/** * Getting data for a single radar station, with time range. * * @param sName radar station name * @param dateSelect the date time selection information * @param cancel _more_ * @return list of radialDatasetSweep * @throws IOException _more_ */ public List getData(String sName, DateSelection dateSelect, ucar.nc2.util.CancelTask cancel) throws IOException { if ((cancel != null) && cancel.isCancel()) { return null; } TDSRadarDatasetInfo dri = queryRadarStation(sName, dateSelect.getStartFixedDate(), dateSelect.getEndFixedDate()); List datasetList = new ArrayList(); List datasetINVs = dateSelect.apply(dri.getInvList()); Iterator it = datasetINVs.iterator(); while (it.hasNext()) { InvDatasetInfo ifo = (InvDatasetInfo) it.next(); InvDataset tdata = ifo.inv; ThreddsDataFactory tdFactory = new ThreddsDataFactory(); ThreddsDataFactory.Result result; result = tdFactory.openFeatureDataset(tdata, null); datasetList.add(result.featureDataset); if ((cancel != null) && cancel.isCancel()) { return null; } } return datasetList; }
/** * get all radar station within box. * * @param boundingBox the bounding box * @param cancel the cancel task * @return List Station objects * @throws IOException java io exception */ public List<Station> getStations(LatLonRect boundingBox, ucar.nc2.util.CancelTask cancel) throws IOException { Collection<Station> sl = stationHMap.values(); List<Station> dsl = new ArrayList<Station>(); if (!boundingBox.containedIn(radarRegion)) { return null; } // for (Iterator it = sl.iterator(); it.hasNext(); ) { // Station s = (Station) it.next(); for (Station s : sl) { // LatLonPointImpl latlonPt = new LatLonPointImpl(); // latlonPt.set(s.getLatitude(), s.getLongitude()); // if (boundingBox.contains(latlonPt)) { if (boundingBox.contains(s.getLatLon())) { dsl.add(s); } if ((cancel != null) && cancel.isCancel()) { return null; } } return dsl; }
/** * getting data uri list * * @param sName station name * @param dateSelect the date selection * @param cancel the cancel task * @return the list of URIs * @throws IOException problem reading URIs */ public List<URI> getDataURIs( String sName, DateSelection dateSelect, ucar.nc2.util.CancelTask cancel) throws IOException { if ((cancel != null) && cancel.isCancel()) { return null; } TDSRadarDatasetInfo dri = queryRadarStation(sName, dateSelect.getStartFixedDate(), dateSelect.getEndFixedDate()); // create a list to hold URIs List<DatasetURIInfo> datasetsURIs = dateSelect.apply(dri.getURIList()); List<URI> uriList = new ArrayList<URI>(); for (DatasetURIInfo ufo : datasetsURIs) { URI u = ufo.uri; uriList.add(u); if ((cancel != null) && cancel.isCancel()) { return null; } } return uriList; }
/** * _more_ * * @param sName _more_ * @param dateSelect _more_ * @param cancel _more_ * @return _more_ * @throws IOException _more_ */ public ArrayList getDataURIs( String sName, DateSelection dateSelect, ucar.nc2.util.CancelTask cancel) throws IOException { if ((cancel != null) && cancel.isCancel()) { return null; } DqcRadarDatasetInfo dri = queryRadarStation(sName, dateSelect.getStartFixedDate(), dateSelect.getEndFixedDate()); // create a list to hold URIs List datasetsURIs = dateSelect.apply(dri.getURIList()); ArrayList uriList = new ArrayList(); Iterator it = datasetsURIs.iterator(); while (it.hasNext()) { DatasetURIInfo ufo = (DatasetURIInfo) it.next(); URI u = ufo.uri; uriList.add(u); if ((cancel != null) && cancel.isCancel()) { return null; } } return uriList; }
/** * get all radar station within box. * * @param boundingBox _more_ * @param cancel _more_ * @return List of type DqcRadarStation objects * @throws IOException java io exception */ public List getStations( ucar.unidata.geoloc.LatLonRect boundingBox, ucar.nc2.util.CancelTask cancel) throws IOException { List sl = selStation.getStations(); ArrayList dsl = new ArrayList(); for (Iterator it = sl.iterator(); it.hasNext(); ) { Station s = (Station) it.next(); LatLonPointImpl latlonPt = new LatLonPointImpl(); latlonPt.set(s.getLocation().getLatitude(), s.getLocation().getLongitude()); if (boundingBox.contains(latlonPt)) { dsl.add(s); } if ((cancel != null) && cancel.isCancel()) { return null; } } return dsl; }
Level2VolumeScan(RandomAccessFile orgRaf, CancelTask cancelTask) throws IOException { this.raf = orgRaf; if (log.isDebugEnabled()) log.debug("Level2VolumeScan on " + raf.getLocation()); raf.seek(0); raf.order(RandomAccessFile.BIG_ENDIAN); // volume scan header dataFormat = raf.readString(8); raf.skipBytes(1); String volumeNo = raf.readString(3); title_julianDay = raf.readInt(); // since 1/1/70 title_msecs = raf.readInt(); stationId = raf.readString(4).trim(); // only in AR2V0001 if (log.isDebugEnabled()) log.debug(" dataFormat= " + dataFormat + " stationId= " + stationId); if (stationId.length() == 0) { // try to get it from the filename LOOK stationId = null; } // try to find the station if (stationId != null) { if (!stationId.startsWith("K") && stationId.length() == 4) { String _stationId = "K" + stationId; station = NexradStationDB.get(_stationId); } else station = NexradStationDB.get(stationId); } // see if we have to uncompress if (dataFormat.equals(AR2V0001) || dataFormat.equals(AR2V0003) || dataFormat.equals(AR2V0004) || dataFormat.equals(AR2V0006)) { raf.skipBytes(4); String BZ = raf.readString(2); if (BZ.equals("BZ")) { RandomAccessFile uraf; File uncompressedFile = DiskCache.getFileStandardPolicy(raf.getLocation() + ".uncompress"); if (uncompressedFile.exists() && uncompressedFile.length() > 0) { // see if its locked - another thread is writing it FileInputStream fstream = null; FileLock lock = null; try { fstream = new FileInputStream(uncompressedFile); // lock = fstream.getChannel().lock(0, 1, true); // wait till its unlocked while (true) { // loop waiting for the lock try { lock = fstream.getChannel().lock(0, 1, true); // wait till its unlocked break; } catch (OverlappingFileLockException oe) { // not sure why lock() doesnt block try { Thread.sleep(100); // msecs } catch (InterruptedException e1) { break; } } } } finally { if (lock != null) lock.release(); if (fstream != null) fstream.close(); } uraf = new ucar.unidata.io.RandomAccessFile(uncompressedFile.getPath(), "r"); } else { // nope, gotta uncompress it uraf = uncompress(raf, uncompressedFile.getPath()); if (log.isDebugEnabled()) log.debug("made uncompressed file= " + uncompressedFile.getPath()); } // switch to uncompressed file raf.close(); raf = uraf; raf.order(RandomAccessFile.BIG_ENDIAN); } raf.seek(Level2Record.FILE_HEADER_SIZE); } List<Level2Record> reflectivity = new ArrayList<Level2Record>(); List<Level2Record> doppler = new ArrayList<Level2Record>(); List<Level2Record> highReflectivity = new ArrayList<Level2Record>(); List<Level2Record> highVelocity = new ArrayList<Level2Record>(); List<Level2Record> highSpectrum = new ArrayList<Level2Record>(); List<Level2Record> highDiffReflectivity = new ArrayList<Level2Record>(); List<Level2Record> highDiffPhase = new ArrayList<Level2Record>(); List<Level2Record> highCorreCoefficient = new ArrayList<Level2Record>(); long message_offset31 = 0; int recno = 0; while (true) { Level2Record r = Level2Record.factory(raf, recno++, message_offset31); if (r == null) break; if (showData) r.dump2(System.out); // skip non-data messages if (r.message_type == 31) { message_offset31 = message_offset31 + (r.message_size * 2 + 12 - 2432); } if (r.message_type != 1 && r.message_type != 31) { if (showMessages) r.dumpMessage(System.out); continue; } // if (showData) r.dump2(System.out); /* skip bad if (!r.checkOk()) { r.dump(System.out); continue; } */ // some global params if (vcp == 0) vcp = r.vcp; if (first == null) first = r; last = r; if (runCheck && !r.checkOk()) { continue; } if (r.hasReflectData) reflectivity.add(r); if (r.hasDopplerData) doppler.add(r); if (r.message_type == 31) { if (r.hasHighResREFData) highReflectivity.add(r); if (r.hasHighResVELData) highVelocity.add(r); if (r.hasHighResSWData) highSpectrum.add(r); if (r.hasHighResZDRData) highDiffReflectivity.add(r); if (r.hasHighResPHIData) highDiffPhase.add(r); if (r.hasHighResRHOData) highCorreCoefficient.add(r); } if ((cancelTask != null) && cancelTask.isCancel()) return; } if (debugRadials) System.out.println(" reflect ok= " + reflectivity.size() + " doppler ok= " + doppler.size()); if (highReflectivity.size() == 0) { reflectivityGroups = sortScans("reflect", reflectivity, 600); dopplerGroups = sortScans("doppler", doppler, 600); } if (highReflectivity.size() > 0) reflectivityHighResGroups = sortScans("reflect_HR", highReflectivity, 720); if (highVelocity.size() > 0) velocityHighResGroups = sortScans("velocity_HR", highVelocity, 720); if (highSpectrum.size() > 0) spectrumHighResGroups = sortScans("spectrum_HR", highSpectrum, 720); if (highDiffReflectivity.size() > 0) diffReflectHighResGroups = sortScans("diffReflect_HR", highDiffReflectivity, 720); if (highDiffPhase.size() > 0) diffPhaseHighResGroups = sortScans("diffPhase_HR", highDiffPhase, 720); if (highCorreCoefficient.size() > 0) coefficientHighResGroups = sortScans("coefficient_HR", highCorreCoefficient, 720); }