Examples with DoubleValue org.knime.core.data.DoubleValue used on opensource projects

Example 76 with DoubleValue

use of org.knime.core.data.DoubleValue in project knime-core by knime.

the class AffineTransRowIterator method next.

/**
 * {@inheritDoc}
 */
@Override
public DataRow next() {
    AffineTransConfiguration config = m_transtable.getConfiguration();
    int[] indices = m_transtable.getIndicesInConfiguration();
    double[] scales = config.getScales();
    double[] translations = config.getTranslations();
    double[] min = config.getMin();
    double[] max = config.getMax();
    final DataRow in = m_it.next();
    final DataCell[] cells = new DataCell[in.getNumCells()];
    for (int i = 0; i < cells.length; i++) {
        final DataCell oldCell = in.getCell(i);
        if (oldCell.isMissing() || indices[i] == -1) {
            cells[i] = oldCell;
        } else {
            int index = indices[i];
            double interval = max[index] - min[index];
            double oldDouble = ((DoubleValue) oldCell).getDoubleValue();
            double newDouble = scales[index] * oldDouble + translations[index];
            if (!Double.isNaN(min[index])) {
                if (newDouble < min[index]) {
                    if ((min[index] - newDouble) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = min[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Lower Bound: " + min[index]);
                    }
                }
            }
            if (!Double.isNaN(max[index])) {
                if (newDouble > max[index]) {
                    if ((newDouble - max[index]) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = max[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Upper Bound: " + max[index]);
                    }
                }
            }
            cells[i] = new DoubleCell(newDouble);
        }
    }
    return new DefaultRow(in.getKey(), cells);
}

Example 77 with DoubleValue

use of org.knime.core.data.DoubleValue in project knime-core by knime.

the class TableToVariableNodeModel method pushVariables.

/**
 * Pushes the variable as given by the row argument onto the stack.
 * @param variablesSpec The spec (for names and types)
 * @param currentVariables The values of the variables.
 * @throws Exception if the node is supposed to fail on missing values or empty table
 */
protected void pushVariables(final DataTableSpec variablesSpec, final DataRow currentVariables) throws Exception {
    // push also the rowID onto the stack
    final String rowIDVarName = "RowID";
    final boolean fail = m_onMV.getStringValue().equals(MissingValuePolicy.FAIL.getName());
    final boolean defaults = m_onMV.getStringValue().equals(MissingValuePolicy.DEFAULT.getName());
    pushFlowVariableString(rowIDVarName, currentVariables == null ? "" : currentVariables.getKey().getString());
    final DataCell[] defaultCells = createDefaultCells(variablesSpec);
    // column names starting with "knime." are uniquified as they represent global constants
    final HashSet<String> variableNames = new HashSet<String>();
    variableNames.add(rowIDVarName);
    final int colCount = variablesSpec.getNumColumns();
    for (int i = colCount; --i >= 0; ) {
        DataColumnSpec spec = variablesSpec.getColumnSpec(i);
        DataType type = spec.getType();
        String name = spec.getName();
        if (name.equals("knime.")) {
            name = "column_" + i;
        } else if (name.startsWith("knime.")) {
            name = name.substring("knime.".length());
        }
        int uniquifier = 1;
        String basename = name;
        while (!variableNames.add(name)) {
            name = basename + "(#" + (uniquifier++) + ")";
        }
        final DataCell cell;
        if (currentVariables == null) {
            if (fail) {
                throw new Exception("No rows in input table");
            } else if (defaults) {
                cell = defaultCells[i];
            } else {
                // omit
                cell = null;
            }
        } else if (currentVariables.getCell(i).isMissing()) {
            if (fail) {
                throw new Exception(String.format("Missing Values not allowed as variable values -- " + "in row with ID \"%s\", column \"%s\" (index %d)", currentVariables.getKey(), variablesSpec.getColumnSpec(i).getName(), i));
            } else if (defaults) {
                cell = defaultCells[i];
            } else {
                // omit
                cell = null;
            }
        } else {
            // take the value from the input table row
            cell = currentVariables.getCell(i);
        }
        if (cell != null) {
            if (type.isCompatible(IntValue.class)) {
                pushFlowVariableInt(name, ((IntValue) cell).getIntValue());
            } else if (type.isCompatible(DoubleValue.class)) {
                pushFlowVariableDouble(name, ((DoubleValue) cell).getDoubleValue());
            } else if (type.isCompatible(StringValue.class)) {
                pushFlowVariableString(name, ((StringValue) cell).getStringValue());
            }
        }
    }
}

Example 78 with DoubleValue

use of org.knime.core.data.DoubleValue in project knime-core by knime.

the class Numeric2BitVectorThresholdCellFactory method getCell.

/**
 * {@inheritDoc}
 */
@Override
public DataCell getCell(final DataRow row) {
    incrementNrOfRows();
    org.knime.core.data.vector.bitvector.BitVectorCellFactory<? extends DataCell> factory = m_vectorType.getCellFactory(m_colIdxs.length);
    for (int i = 0; i < m_colIdxs.length; i++) {
        final DataCell cell = row.getCell(m_colIdxs[i]);
        if (cell.isMissing()) {
            m_totalNrOf0s++;
            continue;
        }
        if (cell instanceof DoubleValue) {
            double currValue = ((DoubleValue) cell).getDoubleValue();
            if (currValue >= m_threshold) {
                factory.set(i);
                m_totalNrOf1s++;
            } else {
                m_totalNrOf0s++;
            }
        } else {
            printError(LOGGER, row, "Incompatible type found.");
            return DataType.getMissingCell();
        }
    }
    return factory.createDataCell();
}

Example 79 with DoubleValue

use of org.knime.core.data.DoubleValue in project knime-core by knime.

the class DoubleCellFilterRowGenerator method isIn.

/**
 * Checks if the given row lies within the define interval borders.
 *
 * @param row the row which should be checked for being inside the interval
 * @return <code>true</code> if inside the define interval
 * @throws NullPointerException if the given row is <code>null</code>
 * @throws ClassCastException if the row's cell is not of type
 *             {@link org.knime.core.data.def.DoubleCell}
 */
@Override
public boolean isIn(final DataRow row) {
    DataCell cell = row.getCell(m_columnIndex);
    if (cell.isMissing()) {
        return false;
    }
    // retrieve double value at column index
    double dbl = ((DoubleValue) cell).getDoubleValue();
    // if single border
    if (m_mask[1] == EMPTY_MASK) {
        return check(dbl, 0);
    } else {
        // if closed intervall
        if ((m_mask[0] & RIGHT) == RIGHT && (m_mask[1] & LEFT) == LEFT) {
            // has to be betweem both borders
            return check(dbl, 0) && check(dbl, 1);
        } else {
            // has to be at exactly one
            return check(dbl, 0) ^ check(dbl, 1);
        }
    }
}

Example 80 with DoubleValue

use of org.knime.core.data.DoubleValue in project knime-core by knime.

the class MissingValuePanel method getFixTextField.

/*
     * Helper in constructor, generates the text field to enter the replacement
     * value.
     */
private static JComponent getFixTextField(final ColSetting setting, final DataColumnSpec spec) {
    JComponent fixText;
    // FIX text field
    DataCell fixCell = setting.getFixCell();
    switch(setting.getType()) {
        case ColSetting.TYPE_DOUBLE:
            fixText = new JFormattedTextField();
            ((JFormattedTextField) fixText).setColumns(8);
            Double doubel;
            if (fixCell == null) {
                doubel = new Double(0.0);
            } else {
                double d = ((DoubleValue) fixCell).getDoubleValue();
                doubel = new Double(d);
            }
            ((JFormattedTextField) fixText).setValue(doubel);
            break;
        case ColSetting.TYPE_INT:
            fixText = new JFormattedTextField();
            ((JFormattedTextField) fixText).setColumns(8);
            Integer integer;
            if (fixCell == null) {
                integer = new Integer(0);
            } else {
                int i = ((IntValue) fixCell).getIntValue();
                integer = new Integer(i);
            }
            ((JFormattedTextField) fixText).setValue(integer);
            break;
        case ColSetting.TYPE_STRING:
            DataCell[] vals;
            if (spec != null && spec.getDomain().hasValues()) {
                vals = spec.getDomain().getValues().toArray(new DataCell[0]);
            } else {
                vals = new DataCell[0];
            }
            DefaultComboBoxModel model = new DefaultComboBoxModel(vals);
            fixText = new JComboBox(model);
            ((JComboBox) fixText).setPrototypeDisplayValue("#########");
            ((JComboBox) fixText).setEditable(true);
            ((JComboBox) fixText).setRenderer(new DefaultListCellRenderer() {

                /**
                 * Overridden to set tooltip text properly.
                 * @see DefaultListCellRenderer#getListCellRendererComponent(
                 * JList, Object, int, boolean, boolean)
                 */
                @Override
                public Component getListCellRendererComponent(final JList list, final Object value, final int index, final boolean isSelected, final boolean cellHasFocus) {
                    Component c = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
                    if (c instanceof JComponent) {
                        ((JComponent) c).setToolTipText(value.toString());
                    }
                    return c;
                }
            });
            String string;
            if (fixCell == null) {
                string = "";
            } else {
                string = ((StringValue) fixCell).getStringValue();
            }
            model.setSelectedItem(string);
            break;
        default:
            throw new InternalError("No such type");
    }
    return fixText;
}