Examples with SimpleDataItem org.csstudio.javafx.rtplot.data.SimpleDataItem used on opensource projects

Example 1 with SimpleDataItem

use of org.csstudio.javafx.rtplot.data.SimpleDataItem in project org.csstudio.display.builder by kasemir.

the class DynamicDemoData method add.

/**
 * Add a new sample
 */
public void add() {
    final Instant time = Instant.now();
    final PlotDataItem<Instant> item;
    // 5% dropouts
    // if (Math.random() > 0.95)
    // {
    // data.add(new SimpleDataItem<Instant>(time, Double.NaN));
    // }
    // else
    {
        final double x = (time.getEpochSecond() - start_secs) + time.getNano() * 1e-9;
        final double y = 0.1 * Math.random() + 2.0 + Math.sin(2.0 * Math.PI * x / period);
        // Some raw samples, rest min/max/average
        if (Math.random() > 0.3)
            item = new SimpleDataItem<Instant>(time, y);
        else {
            final double noise = 0.2;
            final double min = y - y * noise * Math.random();
            final double max = y + y * noise * Math.random();
            final double stddev = (max - y) / 2;
            item = new SimpleDataItem<Instant>(time, y, stddev, min, max, "Optimized");
        }
    }
    lock.writeLock().lock();
    try {
        // Obtain index of next element
        if (size >= data.length) {
            // Overwrite oldest element
            ++start;
            if (start >= data.length)
                start = 0;
        } else
            // Add to end of buffer
            ++size;
        final int i = (start + size - 1) % data.length;
        // Update that element
        data[i] = item;
    } finally {
        lock.writeLock().unlock();
    }
}

Example 2 with SimpleDataItem

use of org.csstudio.javafx.rtplot.data.SimpleDataItem in project org.csstudio.display.builder by kasemir.

the class BasicPlotDemo method start.

@Override
public void start(final Stage stage) throws Exception {
    Logger.getLogger("").setLevel(Level.FINE);
    for (Handler handler : Logger.getLogger("").getHandlers()) handler.setLevel(Level.FINE);
    final Plot<Double> plot = new Plot<Double>(Double.class, true);
    plot.setTitle("Plot Demo");
    plot.getXAxis().setName("The horizontal quantities on 'X'");
    plot.addYAxis("Another Axis");
    plot.getYAxes().get(1).setOnRight(true);
    final ArrayPlotDataProvider<Double> data1 = new ArrayPlotDataProvider<>();
    final ArrayPlotDataProvider<Double> data2 = new ArrayPlotDataProvider<>();
    final ArrayPlotDataProvider<Double> data3 = new ArrayPlotDataProvider<>();
    for (double x = -10.0; x <= 10.0; x += 1.0) if (x == 2.0) {
        data1.add(new SimpleDataItem<Double>(x, Double.NaN));
        data2.add(new SimpleDataItem<Double>(x, Double.NaN));
        data3.add(new SimpleDataItem<Double>(x, Double.NaN));
    } else {
        data1.add(new SimpleDataItem<Double>(x, x * x - 5.0));
        data2.add(new SimpleDataItem<Double>(x, 2 * x));
        data3.add(new SimpleDataItem<Double>(x, x * x + 5.0));
    }
    plot.addTrace(new TraceImpl<Double>("Demo Data", "socks", data1, Color.BLUE, TraceType.BARS, 0, PointType.NONE, 15, 0));
    plot.addTrace(new TraceImpl<Double>("Demo Data", "socks", data1, Color.VIOLET, TraceType.BARS, 10, PointType.NONE, 15, 0));
    plot.addTrace(new TraceImpl<Double>("More Data", "pants", data2, Color.RED, TraceType.AREA, 3, PointType.SQUARES, 15, 1));
    plot.addTrace(new TraceImpl<Double>("More Data", "pants", data3, Color.GREEN, TraceType.LINES_DIRECT, 1, PointType.XMARKS, 5, 0));
    plot.getXAxis().setValueRange(-12.0, 12.0);
    // a) Fixed range
    // plot.getYAxes().get(0).setValueRange(-10.0, 120.0);
    // plot.getYAxes().get(1).setValueRange(-25.0, 25.0);
    // b) Autoscale
    // plot.getYAxes().get(0).setAutoscale(true);
    // plot.getYAxes().get(1).setAutoscale(true);
    // c) Stagger
    plot.stagger(false);
    plot.showCrosshair(true);
    plot.setMouseMode(MouseMode.PAN);
    final Pane root = new Pane(plot);
    final ChangeListener<? super Number> resize_listener = (p, o, n) -> plot.setSize(root.getWidth(), root.getHeight());
    root.widthProperty().addListener(resize_listener);
    root.heightProperty().addListener(resize_listener);
    final Scene scene = new Scene(root, 800, 600);
    stage.setScene(scene);
    stage.setTitle("Basic Plot Demo");
    stage.show();
    // Thread that periodically hides an axis and its traces
    final AtomicBoolean run = new AtomicBoolean(true);
    final Runnable hider = () -> {
        try {
            while (run.get()) {
                TimeUnit.SECONDS.sleep(2);
                final int axis_index = 1;
                final YAxisImpl<Double> axis = plot.getYAxes().get(axis_index);
                final boolean visible = !axis.isVisible();
                for (Trace<?> trace : plot.getTraces()) if (trace.getYAxis() == axis_index)
                    trace.setVisible(visible);
                axis.setVisible(visible);
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    };
    final Thread thread = new Thread(hider);
    thread.setDaemon(true);
    thread.start();
    stage.setOnCloseRequest(event -> {
        run.set(false);
        try {
            thread.join();
        } catch (Exception ex) {
        // Ignore, shutting down
        }
        plot.dispose();
    });
}

Example 3 with SimpleDataItem

use of org.csstudio.javafx.rtplot.data.SimpleDataItem in project org.csstudio.display.builder by kasemir.

the class TraceAnalyzerTest method testFindSample.

@Test
public void testFindSample() throws Exception {
    final ArrayPlotDataProvider<Instant> data = new ArrayPlotDataProvider<>();
    for (int i = 0; i <= 10; ++i) data.add(new SimpleDataItem<Instant>(Instant.ofEpochSecond(10 * i), 10.0 * i - 50));
    for (int i = 0; i < data.size(); ++i) System.out.println(data.get(i));
    TimeDataSearch search = new TimeDataSearch();
    int index = search.findClosestSample(data, Instant.ofEpochSecond(39));
    assertThat(index, not(equalTo(-1)));
    PlotDataItem<Instant> sample = data.get(index);
    assertThat(sample.getPosition().getEpochSecond(), equalTo(40L));
    assertThat(sample.getValue(), equalTo(-10.0));
    index = search.findClosestSample(data, Instant.ofEpochSecond(32));
    assertThat(index, not(equalTo(-1)));
    sample = data.get(index);
    assertThat(sample.getPosition().getEpochSecond(), equalTo(30L));
    assertThat(sample.getValue(), equalTo(-20.0));
}