How to use

mergeNcML

method

in

ucar.nc2.ncml.NcMLReader

public NetcdfFile acquireFile(CancelTask cancelTask) throws IOException {
 if (debugOpenFile) System.out.println(" try to acquire " + cacheLocation);
 long start = System.currentTimeMillis();
 NetcdfFile ncfile = NetcdfDataset.acquireFile(reader, null, cacheLocation, -1, cancelTask, spiObject);
 // must merge NcML before enhancing
 if (mergeNcml != null)
  ncfile = NcMLReader.mergeNcML(ncfile, mergeNcml); // create new dataset
 if (enhance == null || enhance.isEmpty()) {
  if (debugOpenFile) System.out.println(" acquire (no enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
  return ncfile;
 }
 // must enhance
 NetcdfDataset ds;
 if (ncfile instanceof NetcdfDataset) {
  ds = (NetcdfDataset) ncfile;
  ds.enhance(enhance); // enhance "in place", ie modify the NetcdfDataset
 } else {
  ds = new NetcdfDataset(ncfile, enhance); // enhance when wrapping
 }
 if (debugOpenFile) System.out.println(" acquire (enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
 return ds;
}

public NetcdfFile acquireFile(CancelTask cancelTask) throws IOException {
 if (debugOpenFile) System.out.println(" try to acquire " + cacheLocation);
 long start = System.currentTimeMillis();
 NetcdfFile ncfile = NetcdfDataset.acquireFile(reader, null, cacheLocation, -1, cancelTask, spiObject);
 // must merge NcML before enhancing
 if (mergeNcml != null)
  ncfile = NcMLReader.mergeNcML(ncfile, mergeNcml); // create new dataset
 if (enhance == null || enhance.isEmpty()) {
  if (debugOpenFile) System.out.println(" acquire (no enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
  return ncfile;
 }
 // must enhance
 NetcdfDataset ds;
 if (ncfile instanceof NetcdfDataset) {
  ds = (NetcdfDataset) ncfile;
  ds.enhance(enhance); // enhance "in place", ie modify the NetcdfDataset
 } else {
  ds = new NetcdfDataset(ncfile, enhance); // enhance when wrapping
 }
 if (debugOpenFile) System.out.println(" acquire (enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
 return ds;
}

public NetcdfFile acquireFile(CancelTask cancelTask) throws IOException {
 if (debugOpenFile) System.out.println(" try to acquire " + cacheLocation);
 long start = System.currentTimeMillis();
 if (durl == null)
  durl = DatasetUrl.findDatasetUrl(cacheLocation); // cache the ServiceType so we dont have to keep figuring it out
 NetcdfFile ncfile = NetcdfDataset.acquireFile(reader, null, durl, -1, cancelTask, spiObject);
 // must merge NcML before enhancing
 if (mergeNcml != null)
  ncfile = NcMLReader.mergeNcML(ncfile, mergeNcml); // create new dataset
 if (enhance == null || enhance.isEmpty()) {
  if (debugOpenFile) System.out.println(" acquire (no enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
  return ncfile;
 }
 // must enhance
 NetcdfDataset ds;
 if (ncfile instanceof NetcdfDataset) {
  ds = (NetcdfDataset) ncfile;
  ds.enhance(enhance); // enhance "in place", ie modify the NetcdfDataset
 } else {
  ds = new NetcdfDataset(ncfile, enhance); // enhance when wrapping
 }
 if (debugOpenFile) System.out.println(" acquire (enhance) " + cacheLocation + " took " + (System.currentTimeMillis() - start));
 return ds;
}

/**
 * Open a file, keep track of open files
 * @param location open this location
 * @param openFiles keep track of open files
 * @return file or null if not found
 */
private NetcdfDataset open(String location, HashMap<String, NetcdfDataset> openFiles)  { // } throws IOException {
 NetcdfDataset ncd = null;
 if (openFiles != null) {
  ncd = openFiles.get(location);
  if (ncd != null) return ncd;
 }
 try {
  if (config.innerNcml == null) {
   ncd = NetcdfDataset.acquireDataset(location, null);  // default enhance
  } else {
   NetcdfFile nc = NetcdfDataset.acquireFile(location, null);
   ncd = NcMLReader.mergeNcML(nc, config.innerNcml); // create new dataset
   ncd.enhance(); // now that the ncml is added, enhance "in place", ie modify the NetcdfDataset
  }
 } catch (IOException ioe) {
  logger.error("Cant open file ", ioe);  // file was deleted ??
  return null;
 }
 if (openFiles != null && ncd != null) {
  openFiles.put(location, ncd);
 }
 return ncd;
}

/**
 * Open a file, keep track of open files
 * @param location open this location
 * @param openFiles keep track of open files
 * @return file or null if not found
 */
private NetcdfDataset open(String location, Map<String, NetcdfDataset> openFiles)  throws IOException {
 NetcdfDataset ncd;
 if (openFiles != null) {
  ncd = openFiles.get(location);
  if (ncd != null) return ncd;
 }
 if (config.innerNcml == null) {
  ncd = NetcdfDataset.acquireDataset(location, null);  // default enhance
 } else {
  NetcdfFile nc = NetcdfDataset.acquireFile(location, null);
  ncd = NcMLReader.mergeNcML(nc, config.innerNcml); // create new dataset
  ncd.enhance(); // now that the ncml is added, enhance "in place", ie modify the NetcdfDataset
 }
 if (openFiles != null && ncd != null) {
  openFiles.put(location, ncd);
 }
 return ncd;
}

/**
 * Open a file, keep track of open files
 * @param location open this location
 * @param openFiles keep track of open files
 * @return file or null if not found
 */
private NetcdfDataset open(String location, Map<String, NetcdfDataset> openFiles)  throws IOException {
 NetcdfDataset ncd;
 if (openFiles != null) {
  ncd = openFiles.get(location);
  if (ncd != null) return ncd;
 }
 if (config.innerNcml == null) {
  ncd = NetcdfDataset.acquireDataset(new DatasetUrl(null, location), true, null);  // default enhance
 } else {
  NetcdfFile nc = NetcdfDataset.acquireFile(new DatasetUrl(null, location), null);
  ncd = NcMLReader.mergeNcML(nc, config.innerNcml); // create new dataset
  ncd.enhance(); // now that the ncml is added, enhance "in place", ie modify the NetcdfDataset
 }
 if (openFiles != null && ncd != null) {
  openFiles.put(location, ncd);
 }
 return ncd;
}

NetcdfDataset ncd = NcMLReader.mergeNcML(nc, ncml); // create new dataset

NetcdfDataset ncd = NcMLReader.mergeNcML(nc, ncml); // create new dataset

NetcdfDataset ncd = NcMLReader.mergeNcML(nc, ncml); // create new dataset