Java Code Examples for ij.measure.ResultsTable#getCounter()

/**
 * Add a results table to the already existing table.
 * @param rt table to add
 * @return current results builder
 */
public ResultsBuilder addResult (ResultsTable rt) {
	// Keep the label and everything in the same order as before, but just append whatever columns do not exist yet
	if(allResults.size() == rt.size() ) {
		for(int c=0; c<=rt.getLastColumn(); c++) {
			String colName = rt.getColumnHeading(c);
			if( !allResults.columnExists(colName)) {
				for(int i=0; i<rt.getCounter(); i++) {
					allResults.setValue(colName, i, rt.getValue(colName, i)); // Currently only supports numbered results...
				}
			}
		}
	} else { // Overwrite
		this.allResults = rt;
	}
	
	return this;
}
 

/**
 * Get the false negative error between two label images (source and target)
 * per each individual labeled region.
 * <p>
 * False Negative Error (for each individual labeled region r) $FN_r = \frac{ |T_r \setminus S_r| }{ |T_r| }$.
 * @param sourceImage source label image
 * @param targetImage target label image
 * @return false negative error per label or null if error
 * @see <a href="http://www.insight-journal.org/browse/publication/707">http://www.insight-journal.org/browse/publication/707</a>
 */
public static final ResultsTable getFalseNegativeErrorPerLabel(
		ImageProcessor sourceImage,
		ImageProcessor targetImage )
{
	if( sourceImage.getWidth() != targetImage.getWidth() ||
			sourceImage.getHeight() != targetImage.getHeight() )
		return null;

	ResultsTable toTable = LabelImages.getTargetOverlapPerLabel( sourceImage, targetImage );
	// create data table
 		ResultsTable fneTable = new ResultsTable();
 		for (int i = 0; i < toTable.getCounter(); i++) {
 			fneTable.incrementCounter();
 			fneTable.addLabel( toTable.getLabel( i ) );
 			fneTable.addValue( "FalseNegativeError", 1.0 - toTable.getValue("TargetOverlap", i) );
 		}
 	    return fneTable;
}
 

/**
 * Get the false negative error between two label images (source and target)
 * per each individual labeled region.
 * <p>
 * False Negative Error (for each individual labeled region r) $FN_r = \frac{ |T_r \setminus S_r| }{ |T_r| }$.
 * @param sourceImage source label image
 * @param targetImage target label image
 * @return false negative error per label or null if error
 * @see <a href="http://www.insight-journal.org/browse/publication/707">http://www.insight-journal.org/browse/publication/707</a>
 */
public static final ResultsTable getFalseNegativeErrorPerLabel(
		ImageStack sourceImage,
		ImageStack targetImage )
{
	ResultsTable toTable = LabelImages.getTargetOverlapPerLabel( sourceImage, targetImage );
	// create data table
 		ResultsTable fneTable = new ResultsTable();
 		for (int i = 0; i < toTable.getCounter(); i++) {
 			fneTable.incrementCounter();
 			fneTable.addLabel( toTable.getLabel( i ) );
 			fneTable.addValue( "FalseNegativeError", 1.0 - toTable.getValue("TargetOverlap", i) );
 		}
 	    return fneTable;
}
 

/**
 * Generates abscissae from row numbers of the specified ResultsTable.
 * Useful for datasets in which only Y-values need to be plotted.
 */
private double[] generateX(final ResultsTable table) {
	final int size = table.getCounter();
	final double[] incX = new double[size];
	for (int i = 0; i < size; i++)
		incX[i] = i;
	return incX;
}
 

/** Checks if table in the "Results" window contains valid data */
private static boolean validResultsTable() {
	final ResultsTable rt = ResultsTable.getResultsTable();
	return (ResultsTable.getResultsWindow() != null && rt != null && rt.getCounter() != 0);
}
 

/**
 * Opens a tab or comma delimited text file.
 *
 * @param path
 *            The absolute pathname string of the file. A file open dialog
 *            is displayed if path is {@code null} or an empty string.
 * @param title
 *            The title of the window in which data is displayed. The
 *            filename is used if title is null or an empty string. To avoid
 *            windows with duplicated titles, title is made unique by
 *            {@link WindowManager} .
 * @param listener
 *            The {@link WindowListener} to be added to the window
 *            containing data if retrieval was successful. It is ignored
 *            when {@code null}.
 * @throws IOException
 *             if file could not be opened
 * @return A reference to the opened {link ResultsTable} or {@code null} if
 *         table was empty.
 *
 * @see #getTable()
 * @see ij.io.Opener#openTable(String)
 */
public static ResultsTable openAndDisplayTable(final String path, final String title, final WindowListener listener)
		throws IOException {
	ResultsTable rt = null;
	rt = ResultsTable.open(path);
	if (rt == null || rt.getCounter() == 0) // nothing to be displayed
		return null;
	rt.showRowNumbers(false);
	String rtTitle = (title != null && !title.isEmpty()) ? title : OpenDialog.getLastName();
	rtTitle = WindowManager.makeUniqueName(rtTitle);
	rt.show(rtTitle);
	final TextWindow rtWindow = (TextWindow) WindowManager.getFrame(rtTitle);
	if (rtWindow != null && listener != null)
		rtWindow.addWindowListener(listener);
	return rt;
}
 

/**
 * Returns a reference to the default IJ Results table. It the Results table
 * is not displayed or is empty, prompts the user for data to populate it
 * (by using {@link #getTable(boolean, WindowListener)} to display data in
 * the "Results" window). This method is thought for IJ macros, since the IJ
 * macro language can only interact with the "Results" window. Note that any
 * previous data in the "Results" window will be lost.
 *
 * @return A reference to the populated {@code ResultsTable} in the
 *         "Results" window or {@code null} if chosen source did not contain
 *         valid data. Note that the IJ1 macro interpreter converts all
 *         returned objects into their String values
 *
 * @see #getTable()
 */
public static ResultsTable getResultsTable() {
	try {
		ResultsTable table = ResultsTable.getResultsTable();
		if (table == null || table.getCounter() == 0)
			table = getTable(true, null);
		return table;
	} catch (final Exception ignored) { // useful for IJM calls
		return null;
	}
}