Examples with ISeries org.eclipse.swtchart.ISeries used on opensource projects

Example 31 with ISeries

use of org.eclipse.swtchart.ISeries in project netxms by netxms.

the class LineChart method getClosestDataPoint.

/**
 * Get data point closest to given point in plot area
 *
 * @param px
 * @param py
 * @return
 */
public DataPoint getClosestDataPoint(int px, int py) {
    IAxis xAxis = getAxisSet().getXAxis(0);
    IAxis yAxis = getAxisSet().getYAxis(0);
    double x = xAxis.getDataCoordinate(px);
    double y = yAxis.getDataCoordinate(py);
    double closestX = 0;
    double closestY = 0;
    double minDist = Double.MAX_VALUE;
    ISeries<?> closestSeries = null;
    /* over all series */
    ISeries<?>[] series = getSeriesSet().getSeries();
    for (ISeries<?> s : series) {
        double[] xS = s.getXSeries();
        double[] yS = s.getYSeries();
        /* check all data points */
        for (int i = 0; i < xS.length; i++) {
            /* compute distance to mouse position */
            double newDist = Math.sqrt(Math.pow((x - xS[i]), 2) + Math.pow((y - yS[i]), 2));
            /* if closer to mouse, remember */
            if (newDist < minDist) {
                minDist = newDist;
                closestX = xS[i];
                closestY = yS[i];
                closestSeries = s;
            }
        }
    }
    return (closestSeries != null) ? new DataPoint(new Date((long) closestX), closestY, closestSeries) : null;
}

Example 32 with ISeries

use of org.eclipse.swtchart.ISeries in project org.eclipse.linuxtools by eclipse-linuxtools.

the class PieChartPaintListener method getPieSeriesArray.

private void getPieSeriesArray() {
    ISeries[] series = this.chart.getSeriesSet().getSeries();
    if (series == null || series.length == 0) {
        seriesValues = new double[0][0];
        seriesNames = new String[0];
        return;
    }
    String[] names = this.chart.getAxisSet().getXAxis(0).getCategorySeries();
    Range range = chart.getAxisSet().getXAxis(0).getRange();
    int itemRange = (int) range.upper - (int) range.lower + 1;
    int itemOffset = (int) range.lower;
    seriesValues = new double[itemRange][series.length];
    seriesNames = new String[itemRange];
    for (int i = 0; i < seriesValues.length; i++) {
        seriesNames[i] = names[i + itemOffset];
        for (int j = 0; j < seriesValues[i].length; j++) {
            double[] d = series[j].getXSeries();
            if (d != null && d.length > 0) {
                seriesValues[i][j] = d[i + itemOffset];
            } else {
                seriesValues[i][j] = 0;
            }
        }
    }
    return;
}

Example 33 with ISeries

use of org.eclipse.swtchart.ISeries in project org.eclipse.linuxtools by eclipse-linuxtools.

the class PieChart method addPieChartSeries.

/**
 * Add data to this Pie Chart. We'll build one pie chart for each value in the array provided. The val matrix must
 * have an array of an array of values. Ex. labels = {'a', 'b'} val = {{1,2,3}, {4,5,6}} This will create 3 pie
 * charts. For the first one, 'a' will be 1 and 'b' will be 4. For the second chart 'a' will be 2 and 'b' will be 5.
 * For the third 'a' will be 3 and 'b' will be 6.
 * @param labels The titles of each series. (These are not the same as titles given to pies.)
 * @param val New values.
 */
public void addPieChartSeries(String[] labels, double[][] val) {
    setSeriesNames(val[0].length);
    for (ISeries s : this.getSeriesSet().getSeries()) {
        this.getSeriesSet().deleteSeries(s.getId());
    }
    int size = Math.min(labels.length, val.length);
    for (int i = 0; i < size; i++) {
        IBarSeries s = (IBarSeries) this.getSeriesSet().createSeries(ISeries.SeriesType.BAR, labels[i]);
        double[] d = new double[val[i].length];
        for (int j = 0; j < val[i].length; j++) {
            d[j] = val[i][j];
        }
        s.setXSeries(d);
        if (customColors != null) {
            s.setBarColor(customColors[i % customColors.length]);
        } else {
            s.setBarColor(new Color(this.getDisplay(), sliceColor(i)));
        }
    }
}

Example 34 with ISeries

use of org.eclipse.swtchart.ISeries in project org.eclipse.linuxtools by eclipse-linuxtools.

the class ChartWithAxisMouseMoveListener method mouseMove.

@Override
public void mouseMove(MouseEvent e) {
    super.mouseMove(e);
    double closestDistance = DIST_TOLERANCE;
    int closestIndex = -1;
    ISeries closestSeries = null;
    Point closestPoint = null;
    for (ISeries series : chart.getSeriesSet().getSeries()) {
        for (int i = 0; i < series.getXSeries().length; i++) {
            Point dataPoint = series.getPixelCoordinates(i);
            if (dataPoint.x >= 0 && dataPoint.y >= 0) {
                double dist = Math.sqrt(Math.pow(dataPoint.x - e.x, 2) + Math.pow(dataPoint.y - e.y, 2));
                if (dist < closestDistance) {
                    closestDistance = dist;
                    closestIndex = i;
                    closestSeries = series;
                    closestPoint = dataPoint;
                }
            }
        }
    }
    if (closestPoint != null) {
        setTextTip(MessageFormat.format(Messages.AbstractChartWithAxisBuilder_ToolTipCoords, closestSeries.getId(), closestSeries.getXSeries()[closestIndex], closestSeries.getYSeries()[closestIndex]));
    } else {
        tipShell.setVisible(false);
    }
}

Example 35 with ISeries

use of org.eclipse.swtchart.ISeries in project org.eclipse.linuxtools by eclipse-linuxtools.

the class BarChartBuilder method buildXSeries.

@Override
protected void buildXSeries() {
    Object[][] data = adapter.getData();
    if (data == null || data.length == 0) {
        return;
    }
    int start = 0, len = Math.min(this.maxItems, data.length), leny = data[0].length - 1;
    if (this.maxItems < data.length) {
        start = data.length - this.maxItems;
    }
    String[] allValx = new String[len];
    Double[][] allValy = new Double[leny][len];
    // Want to show x-axis if possible, so default max/min is 0.
    double maxY = 0;
    double minY = 0;
    // If an x-axis category is empty, ignore the entire category.
    for (int i = 0; i < len; i++) {
        Object label = data[start + i][0];
        if (label != null) {
            allValx[i] = label.toString();
            for (int j = 1; j < leny + 1; j++) {
                Double val = getDoubleOrNullValue(data[start + i][j]);
                if (val == null) {
                    val = 0.0;
                }
                allValy[j - 1][i] = val;
                maxY = Math.max(val, maxY);
                minY = Math.min(val, minY);
            }
        }
    }
    // Now create dense arrays of x/y values that exclude null values,
    // and plot those values to the chart.
    String[] valx = new String[len];
    int lenTrim = 0;
    for (int i = 0; i < len; i++) {
        if (allValx[i] != null) {
            valx[lenTrim] = allValx[i];
            lenTrim++;
        }
    }
    String[] valxTrim = new String[lenTrim];
    System.arraycopy(valx, 0, valxTrim, 0, lenTrim);
    ISeries[] allSeries = chart.getSeriesSet().getSeries();
    for (int i = 0; i < leny; i++) {
        ISeries series;
        if (i >= allSeries.length) {
            series = createChartISeries(i);
        } else {
            series = chart.getSeriesSet().getSeries()[i];
        }
        double[] valy = new double[len];
        int lenyTrim = 0;
        for (int j = 0; j < len; j++) {
            if (allValy[i][j] != null) {
                valy[lenyTrim] = allValy[i][j].doubleValue();
                lenyTrim++;
            }
        }
        double[] valyTrim = new double[lenyTrim];
        System.arraycopy(valy, 0, valyTrim, 0, lenyTrim);
        series.setYSeries(valyTrim);
    }
    ((BarChart) chart).suspendUpdate(true);
    ((BarChart) chart).setCategorySeries(getUniqueNames(valxTrim));
    applyCategoryRange(valxTrim.length);
    applyRangeY(minY, maxY);
    ((BarChart) chart).suspendUpdate(false);
    chart.redraw();
}