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

Example 11 with DataColumnDomainCreator

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

the class TestDataGenerator method createNominalTargetColumn.

public static TreeTargetNominalColumnData createNominalTargetColumn(final String[] values) {
    DataColumnDomainCreator dc = new DataColumnDomainCreator(Arrays.stream(values).distinct().map(s -> new StringCell(s)).toArray(i -> new StringCell[i]));
    DataColumnSpecCreator specCreator = new DataColumnSpecCreator("test-target", StringCell.TYPE);
    specCreator.setDomain(dc.createDomain());
    DataColumnSpec targetSpec = specCreator.createSpec();
    TreeTargetColumnDataCreator targetCreator = new TreeTargetNominalColumnDataCreator(targetSpec);
    for (int i = 0; i < values.length; i++) {
        RowKey rowKey = RowKey.createRowKey((long) i);
        targetCreator.add(rowKey, new StringCell(values[i]));
    }
    return (TreeTargetNominalColumnData) targetCreator.createColumnData();
}

Example 12 with DataColumnDomainCreator

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

the class AbstractPlotter method createNominalYCoordinate.

/**
 * Creates a nominal y axis.
 *
 * @param values the possible values.
 */
public void createNominalYCoordinate(final Set<DataCell> values) {
    DataColumnDomainCreator domainCreator = new DataColumnDomainCreator();
    domainCreator.setValues(values);
    DataColumnSpecCreator specCreator = new DataColumnSpecCreator("X", StringCell.TYPE);
    specCreator.setDomain(domainCreator.createDomain());
    Coordinate nominalCoordinate = Coordinate.createCoordinate(specCreator.createSpec());
    if (getYAxis() == null) {
        Axis yAxis = new Axis(Axis.VERTICAL, getDrawingPaneDimension().width);
        setYAxis(yAxis);
    }
    getYAxis().setCoordinate(nominalCoordinate);
}

Example 13 with DataColumnDomainCreator

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

the class AbstractPlotter method createNominalXCoordinate.

/**
 * Creates a nominal x axis.
 *
 * @param values the possible values.
 */
public void createNominalXCoordinate(final Set<DataCell> values) {
    DataColumnDomainCreator domainCreator = new DataColumnDomainCreator();
    domainCreator.setValues(values);
    DataColumnSpecCreator specCreator = new DataColumnSpecCreator("X", StringCell.TYPE);
    specCreator.setDomain(domainCreator.createDomain());
    Coordinate nominalCoordinate = Coordinate.createCoordinate(specCreator.createSpec());
    if (getXAxis() == null) {
        Axis xAxis = new Axis(Axis.HORIZONTAL, getDrawingPaneDimension().width);
        setXAxis(xAxis);
    }
    getXAxis().setCoordinate(nominalCoordinate);
}

Example 14 with DataColumnDomainCreator

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

the class AbstractPlotter method createXCoordinate.

/**
 * Recalculates the domain of the x axis. If preserve is set to false the
 * passed values are taken as min and max no matter was was set before. If
 * preserve is set to true (default) the possibly already available min and
 * max values are preserved.
 *
 * @param min the min value
 * @param max the max value {@link AbstractPlotter#setPreserve(boolean)}
 */
public void createXCoordinate(final double min, final double max) {
    DataColumnDomainCreator xDomainCreator = new DataColumnDomainCreator();
    double actualMin = min;
    double actualMax = max;
    if (getXAxis() != null && getXAxis().getCoordinate() != null && m_preserve) {
        if (!(getXAxis().getCoordinate() instanceof NumericCoordinate)) {
            return;
        }
        actualMin = Math.min(min, ((NumericCoordinate) getXAxis().getCoordinate()).getMinDomainValue());
        actualMax = Math.max(max, ((NumericCoordinate) getXAxis().getCoordinate()).getMaxDomainValue());
    }
    xDomainCreator.setLowerBound(new DoubleCell(actualMin));
    xDomainCreator.setUpperBound(new DoubleCell(actualMax));
    DataColumnSpecCreator xSpecCreator = new DataColumnSpecCreator("X", DoubleCell.TYPE);
    xSpecCreator.setDomain(xDomainCreator.createDomain());
    Coordinate xCoordinate = Coordinate.createCoordinate(xSpecCreator.createSpec());
    if (getXAxis() == null) {
        Axis xAxis = new Axis(Axis.HORIZONTAL, getDrawingPaneDimension().width);
        setXAxis(xAxis);
    }
    getXAxis().setCoordinate(xCoordinate);
}

Example 15 with DataColumnDomainCreator

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

the class AbstractPlotter method createYCoordinate.

/**
 * Recalculates the domain of the y axis. If preserve is set to false the
 * passed values are taken as min and max no matter was was set before. If
 * preserve is set to true (default) the possibly already available min and
 * max values are preserved.
 *
 * @param min the min value
 * @param max the max value {@link AbstractPlotter#setPreserve(boolean)}
 */
public void createYCoordinate(final double min, final double max) {
    DataColumnDomainCreator yDomainCreator = new DataColumnDomainCreator();
    double actualMin = min;
    double actualMax = max;
    if (getYAxis() != null && getYAxis().getCoordinate() != null && m_preserve) {
        if (!(getYAxis().getCoordinate() instanceof NumericCoordinate)) {
            return;
        }
        actualMin = Math.min(min, ((NumericCoordinate) getYAxis().getCoordinate()).getMinDomainValue());
        actualMax = Math.max(max, ((NumericCoordinate) getYAxis().getCoordinate()).getMaxDomainValue());
    }
    yDomainCreator.setLowerBound(new DoubleCell(actualMin));
    yDomainCreator.setUpperBound(new DoubleCell(actualMax));
    DataColumnSpecCreator ySpecCreator = new DataColumnSpecCreator("Y", DoubleCell.TYPE);
    ySpecCreator.setDomain(yDomainCreator.createDomain());
    Coordinate yCoordinate = Coordinate.createCoordinate(ySpecCreator.createSpec());
    if (getYAxis() == null) {
        Axis yAxis = new Axis(Axis.VERTICAL, getDrawingPaneDimension().height);
        setYAxis(yAxis);
    }
    getYAxis().setCoordinate(yCoordinate);
}