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

Example 21 with PieDataSet

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

the class HalfPieChartActivity method setData.

private void setData(int count, float range) {
    ArrayList<PieEntry> values = new ArrayList<>();
    for (int i = 0; i < count; i++) {
        values.add(new PieEntry((float) ((Math.random() * range) + range / 5), parties[i % parties.length]));
    }
    PieDataSet dataSet = new PieDataSet(values, "Election Results");
    dataSet.setSliceSpace(3f);
    dataSet.setSelectionShift(5f);
    dataSet.setColors(ColorTemplate.MATERIAL_COLORS);
    // dataSet.setSelectionShift(0f);
    PieData data = new PieData(dataSet);
    data.setValueFormatter(new PercentFormatter());
    data.setValueTextSize(11f);
    data.setValueTextColor(Color.WHITE);
    data.setValueTypeface(tfLight);
    chart.setData(data);
    chart.invalidate();
}

Example 22 with PieDataSet

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

the class PieChartActivity method setData.

private void setData(int count, float range) {
    ArrayList<PieEntry> entries = new ArrayList<>();
    // the chart.
    for (int i = 0; i < count; i++) {
        entries.add(new PieEntry((float) ((Math.random() * range) + range / 5), parties[i % parties.length], getResources().getDrawable(R.drawable.star)));
    }
    PieDataSet dataSet = new PieDataSet(entries, "Election Results");
    dataSet.setDrawIcons(false);
    dataSet.setSliceSpace(3f);
    dataSet.setIconsOffset(new MPPointF(0, 40));
    dataSet.setSelectionShift(5f);
    // add a lot of colors
    ArrayList<Integer> colors = new ArrayList<>();
    for (int c : ColorTemplate.VORDIPLOM_COLORS) colors.add(c);
    for (int c : ColorTemplate.JOYFUL_COLORS) colors.add(c);
    for (int c : ColorTemplate.COLORFUL_COLORS) colors.add(c);
    for (int c : ColorTemplate.LIBERTY_COLORS) colors.add(c);
    for (int c : ColorTemplate.PASTEL_COLORS) colors.add(c);
    colors.add(ColorTemplate.getHoloBlue());
    dataSet.setColors(colors);
    // dataSet.setSelectionShift(0f);
    PieData data = new PieData(dataSet);
    data.setValueFormatter(new PercentFormatter());
    data.setValueTextSize(11f);
    data.setValueTextColor(Color.WHITE);
    data.setValueTypeface(tfLight);
    chart.setData(data);
    // undo all highlights
    chart.highlightValues(null);
    chart.invalidate();
}

Example 23 with PieDataSet

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

the class SummaryFragment method generatePieData.

protected PieData generatePieData() {
    ArrayList<Entry> entries = new ArrayList<Entry>();
    ArrayList<String> xVals = new ArrayList<String>();
    xVals.add(getString(R.string.chart_wellbehaved));
    xVals.add(getString(R.string.chart_hogs));
    xVals.add(getString(R.string.chart_bugs));
    int wellbehaved = mMainActivity.mWellbehaved;
    int hogs = mMainActivity.mHogs;
    int bugs = mMainActivity.mBugs;
    entries.add(new Entry((float) (wellbehaved), 1));
    entries.add(new Entry((float) (hogs), 2));
    entries.add(new Entry((float) (bugs), 3));
    PieDataSet ds1 = new PieDataSet(entries, getString(R.string.summary_chart_center_text));
    ds1.setColors(Constants.CARAT_COLORS);
    ds1.setSliceSpace(2f);
    PieData d = new PieData(xVals, ds1);
    return d;
}

Example 24 with PieDataSet

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

the class PieChart method drawData.

@Override
protected void drawData() {
    float angle = mRotationAngle;
    ArrayList<PieDataSet> dataSets = mData.getDataSets();
    int cnt = 0;
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        PieDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();
        for (int j = 0; j < entries.size(); j++) {
            float newangle = mDrawAngles[cnt];
            float sliceSpace = dataSet.getSliceSpace();
            Entry e = entries.get(j);
            // draw only if the value is greater than zero
            if ((Math.abs(e.getVal()) > 0.000001)) {
                if (!needsHighlight(e.getXIndex(), i)) {
                    mRenderPaint.setColor(dataSet.getColor(j));
                    mDrawCanvas.drawArc(mCircleBox, angle + sliceSpace / 2f, newangle * mPhaseY - sliceSpace / 2f, true, mRenderPaint);
                }
            // if(sliceSpace > 0f) {
            // 
            // PointF outer = getPosition(c, radius, angle);
            // PointF inner = getPosition(c, radius * mHoleRadiusPercent
            // / 100f, angle);
            // }
            }
            angle += newangle * mPhaseX;
            cnt++;
        }
    }
}

Example 25 with PieDataSet

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

the class PieChart method drawValues.

@Override
protected void drawValues() {
    // if neither xvals nor yvals are drawn, return
    if (!mDrawXVals && !mDrawYValues)
        return;
    PointF center = getCenterCircleBox();
    // get whole the radius
    float r = getRadius();
    float off = r / 2f;
    if (mDrawHole) {
        off = (r - (r / 100f * mHoleRadiusPercent)) / 2f;
    }
    // offset to keep things inside the chart
    r -= off;
    ArrayList<PieDataSet> dataSets = mData.getDataSets();
    int cnt = 0;
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        PieDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();
        for (int j = 0; j < entries.size() * mPhaseX; j++) {
            // offset needed to center the drawn text in the slice
            float offset = mDrawAngles[cnt] / 2;
            // calculate the text position
            float x = (float) (r * Math.cos(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset) * mPhaseY)) + center.x);
            float y = (float) (r * Math.sin(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset) * mPhaseY)) + center.y);
            String val = "";
            float value = entries.get(j).getVal();
            if (mUsePercentValues)
                val = mValueFormatter.getFormattedValue(Math.abs(getPercentOfTotal(value))) + " %";
            else
                val = mValueFormatter.getFormattedValue(value);
            if (mDrawUnitInChart)
                val = val + mUnit;
            // draw everything, depending on settings
            if (mDrawXVals && mDrawYValues) {
                // use ascent and descent to calculate the new line
                // position,
                // 1.6f is the line spacing
                float lineHeight = (mValuePaint.ascent() + mValuePaint.descent()) * 1.6f;
                y -= lineHeight / 2;
                mDrawCanvas.drawText(val, x, y, mValuePaint);
                if (j < mData.getXValCount())
                    mDrawCanvas.drawText(mData.getXVals().get(j), x, y + lineHeight, mValuePaint);
            } else if (mDrawXVals && !mDrawYValues) {
                if (j < mData.getXValCount())
                    mDrawCanvas.drawText(mData.getXVals().get(j), x, y, mValuePaint);
            } else if (!mDrawXVals && mDrawYValues) {
                mDrawCanvas.drawText(val, x, y, mValuePaint);
            }
            cnt++;
        }
    }
}