@Test
public void testMerlinDataLoaderU32() throws Exception {
final String path = testFileFolder + "I13-20150210-101459-1.mib";
IDataHolder dataHolder = LoaderFactory.getData(path, null);
IDataset data = dataHolder.getDataset(0);
int[] shape = data.getShape();
assertEquals(515, shape[0], 0.0);
assertEquals(515, shape[1], 0.0);
}
@Test
public void testMerlinDataLoader() throws Exception {
final String path = testFileFolder + "default1.mib";
IDataHolder dataHolder = LoaderFactory.getData(path, null);
IDataset data = dataHolder.getDataset(0);
int[] shape = data.getShape();
assertEquals(512, shape[0], 0.0);
assertEquals(512, shape[1], 0.0);
assertEquals(4095, data.max().intValue(), 0.0);
}
@Test
public void loadLoaderFactory() throws Exception {
IDataHolder dataHolder = LoaderFactory.getData(testFileFolder + file, null);
IDataset data = dataHolder.getDataset("Portable Grey Map");
// Check the first data point
assertEquals(data.getDouble(0, 0), 0.0, 0.0);
// Check the middle data point
assertEquals(data.getDouble(512, 511), 15104.0, 0.0);
// Check the last data point
assertEquals(data.getDouble(1023, 1023), 0.0, 0.0);
}
private void processClientLocalUpdate() {
DataBean bean = new DataBean();
int gridDim = (int) Math.ceil(Math.sqrt(filesToLoad.size()));
if (imageGrid != null) imageGrid.dispose();
imageGrid = new PlotServerSWTImageGrid(gridDim, gridDim, canvas, plotViewName);
imageGrid.setThumbnailSize(getPreferenceImageSize());
Iterator<String> iter = filesToLoad.iterator();
while (iter.hasNext()) {
String filename = iter.next();
try {
IDataHolder holder = LoaderFactory.getData(filename);
IDataset data = holder.getDataset(0);
List<DatasetWithAxisInformation> datalist = new ArrayList<DatasetWithAxisInformation>();
DatasetWithAxisInformation d = new DatasetWithAxisInformation();
if (data != null) {
d.setData(data);
datalist.add(d);
bean.setData(datalist);
}
} catch (Exception e) {
logger.error("Error loading data with filename " + filename, e);
}
bean.putGuiParameter(GuiParameters.FILENAME, filename);
processNewFile(bean);
}
if (liveActive) {
sldProgress
.getDisplay()
.asyncExec(
new Runnable() {
@Override
public void run() {
playback.moveToLast();
}
});
}
}
@SuppressWarnings("unchecked")
@Override
public void update(Object source, Object changeCode) {
if (stopLoading) return;
if (source == ImageExplorerView.FOLDER_UPDATE_MARKER) { // Folder Update
if (changeCode instanceof List<?>) {
playback.clearPlayback();
btnPlay
.getDisplay()
.asyncExec(
new Runnable() {
@Override
public void run() {
resetPlaying(false);
if (isLive) {
playback.setDelay(50);
playback.setStepping(1);
playback.start();
btnPlay.setSelection(true);
btnPlay.setImage(imgStill);
execSvc.execute(playback);
if (!monActive)
CommandExecutor.executeCommand(
getViewSite(),
"uk.ac.diamond.scisoft.analysis.rcp.MontorDirectoryAction");
cmbDirectoryLocation.setText(currentDir);
isLive = false;
}
}
});
filesToLoad = (List<String>) changeCode;
processClientLocalUpdate();
}
} else {
if (source instanceof RMIPlotServer && changeCode instanceof String) {
String viewName = (String) changeCode;
if (!viewName.startsWith("Image Explorer")) return;
RMIPlotServer server = (RMIPlotServer) source;
try {
String[] names = server.getGuiNames();
final DataBean bean = server.getData(names[0]);
// when imagegrid size is set it means we need to reset the grid
if (bean != null && bean.getGuiParameters().get(GuiParameters.IMAGEGRIDSIZE) != null) {
Display.getDefault()
.syncExec(
new Runnable() {
@Override
public void run() {
Integer[] gridDim =
(Integer[]) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDSIZE);
if (imageGrid != null) imageGrid.dispose();
imageGrid =
new PlotServerSWTImageGrid(
gridDim[0], gridDim[1], canvas, plotViewName);
imageGrid.setThumbnailSize(getPreferenceImageSize());
}
});
}
if (bean != null) {
if (bean.getData().isEmpty()) {
// We try to load the data from the filename if data not in the databean
String filename = (String) bean.getGuiParameters().get(GuiParameters.FILENAME);
if (filename == null) return;
List<DatasetWithAxisInformation> data = new ArrayList<>();
DatasetWithAxisInformation dwai = new DatasetWithAxisInformation();
IDataHolder holder = LoaderFactory.getData(filename);
IDataset loadedData = holder.getDataset(0);
dwai.setData(loadedData);
data.add(dwai);
bean.setData(data);
}
processUpdate(bean);
} else {
throw new Exception("Databean is null. This image grid use is not supported.");
}
} catch (Exception e) {
logger.error("Error updating data from server: ", e);
}
}
}
}
public static void handleException(
final ScanFileHolderException e,
final IDataHolder dh,
final String fileName,
final double maxVal,
final boolean unsigned,
final int numBits)
throws ScanFileHolderException, UnsupportedOperationException, IllegalArgumentException {
/*
* Need massive error handling here, since we get same type of
* exception with different messages.
* The exception throwing might change as time passes, the
* current handling is determined on 2014-03-04.
* "Unable" means we can not recover, the image could not be
* created. Currently this can not happen, instead we get an
* exception with "Error" in its message. See below.
* "ScaledSaver" means not allowed parameters, that is use either 32 bits or float,
* or <=16 bits with big enough max and not unsigned if there is any negative value.
* "No writer" means the writer could not write the image (for
* example bmp writer can save only RGBDataset), in this case
* converting the dataset might help.
* "Error" means other kind of problem, probably not recoverable.
*/
do {
if (StringUtils.matchStringWithPattern(e.getMessage(), ".*Unable.*", true)) break;
final StringBuffer sb = new StringBuffer();
if (StringUtils.matchStringWithPattern(e.getMessage(), ".*No writer.*", true)) {
sb.append(e.getLocalizedMessage());
sb.append("\n\nSuggestion: ");
sb.append(
"To save the image as "
+ FileUtils.getFileExtension(fileName)
+ " type, you can try to ");
if (dh.getDataset(0) instanceof RGBDataset)
sb.append("convert the RGB dataset to integer dataset.");
else sb.append("convert the dataset to RGB dataset.");
throw new IllegalArgumentException(sb.toString(), e.getCause());
}
if (StringUtils.matchStringWithPattern(e.getMessage(), ".*ScaledSaver.*", true)) {
if (numBits > 16) // Currently impossible case
break;
sb.append(e.getLocalizedMessage());
sb.append("\n\nSuggestion: ");
sb.append(
"To save the image as "
+ FileUtils.getFileExtension(fileName)
+ " type, you can try to any of these possibilites:\n");
sb.append("- Choose 32 bits or float type.\n");
double maxTotalValue = maxVal;
boolean addedSignedHint = !unsigned;
for (int i = 0; i < dh.size() && !addedSignedHint && maxVal > 0; i++) {
final IDataset data = dh.getDataset(i);
if (maxVal > 0) maxTotalValue = Math.max(data.max().doubleValue(), maxTotalValue);
if (!addedSignedHint && (unsigned && data.min().doubleValue() < 0)) {
sb.append("- Choose signed values.\n");
addedSignedHint = true;
}
}
if (maxTotalValue > maxVal)
sb.append("- Choose max value >= max value of image (" + maxTotalValue + ").\n");
sb.append("- Choose autoscale option.");
throw new IllegalArgumentException(sb.toString(), e.getCause());
}
if (StringUtils.matchStringWithPattern(e.getMessage(), ".*Error.*", true)) break;
throw new UnsupportedOperationException(
"Unexpected error: " + e.getLocalizedMessage(), e.getCause());
} while (false);
throw e;
}
