/**
* Generates a zero crossing mask for a 2D function. Sets a ModelImage to 255 if a zero crossing
* is detected.
*
* @param slice the slice of the volume which we are working on (0 if from 2D image)
* @param buffer array in which to find zero crossing
* @param detectionType the type of zero crossing detection to perform
*/
public void genZeroXMask(int slice, float[] buffer, int detectionType) {
float x0, x1, x2, x3;
int i0, i1, i2, i3;
int i, j;
int indexY;
int length;
int xDim = srcImage.getExtents()[0];
int yDim = srcImage.getExtents()[1];
length = xDim * yDim;
int xxDim = xDim - 1;
int yyDim = yDim - 1;
float level = 0;
int offset = slice * length;
for (j = 0; j < yyDim; j++) {
indexY = j * xDim;
for (i = 0; i < xxDim; i++) {
i0 = indexY + i;
if (detectionType == MARCHING_SQUARES) {
i1 = i0 + 1;
i2 = i0 + xDim;
i3 = i0 + 1 + xDim;
x0 = buffer[i0];
x1 = buffer[i1];
x2 = buffer[i2];
x3 = buffer[i3];
if ((x0 >= level)
&& (x1 >= level)
&& (x2 >= level)
&& (x3 >= level)) { // case 0 - no edge
} else if ((x0 >= level) && (x1 >= level) && (x2 < level) && (x3 >= level)) {
// case 1 - edge in the lower left
zXMask.set(offset + i2, 255);
} else if ((x0 >= level) && (x1 >= level) && (x2 >= level) && (x3 < level)) {
// case 2 - edge in the lower right
zXMask.set(offset + i3, 255);
} else if ((x0 >= level) && (x1 >= level) && (x2 < level) && (x3 < level)) {
// case 3 - edge horizontally
zXMask.set(offset + i2, 255);
zXMask.set(offset + i3, 255);
} else if ((x0 >= level) && (x1 < level) && (x2 >= level) && (x3 >= level)) {
// case 4 - edge in the upper right
zXMask.set(offset + i1, 255);
} else if ((x0 >= level) && (x1 < level) && (x2 < level) && (x3 >= level)) {
// case 5 - ambiguous case; either edge in upper right and lower left or
// edge that goes from the upper right to the lower left
zXMask.set(offset + i1, 255);
zXMask.set(offset + i2, 255);
} else if ((x0 >= level) && (x1 < level) && (x2 >= level) && (x3 < level)) {
// case 6 - edge going vertically along the right
zXMask.set(offset + i1, 255);
zXMask.set(offset + i3, 255);
} else if ((x0 >= level) && (x1 < level) && (x2 < level) && (x3 < level)) {
// case 7 - edge in the upper left
zXMask.set(offset + i0, 255);
} else if ((x0 < level) && (x1 >= level) && (x2 >= level) && (x3 >= level)) {
// case 8 - edge in the upper left
zXMask.set(offset + i0, 255);
} else if ((x0 < level) && (x1 >= level) && (x2 < level) && (x3 >= level)) {
// case 9 - edge going vertically along the left
zXMask.set(offset + i0, 255);
zXMask.set(offset + i2, 255);
} else if ((x0 < level) && (x1 >= level) && (x2 >= level) && (x3 < level)) {
// case 10 - ambiguous case; either edge in upper left and lower right or
// edge that goes from the upper left to the lower right
zXMask.set(offset + i0, 255);
zXMask.set(offset + i3, 255);
} else if ((x0 < level) && (x1 >= level) && (x2 < level) && (x3 < level)) {
// case 11 - edge in the upper right
zXMask.set(offset + i1, 255);
} else if ((x0 < level) && (x1 < level) && (x2 >= level) && (x3 >= level)) {
// case 12 - edge going horizontally along the top
zXMask.set(offset + i0, 255);
zXMask.set(offset + i1, 255);
} else if ((x0 < level) && (x1 < level) && (x2 < level) && (x3 >= level)) {
// case 13 - edge in the lower right
zXMask.set(offset + i3, 255);
} else if ((x0 < level) && (x1 < level) && (x2 >= level) && (x3 < level)) {
// case 14 - edge in the lower left
zXMask.set(offset + i2, 255);
} else if ((x0 < level)
&& (x1 < level)
&& (x2 < level)
&& (x3 < level)) { // case 15 - no edge
}
} else if (detectionType == NEGATIVE_EDGES) {
if (buffer[i0] <= 1) {
zXMask.set(offset + i0, 255);
}
} else if (detectionType == OLD_DETECTION) {
i1 = i0 + 1;
i2 = i0 + xDim;
i3 = i0 + 1 + xDim;
x0 = buffer[i0];
x1 = buffer[i1];
x2 = buffer[i2];
x3 = buffer[i3];
if ((x0 > level) && (x1 > level) && (x2 > level) && (x3 > level)) {
zXMask.set(offset + i0, 0);
} else if ((x0 < level) && (x1 < level) && (x2 < level) && (x3 < level)) {
zXMask.set(offset + i0, 0);
} else {
zXMask.set(offset + i0, 255);
}
}
}
}
FileInfoBase[] fileInfo = zXMask.getFileInfo();
fileInfo[slice].setModality(srcImage.getFileInfo()[slice].getModality());
fileInfo[slice].setFileDirectory(srcImage.getFileInfo()[slice].getFileDirectory());
fileInfo[slice].setEndianess(srcImage.getFileInfo()[slice].getEndianess());
fileInfo[slice].setUnitsOfMeasure(srcImage.getFileInfo()[slice].getUnitsOfMeasure());
fileInfo[slice].setResolutions(srcImage.getFileInfo()[slice].getResolutions());
fileInfo[slice].setExtents(zXMask.getExtents());
fileInfo[slice].setMax(255);
fileInfo[slice].setMin(0);
fileInfo[slice].setPixelPadValue(srcImage.getFileInfo()[slice].getPixelPadValue());
fileInfo[slice].setPhotometric(srcImage.getFileInfo()[slice].getPhotometric());
}
/** Sets up the GUI (panels, buttons, etc) and displays it on the screen. */
private void init() {
if (image.getFileInfo(0).getFileFormat() == FileUtility.DICOM) {
FileInfoDicom dicomInfo = (FileInfoDicom) image.getFileInfo(0);
FileDicomTagTable tagTable = dicomInfo.getTagTable();
if (tagTable.getValue("0018,1310") != null) {
// Acquisition matrix
FileDicomTag tag = tagTable.get(new FileDicomKey("0018,1310"));
Object[] values = tag.getValueList();
int valNumber = values.length;
if ((valNumber == 4) && (values instanceof Short[])) {
int frequencyRows = ((Short) values[0]).intValue();
Preferences.debug("frequencyRows = " + frequencyRows + "\n");
int frequencyColumns = ((Short) values[1]).intValue();
Preferences.debug("frequencyColumns = " + frequencyColumns + "\n");
int phaseRows = ((Short) values[2]).intValue();
Preferences.debug("phaseRows = " + phaseRows + "\n");
int phaseColumns = ((Short) values[3]).intValue();
Preferences.debug("phaseColumns = " + phaseColumns + "\n");
if ((frequencyRows > 0) && (phaseRows == 0)) {
subYDim = frequencyRows;
} else if ((frequencyRows == 0) && (phaseRows > 0)) {
subYDim = phaseRows;
}
if ((frequencyColumns > 0) && (phaseColumns == 0)) {
subXDim = frequencyColumns;
} else if ((frequencyColumns == 0) && (phaseColumns > 0)) {
subXDim = phaseColumns;
}
}
} // if (tagTable.getValue("0018,1310") != null)
if (tagTable.getValue("0019,100A") != null) {
FileDicomTag tag = tagTable.get(new FileDicomKey("0019,100A"));
Object value = tag.getValue(false);
if (value instanceof Short) {
numberOfImagesInMosaic = ((Short) value).intValue();
Preferences.debug("Number of images in mosaic = " + numberOfImagesInMosaic + "\n");
}
} // if (tagTable.getValue("0019,100A") != null)
} // if (image.getFileInfo(0).getFileFormat() == FileUtility.DICOM)*/
setForeground(Color.black);
setTitle("Mosaic To 3D Volume");
JPanel inputPanel = new JPanel(new GridBagLayout());
inputPanel.setForeground(Color.black);
inputPanel.setBorder(buildTitledBorder("Image"));
JLabel labelUse = new JLabel("Image:");
labelUse.setForeground(Color.black);
labelUse.setFont(serif12);
JLabel labelImage = new JLabel(image.getImageName());
labelImage.setForeground(Color.black);
labelImage.setFont(serif12);
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.gridheight = 1;
gbc.gridwidth = 1;
gbc.anchor = GridBagConstraints.WEST;
gbc.weightx = 1;
gbc.insets = new Insets(5, 5, 5, 5);
inputPanel.add(labelUse, gbc);
gbc.gridx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
inputPanel.add(labelImage, gbc);
JPanel dimensionPanel = new JPanel(new GridBagLayout());
dimensionPanel.setForeground(Color.black);
dimensionPanel.setBorder(buildTitledBorder("X and Y Dimensions of Result"));
JLabel labelXDim = new JLabel("X dimension of slices");
labelXDim.setForeground(Color.black);
labelXDim.setFont(serif12);
textXDim = new JTextField(10);
if (subXDim != 0) {
textXDim.setText(String.valueOf(subXDim));
}
textXDim.setFont(serif12);
textXDim.setForeground(Color.black);
JLabel labelYDim = new JLabel("Y dimension of slices");
labelYDim.setForeground(Color.black);
labelYDim.setFont(serif12);
textYDim = new JTextField(10);
if (subYDim != 0) {
textYDim.setText(String.valueOf(subYDim));
}
textYDim.setFont(serif12);
textYDim.setForeground(Color.black);
JLabel labelNumberImages = new JLabel("Number of images in mosaic");
labelNumberImages.setForeground(Color.black);
labelNumberImages.setFont(serif12);
textNumberImages = new JTextField(10);
if (numberOfImagesInMosaic != 0) {
textNumberImages.setText(String.valueOf(numberOfImagesInMosaic));
}
textNumberImages.setFont(serif12);
textNumberImages.setForeground(Color.black);
gbc.gridx = 0;
gbc.gridy = 0;
dimensionPanel.add(labelXDim, gbc);
gbc.gridx = 1;
dimensionPanel.add(textXDim, gbc);
gbc.gridx = 0;
gbc.gridy = 1;
dimensionPanel.add(labelYDim, gbc);
gbc.gridx = 1;
dimensionPanel.add(textYDim, gbc);
gbc.gridx = 0;
gbc.gridy = 2;
dimensionPanel.add(labelNumberImages, gbc);
gbc.gridx = 1;
dimensionPanel.add(textNumberImages, gbc);
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(inputPanel, BorderLayout.NORTH);
mainPanel.add(dimensionPanel, BorderLayout.CENTER);
mainPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
JPanel buttonPanel = new JPanel();
buttonPanel.add(buildButtons());
getContentPane().add(mainPanel);
getContentPane().add(buttonPanel, BorderLayout.SOUTH);
pack();
setVisible(true);
}