Examples with DataArray org.knime.base.node.util.DataArray used on opensource projects

Example 11 with DataArray

use of org.knime.base.node.util.DataArray in project knime-core by knime.

the class ScatterPlotNodeView method modelChanged.

/**
 * This is going to be called by the model if the model data has changed.
 *
 * @see NodeView#modelChanged()
 */
@Override
public synchronized void modelChanged() {
    ScatterPlotNodeModel model = (ScatterPlotNodeModel) getNodeModel();
    if (model != null) {
        // clear the plot
        m_plot.clear();
        // could be the property handler,
        m_plot.setHiLiteHandler(getNodeModel().getInHiLiteHandler(0));
        // or the data table.
        m_plot.modelDataChanged(model.getRowsContainer());
        // update the x/y col selectors, this should trigger
        DataArray rows = model.getRowsContainer();
        if (rows != null) {
            m_properties.setSelectables(rows.getDataTableSpec());
        } else {
            m_properties.setSelectables(null);
        }
    }
}

Example 12 with DataArray

use of org.knime.base.node.util.DataArray in project knime-core by knime.

the class ScatterPlotter method getXmin.

/**
 * @return the lower limit of the X scale
 */
public double getXmin() {
    if (getXColName() == null) {
        return 0.0;
    }
    DataArray rows = m_rowContainer;
    if ((rows == null) || (rows.size() == 0)) {
        return 0.0;
    }
    DataTableSpec tSpec = rows.getDataTableSpec();
    int idx = tSpec.findColumnIndex(getXColName());
    if (idx < 0) {
        return 0.0;
    }
    // 'getDoubleValue' returns the first valid double value
    return getDoubleValue(m_userXmin, tSpec.getColumnSpec(idx).getDomain().getLowerBound(), rows.getMinValue(idx), Double.NaN);
}

Example 13 with DataArray

use of org.knime.base.node.util.DataArray in project knime-core by knime.

the class ScatterPlotter method getYmax.

/**
 * @return the upper limit of the Y scale
 */
public double getYmax() {
    if (getYColName() == null) {
        return 0.0;
    }
    DataArray rows = m_rowContainer;
    if ((rows == null) || (rows.size() == 0)) {
        return 0.0;
    }
    DataTableSpec tSpec = rows.getDataTableSpec();
    int idx = tSpec.findColumnIndex(getYColName());
    if (idx < 0) {
        return 0.0;
    }
    // 'getDoubleValue' returns the first valid double value
    return getDoubleValue(m_userYmax, tSpec.getColumnSpec(idx).getDomain().getUpperBound(), rows.getMaxValue(idx), Double.NaN);
}

Example 14 with DataArray

use of org.knime.base.node.util.DataArray in project knime-core by knime.

the class ScatterPlotter method getXmax.

/**
 * @return the upper limit of the X scale
 */
public double getXmax() {
    if (getXColName() == null) {
        return 0.0;
    }
    DataArray rows = m_rowContainer;
    if ((rows == null) || (rows.size() == 0)) {
        return 0.0;
    }
    DataTableSpec tSpec = rows.getDataTableSpec();
    int idx = tSpec.findColumnIndex(getXColName());
    if (idx < 0) {
        return 0.0;
    }
    // 'getDoubleValue' returns the first valid double value
    return getDoubleValue(m_userXmax, tSpec.getColumnSpec(idx).getDomain().getUpperBound(), rows.getMaxValue(idx), Double.NaN);
}

Example 15 with DataArray

use of org.knime.base.node.util.DataArray in project knime-core by knime.

the class LiftChartNodeView method modelChanged.

/**
 * {@inheritDoc}
 */
@Override
protected void modelChanged() {
    final NodeModel model = getNodeModel();
    m_liftChart.setDataProvider((DataProvider) model);
    m_gainChart.setDataProvider(new DataProvider() {

        public DataArray getDataArray(final int index) {
            return ((LiftChartNodeModel) model).getDataArray(1);
        }
    });
    m_liftChart.updatePaintModel();
    m_gainChart.updatePaintModel();
}