Examples with Timer org.polymap.core.runtime.Timer used on opensource projects

Example 11 with Timer

use of org.polymap.core.runtime.Timer in project polymap4-core by Polymap4.

the class PredefinedColorMap method minMax3.

/**
 * @return double[] {min, max, novalue}
 */
protected double[] minMax3(GridCoverage2D grid, IProgressMonitor monitor) {
    @SuppressWarnings("hiding") double // see OmsRasterReader
    novalue = -9999.0;
    double min = Double.POSITIVE_INFINITY;
    double max = Double.NEGATIVE_INFINITY;
    RenderedImage renderedImage = grid.getRenderedImage();
    monitor.beginTask("calculating min/max", renderedImage.getHeight());
    RectIter iter = RectIterFactory.create(renderedImage, null);
    Timer timer = new Timer();
    int sampleCount = 0;
    do {
        do {
            double value = iter.getSampleDouble();
            if (value == novalue) {
                continue;
            }
            if (value < novalue) {
                throw new IllegalStateException("XXX value < novalue : " + value);
            }
            if (value < min) {
                min = value;
            }
            if (value > max) {
                max = value;
            }
            sampleCount++;
        } while (!iter.nextPixelDone());
        iter.startPixels();
        monitor.worked(1);
    // monitor.subTask( String.valueOf( sampleCount ) );
    } while (// http://github.com/Polymap4/polymap4-core/issues/108 will be better/faster
    !iter.nextLineDone() && timer.elapsedTime() < 5000);
    monitor.done();
    log.info("minMax(): " + sampleCount + " samples in " + timer.elapsedTime() + "ms");
    // XXX check novalue
    return new double[] { min, max, novalue };
}

Example 12 with Timer

use of org.polymap.core.runtime.Timer in project polymap4-core by Polymap4.

the class PredefinedColorMapEditor method minMax.

protected double[] minMax(GridCoverage2D grid) {
    GridGeometry2D geometry = grid.getGridGeometry();
    GridEnvelope gridRange = geometry.getGridRange();
    int w = gridRange.getHigh(0);
    int h = gridRange.getHigh(1);
    Timer timer = new Timer();
    Random random = new Random();
    double min = Double.MAX_VALUE;
    double max = Double.MIN_VALUE;
    double[] values = new double[1];
    for (int i = 0; i < 10000 || timer.elapsedTime() < 1000; i++) {
        grid.evaluate(new GridCoordinates2D(random.nextInt(w), random.nextInt(h)), values);
        min = values[0] < min ? values[0] : min;
        max = values[0] > max ? values[0] : max;
    }
    return new double[] { min, max };
}

Example 13 with Timer

use of org.polymap.core.runtime.Timer in project polymap4-core by Polymap4.

the class PerformanceCacheTest method tstLoader.

public void tstLoader() throws Exception {
    Timer timer = new Timer();
    int count = 0;
    while (timer.elapsedTime() < 10000) {
        log.println("adding 1000 to " + cache.size());
        for (int i = 0; i < 1000; i++) {
            cache.get(new Object(), key -> new byte[1024]);
            count++;
        }
        Thread.sleep(100);
    }
    long time = timer.elapsedTime();
    log.println("Loops: " + count + " in " + time + "ms -> " + (1000f * count / time) + "/s");
}

Example 14 with Timer

use of org.polymap.core.runtime.Timer in project polymap4-core by Polymap4.

the class PerformanceCacheTest method tstRandom.

public void tstRandom() throws Exception {
    Timer timer = new Timer();
    int count = 0;
    Random random = new Random();
    ByteArrayLoader loader = new ByteArrayLoader();
    while (timer.elapsedTime() < 5000) {
        log.println("adding 1000 to " + cache.size());
        for (int i = 0; i < 10000; i++) {
            Integer key = new Integer((int) (Math.abs(random.nextGaussian()) * 400000));
            cache.get(key, loader);
            count++;
        }
    }
    long time = timer.elapsedTime();
    log.println("Loops: " + count + " in " + time + "ms -> " + (1000f * count / time) + "/s");
}

Example 15 with Timer

use of org.polymap.core.runtime.Timer in project polymap4-core by Polymap4.

the class Cache304 method updateLayer.

public void updateLayer(String layer, Geometry changed) {
    // flush queue
    if (!updateQueue.isEmpty()) {
        log.warn("Queue is not empty before updateLayer()!");
    }
    // remove all tiles for layer
    IRecordStore.Updater tx = null;
    try {
        lock.writeLock().tryLock(3, TimeUnit.SECONDS);
        SimpleQuery query = new SimpleQuery();
        query.eq(CachedTile.TYPE.layerId.name(), layer);
        query.setMaxResults(1000000);
        ResultSet resultSet = store.find(query);
        log.debug("Removing tiles: " + resultSet.count());
        Timer timer = new Timer();
        tx = store.prepareUpdate();
        for (IRecordState record : resultSet) {
            deleteTile(record, tx);
        }
        tx.apply(true);
        log.debug("done. (" + timer.elapsedTime() + "ms)");
    } catch (Exception e) {
        if (tx != null) {
            tx.discard();
        }
    } finally {
        lock.writeLock().unlock();
    }
}