Examples with DiscreteTimeSeries com.serotonin.m2m2.util.chart.DiscreteTimeSeries used on opensource projects

Example 1 with DiscreteTimeSeries

use of com.serotonin.m2m2.util.chart.DiscreteTimeSeries in project ma-core-public by infiniteautomation.

the class ImageChartUtils method writeChart.

public static void writeChart(PointTimeSeriesCollection pointTimeSeriesCollection, boolean showLegend, OutputStream out, int width, int height, long from, long to) throws IOException {
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, null, showLegend, false, false);
    chart.setBackgroundPaint(SystemSettingsDao.getColour(SystemSettingsDao.CHART_BACKGROUND_COLOUR));
    XYPlot plot = chart.getXYPlot();
    ((DateAxis) plot.getDomainAxis()).setTimeZone(pointTimeSeriesCollection.getTimeZone());
    plot.setBackgroundPaint(SystemSettingsDao.getColour(SystemSettingsDao.PLOT_BACKGROUND_COLOUR));
    Color gridlines = SystemSettingsDao.getColour(SystemSettingsDao.PLOT_GRIDLINE_COLOUR);
    plot.setDomainGridlinePaint(gridlines);
    plot.setRangeGridlinePaint(gridlines);
    ((NumberAxis) plot.getRangeAxis()).setAutoRangeStickyZero(false);
    double numericMin = 0;
    double numericMax = 1;
    int numericSeriesCount = pointTimeSeriesCollection.getNumericSeriesCount();
    if (pointTimeSeriesCollection.hasNumericData()) {
        for (int i = 0; i < numericSeriesCount; i++) {
            NumericTimeSeries nts = pointTimeSeriesCollection.getNumericTimeSeries(i);
            AbstractXYItemRenderer renderer;
            if (nts.getPlotType() == DataPointVO.PlotTypes.STEP)
                renderer = new XYStepRenderer();
            else if (nts.getPlotType() == DataPointVO.PlotTypes.LINE)
                renderer = new XYLineAndShapeRenderer(true, false);
            else {
                // XYCardinalSplineRenderer spline = new XYCardinalSplineRenderer(.5d, 16);
                // XYSmoothLineAndShapeRenderer spline = new XYSmoothLineAndShapeRenderer();
                // XYSplineRenderer spline = new XYSplineRenderer();
                // spline.setBaseShapesVisible(false);
                // renderer = spline;
                renderer = new XYLineAndShapeRenderer(true, false);
            }
            if (nts.getPaint() != null)
                renderer.setSeriesPaint(0, nts.getPaint(), false);
            if (nts.getStroke() != null)
                renderer.setSeriesStroke(0, nts.getStroke(), false);
            plot.setDataset(i, new TimeSeriesCollection(nts.getTimeSeries()));
            plot.setRenderer(i, renderer);
        }
        numericMin = plot.getRangeAxis().getLowerBound();
        numericMax = plot.getRangeAxis().getUpperBound();
        if (!pointTimeSeriesCollection.hasMultiplePoints()) {
            // If this chart displays a single point, check if there should be a range description.
            TimeSeries timeSeries = pointTimeSeriesCollection.getNumericTimeSeries(0).getTimeSeries();
            String desc = timeSeries.getRangeDescription();
            if (!StringUtils.isBlank(desc)) {
                // Replace any HTML entities with Java equivalents
                desc = StripEntities.stripHTMLEntities(desc, ' ');
                plot.getRangeAxis().setLabel(desc);
            }
        }
    } else
        plot.getRangeAxis().setVisible(false);
    if (pointTimeSeriesCollection.getRangeMarkers() != null) {
        boolean rangeAdjusted = false;
        for (Marker marker : pointTimeSeriesCollection.getRangeMarkers()) {
            plot.addRangeMarker(marker);
            if (marker instanceof ValueMarker) {
                ValueMarker vm = (ValueMarker) marker;
                if (numericMin > vm.getValue()) {
                    numericMin = vm.getValue();
                    rangeAdjusted = true;
                }
                if (numericMax < vm.getValue()) {
                    numericMax = vm.getValue();
                    rangeAdjusted = true;
                }
            }
        }
        if (rangeAdjusted) {
            double adj = (numericMax - numericMin);
            plot.getRangeAxis().setLowerBound(numericMin - adj * plot.getRangeAxis().getLowerMargin());
            plot.getRangeAxis().setUpperBound(numericMax + adj * plot.getRangeAxis().getUpperMargin());
        }
    }
    int discreteValueCount = pointTimeSeriesCollection.getDiscreteValueCount();
    double interval = (numericMax - numericMin) / (discreteValueCount + 1);
    int intervalIndex = 1;
    if (pointTimeSeriesCollection.hasDiscreteData()) {
        for (int i = 0; i < pointTimeSeriesCollection.getDiscreteSeriesCount(); i++) {
            DiscreteTimeSeries dts = pointTimeSeriesCollection.getDiscreteTimeSeries(i);
            XYStepRenderer renderer = new XYStepRenderer();
            TimeSeries ts = new TimeSeries(dts.getName(), null, null);
            for (IValueTime vt : dts.getValueTimes()) addMillisecond(ts, vt.getTime(), numericMin + (interval * (dts.getValueIndex(vt.getValue()) + intervalIndex)));
            if (dts.getPaint() != null)
                renderer.setSeriesPaint(0, dts.getPaint(), false);
            if (dts.getStroke() != null)
                renderer.setSeriesStroke(0, dts.getStroke(), false);
            plot.setDataset(numericSeriesCount + i, new TimeSeriesCollection(ts, pointTimeSeriesCollection.getTimeZone()));
            plot.setRenderer(numericSeriesCount + i, renderer);
            intervalIndex += dts.getDiscreteValueCount();
        }
    }
    if (from > 0)
        plot.getDomainAxis().setLowerBound(from);
    if (to > 0)
        plot.getDomainAxis().setUpperBound(to);
    if (pointTimeSeriesCollection.hasDiscreteData()) {
        // Add the value annotations.
        double annoX = plot.getDomainAxis().getLowerBound();
        intervalIndex = 1;
        for (int i = 0; i < pointTimeSeriesCollection.getDiscreteSeriesCount(); i++) {
            DiscreteTimeSeries dts = pointTimeSeriesCollection.getDiscreteTimeSeries(i);
            for (int j = 0; j < dts.getDiscreteValueCount(); j++) {
                XYTextAnnotation anno = new XYTextAnnotation(" " + dts.getValueText(j), annoX, numericMin + (interval * (j + intervalIndex)));
                if (!pointTimeSeriesCollection.hasNumericData() && intervalIndex + j == discreteValueCount)
                    // This prevents the top label from getting cut off
                    anno.setTextAnchor(TextAnchor.TOP_LEFT);
                else
                    anno.setTextAnchor(TextAnchor.BOTTOM_LEFT);
                anno.setPaint(((AbstractRenderer) plot.getRenderer(numericSeriesCount + i)).lookupSeriesPaint(0));
                plot.addAnnotation(anno);
            }
            intervalIndex += dts.getDiscreteValueCount();
        }
    }
    // Return the image.
    ChartUtilities.writeChartAsPNG(out, chart, width, height);
}

Example 2 with DiscreteTimeSeries

use of com.serotonin.m2m2.util.chart.DiscreteTimeSeries in project ma-core-public by infiniteautomation.

the class ImageChartServlet method getImageData.

private byte[] getImageData(String imageInfo, HttpServletRequest request) throws IOException {
    // Hex colour definitions need to be prefixed with '0x' instead of '#'.
    try {
        // Remove the / and the .png
        imageInfo = imageInfo.substring(1, imageInfo.length() - 4);
        // Split by underscore.
        String[] imageBits = imageInfo.split("_");
        // Get the data.
        long from, to;
        int pointIdStart;
        if (imageBits[0].equals("ft")) {
            from = Long.parseLong(imageBits[2]);
            to = Long.parseLong(imageBits[3]);
            pointIdStart = 4;
        } else {
            from = Common.timer.currentTimeMillis() - Long.parseLong(imageBits[1]);
            to = -1;
            pointIdStart = 2;
        }
        int width = getIntRequestParameter(request, "w", 200);
        int height = getIntRequestParameter(request, "h", 100);
        String useCacheString = request.getParameter("useCache");
        boolean useCache = false;
        if (useCacheString != null && Boolean.valueOf(useCacheString))
            useCache = true;
        TimeZone timeZone = Common.getUserTimeZone(Common.getUser(request));
        // Create the datasets
        DataPointVO markerPoint = null;
        int pointCount = 0;
        PointTimeSeriesCollection ptsc = new PointTimeSeriesCollection(timeZone);
        for (int i = pointIdStart; i < imageBits.length; i++) {
            if (imageBits[i].startsWith("w"))
                width = NumberUtils.toInt(imageBits[i].substring(1), width);
            else if (imageBits[i].startsWith("h"))
                height = NumberUtils.toInt(imageBits[i].substring(1), height);
            else {
                String dataPointStr = imageBits[i];
                Color colour = null;
                int dataPointId;
                int pipe = dataPointStr.indexOf('|');
                if (pipe == -1)
                    dataPointId = Integer.parseInt(dataPointStr);
                else {
                    try {
                        String colourStr = dataPointStr.substring(pipe + 1);
                        if (colourStr.startsWith("0x"))
                            colourStr = "#" + colourStr.substring(2);
                        colour = ColorUtils.toColor(colourStr);
                    } catch (InvalidArgumentException e) {
                        throw new IOException(e);
                    }
                    dataPointId = Integer.parseInt(dataPointStr.substring(0, pipe));
                }
                // Get the data.
                DataPointVO dp = DataPointDao.instance.getDataPoint(dataPointId);
                if (dp != null && dp.getName() != null) {
                    pointCount++;
                    markerPoint = dp;
                    // Get the Color if there wasn't one provided
                    if (colour == null) {
                        try {
                            if (dp.getChartColour() != null)
                                colour = ColorUtils.toColor(dp.getChartColour());
                        } catch (InvalidArgumentException e) {
                        // Munch it
                        }
                    }
                    PointValueFacade pointValueFacade = new PointValueFacade(dataPointId, useCache);
                    List<PointValueTime> data;
                    if (from == -1 && to == -1)
                        data = pointValueFacade.getPointValuesBetween(0, Common.timer.currentTimeMillis(), true, true);
                    else if (from == -1)
                        data = pointValueFacade.getPointValuesBetween(0, to, true, true);
                    else if (to == -1)
                        data = pointValueFacade.getPointValuesBetween(from, Common.timer.currentTimeMillis(), true, true);
                    else
                        data = pointValueFacade.getPointValuesBetween(from, to, true, true);
                    if (dp.getPointLocator().getDataTypeId() == DataTypes.NUMERIC) {
                        TimeSeries ts;
                        if (dp.isUseRenderedUnit()) {
                            // This works because we enforce that all Units default to the ONE Unit if not used
                            UnitConverter converter = null;
                            if (dp.getRenderedUnit() != dp.getUnit())
                                converter = dp.getUnit().getConverterTo(dp.getRenderedUnit());
                            ts = new TimeSeries(dp.getExtendedName(), null, dp.getTextRenderer().getMetaText());
                            double value;
                            for (PointValueTime pv : data) {
                                if (pv.getValue() != null) {
                                    if (converter != null)
                                        value = converter.convert(pv.getDoubleValue());
                                    else
                                        value = pv.getDoubleValue();
                                    ImageChartUtils.addMillisecond(ts, pv.getTime(), value);
                                }
                            }
                        } else {
                            // No renderer, don't need it
                            ts = new TimeSeries(dp.getExtendedName(), null, dp.getTextRenderer().getMetaText());
                            for (PointValueTime pv : data) {
                                if (pv.getValue() != null)
                                    ImageChartUtils.addMillisecond(ts, pv.getTime(), pv.getValue().numberValue());
                            }
                        }
                        ptsc.addNumericTimeSeries(new NumericTimeSeries(dp.getPlotType(), ts, colour, null));
                    } else {
                        DiscreteTimeSeries ts = new DiscreteTimeSeries(dp.getExtendedName(), dp.getTextRenderer(), colour, null);
                        for (PointValueTime pv : data) if (pv.getValue() != null)
                            ts.addValueTime(pv);
                        ptsc.addDiscreteTimeSeries(ts);
                    }
                }
            }
        }
        if (pointCount == 1) {
            // Only one point. Check for limits to draw as markers.
            UnitConverter uc;
            if (markerPoint.getUnit() != null && markerPoint.getRenderedUnit() != null)
                uc = markerPoint.getUnit().getConverterTo(markerPoint.getRenderedUnit());
            else
                uc = Unit.ONE.getConverterTo(Unit.ONE);
            for (AbstractPointEventDetectorVO<?> ped : markerPoint.getEventDetectors()) {
                if (ped.getDefinition().getEventDetectorTypeName().equals(AnalogLowLimitEventDetectorDefinition.TYPE_NAME))
                    ptsc.addRangeMarker(new ValueMarker(uc.convert(((AnalogLowLimitDetectorVO) ped).getLimit()), lowLimitPaint, limitStroke));
                else if (ped.getDefinition().getEventDetectorTypeName().equals(AnalogHighLimitEventDetectorDefinition.TYPE_NAME))
                    ptsc.addRangeMarker(new ValueMarker(uc.convert(((AnalogHighLimitDetectorVO) ped).getLimit()), highLimitPaint, limitStroke));
            }
        }
        return ImageChartUtils.getChartData(ptsc, width, height, from, to);
    } catch (StringIndexOutOfBoundsException e) {
    // no op
    } catch (NumberFormatException e) {
    // no op
    } catch (ArrayIndexOutOfBoundsException e) {
    // no op
    }
    return null;
}