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

Example 71 with Entry

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

the class Transformer method generateTransformedValuesBarChart.

/**
     * Transforms an arraylist of Entry into a float array containing the x and
     * y values transformed with all matrices for the BARCHART.
     * 
     * @param entries
     * @param dataSet the dataset index
     * @return
     */
public float[] generateTransformedValuesBarChart(ArrayList<? extends Entry> entries, int dataSet, BarData bd, float phaseY) {
    float[] valuePoints = new float[entries.size() * 2];
    int setCount = bd.getDataSetCount();
    float space = bd.getGroupSpace();
    for (int j = 0; j < valuePoints.length; j += 2) {
        Entry e = entries.get(j / 2);
        // calculate the x-position, depending on datasetcount
        float x = e.getXIndex() + (j / 2 * (setCount - 1)) + dataSet + 0.5f + space * (j / 2) + space / 2f;
        float y = e.getVal();
        valuePoints[j] = x;
        valuePoints[j + 1] = y * phaseY;
    }
    pointValuesToPixel(valuePoints);
    return valuePoints;
}

Example 72 with Entry

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

the class RadarChart method drawHighlights.

@Override
protected void drawHighlights() {
    // if there are values to highlight and highlighnting is enabled, do it
    if (mHighlightEnabled && valuesToHighlight()) {
        float sliceangle = getSliceAngle();
        float factor = getFactor();
        PointF c = getCenterOffsets();
        for (int i = 0; i < mIndicesToHightlight.length; i++) {
            RadarDataSet set = mData.getDataSetByIndex(mIndicesToHightlight[i].getDataSetIndex());
            if (set == null)
                continue;
            mHighlightPaint.setColor(set.getHighLightColor());
            // get the index to highlight
            int xIndex = mIndicesToHightlight[i].getXIndex();
            Entry e = set.getEntryForXIndex(xIndex);
            int j = set.getEntryPosition(e);
            float y = e.getVal();
            PointF p = getPosition(c, y * factor, sliceangle * j + mRotationAngle);
            float[] pts = new float[] { p.x, 0, p.x, getHeight(), 0, p.y, getWidth(), p.y };
            mDrawCanvas.drawLines(pts, mHighlightPaint);
        }
    }
}

Example 73 with Entry

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

the class RadarChart method drawData.

@Override
protected void drawData() {
    ArrayList<RadarDataSet> dataSets = mData.getDataSets();
    float sliceangle = getSliceAngle();
    // calculate the factor that is needed for transforming the value to
    // pixels
    float factor = getFactor();
    PointF c = getCenterOffsets();
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        RadarDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();
        Path surface = new Path();
        for (int j = 0; j < entries.size(); j++) {
            mRenderPaint.setColor(dataSet.getColor(j));
            Entry e = entries.get(j);
            PointF p = getPosition(c, e.getVal() * factor, sliceangle * j + mRotationAngle);
            if (j == 0)
                surface.moveTo(p.x, p.y);
            else
                surface.lineTo(p.x, p.y);
        }
        surface.close();
        // draw filled
        if (dataSet.isDrawFilledEnabled()) {
            mRenderPaint.setStyle(Paint.Style.FILL);
            mRenderPaint.setAlpha(dataSet.getFillAlpha());
            mDrawCanvas.drawPath(surface, mRenderPaint);
            mRenderPaint.setAlpha(255);
        }
        mRenderPaint.setStrokeWidth(dataSet.getLineWidth());
        mRenderPaint.setStyle(Paint.Style.STROKE);
        // draw the line (only if filled is disabled or alpha is below 255)
        if (!dataSet.isDrawFilledEnabled() || dataSet.getFillAlpha() < 255)
            mDrawCanvas.drawPath(surface, mRenderPaint);
    }
}

Example 74 with Entry

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

the class RadarChart method drawValues.

@Override
protected void drawValues() {
    // if values are drawn
    if (mDrawYValues) {
        float sliceangle = getSliceAngle();
        // calculate the factor that is needed for transforming the value to
        // pixels
        float factor = getFactor();
        PointF c = getCenterOffsets();
        float yoffset = Utils.convertDpToPixel(5f);
        for (int i = 0; i < mData.getDataSetCount(); i++) {
            RadarDataSet dataSet = mData.getDataSetByIndex(i);
            ArrayList<Entry> entries = dataSet.getYVals();
            for (int j = 0; j < entries.size(); j++) {
                Entry e = entries.get(j);
                PointF p = getPosition(c, e.getVal() * factor, sliceangle * j + mRotationAngle);
                if (mDrawUnitInChart)
                    mDrawCanvas.drawText(mValueFormatter.getFormattedValue(e.getVal()) + mUnit, p.x, p.y - yoffset, mValuePaint);
                else
                    mDrawCanvas.drawText(mValueFormatter.getFormattedValue(e.getVal()), p.x, p.y - yoffset, mValuePaint);
            }
        }
    }
}

Example 75 with Entry

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

the class ScatterChart method drawValues.

@Override
protected void drawValues() {
    // if values are drawn
    if (mDrawYValues && mData.getYValCount() < mMaxVisibleCount * mTrans.getScaleX()) {
        ArrayList<ScatterDataSet> dataSets = mData.getDataSets();
        for (int i = 0; i < mData.getDataSetCount(); i++) {
            ScatterDataSet dataSet = dataSets.get(i);
            ArrayList<Entry> entries = dataSet.getYVals();
            float[] positions = mTrans.generateTransformedValuesLineScatter(entries, mPhaseY);
            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);
                }
            }
        }
    }
}