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);
}
public void setGraphLines(boolean checked) {
if (histogramPlotter != null) {
Plot1DGraphTable table = histogramPlotter.getColourTable();
for (int i = 0; i < 4; i++) table.getLegendEntry(i).setVisible(checked);
}
histogramPlotter.updateAllAppearance();
histogramPlotter.refresh(false);
}
protected void buildGradientImage() {
GlobalColourMaps.mappingFunctions.get(0);
AbstractMapFunction redFunc =
GlobalColourMaps.mappingFunctions.get(cmbRedColour.getSelectionIndex());
AbstractMapFunction greenFunc =
GlobalColourMaps.mappingFunctions.get(cmbGreenColour.getSelectionIndex());
AbstractMapFunction blueFunc =
GlobalColourMaps.mappingFunctions.get(cmbBlueColour.getSelectionIndex());
AbstractMapFunction alphaFunc =
GlobalColourMaps.mappingFunctions.get(cmbAlpha.getSelectionIndex());
boolean negRed = btnRedInverse.getSelection();
boolean negGreen = btnGreenInverse.getSelection();
boolean negBlue = btnBlueInverse.getSelection();
boolean negAlpha = btnAlphaInverse.getSelection();
histogramPlotter.applyColourCast(
redFunc, greenFunc, blueFunc, alphaFunc, negRed, negGreen, negBlue, negAlpha, 0, 256);
histogramPlotter.refresh(false);
}
@Override
public void widgetSelected(SelectionEvent e) {
if (e.getSource().equals(cmbRedColour)
|| e.getSource().equals(cmbGreenColour)
|| e.getSource().equals(cmbBlueColour)
|| e.getSource().equals(cmbAlpha)
|| e.getSource().equals(btnRedInverse)
|| e.getSource().equals(btnGreenInverse)
|| e.getSource().equals(btnBlueInverse)
|| e.getSource().equals(btnAlphaInverse)) {
curAlphaSelect = cmbAlpha.getSelectionIndex();
curRedSelect = cmbRedColour.getSelectionIndex();
curGreenSelect = cmbGreenColour.getSelectionIndex();
curBlueSelect = cmbBlueColour.getSelectionIndex();
curAlphaInverse = btnAlphaInverse.getSelection();
curRedInverse = btnRedInverse.getSelection();
curGreenInverse = btnGreenInverse.getSelection();
curBlueInverse = btnBlueInverse.getSelection();
if (hasData()) {
if (e.getSource().equals(cmbRedColour)) handleChange(0);
else if (e.getSource().equals(cmbGreenColour)) handleChange(1);
else if (e.getSource().equals(cmbBlueColour)) handleChange(2);
else if (e.getSource().equals(cmbAlpha)) handleChange(3);
updateChannelGraphs();
generateHistogramUpdate();
}
if (e.getSource().equals(cmbGreenColour)
|| e.getSource().equals(cmbRedColour)
|| e.getSource().equals(btnRedInverse)
|| e.getSource().equals(btnGreenInverse)
|| e.getSource().equals(btnBlueInverse)
|| e.getSource().equals(btnAlphaInverse)) histogramPlotter.refresh(true);
buildGradientImage();
} else if (e.getSource().equals(cmbColourMap)) {
colourSettings.put(getPartName(), cmbColourMap.getSelectionIndex());
buildSelection();
handleChange(0);
handleChange(1);
handleChange(2);
if (hasData()) {
updateChannelGraphs();
generateHistogramUpdate();
}
histogramPlotter.refresh(true);
buildGradientImage();
if (cmbColourMap.getItem(cmbColourMap.getSelectionIndex()).equals("Mark's special")) {
spnMinValue.setSelection((int) (specialMinThreshold * 100));
spnMaxValue.setSelection((int) (specialMaxThreshold * 100));
threshPanel.setVisible(true);
((GridData) threshPanel.getLayoutData()).exclude = false;
} else {
threshPanel.setVisible(false);
((GridData) threshPanel.getLayoutData()).exclude = true;
}
container.layout();
} else if (e.getSource().equals(spnMinValue) || e.getSource().equals(spnMaxValue)) {
SpecialExposureFunction redFunc =
(SpecialExposureFunction)
GlobalColourMaps.mappingFunctions.get(cmbRedColour.getSelectionIndex());
SpecialExposureFunction greenFunc =
(SpecialExposureFunction)
GlobalColourMaps.mappingFunctions.get(cmbGreenColour.getSelectionIndex());
SpecialExposureFunction blueFunc =
(SpecialExposureFunction)
GlobalColourMaps.mappingFunctions.get(cmbBlueColour.getSelectionIndex());
redFunc.setThresholds(spnMinValue.getSelection() / 100.0, spnMaxValue.getSelection() / 100.0);
greenFunc.setThresholds(
spnMinValue.getSelection() / 100.0, spnMaxValue.getSelection() / 100.0);
blueFunc.setThresholds(
spnMinValue.getSelection() / 100.0, spnMaxValue.getSelection() / 100.0);
specialMaxThreshold = spnMaxValue.getSelection() / 100.0;
specialMinThreshold = spnMinValue.getSelection() / 100.0;
updateChannelGraphs();
generateHistogramUpdate();
histogramPlotter.refresh(true);
} else if (e.getSource().equals(spnRangeStart.getControl())
|| e.getSource().equals(spnRangeStop.getControl())) {
final double min = spnRangeStart.getDouble();
final double max = spnRangeStop.getDouble();
updateHistogramGraph(min, max);
} else if (e.getSource().equals(sldMinValue) || e.getSource().equals(sldMaxValue)) {
final double min =
spnRangeStart.getMinimum()
+ spnRangeStart.getRange()
* (sldMinValue.getSelection() / (double) sldMinValue.getMaximum());
final double max =
spnRangeStart.getMinimum()
+ spnRangeStart.getRange()
* (sldMaxValue.getSelection() / (double) sldMaxValue.getMaximum());
spnRangeStart.setDouble(min);
spnRangeStop.setDouble(max);
if (hasData()) updateHistogramGraph(min, max);
} else if (e.getSource().equals(btnExpertMode)) {
expertGroup.setVisible(btnExpertMode.getSelection());
((GridData) expertGroup.getLayoutData()).exclude = !btnExpertMode.getSelection();
container.layout();
}
}