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

Example 31 with IAxis

use of org.eclipse.swtchart.IAxis in project tracecompass by tracecompass.

the class AbstractSegmentStoreDensityViewer method clearContent.

/**
 * Clears the view content.
 */
private void clearContent() {
    final Chart chart = fChart;
    if (!chart.isDisposed()) {
        ISeriesSet set = chart.getSeriesSet();
        ISeries<?>[] series = set.getSeries();
        for (int i = 0; i < series.length; i++) {
            set.deleteSeries(series[i].getId());
        }
        for (IAxis axis : chart.getAxisSet().getAxes()) {
            axis.setRange(new Range(0, 1));
        }
        chart.redraw();
    }
}

Example 32 with IAxis

use of org.eclipse.swtchart.IAxis in project tracecompass by tracecompass.

the class AbstractSegmentStoreDensityViewer method updateDisplay.

private synchronized void updateDisplay(String name, Iterable<ISegment> data) {
    ISeries<Integer> series = fSeriesType.equals(Type.BAR) ? createSeries() : createAreaSeries(name);
    int barWidth = 4;
    int preWidth = fOverrideNbPoints == 0 ? fChart.getPlotArea().getSize().x / barWidth : fOverrideNbPoints;
    if (!fSeriesType.equals(Type.BAR)) {
        preWidth += 2;
    }
    final int width = preWidth;
    double[] xOrigSeries = new double[width];
    double[] yOrigSeries = new double[width];
    // Set a positive value that is greater than 0 and less than 1.0
    Arrays.fill(yOrigSeries, Double.MIN_VALUE);
    Optional<ISegment> maxSegment = StreamSupport.stream(data.spliterator(), false).max(SegmentComparators.INTERVAL_LENGTH_COMPARATOR);
    long maxLength = Long.MIN_VALUE;
    if (maxSegment.isPresent()) {
        maxLength = maxSegment.get().getLength();
    } else {
        for (ISegment segment : data) {
            maxLength = Math.max(maxLength, segment.getLength());
        }
        if (maxLength == Long.MIN_VALUE) {
            maxLength = 1;
        }
    }
    double maxFactor = 1.0 / (maxLength + 1.0);
    long minX = Long.MAX_VALUE;
    for (ISegment segment : data) {
        double xBox = segment.getLength() * maxFactor * width;
        if (yOrigSeries[(int) xBox] < 1) {
            yOrigSeries[(int) xBox] = 1;
        } else {
            yOrigSeries[(int) xBox]++;
        }
        minX = Math.min(minX, segment.getLength());
    }
    double timeWidth = (double) maxLength / (double) width;
    for (int i = 0; i < width; i++) {
        xOrigSeries[i] = i * timeWidth;
        if (!fSeriesType.equals(Type.BAR)) {
            xOrigSeries[i] += timeWidth / 2;
        }
    }
    double maxY = Double.NEGATIVE_INFINITY;
    for (int i = 0; i < width; i++) {
        maxY = Math.max(maxY, yOrigSeries[i]);
    }
    if (minX == maxLength) {
        maxLength++;
        minX--;
    }
    series.setDataModel(new DoubleArraySeriesModel(xOrigSeries, yOrigSeries));
    final IAxis xAxis = fChart.getAxisSet().getXAxis(0);
    /*
         * adjustrange appears to bring origin back since we pad the series with
         * 0s, not interesting.
         */
    AxisRange currentDurationRange = fCurrentDurationRange;
    if (Double.isFinite(currentDurationRange.getLower()) && Double.isFinite(currentDurationRange.getUpper())) {
        xAxis.setRange(new Range(currentDurationRange.getLower(), currentDurationRange.getUpper()));
    } else {
        xAxis.adjustRange();
    }
    xAxis.getTick().setFormat(DENSITY_TIME_FORMATTER);
    ILegend legend = fChart.getLegend();
    legend.setVisible(fSegmentStoreProviders.size() > 1);
    legend.setPosition(SWT.BOTTOM);
    /*
         * Clamp range lower to 0.9 to make it log, 0.1 would be scientifically
         * accurate, but we cannot have partial counts.
         */
    for (ISeries<?> internalSeries : fChart.getSeriesSet().getSeries()) {
        maxY = Math.max(maxY, internalSeries.getDataModel().getMaxY().doubleValue());
    }
    fChart.getAxisSet().getYAxis(0).setRange(new Range(0.9, Math.max(1.0, maxY)));
    fChart.getAxisSet().getYAxis(0).enableLogScale(true);
    new Thread(() -> {
        for (ISegmentStoreDensityViewerDataListener l : fListeners) {
            l.chartUpdated();
        }
    }).start();
}

Example 33 with IAxis

use of org.eclipse.swtchart.IAxis in project tracecompass by tracecompass.

the class SWTBotCustomChartUtils method assertCategoriesAxis.

/**
 * Verify the categories of an axis correspond to the excpected values. This
 * method should be called on axis using discrete string values.
 *
 * @param chart
 *            The chart to verify
 * @param axisType
 *            The axis to test for
 * @param categories
 *            The expected categories
 */
public static void assertCategoriesAxis(Chart chart, AxisType axisType, String[] categories) {
    IAxis axis = (axisType == AxisType.X ? chart.getAxisSet().getXAxes()[0] : chart.getAxisSet().getYAxes()[0]);
    assertTrue(axis.isCategoryEnabled());
    String[] categorySeries = axis.getCategorySeries();
    assertArrayEquals(categories, categorySeries);
}

Example 34 with IAxis

use of org.eclipse.swtchart.IAxis in project olca-app by GreenDelta.

the class ContributionChart method create.

public static ContributionChart create(Composite parent, FormToolkit tk) {
    Composite comp = UI.formComposite(parent, tk);
    UI.gridLayout(comp, 2);
    UI.gridData(comp, true, true);
    // create and configure the chart
    Chart chart = new Chart(comp, SWT.NONE);
    GridData gdata = new GridData(SWT.LEFT, SWT.CENTER, false, false);
    gdata.heightHint = 300;
    gdata.widthHint = 700;
    chart.setLayoutData(gdata);
    chart.setOrientation(SWT.HORIZONTAL);
    chart.getLegend().setVisible(false);
    // we set a white title just to fix the problem
    // that the y-axis is cut sometimes
    chart.getTitle().setText(".");
    chart.getTitle().setFont(UI.defaultFont());
    chart.getTitle().setForeground(Colors.white());
    chart.getTitle().setVisible(true);
    // configure the x-axis with one category
    IAxis x = chart.getAxisSet().getXAxis(0);
    x.getTitle().setVisible(false);
    x.getTick().setForeground(Colors.darkGray());
    x.enableCategory(true);
    x.setCategorySeries(new String[] { "" });
    // configure the y-axis
    IAxis y = chart.getAxisSet().getYAxis(0);
    y.getTitle().setVisible(false);
    y.getTick().setForeground(Colors.darkGray());
    y.getGrid().setStyle(LineStyle.NONE);
    y.getTick().setFormat(new DecimalFormat("0.0E0#", new DecimalFormatSymbols(Locale.US)));
    y.getTick().setTickMarkStepHint(10);
    return new ContributionChart(chart, new ChartLegend(comp));
}

Example 35 with IAxis

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

the class LineChart method adjustYAxis.

public void adjustYAxis(boolean repaint) {
    zoomedToSelectionY = false;
    final IAxis yAxis = getAxisSet().getYAxis(0);
    yAxis.adjustRange();
    final Range range = yAxis.getRange();
    if (!configuration.isModifyYBase() && (range.lower > 0))
        range.lower = 0;
    else if (range.lower < 0)
        range.lower = -adjustRange(Math.abs(range.lower));
    range.upper = adjustRange(range.upper);
    yAxis.setRange(range);
    if (repaint)
        redraw();
}