet(c, set, i);
        }
    }
}

Example 10

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

5 votes

@Override
public void renderGridLines(Canvas c) {

    if (!mXAxis.isDrawGridLinesEnabled() || !mXAxis.isEnabled())
        return;

    float[] position = new float[] {
            0f, 0f
    };
    
    mGridPaint.setColor(mXAxis.getGridColor());
    mGridPaint.setStrokeWidth(mXAxis.getGridLineWidth());

    BarData bd = mChart.getData();
    // take into consideration that multiple DataSets increase mDeltaX
    int step = bd.getDataSetCount();

    for (int i = mMinX; i <= mMaxX; i += mXAxis.mAxisLabelModulus) {

        position[1] = i * step + i * bd.getGroupSpace() - 0.5f;

        mTrans.pointValuesToPixel(position);

        if (mViewPortHandler.isInBoundsY(position[1])) {

            c.drawLine(mViewPortHandler.contentLeft(), position[1],
                    mViewPortHandler.contentRight(), position[1], mGridPaint);
        }
    }
}

Example 11

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new BarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new BarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 12

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new BarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new BarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 13

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new HorizontalBarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new HorizontalBarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 14

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

5 votes

@Override
public void drawData(Canvas c) {

    BarData barData = mChart.getBarData();

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

        IBarDataSet set = barData.getDataSetByIndex(i);

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

Example 15

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new HorizontalBarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new HorizontalBarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getGroupSpace(),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 16

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

5 votes

@Override
public void drawData(Canvas c) {

    BarData barData = mChart.getBarData();

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

        IBarDataSet set = barData.getDataSetByIndex(i);

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

Example 17

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

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new BarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new BarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 18

Source File: BarChartRenderer.java From NetKnight with Apache License 2.0

5 votes

@Override
public void initBuffers() {

    BarData barData = mChart.getBarData();
    mBarBuffers = new BarBuffer[barData.getDataSetCount()];

    for (int i = 0; i < mBarBuffers.length; i++) {
        IBarDataSet set = barData.getDataSetByIndex(i);
        mBarBuffers[i] = new BarBuffer(set.getEntryCount() * 4 * (set.isStacked() ? set.getStackSize() : 1),
                barData.getGroupSpace(),
                barData.getDataSetCount(), set.isStacked());
    }
}

Example 19

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

5 votes

@Override
public void drawData(Canvas c) {

    BarData barData = mChart.getBarData();

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

        IBarDataSet set = barData.getDataSetByIndex(i);

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

Example 20

Source File: HorizontalBarHighlighter.java From NetKnight with Apache License 2.0

4 votes

@Override
public Highlight getHighlight(float x, float y) {

	BarData barData = mChart.getBarData();

	final int xIndex = getXIndex(x);
	final float baseNoSpace = getBase(x);
	final int setCount = barData.getDataSetCount();
	int dataSetIndex = ((int)baseNoSpace) % setCount;

	if (dataSetIndex < 0) {
		dataSetIndex = 0;
	} else if (dataSetIndex >= setCount) {
		dataSetIndex = setCount - 1;
	}

	SelectionDetail selectionDetail = getSelectionDetail(xIndex, y, dataSetIndex);
	if (selectionDetail == null)
		return null;

	IBarDataSet set = barData.getDataSetByIndex(dataSetIndex);
	if (set.isStacked()) {

		float[] pts = new float[2];
		pts[0] = y;

		// take any transformer to determine the x-axis value
		mChart.getTransformer(set.getAxisDependency()).pixelsToValue(pts);

		return getStackedHighlight(selectionDetail,
				set,
				xIndex,
				pts[0]);
	}

	return new Highlight(
			xIndex,
			selectionDetail.value,
			selectionDetail.dataIndex,
			selectionDetail.dataSetIndex,
			-1);
}