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

Example 16 with Range

use of org.eclipse.swtchart.Range in project swtchart by eclipse.

the class SeriesSet method compressAllSeries.

/**
 * Compresses all series data.
 */
public void compressAllSeries() {
    if (!chart.isCompressEnabled()) {
        return;
    }
    CompressConfig config = new CompressConfig();
    final int PRECISION = 2;
    Point p = chart.getPlotArea().getSize();
    int width = p.x * PRECISION;
    int height = p.y * PRECISION;
    config.setSizeInPixel(width, height);
    for (ISeries series : getSeries()) {
        int xAxisId = series.getXAxisId();
        int yAxisId = series.getYAxisId();
        IAxis xAxis = chart.getAxisSet().getXAxis(xAxisId);
        IAxis yAxis = chart.getAxisSet().getYAxis(yAxisId);
        if (xAxis == null || yAxis == null) {
            continue;
        }
        Range xRange = xAxis.getRange();
        Range yRange = yAxis.getRange();
        if (xRange == null || yRange == null) {
            continue;
        }
        double xMin = xRange.lower;
        double xMax = xRange.upper;
        double yMin = yRange.lower;
        double yMax = yRange.upper;
        config.setXLogScale(xAxis.isLogScaleEnabled());
        config.setYLogScale(yAxis.isLogScaleEnabled());
        double lower = xMin - (xMax - xMin) * 0.015;
        double upper = xMax + (xMax - xMin) * 0.015;
        if (xAxis.isLogScaleEnabled()) {
            lower = ((Series) series).getXRange().lower;
        }
        config.setXRange(lower, upper);
        lower = yMin - (yMax - yMin) * 0.015;
        upper = yMax + (yMax - yMin) * 0.015;
        if (yAxis.isLogScaleEnabled()) {
            lower = ((Series) series).getYRange().lower;
        }
        config.setYRange(lower, upper);
        ICompress compressor = ((Series) series).getCompressor();
        compressor.compress(config);
    }
}

Example 17 with Range

use of org.eclipse.swtchart.Range in project swtchart by eclipse.

the class BarSeries method getBoundsForCompressedSeries.

/**
 * Gets the array of bar rectangles for compressed series.
 *
 * @return the array of bar rectangles for compressed series
 */
private Rectangle[] getBoundsForCompressedSeries() {
    Axis xAxis = (Axis) chart.getAxisSet().getXAxis(xAxisId);
    Axis yAxis = (Axis) chart.getAxisSet().getYAxis(yAxisId);
    // get x and y series
    double[] xseries = compressor.getCompressedXSeries();
    double[] yseries = compressor.getCompressedYSeries();
    int[] indexes = compressor.getCompressedIndexes();
    if (xAxis.isValidCategoryAxis()) {
        for (int i = 0; i < xseries.length; i++) {
            xseries[i] = indexes[i];
        }
    }
    Rectangle[] rectangles = new Rectangle[xseries.length];
    Range xRange = xAxis.getRange();
    Range yRange = yAxis.getRange();
    for (int i = 0; i < xseries.length; i++) {
        int x = xAxis.getPixelCoordinate(xseries[i]);
        int y = yAxis.getPixelCoordinate(isValidStackSeries() ? stackSeries[indexes[i]] : yseries[i]);
        double baseYCoordinate = yAxis.getRange().lower > 0 ? yAxis.getRange().lower : 0;
        double riserwidth = getRiserWidth(xseries, i, xAxis, xRange.lower, xRange.upper);
        double riserHeight = Math.abs(yAxis.getPixelCoordinate(yseries[i], yRange.lower, yRange.upper) - yAxis.getPixelCoordinate(yAxis.isLogScaleEnabled() ? yRange.lower : baseYCoordinate, yRange.lower, yRange.upper));
        // adjust riser x coordinate and riser width for multiple series
        int riserCnt = xAxis.getNumRisers();
        if (riserCnt > 1) {
            if (xAxis.isHorizontalAxis()) {
                x = (int) (x - riserwidth / 2d + riserwidth / riserCnt * (riserIndex + 0.5));
            } else {
                x = (int) (x - riserwidth / 2d + riserwidth / riserCnt * (riserCnt - riserIndex - 0.5));
            }
            riserwidth /= riserCnt;
        }
        if (xAxis.isHorizontalAxis()) {
            // adjust coordinate for negative series
            if (y > yAxis.getPixelCoordinate(0)) {
                y = yAxis.getPixelCoordinate(0);
            }
            int width = (int) Math.ceil(riserwidth);
            width = (width == 0) ? 1 : width;
            rectangles[i] = getVisibleRectangle((int) Math.floor(x - riserwidth / 2d), y, width, (int) riserHeight);
        } else {
            // adjust coordinate for negative series
            if (y < yAxis.getPixelCoordinate(0)) {
                y = yAxis.getPixelCoordinate(0);
            }
            int height = (int) Math.ceil(riserwidth);
            height = (height == 0) ? 1 : height;
            rectangles[i] = getVisibleRectangle((int) (y - riserHeight), (int) Math.floor(x - riserwidth / 2d), (int) riserHeight, height);
        }
    }
    return rectangles;
}

Example 18 with Range

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

the class LineChart method setRange.

/**
 * Sets the axis range.
 *
 * @param range
 *            the axis range in pixels
 * @param axis
 *            the axis to set range
 */
private void setRange(Point range, IAxis axis) {
    double min = axis.getDataCoordinate(range.x);
    double max = axis.getDataCoordinate(range.y);
    axis.setRange(new Range(min, max));
}

Example 19 with Range

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

the class LineChart method setTimeRange.

/**
 * Set time range
 *
 * @param from start time
 * @param to end time
 */
public void setTimeRange(final Date from, final Date to) {
    if (zoomedToSelectionX) {
        delayedRangeFrom = from;
        delayedRangeTo = to;
        return;
    }
    delayedRangeFrom = null;
    delayedRangeTo = null;
    timeFrom = from.getTime();
    timeTo = to.getTime();
    getAxisSet().getXAxis(0).setRange(new Range(timeFrom, timeTo));
    int seconds = (int) ((timeTo - timeFrom) / 1000);
    DateFormat format;
    int angle;
    if (seconds <= 600) {
        format = DateFormatFactory.getTimeFormat();
        angle = 0;
    } else if (seconds <= 86400) {
        format = DateFormatFactory.getShortTimeFormat();
        angle = 0;
    } else if (seconds <= 86400 * 7) {
        format = new SimpleDateFormat("E " + DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT));
        angle = 0;
    } else {
        format = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
        angle = 45;
    }
    IAxisTick xTick = getAxisSet().getXAxis(0).getTick();
    xTick.setFormat(format);
    xTick.setTickLabelAngle(angle);
}

Example 20 with Range

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

the class PieChartPaintListener method getSliceIndexFromPosition.

/**
 * Given a set of 2D pixel coordinates (typically those of a mouse cursor), return the
 * index of the given pie's slice that those coordinates reside in.
 * @param chartnum The id of the chart.
 * @param x The x-coordinate to test.
 * @param y The y-coordinate to test.
 * @return The slice that contains the point with coordinates (x,y).
 * @since 2.0
 */
public int getSliceIndexFromPosition(int chartnum, int x, int y) {
    Range range = chart.getAxisSet().getXAxis(0).getRange();
    chartnum -= (int) range.lower;
    if (chartnum >= pieCenters.length || chartnum < 0) {
        return -1;
    }
    // Only continue if the point is inside the pie circle
    double rad = Math.sqrt(Math.pow(pieCenters[chartnum].x - x, 2) + Math.pow(pieCenters[chartnum].y - y, 2));
    if (2 * rad > pieWidth) {
        return -1;
    }
    // Angle is relative to 12:00 position, increases clockwise
    double angle = Math.acos((pieCenters[chartnum].y - y) / rad) / Math.PI * 180.0;
    if (x - pieCenters[chartnum].x < 0) {
        angle = 360 - angle;
    }
    if (pieSliceAngles[chartnum].length == 0 || angle < pieSliceAngles[chartnum][0]) {
        return 0;
    }
    for (int s = 0; s < pieSliceAngles[chartnum].length - 1; s++) {
        if (pieSliceAngles[chartnum][s] <= angle && angle < pieSliceAngles[chartnum][s + 1]) {
            return s + 1;
        }
    }
    return pieSliceAngles[chartnum].length;
}