/**
* Load the volume data to the display
*
* @throws RemoteException problem loading remote data
* @throws VisADException problem loading the data
*/
private void loadVolumeData() throws VisADException, RemoteException {
Trace.call1("VRC.loadVolumeData");
FieldImpl grid = getGridDataInstance().getGrid();
FieldImpl newGrid = grid;
if (getSkipValue() > 0) {
grid = GridUtil.subset(grid, getSkipValue() + 1);
newGrid = grid;
}
if (!usePoints) {
// make sure the projection is correct before we start
// transforming the data
setProjectionInView(true, true);
CoordinateSystem cs = getNavigatedDisplay().getDisplayCoordinateSystem();
if ((cs != null) && (getNavigatedDisplay() instanceof MapProjectionDisplay)) {
try {
if (GridUtil.isConstantSpatialDomain(grid)) {
newGrid = makeLinearGrid(grid, cs);
} else {
Set timeSet = GridUtil.getTimeSet(grid);
for (int i = 0; i < timeSet.getLength(); i++) {
FieldImpl timeField = makeLinearGrid((FieldImpl) grid.getSample(i, false), cs);
if (i == 0) {
FunctionType ft =
new FunctionType(
((SetType) timeSet.getType()).getDomain(), timeField.getType());
newGrid = new FieldImpl(ft, timeSet);
}
newGrid.setSample(i, timeField, false);
}
}
} catch (VisADException ve) {
ve.printStackTrace();
userErrorMessage(
"Can't render volume for "
+ paramName
+ " in this projection. Try using the data projection");
newGrid = grid;
}
}
}
Trace.call1("VRC.loadVolumeData.loadData");
myDisplay.loadData(newGrid);
Trace.call2("VRC.loadVolumeData.loadData");
Trace.call2("loadVolumeData");
}
/**
* A utility method that will wait until all displays are finished being created. This looks at
* the DisplayControls, data sources, global wait cursor count, the visad thread pool and looks at
* any active java3d threads
*
* @param uiManager The ui manager. We use this to access the wait cursor count
* @param timeToWait (milliseconds) elapsed time to wait for nothing to be active
*/
public static void waitUntilDisplaysAreDone(IdvUIManager uiManager, long timeToWait) {
Trace.call1("Waiting on displays");
int successiveTimesWithNoActive = 0;
int sleepTime = 10;
long firstTime = System.currentTimeMillis();
int cnt = 0;
while (true) {
boolean cursorCount = (uiManager.getWaitCursorCount() > 0);
boolean actionCount = ActionImpl.getTaskCount() > 0;
boolean dataActive = DataSourceImpl.getOutstandingGetDataCalls() > 0;
boolean anyJ3dActive = anyJava3dThreadsActive();
boolean allDisplaysInitialized = uiManager.getIdv().getAllDisplaysIntialized();
// System.err.println ("\tAll displays init:" + allDisplaysInitialized +" cursor
// cnt:" + uiManager.getWaitCursorCount() + " action cnt:" +actionCount + " data active: " +
// dataActive);
// if ((cnt++) % 30 == 0) {
// System.err.println ("\tcnt:" + uiManager.getWaitCursorCount() + " "
// +actionCount + " " + dataActive);
// }
boolean anyActive =
actionCount || cursorCount || dataActive || !allDisplaysInitialized || anyJ3dActive;
if (dataActive) {
firstTime = System.currentTimeMillis();
}
if (anyActive) {
successiveTimesWithNoActive = 0;
} else {
successiveTimesWithNoActive++;
}
if ((timeToWait == 0) && !anyActive) {
break;
}
if (successiveTimesWithNoActive * sleepTime > timeToWait) {
break;
}
Misc.sleep(sleepTime);
// At most wait 120 seconds
if (System.currentTimeMillis() - firstTime > 120000) {
System.err.println("Error waiting for to be done:" + LogUtil.getStackDump(false));
return;
}
}
Trace.call2("Waiting on displays");
}
/**
* Add the new view manager into the list if we don't have one with the {@link ViewDescriptor} of
* the new view manager already.
*
* @param newViewManager The new view manager
*/
public void addViewManager(ViewManager newViewManager) {
ViewManager vm = findViewManagerInList(newViewManager.getViewDescriptor());
if (vm == null) {
synchronized (viewManagers) {
viewManagers.add(newViewManager);
}
try {
Trace.call1("VMManager calling ViewManager.init");
newViewManager.init();
Trace.call2("VMManager calling ViewManager.init");
} catch (Exception exc) {
logException("Adding view manager", exc);
}
setLastActiveViewManager(newViewManager);
}
getIdvUIManager().viewManagerAdded(newViewManager);
}
/**
* Create e field description from the field
*
* @param fi field to use
*/
protected void makeFieldDescription(FieldImpl fi) {
if (fi == null) {
fieldsDescription = "Bad data: null";
return;
}
try {
if (ucar.unidata.data.grid.GridUtil.isTimeSequence(fi)) {
fi = (FieldImpl) fi.getSample(0);
}
PointOb ob = (PointOb) fi.getSample(0);
Tuple tuple = (Tuple) ob.getData();
MathType[] comps = ((TupleType) tuple.getType()).getComponents();
Trace.msg("PointDataSource #vars=" + comps.length);
StringBuffer params = new StringBuffer(comps.length + " Fields:<ul>");
String dataSourceName = getName();
DataChoice.addCurrentName(new TwoFacedObject("Point Data>Time", "Time"));
DataChoice.addCurrentName(new TwoFacedObject("Point Data>Latitude", "Latitude"));
DataChoice.addCurrentName(new TwoFacedObject("Point Data>Altitude", "Altitude"));
for (int i = 0; i < comps.length; i++) {
params.append("<li>");
String paramName = ucar.visad.Util.cleanTypeName(comps[i].toString());
DataAlias alias = DataAlias.findAlias(paramName);
params.append(paramName);
if (alias != null) {
params.append(" -- " + alias.getLabel());
DataChoice.addCurrentName(
new TwoFacedObject(
dataSourceName + ">" + alias.getLabel() + " -- " + paramName, paramName));
} else {
DataChoice.addCurrentName(
new TwoFacedObject(dataSourceName + ">" + paramName, paramName));
}
Data data = tuple.getComponent(i);
if (data instanceof Real) {
Unit unit = ((Real) data).getUnit();
if (unit != null) {
params.append(" [" + unit.toString() + "]");
}
}
}
fieldsDescription = params.toString();
} catch (Exception exc) {
logException("getting description", exc);
}
}
/**
* Make a grid with a Linear3DSet for the volume rendering
*
* @param grid grid to transform
* @param cs coordinate system to transform to XYZ
* @return transformed grid
* @throws RemoteException Java RMI Exception
* @throws VisADException problem creating grid
*/
private FieldImpl makeLinearGrid(FieldImpl grid, CoordinateSystem cs)
throws VisADException, RemoteException {
Trace.call1("VRC.makeLinearGrid");
GriddedSet domainSet = (GriddedSet) GridUtil.getSpatialDomain(grid);
SampledSet ss = null;
boolean latLonOrder = GridUtil.isLatLonOrder(domainSet);
// System.out.println("grid is latLonOrder " + latLonOrder);
Trace.call1("VRC.convertDomain");
if (latLonOrder) {
ss = Util.convertDomain(domainSet, RealTupleType.LatitudeLongitudeAltitude, null);
} else {
ss = Util.convertDomain(domainSet, RealTupleType.SpatialEarth3DTuple, null);
}
Trace.call2("VRC.convertDomain");
float[][] refVals = ss.getSamples(true);
MapProjectionDisplay mpd = (MapProjectionDisplay) getNavigatedDisplay();
MapProjection mp = mpd.getMapProjection();
boolean mapLatLonOrder = mp.isLatLonOrder();
// System.out.println("map is latLonOrder " + mapLatLonOrder);
float[][] newVals =
(latLonOrder) ? refVals : new float[][] {refVals[1], refVals[0], refVals[2]};
Trace.call1("VRC.toRef");
newVals = cs.toReference(newVals);
Trace.call2("VRC.toRef");
Trace.call1("VRC.scaleVerticalValues");
newVals[2] = mpd.scaleVerticalValues(newVals[2]);
Trace.call2("VRC.scaleVerticalValues");
int[] lengths = domainSet.getLengths();
// Misc.printArray("lengths",lengths);
GriddedSet xyzSet =
GriddedSet.create(
RealTupleType.SpatialCartesian3DTuple,
newVals,
domainSet.getLengths(),
(CoordinateSystem) null,
(Unit[]) null,
(ErrorEstimate[]) null,
false,
true);
Trace.call1("VRC.setSpatialDomain");
FieldImpl newGrid = GridUtil.setSpatialDomain(grid, xyzSet); // , true);
Trace.call2("VRC.setSpatialDomain");
float[] lows = xyzSet.getLow();
float[] highs = xyzSet.getHi();
// Misc.printArray("lows",lows);
// Misc.printArray("highs",highs);
Linear3DSet volumeXYZ =
new Linear3DSet(
RealTupleType.SpatialCartesian3DTuple,
lows[0],
highs[0],
lengths[0],
lows[1],
highs[1],
lengths[1],
lows[2],
highs[2],
lengths[2]);
// System.out.println(volumeXYZ);
Trace.call1("VRC.resampleGrid");
newGrid = GridUtil.resampleGrid(newGrid, volumeXYZ);
Trace.call2("VRC.resampleGrid");
Trace.call2("VRC.makeLinearGrid");
return newGrid;
}
/**
* Actually get the data identified by the given DataChoce. The default is to call the
* getDataInner that does not take the requestProperties. This allows other, non unidata.data
* DataSource-s (that follow the old API) to work.
*
* @param dataChoice The data choice that identifies the requested data.
* @param category The data category of the request.
* @param dataSelection Identifies any subsetting of the data.
* @param requestProperties Hashtable that holds any detailed request properties.
* @return The visad.Data object
* @throws RemoteException Java RMI problem
* @throws VisADException VisAD problem
*/
protected Data getDataInner(
DataChoice dataChoice,
DataCategory category,
DataSelection dataSelection,
Hashtable requestProperties)
throws VisADException, RemoteException {
loadId = JobManager.getManager().stopAndRestart(loadId, "WMSControl");
Object myLoadId = loadId;
if (requestProperties == null) {
requestProperties = new Hashtable();
}
WmsSelection wmsInfo = (WmsSelection) dataChoice.getId();
// Look if there was a layer that overrides the one in the data choice
Object tfoLayer = requestProperties.get(PROP_LAYER);
if ((tfoLayer != null) && (tfoLayer instanceof TwoFacedObject)) {
String layer = ((TwoFacedObject) tfoLayer).getId().toString();
for (int i = 0; i < wmsSelections.size(); i++) {
WmsSelection tmpSelection = (WmsSelection) wmsSelections.get(i);
if (Misc.equals(tmpSelection.getLayer(), layer)) {
wmsInfo = tmpSelection;
break;
}
}
}
GeoLocationInfo boundsToUse = (GeoLocationInfo) requestProperties.get(PROP_BOUNDS);
Image image = null;
FieldImpl xyData = null;
byte[] imageContent = null;
// System.err.println(wmsInfo.getImageFile());
if (wmsInfo.getImageFile() != null) {
try {
boundsToUse = new GeoLocationInfo(90, -180, -90, 180);
InputStream is = IOUtil.getInputStream(wmsInfo.getImageFile());
imageContent = IOUtil.readBytes(is, myLoadId);
image = Toolkit.getDefaultToolkit().createImage(imageContent);
// javax.swing.JLabel l = new javax.swing.JLabel(new
// javax.swing.ImageIcon(image));
// l.setBackground(Color.red);
// ucar.unidata.util.GuiUtils.showOkCancelDialog(null,null, l,null);
xyData = ucar.visad.Util.makeField(image, 0, false, true);
} catch (Exception iexc) {
logException("There was an error accessing the image:\n" + wmsInfo.getImageFile(), iexc);
return null;
}
} else {
String writeFile = (String) requestProperties.get(PROP_WRITEFILE);
int imageWidth = Misc.getProperty(requestProperties, PROP_IMAGEWIDTH, 800);
int imageHeight = Misc.getProperty(requestProperties, PROP_IMAGEHEIGHT, -1);
double resolution = Misc.getProperty(requestProperties, PROP_RESOLUTION, (float) 1.0);
if (wmsInfo.getLegendIcon() != null) {
requestProperties.put(PROP_ICONPATH, wmsInfo.getLegendIcon());
}
if (!wmsInfo.getAllowSubsets() || (boundsToUse == null)) {
boundsToUse = wmsInfo.getBounds();
} else {
boundsToUse.rectify(wmsInfo.getBounds(), 0.0);
boundsToUse.snapToGrid();
boundsToUse.rectify(wmsInfo.getBounds(), 0.0);
}
double widthDegrees = boundsToUse.getMaxLon() - boundsToUse.getMinLon();
double heightDegrees = boundsToUse.getMaxLat() - boundsToUse.getMinLat();
if ((widthDegrees == 0) || (heightDegrees == 0)) {
return null;
}
if (wmsInfo.getFixedWidth() > -1) {
imageWidth = wmsInfo.getFixedWidth();
}
if (wmsInfo.getFixedHeight() > -1) {
imageHeight = wmsInfo.getFixedHeight();
} else {
if (imageHeight < 0) {
imageHeight =
Math.abs((int) (imageWidth * boundsToUse.getDegreesY() / boundsToUse.getDegreesX()));
}
}
imageWidth = Math.min(Math.max(imageWidth, 50), 2056);
imageHeight = Math.min(Math.max(imageHeight, 50), 2056);
if (maintainRatio) {
imageHeight = (int) (imageWidth * (heightDegrees / widthDegrees));
}
double diff = Math.abs(boundsToUse.getMinLon() - boundsToUse.getMaxLon());
String url =
wmsInfo.assembleRequest(
boundsToUse, (int) (imageWidth / resolution), (int) (imageHeight / resolution));
String cacheGroup = "WMS";
synchronized (cachedUrls) {
if (writeFile == null) {
for (int i = 0; i < cachedUrls.size(); i++) {
if (url.equals(cachedUrls.get(i))) {
image = (Image) cachedData.get(i);
break;
}
}
}
}
try {
if (image == null) {
if (Misc.equals(url, lastUrl) && (lastImageContent != null)) {
imageContent = lastImageContent;
} else {
}
if (imageContent == null) {
long t1 = System.currentTimeMillis();
// System.err.println("getting image:" + url);
LogUtil.message("Reading WMS image: " + wmsInfo);
// System.err.println ("url:" + url);
InputStream is = IOUtil.getInputStream(url);
long t2 = System.currentTimeMillis();
imageContent = IOUtil.readBytes(is, myLoadId);
long t3 = System.currentTimeMillis();
LogUtil.message("");
// System.err.println("Done");
}
// If it is null then there is another thread that is doing
// a subsequent read
lastImageContent = null;
if (imageContent == null) {
return null;
}
Trace.call2("Getting image");
Trace.call1("Making image");
image = Toolkit.getDefaultToolkit().createImage(imageContent);
// Wait on the image
image = ucar.unidata.ui.ImageUtils.waitOnImage(image);
if (image == null) {
throw new IllegalStateException();
}
Trace.call2("Making image");
lastImageContent = imageContent;
lastUrl = url;
updateDetailsText();
if (!JobManager.getManager().canContinue(myLoadId)) {
Trace.call2("WMSControl.loadImage");
return null;
}
synchronized (cachedUrls) {
if (cachedUrls.size() > 5) {
cachedUrls.remove(cachedUrls.size() - 1);
cachedData.remove(cachedData.size() - 1);
}
// For now don't cache
// cachedUrls.add(0, url);
// cachedData.add(0, image);
}
}
ImageHelper ih = new ImageHelper();
int width = image.getWidth(ih);
if (ih.badImage) {
throw new IllegalStateException();
}
long tt1 = System.currentTimeMillis();
xyData = ucar.visad.Util.makeField(image, 0, false, true);
long tt2 = System.currentTimeMillis();
// System.err.println("time to make field:" + (tt2-tt1));
} catch (Exception iexc) {
if (imageContent != null) {
String msg = new String(imageContent);
// System.err.println ("msg:" + msg);
/* Check to see if this is of the form:
<?xml version='1.0' encoding="UTF-8" standalone="no" ?>
<!DOCTYPE ServiceExceptionReport SYSTEM "http://www.digitalearth.gov/wmt/xml/exception_1_1_0.dtd ">
<ServiceExceptionReport version="1.1.0">
<ServiceException>
Service denied due to system overload. Please try again later.
</ServiceException>
</ServiceExceptionReport>
*/
if (msg.indexOf("<ServiceExceptionReport") >= 0) {
try {
StringBuffer errors = new StringBuffer();
errors.append("\n");
Element root = XmlUtil.getRoot(msg);
List children = XmlUtil.findChildren(root, "ServiceException");
for (int i = 0; i < children.size(); i++) {
Element node = (Element) children.get(i);
String code = XmlUtil.getAttribute(node, "code", (String) null);
String body = XmlUtil.getChildText(node);
if (code != null) {
errors.append(code + "\n");
}
errors.append(body.trim() + "\n");
}
LogUtil.userErrorMessage(
"Error accessing image with the url:\n" + url + "\nError:\n" + errors);
} catch (Exception exc) {
LogUtil.userErrorMessage(
"Error accessing image with the url:\n"
+ url
+ "\nError:\n"
+ StringUtil.stripTags(msg));
}
return null;
}
msg = StringUtil.replace(msg, "\n", " ").toLowerCase();
if (StringUtil.stringMatch(msg, "service\\s*exception")) {
if (StringUtil.stringMatch(msg, "cannot\\s*be\\s*less\\s*than")) {
return null;
}
}
if (msg.indexOf("error") >= 0) {
LogUtil.userErrorMessage(
"There was an error accessing the image with the url:\n"
+ url
+ "\nError:\n"
+ new String(imageContent));
return null;
}
}
logException("There was an error accessing the image with the url:\n" + url, iexc);
return null;
}
if (writeFile != null) {
try {
ImageXmlDataSource.writeToFile(writeFile, boundsToUse, imageContent, wmsInfo.getFormat());
} catch (Exception exc) {
throw new IllegalArgumentException(
"Error writing image xml file:" + writeFile + " " + exc);
}
}
}
Linear2DSet domain = (Linear2DSet) xyData.getDomainSet();
Linear2DSet imageDomain =
new Linear2DSet(
RealTupleType.SpatialEarth2DTuple,
boundsToUse.getMinLon(),
boundsToUse.getMaxLon(),
domain.getX().getLength(),
boundsToUse.getMaxLat(),
boundsToUse.getMinLat(),
domain.getY().getLength());
// System.err.println("image domain:" + imageDomain);
/*
new Linear2DSet(RealTupleType.SpatialEarth2DTuple,
boundsToUse.getMinLon(), boundsToUse.getMaxLon(),
domain.getX().getLength(),
boundsToUse.getMinLat() +diff, boundsToUse.getMinLat(),
domain.getY().getLength());*/
FieldImpl field = GridUtil.setSpatialDomain(xyData, imageDomain, true);
return field;
}
