Exemplo n.º 1
0
  /**
   * 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");
  }
Exemplo n.º 2
0
  /**
   * 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");
  }
Exemplo n.º 3
0
  /**
   * 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);
  }
Exemplo n.º 4
0
  /**
   * 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;
  }
Exemplo n.º 5
0
  /**
   * 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;
  }