private void updateHistogramGraph(double min, double max) {
xAxis.clear();
currentMaxMin.max = max;
currentMaxMin.min = min;
histogramFunc.setMinMax(min, max);
histogramFunc.setIgnoreOutliers(true);
// sanity check if there is actually a histogram live
List<? extends Dataset> newHistogram = histogramFunc.value(data);
Dataset histogram = newHistogram.get(0);
if (histograms != null && histograms.size() > 1) {
histograms.set(histograms.size() - 1, histogram);
} else {
histograms = new ArrayList<Dataset>();
histograms.add(histogram);
}
// Some logging to check on the histograms size
logger.debug("number of histograms stored is {}", histograms.size());
if (histograms.size() > 10) {
logger.warn(
"Number of stored histograms is over expected levels, now at {}", histograms.size());
}
xAxis.setValues(
DatasetUtils.linSpace(min, max, Math.max(1, histogram.getSize() + 1), Dataset.FLOAT64));
histogramPlotter.setXAxisValues(xAxis, 1);
generateHistogramUpdate();
updateChannelGraphs();
histogramPlotter.refresh(true);
}
@Override
public void createPartControl(Composite parent) {
this.parent = parent;
container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout(1, false));
final Composite top = new Composite(container, SWT.NONE);
top.setLayout(new GridLayout(3, false));
top.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
final Label scheme = new Label(top, SWT.NONE);
scheme.setText("Colour Scheme");
cmbColourMap = new CCombo(top, SWT.BORDER | SWT.READ_ONLY);
cmbColourMap.setToolTipText("Change the color scheme.");
cmbColourMap.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
btnExpertMode = new Button(top, SWT.CHECK);
btnExpertMode.setText("Expert");
btnExpertMode.setToolTipText("Enable expert mode for customising colour channels");
btnExpertMode.addSelectionListener(this);
advancedComp = new Composite(container, SWT.NONE);
// controlGroup.setText("RGB Settings"); // Looks a bit busy with this label
advancedComp.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
advancedComp.setLayout(new GridLayout(3, false));
expertGroup = new Group(advancedComp, SWT.NONE);
expertGroup.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
expertGroup.setLayout(new GridLayout(3, false));
{
Label lblRed = new Label(expertGroup, SWT.NONE);
lblRed.setText("Red");
cmbRedColour = new CCombo(expertGroup, SWT.BORDER | SWT.READ_ONLY);
btnRedInverse = new Button(expertGroup, SWT.CHECK);
btnRedInverse.setText("Inverse");
btnRedInverse.addSelectionListener(this);
Label lblGreen = new Label(expertGroup, SWT.NONE);
lblGreen.setText("Green");
cmbGreenColour = new CCombo(expertGroup, SWT.BORDER | SWT.READ_ONLY);
btnGreenInverse = new Button(expertGroup, SWT.CHECK);
btnGreenInverse.setText("Inverse");
btnGreenInverse.addSelectionListener(this);
Label lblBlue = new Label(expertGroup, SWT.NONE);
lblBlue.setText("Blue");
cmbBlueColour = new CCombo(expertGroup, SWT.BORDER | SWT.READ_ONLY);
btnBlueInverse = new Button(expertGroup, SWT.CHECK);
btnBlueInverse.setText("Inverse");
btnBlueInverse.addSelectionListener(this);
Label lblAlpha = new Label(expertGroup, SWT.NONE);
lblAlpha.setText("Alpha");
cmbAlpha = new CCombo(expertGroup, SWT.BORDER | SWT.READ_ONLY);
btnAlphaInverse = new Button(expertGroup, SWT.CHECK);
btnAlphaInverse.setText("Inverse");
btnAlphaInverse.addSelectionListener(this);
}
expertGroup.setVisible(getPreferenceColourMapExpertMode());
((GridData) expertGroup.getLayoutData()).exclude = !getPreferenceColourMapExpertMode();
threshPanel = new Group(advancedComp, SWT.NONE);
threshPanel.setText("Mark's special threshhold"); // Looks a bit busy with this label
threshPanel.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
threshPanel.setLayout(new GridLayout(2, false));
{
Label lblMinValue = new Label(threshPanel, SWT.NONE);
lblMinValue.setText("Min threshold");
spnMinValue = new Spinner(threshPanel, SWT.BORDER);
spnMinValue.setMinimum(0);
spnMinValue.setMaximum(100);
spnMinValue.addSelectionListener(this);
Label lblMaxValue = new Label(threshPanel, SWT.NONE);
lblMaxValue.setText("Max threshold");
spnMaxValue = new Spinner(threshPanel, SWT.BORDER);
spnMaxValue.setMinimum(0);
spnMaxValue.setMaximum(100);
spnMaxValue.addSelectionListener(this);
}
threshPanel.setVisible(false);
((GridData) threshPanel.getLayoutData()).exclude = true;
rangePanel = new Group(container, SWT.NONE);
rangePanel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
rangePanel.setLayout(new GridLayout(3, false));
rangePanel.setText("Histogram range");
{
Label lblStartValue = new Label(rangePanel, SWT.NONE);
lblStartValue.setText("Minimum");
spnRangeStart = new FloatSpinner(rangePanel, SWT.BORDER);
GridData gridData = new GridData(SWT.NONE, SWT.NONE, true, false);
spnRangeStart.setLayoutData(gridData);
spnRangeStart.addSelectionListener(this);
sldMinValue = new Slider(rangePanel, SWT.BORDER);
gridData = new GridData(SWT.FILL, SWT.NONE, true, false);
gridData.minimumWidth = 90;
sldMinValue.setLayoutData(gridData);
sldMinValue.addSelectionListener(this);
sldMinValue.setMinimum(0);
sldMinValue.setMaximum(SLIDERSECTIONS);
sldMinValue.setIncrement(1);
Label lblStopValue = new Label(rangePanel, SWT.NONE);
lblStopValue.setText("Maximum");
gridData = new GridData(SWT.NONE, SWT.NONE, true, false);
spnRangeStop = new FloatSpinner(rangePanel, SWT.BORDER);
spnRangeStop.setLayoutData(gridData);
spnRangeStop.addSelectionListener(this);
spnRangeStart.setEnabled(false);
spnRangeStop.setEnabled(false);
sldMaxValue = new Slider(rangePanel, SWT.BORDER);
gridData = new GridData(SWT.FILL, SWT.NONE, true, false);
gridData.minimumWidth = 90;
sldMaxValue.setLayoutData(gridData);
sldMaxValue.addSelectionListener(this);
sldMaxValue.setMinimum(0);
sldMaxValue.setMaximum(SLIDERSECTIONS);
sldMaxValue.setIncrement(1);
spnRangeStart.setEnabled(false);
spnRangeStop.setEnabled(false);
sldMinValue.setEnabled(false);
sldMaxValue.setEnabled(false);
}
{
composite = new Composite(container, SWT.NONE);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
composite.setLayout(new FillLayout());
histogramPlotter = new DataSetPlotter(PlottingMode.BARCHART, composite, false);
histogramPlotter.setXAxisLabel("Intensity Value");
histogramPlotter.setYAxisLabel("Count");
histogramPlotter.setAxisModes(AxisMode.CUSTOM, AxisMode.LINEAR, AxisMode.LINEAR);
histogramPlotter.setXTickLabelFormat(TickFormatting.plainMode);
histogramPlotter.setXAxisValues(xAxis, 1);
Plot1DGraphTable colourTable = histogramPlotter.getColourTable();
Plot1DAppearance plotApp = new Plot1DAppearance(Color.RED, Plot1DStyles.SOLID, "");
colourTable.addEntryOnLegend(plotApp);
plotApp = new Plot1DAppearance(Color.GREEN, Plot1DStyles.SOLID, "");
colourTable.addEntryOnLegend(plotApp);
plotApp = new Plot1DAppearance(Color.BLUE, Plot1DStyles.SOLID, "");
colourTable.addEntryOnLegend(plotApp);
plotApp = new Plot1DAppearance(Color.ORANGE, Plot1DStyles.SOLID, "");
colourTable.addEntryOnLegend(plotApp);
}
cmbColourMap.addSelectionListener(this);
cmbRedColour.addSelectionListener(this);
cmbGreenColour.addSelectionListener(this);
cmbBlueColour.addSelectionListener(this);
cmbAlpha.addSelectionListener(this);
buildToolbar();
GlobalColourMaps.InitializeColourMaps();
fillupColourComboBoxes();
fillupColourMapBox();
buildGradientImage();
}