Examples with ArrayInt org.diirt.util.array.ArrayInt used on opensource projects

Example 1 with ArrayInt

use of org.diirt.util.array.ArrayInt in project yamcs-studio by yamcs.

the class VTableFactory method union.

public static VTable union(VString extraColumnName, final VStringArray extraColumnData, final VTable... tables) {
    // Prune nulls
    final List<String> extraColumnDataPruned = new ArrayList<>();
    final List<VTable> tablesPruned = new ArrayList<>();
    for (int i = 0; i < tables.length; i++) {
        VTable table = tables[i];
        if (table != null) {
            extraColumnDataPruned.add(extraColumnData.getData().get(i));
            tablesPruned.add(table);
        }
    }
    if (tablesPruned.isEmpty()) {
        return null;
    }
    List<String> columnNames = new ArrayList<>();
    List<Class<?>> columnTypes = new ArrayList<>();
    List<Map<String, VColumn>> tableColumns = new ArrayList<>();
    if (extraColumnName != null) {
        columnNames.add(extraColumnName.getValue());
        columnTypes.add(String.class);
    }
    int[] tableOffsets = new int[tablesPruned.size()];
    int currentOffset = 0;
    for (int k = 0; k < tablesPruned.size(); k++) {
        VTable table = tablesPruned.get(k);
        if (table == null) {
            continue;
        }
        tableOffsets[k] = currentOffset;
        currentOffset += table.getRowCount();
        tableColumns.add(VColumn.columnMap(table));
        for (int i = 0; i < table.getColumnCount(); i++) {
            String name = table.getColumnName(i);
            if (!columnNames.contains(name)) {
                columnNames.add(name);
                columnTypes.add(table.getColumnType(i));
            }
        }
    }
    final int rowCount = currentOffset;
    final ListInt offsets = new ArrayInt(tableOffsets);
    List<Object> columnData = new ArrayList<>();
    if (extraColumnName != null) {
        columnData.add(new AbstractList<String>() {

            @Override
            public String get(int index) {
                int nTable = ListNumbers.binarySearchValueOrLower(offsets, index);
                return extraColumnDataPruned.get(nTable);
            }

            @Override
            public int size() {
                return rowCount;
            }
        });
    }
    for (int i = 1; i < columnNames.size(); i++) {
        String columnName = columnNames.get(i);
        List<VColumn> columns = new ArrayList<>();
        for (int j = 0; j < tableColumns.size(); j++) {
            columns.add(tableColumns.get(j).get(columnName));
        }
        columnData.add(VColumn.combineData(columnTypes.get(i), rowCount, offsets, columns));
    }
    return ValueFactory.newVTable(columnTypes, columnNames, columnData);
}

Example 2 with ArrayInt

use of org.diirt.util.array.ArrayInt in project yamcs-studio by yamcs.

the class Histogram2DOfFormulaFunction method calculate.

@Override
public Object calculate(List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VTable table = (VTable) args.get(0);
    VString yColumnName = (VString) args.get(1);
    VString xColumnName = (VString) args.get(2);
    ListNumber yData = ValueUtil.numericColumnOf(table, yColumnName.getValue());
    ListNumber xData = ValueUtil.numericColumnOf(table, xColumnName.getValue());
    int nPoints = Math.min(yData.size(), xData.size());
    Statistics xStats = StatisticsUtil.statisticsOf(xData);
    Statistics yStats = StatisticsUtil.statisticsOf(yData);
    int nXBins = 20;
    int nYBins = 20;
    Range aggregatedXRange = Ranges.aggregateRange(xStats.getRange(), previousXRange);
    Range aggregatedYRange = Ranges.aggregateRange(yStats.getRange(), previousYRange);
    Range xRange;
    Range yRange;
    if (Ranges.overlap(aggregatedXRange, xStats.getRange()) >= 0.90) {
        xRange = aggregatedXRange;
    } else {
        xRange = xStats.getRange();
    }
    if (Ranges.overlap(aggregatedYRange, yStats.getRange()) >= 0.90) {
        yRange = aggregatedYRange;
    } else {
        yRange = yStats.getRange();
    }
    double minXValueRange = xRange.getMinimum();
    double maxXValueRange = xRange.getMaximum();
    double minYValueRange = yRange.getMinimum();
    double maxYValueRange = yRange.getMaximum();
    ListNumber xBoundaries = ListNumbers.linearListFromRange(minXValueRange, maxXValueRange, nXBins + 1);
    ListNumber yBoundaries = ListNumbers.linearListFromRange(minYValueRange, maxYValueRange, nYBins + 1);
    int[] binData = new int[nXBins * nYBins];
    double maxCount = 0;
    for (int i = 0; i < nPoints; i++) {
        double xValue = xData.getDouble(i);
        double yValue = yData.getDouble(i);
        // Check value in range
        if (xRange.contains(xValue)) {
            if (yRange.contains(yValue)) {
                int xBin = (int) Math.floor(xRange.normalize(xValue) * nXBins);
                int yBin = (int) Math.floor(yRange.normalize(yValue) * nYBins);
                if (xBin == nXBins) {
                    xBin--;
                }
                if (yBin == nYBins) {
                    yBin--;
                }
                int binIndex = yBin * nXBins + xBin;
                binData[binIndex]++;
                if (binData[binIndex] > maxCount) {
                    maxCount = binData[binIndex];
                }
            }
        }
    }
    // time based "forget"
    if (previousMaxCount > maxCount && (previousMaxCount < maxCount * 2.0 || maxCount < 9)) {
        maxCount = previousMaxCount;
    }
    previousMaxCount = maxCount;
    previousXRange = xRange;
    previousXData = xData;
    previousYData = yData;
    previousResult = newVNumberArray(new ArrayInt(binData), new ArrayInt(nYBins, nXBins), Arrays.asList(newDisplay(yBoundaries, ""), newDisplay(xBoundaries, "")), alarmNone(), timeNow(), newDisplay(0.0, 0.0, 0.0, "count", NumberFormats.format(0), maxCount, maxCount, maxCount, Double.NaN, Double.NaN));
    return previousResult;
}

Example 3 with ArrayInt

use of org.diirt.util.array.ArrayInt in project yamcs-studio by yamcs.

the class Sine2DWaveform method nextValue.

@Override
VDoubleArray nextValue() {
    if (initialReference == null) {
        initialReference = lastTime;
    }
    double t = initialReference.until(lastTime, ChronoUnit.SECONDS);
    double omega = 2 * Math.PI / periodInSeconds;
    double k = 2 * Math.PI / wavelengthInSamples;
    double min = -1.0;
    double max = 1.0;
    double range = 0.0;
    return (VDoubleArray) ValueFactory.newVNumberArray(generateNewValue(omega, t, k), new ArrayInt(ySamples, xSamples), ValueUtil.defaultArrayDisplay(new ArrayInt(ySamples, xSamples)), alarmNone(), newTime(lastTime), newDisplay(min, min + range * 0.1, min + range * 0.2, "", Constants.DOUBLE_FORMAT, min + range * 0.8, min + range * 0.9, max, min, max));
}

Example 4 with ArrayInt

use of org.diirt.util.array.ArrayInt in project org.csstudio.display.builder by kasemir.

the class FormatOptionHandlerTest method testString.

@Test
public void testString() throws Exception {
    // Actual String
    VType value = ValueFactory.newVString("Test1", ValueFactory.alarmNone(), ValueFactory.timeNow());
    String text = FormatOptionHandler.format(value, FormatOption.DEFAULT, -1, true);
    System.out.println(text);
    assertThat(text, equalTo("Test1"));
    text = FormatOptionHandler.format(value, FormatOption.STRING, -1, true);
    System.out.println(text);
    assertThat(text, equalTo("Test1"));
    text = FormatOptionHandler.format(value, FormatOption.EXPONENTIAL, -1, true);
    System.out.println(text);
    assertThat(text, equalTo("Test1"));
    // Number interpreted as char
    value = ValueFactory.newVDouble(65.0, display);
    text = FormatOptionHandler.format(value, FormatOption.STRING, -1, true);
    System.out.println(text);
    assertThat(text, equalTo("A V"));
    // Number array interpreted as long string
    // UTF-8 for 'Hello'
    ListNumber data = new ArrayInt(72, 101, 108, 108, 111);
    value = ValueFactory.newVNumberArray(data, ValueFactory.alarmNone(), ValueFactory.timeNow(), display);
    System.out.println(value);
    text = FormatOptionHandler.format(value, FormatOption.STRING, -1, true);
    System.out.println(text);
    assertThat(text, equalTo("Hello"));
    data = new ArrayInt(/* Dollar */
    0x24, /* Euro */
    0xE2, 0x82, 0xAC);
    value = ValueFactory.newVNumberArray(data, ValueFactory.alarmNone(), ValueFactory.timeNow(), display);
    System.out.println(value);
    text = FormatOptionHandler.format(value, FormatOption.STRING, -1, true);
    System.out.println(text);
    // For this to work, Eclipse IDE Preferences -> General -> Workspace -> Text file encoding
    // must be set to UTF-8, which is the default on Linux but not necessarily Windows
    assertThat(text, equalTo("$€"));
}

Example 5 with ArrayInt

use of org.diirt.util.array.ArrayInt in project org.csstudio.display.builder by kasemir.

the class ImagePlot method setCrosshairLocation.

/**
 * Set location of crosshair
 *  @param x_val
 *  @param y_val
 */
public void setCrosshairLocation(final double x_val, final double y_val, final RTImagePlotListener listener) {
    if (Double.isNaN(x_val) || Double.isNaN(y_val)) {
        if (crosshair_position == null)
            return;
        crosshair_position = null;
        if (listener != null)
            listener.changedCursorInfo(Double.NaN, Double.NaN, -1, -1, Double.NaN);
        requestRedraw();
        return;
    }
    final Point2D pos = new Point2D(x_val, y_val);
    if (pos.equals(crosshair_position))
        return;
    crosshair_position = pos;
    if (listener != null)
        listener.changedCrosshair(x_val, y_val);
    // Location as coordinate in image
    // No "+0.5" rounding! Truncate to get full pixel offsets,
    // don't jump to next pixel when mouse moves beyond 'half' of the current pixel.
    // Use -1 to mark location outside of data width resp. height.
    int image_x = (int) (data_width * (x_val - min_x) / (max_x - min_x));
    if (image_x < 0)
        image_x = -1;
    else if (image_x >= data_width)
        image_x = -1;
    // Mouse and image coords for Y go 'down'
    int image_y = (int) (data_height * (max_y - y_val) / (max_y - min_y));
    if (image_y < 0)
        image_y = -1;
    else if (image_y >= data_height)
        image_y = -1;
    final ListNumber data = image_data;
    double pixel = Double.NaN;
    if (data != null && image_x >= 0 && image_y >= 0) {
        final int offset = image_x + image_y * data_width;
        try {
            if (unsigned_data) {
                if (data instanceof ArrayByte)
                    pixel = Byte.toUnsignedInt(data.getByte(offset));
                else if (data instanceof ArrayShort)
                    pixel = Short.toUnsignedInt(data.getShort(offset));
                else if (data instanceof ArrayInt)
                    pixel = Integer.toUnsignedLong(data.getInt(offset));
                else
                    pixel = data.getDouble(offset);
            } else
                pixel = data.getDouble(offset);
        } catch (Throwable ex) {
            // Catch ArrayIndexOutOfBoundsException or other internal errors of ListNumber
            logger.log(Level.WARNING, "Error accessing pixel " + image_x + ", " + image_y + " of data with size " + data.size());
        // leave pixel == Double.NaN;
        }
    }
    if (listener != null)
        listener.changedCursorInfo(x_val, y_val, image_x, image_y, pixel);
    requestRedraw();
}