/** * Set the sounding in the table * * @param sounding the sounding * @throws RemoteException Java RMI problem * @throws VisADException problem dissecting data */ private void setupTable(Field sounding) throws VisADException, RemoteException { Set domain = sounding.getDomainSet(); CoordinateSystem cs = domain.getCoordinateSystem(); numDomainCols = domain.getDimension(); if (cs != null) { numDomainCols++; } RealType[] rangeComps = ((FunctionType) sounding.getType()).getRealComponents(); numRangeCols = rangeComps.length; columnNames = new String[numDomainCols + numRangeCols]; SetType t = (SetType) domain.getType(); Unit[] units = domain.getSetUnits(); RealTupleType rtt = t.getDomain(); RealType[] comps = rtt.getRealComponents(); columnNames[0] = makeColumnName(comps[0], units[0]); if ((cs != null)) { RealTupleType refType = cs.getReference(); RealType[] refComps = refType.getRealComponents(); Unit[] refUnits = cs.getReferenceUnits(); columnNames[1] = makeColumnName(refComps[0], refUnits[0]); } // set for default for (int i = 0; i < rangeComps.length; i++) { columnNames[numDomainCols + i] = makeColumnName(rangeComps[i], rangeComps[i].getDefaultUnit()); } // wind if (rangeComps.length > 2) { csUnits = new Unit[] {rangeComps[2].getDefaultUnit(), rangeComps[3].getDefaultUnit()}; haveUV = (Unit.canConvert(csUnits[0], CommonUnit.meterPerSecond) && Unit.canConvert(csUnits[1], CommonUnit.meterPerSecond)); if (haveUV) { windTransform = new InverseCoordinateSystem( new RealTupleType(Speed.getRealType(), Direction.getRealType()), new PolarHorizontalWind.PolarCoordinateSystem( new RealTupleType(rangeComps[2], rangeComps[3]), CommonUnit.meterPerSecond, CommonUnit.degree)); } else { windTransform = new PolarHorizontalWind.PolarCoordinateSystem(csUnits[0], csUnits[1]); } } if (model == null) { model = new SoundingTableModel(); sorter = new TableSorter(model); JTableHeader header = getTableHeader(); header.setToolTipText("Click to sort"); sorter.setTableHeader(getTableHeader()); setModel(sorter); setAutoResizeMode(JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS); setPreferredScrollableViewportSize(new Dimension(400, 200)); getTableHeader().setReorderingAllowed(false); } }
/** * Set the sounding in the table * * @param sounding the sounding * @throws RemoteException Java RMI problem * @throws VisADException problem dissecting data */ private void setSounding(Field sounding) throws VisADException, RemoteException { domainData = null; // domain values Set domain = sounding.getDomainSet(); CoordinateSystem cs = domain.getCoordinateSystem(); float[][] domSamples = domain.getSamples(false); if ((cs != null)) { float[][] domFloats = Set.copyFloats(domSamples); // Must convert from the default coordinate domain system to // the domain coordinate system of the sounding. String fromUnit = sounding.getDomainUnits()[0].toString(); String toUnit = cs.getCoordinateSystemUnits()[0].toString(); if (!fromUnit.equals(toUnit) && SimpleUnit.isCompatible(fromUnit, toUnit)) { float conversionFactor = (float) SimpleUnit.getConversionFactor(fromUnit, toUnit); for (int i = 0; i < domFloats.length; i++) { for (int j = 0; j < domFloats[i].length; j++) { domFloats[i][j] = domFloats[i][j] * conversionFactor; } } } float[][] refData = cs.toReference(domFloats); domainData = new float[][] {domSamples[0], refData[0]}; } // range values RealType[] rangeComps = ((FunctionType) sounding.getType()).getRealComponents(); rangeData = sounding.getFloats(false); // wind if (rangeComps.length > 2) { transformWinds = (showUAndV && !haveUV) || (!showUAndV && haveUV); if (!transformWinds) { for (int i = 2; i < 4; i++) { columnNames[numDomainCols + i] = makeColumnName(rangeComps[i], rangeComps[i].getDefaultUnit()); } } else { RealTupleType refType = windTransform.getReference(); Unit[] refUnits = windTransform.getReferenceUnits(); for (int i = 0; i < 2; i++) { columnNames[numDomainCols + i + 2] = makeColumnName((RealType) refType.getComponent(i), refUnits[i]); } float[][] newVals = windTransform.toReference(Set.copyFloats(new float[][] {rangeData[2], rangeData[3]})); rangeData[2] = newVals[0]; rangeData[3] = newVals[1]; } } sorter.setTableModel(model); }
/** * I have no idea what this does. * * @param grid sampling grid * @param index some sort of index * @return a new flat field with something different * @throws RemoteException Java RMI error * @throws VisADException VisAD error */ private static FlatField hatFieldOld(Set grid, int index) throws VisADException, RemoteException { CoordinateSystem cs = grid.getCoordinateSystem(); boolean hasCS = (cs != null); RealTupleType rtt = (hasCS) ? cs.getReference() : ((SetType) grid.getType()).getDomain(); int latI = rtt.getIndex(RealType.Latitude); if (latI == -1) { throw new IllegalArgumentException(grid.toString()); } int lonI = rtt.getIndex(RealType.Longitude); if (lonI == -1) { throw new IllegalArgumentException(grid.toString()); } if (grid.getManifoldDimension() < 2) { throw new IllegalArgumentException(grid.toString()); } int[][] neighbors = grid.getNeighbors(index); LatLonPointImpl refPt = new LatLonPointImpl(); LatLonPointImpl neiPt = new LatLonPointImpl(); Bearing bearing = new Bearing(); float[] hat1 = new float[2]; float[] hat2 = new float[2]; float[][] hat = new float[2][grid.getLength()]; for (int i = 0; i < neighbors.length; i++) { float[][] refCoords = grid.indexToValue(new int[] {i}); if (hasCS) { refCoords = cs.toReference(refCoords); } float[][] neiCoords = grid.indexToValue(neighbors[i]); if (hasCS) { neiCoords = cs.toReference(neiCoords); } refPt.set(refCoords[latI][0], refCoords[lonI][0]); compute(refPt, neiPt, neiCoords[latI][0], neiCoords[lonI][0], -180, bearing, hat1); float d1 = (float) bearing.getDistance(); compute(refPt, neiPt, neiCoords[latI][1], neiCoords[lonI][1], 0, bearing, hat2); float d2 = (float) bearing.getDistance(); boolean bad1 = Double.isNaN(d1); boolean bad2 = Double.isNaN(d2); if (bad1 && bad2) { hat[0][i] = Float.NaN; hat[1][i] = Float.NaN; } else { if (bad1) { hat[0][i] = hat2[0]; hat[1][i] = hat2[1]; } else if (bad2) { hat[0][i] = hat1[0]; hat[1][i] = hat1[1]; } else { float tot = d1 + d2; float c1 = d2 / tot; float c2 = d1 / tot; float xhat = c1 * hat1[0] + c2 * hat2[0]; float yhat = c1 * hat1[1] + c2 * hat2[1]; float mag = (float) Math.sqrt(xhat * xhat + yhat * yhat); hat[0][i] = xhat / mag; hat[1][i] = yhat / mag; } } } FlatField hatField = new FlatField( new FunctionType( ((SetType) grid.getType()).getDomain(), new RealTupleType( RealType.getRealType("xHat", CommonUnit.dimensionless), RealType.getRealType("yHat", CommonUnit.dimensionless))), grid); hatField.setSamples(hat, false); return hatField; }
/** * The returned {@link visad.FlatField} will have NaN-s for those unit vector components that * could not be computed. * * @param grid The spatial grid. * @param index The index of the manifold dimension along which to compute the unit vector. * @return A field of components of the unit vector for the given manifold dimension. * @throws NullPointerException if the grid is <code>null</code>. * @throws IllegalArgumentException if the manifold dimension of the grid is less than 2 or if the * grid doesn't contain {@link visad.RealType#Latitude} and {@link visad.RealType#Longitude}. * @throws VisADException if a VisAD failure occurs. * @throws RemoteException if a Java RMI failure occurs. */ private static FlatField hatFieldNew(Set grid, int index) throws VisADException, RemoteException { CoordinateSystem cs = grid.getCoordinateSystem(); boolean hasCS = cs != null; RealTupleType rtt = (hasCS) ? cs.getReference() : ((SetType) grid.getType()).getDomain(); int latI = rtt.getIndex(RealType.Latitude); if (latI == -1) { throw new IllegalArgumentException(rtt.toString()); } int lonI = rtt.getIndex(RealType.Longitude); if (lonI == -1) { throw new IllegalArgumentException(rtt.toString()); } if (grid.getManifoldDimension() < 2) { throw new IllegalArgumentException(grid.toString()); } int[][] neighbors = grid.getNeighbors(index); LatLonPointImpl refPt = new LatLonPointImpl(); LatLonPointImpl neiPt = new LatLonPointImpl(); Bearing bearing = new Bearing(); float[] hat1 = new float[2]; float[] hat2 = new float[2]; float[][] hat = new float[2][grid.getLength()]; float[][] refCoords = null; float[][] neiCoords = null; float[][] domainSamples = grid.getSamples(false); refCoords = (hasCS) ? cs.toReference(Set.copyFloats(domainSamples)) : domainSamples; // If the grid is lat/lon or has an IdentityCoordinateSystem // don't do the rotation // TODO: handle rotated lat/lon grids if (!hasCS || (refCoords == domainSamples) || (Arrays.equals(refCoords[latI], domainSamples[latI]) && Arrays.equals(refCoords[lonI], domainSamples[lonI]))) { if (index == 0) { Arrays.fill(hat[0], 1); Arrays.fill(hat[1], 0); } else { Arrays.fill(hat[0], 0); Arrays.fill(hat[1], 1); } } else { float latBefore, lonBefore, latAfter, lonAfter; // int backOffset = (index==0) ? -180 : 0; // int foreOffset = (index==0) ? 0 : -180; int backOffset = -180; int foreOffset = 0; for (int i = 0; i < neighbors.length; i++) { refPt.set(refCoords[latI][i], refCoords[lonI][i]); if ((neighbors[i][0] < 0) || (neighbors[i][0] >= neighbors.length)) { latBefore = Float.NaN; lonBefore = Float.NaN; } else { latBefore = refCoords[latI][neighbors[i][0]]; lonBefore = refCoords[lonI][neighbors[i][0]]; } if ((neighbors[i][1] < 0) || (neighbors[i][1] >= neighbors.length)) { latAfter = Float.NaN; lonAfter = Float.NaN; } else { latAfter = refCoords[latI][neighbors[i][1]]; lonAfter = refCoords[lonI][neighbors[i][1]]; } compute(refPt, neiPt, latBefore, lonBefore, backOffset, bearing, hat1); float d1 = (float) bearing.getDistance(); compute(refPt, neiPt, latAfter, lonAfter, foreOffset, bearing, hat2); float d2 = (float) bearing.getDistance(); boolean bad1 = Double.isNaN(d1); boolean bad2 = Double.isNaN(d2); if (bad1 && bad2) { hat[0][i] = Float.NaN; hat[1][i] = Float.NaN; } else { if (bad1) { hat[0][i] = hat2[0]; hat[1][i] = hat2[1]; } else if (bad2) { hat[0][i] = hat1[0]; hat[1][i] = hat1[1]; } else { float tot = d1 + d2; float c1 = d2 / tot; float c2 = d1 / tot; float xhat = c1 * hat1[0] + c2 * hat2[0]; float yhat = c1 * hat1[1] + c2 * hat2[1]; float mag = (float) Math.sqrt(xhat * xhat + yhat * yhat); hat[0][i] = xhat / mag; hat[1][i] = yhat / mag; } } } } FlatField hatField = new FlatField( new FunctionType( ((SetType) grid.getType()).getDomain(), new RealTupleType( RealType.getRealType("xHat", CommonUnit.dimensionless), RealType.getRealType("yHat", CommonUnit.dimensionless))), grid); hatField.setSamples(hat, false); return hatField; }