/**
* Indicates if a VisAD MathType is compatible with this instance. A RealType is compatible if its
* {@link RealType#equalsExceptNameButUnits} method returns true when given the return value of
* {@link #getRealType()} and if this quantity has no coordinate system transformation. A
* RealTupleType is compatible if its {@link RealTupleType#equalsExceptNameButUnits} method
* returns true when given the return value of {@link #getRealTupleType()} and if the coordinate
* system transformations are compatible. A SetType is compatible if its RealTupleType is
* compatible. A FunctionType is compatible if the MathType of its range is compatible. All other
* MathTypes are incompatible.
*
* @param type The VisAD MathType to examine for compatibility.
* @return <code>true</code> if and only if the MathType is compatible with this instance.
* @throws VisADException VisAD failure.
*/
public boolean isCompatible(MathType type) throws VisADException {
boolean isCompatible;
if (type instanceof RealType) {
isCompatible =
((RealType) type).equalsExceptNameButUnits(realType)
&& (getRealTupleType().getCoordinateSystem() == null);
} else if (type instanceof RealTupleType) {
RealTupleType thisTupleType = getRealTupleType();
RealTupleType thatTupleType = (RealTupleType) type;
if (!thatTupleType.equalsExceptNameButUnits(thisTupleType)) {
isCompatible = false;
} else {
CoordinateSystem thisCS = thisTupleType.getCoordinateSystem();
CoordinateSystem thatCS = thatTupleType.getCoordinateSystem();
isCompatible =
((thisCS == null)
? thatCS == null
: thisCS.getReference().equalsExceptNameButUnits(thatCS.getReference()));
}
} else if (type instanceof SetType) {
isCompatible = isCompatible(((SetType) type).getDomain());
} else if (type instanceof FunctionType) {
isCompatible = isCompatible(((FunctionType) type).getRange());
} else {
isCompatible = false;
}
return isCompatible;
}
/**
* 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);
}
/**
* @param gridWinds
* @param grid
* @return
* @throws IllegalArgumentException if the grid is irregular or has too few points or has no
* {@link visad.CoordinateSystem}, or if the reference of the grid's {@link
* visad.CoordinateSystem} doesn't contain {@link visad.RealType.Latitude} and {@link
* visad.RealType.Longitude}.
* @throws VisADException
*/
private static float[][] trueWind(float[][] gridWinds, SampledSet grid) throws VisADException {
if (grid instanceof IrregularSet) {
throw new IllegalArgumentException(grid.toString());
}
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());
}
float[] us = new float[grid.getLength()];
float[] vs = new float[grid.getLength()];
Arrays.fill(us, 0);
Arrays.fill(vs, 0);
addComponent(grid, gridWinds, cs, 0, latI, lonI, us, vs);
addComponent(grid, gridWinds, cs, 1, latI, lonI, us, vs);
return new float[][] {us, vs};
}
/**
* 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;
}
/**
* determine whether the given MathType and collection of ScalarMaps meets the criteria to use
* ImageRendererJ3D. Throw a VisADException if ImageRenderer cannot be used, otherwise return
* true.
*/
public static boolean isRendererUsable(MathType type, ScalarMap[] maps) throws VisADException {
RealType time = null;
RealTupleType domain = null;
RealTupleType range = null;
RealType x = null, y = null;
RealType rx = null, ry = null; // WLH 19 July 2000
RealType r = null, g = null, b = null;
RealType rgb = null;
// must be a function
if (!(type instanceof FunctionType)) {
throw new VisADException("Not a FunctionType");
}
FunctionType function = (FunctionType) type;
RealTupleType functionD = function.getDomain();
MathType functionR = function.getRange();
// time function
if (function.equalsExceptName(image_sequence_type)
|| function.equalsExceptName(image_sequence_type2)
|| function.equalsExceptName(image_sequence_type3)) {
// strip off time RealType
time = (RealType) functionD.getComponent(0);
function = (FunctionType) functionR;
functionD = function.getDomain();
functionR = function.getRange();
}
// ((ImageLine, ImageElement) -> ImageValue)
// ((ImageLine, ImageElement) -> (ImageValue))
// ((ImageLine, ImageElement) -> (Red, Green, Blue))
if (function.equalsExceptName(image_type)
|| function.equalsExceptName(image_type2)
|| function.equalsExceptName(image_type3)) {
domain = function.getDomain();
MathType rt = function.getRange();
if (rt instanceof RealType) {
range = new RealTupleType((RealType) rt);
} else if (rt instanceof RealTupleType) {
range = (RealTupleType) rt;
} else {
// illegal MathType
throw new VisADException("Illegal RangeType");
}
} else {
// illegal MathType
throw new VisADException("Illegal MathType");
}
// extract x and y from domain
x = (RealType) domain.getComponent(0);
y = (RealType) domain.getComponent(1);
// WLH 19 July 2000
CoordinateSystem cs = domain.getCoordinateSystem();
if (cs != null) {
RealTupleType rxy = cs.getReference();
rx = (RealType) rxy.getComponent(0);
ry = (RealType) rxy.getComponent(1);
}
// extract colors from range
int dim = range.getDimension();
if (dim == 1) rgb = (RealType) range.getComponent(0);
else { // dim == 3
r = (RealType) range.getComponent(0);
g = (RealType) range.getComponent(1);
b = (RealType) range.getComponent(2);
}
// verify that collection of ScalarMaps is legal
boolean btime = (time == null);
boolean bx = false, by = false;
boolean brx = false, bry = false; // WLH 19 July 2000
boolean br = false, bg = false, bb = false;
boolean dbr = false, dbg = false, dbb = false;
Boolean latlon = null;
DisplayRealType spatial = null;
for (int i = 0; i < maps.length; i++) {
ScalarMap m = maps[i];
ScalarType md = m.getScalar();
DisplayRealType mr = m.getDisplayScalar();
boolean ddt = md.equals(time);
boolean ddx = md.equals(x);
boolean ddy = md.equals(y);
boolean ddrx = md.equals(rx);
boolean ddry = md.equals(ry);
boolean ddr = md.equals(r);
boolean ddg = md.equals(g);
boolean ddb = md.equals(b);
boolean ddrgb = md.equals(rgb);
// animation mapping
if (ddt) {
if (btime) throw new VisADException("Multiple Time mappings");
if (!mr.equals(Display.Animation)) {
throw new VisADException("Time mapped to something other than Animation");
}
btime = true;
}
// spatial mapping
else if (ddx || ddy || ddrx || ddry) {
if (ddx && bx || ddy && by || ddrx && brx || ddry && bry) {
throw new VisADException("Duplicate spatial mappings");
}
if (((ddx || ddy) && (brx || bry)) || ((ddrx || ddry) && (bx || by))) {
throw new VisADException("reference and non-reference spatial mappings");
}
RealType q = (ddx ? x : null);
if (ddy) q = y;
if (ddrx) q = rx;
if (ddry) q = ry;
boolean ll;
if (mr.equals(Display.XAxis) || mr.equals(Display.YAxis) || mr.equals(Display.ZAxis)) {
ll = false;
} else if (mr.equals(Display.Latitude)
|| mr.equals(Display.Longitude)
|| mr.equals(Display.Radius)) {
ll = true;
} else throw new VisADException("Illegal domain mapping");
if (latlon == null) {
latlon = new Boolean(ll);
spatial = mr;
} else if (latlon.booleanValue() != ll) {
throw new VisADException("Multiple spatial coordinate systems");
}
// two mappings to the same spatial DisplayRealType are not allowed
else if (spatial == mr) {
throw new VisADException("Multiple mappings to the same spatial DisplayRealType");
}
if (ddx) bx = true;
else if (ddy) by = true;
else if (ddrx) brx = true;
else if (ddry) bry = true;
}
// rgb mapping
else if (ddrgb) {
if (br || bg || bb) {
throw new VisADException("Duplicate color mappings");
}
if (rgb == null || !(mr.equals(Display.RGB) || mr.equals(Display.RGBA))) {
throw new VisADException("Illegal RGB/RGBA mapping");
}
dbr = dbg = dbb = true;
br = bg = bb = true;
}
// color mapping
else if (ddr || ddg || ddb) {
if (rgb != null) throw new VisADException("Illegal RGB mapping");
RealType q = (ddr ? r : (ddg ? g : b));
if (mr.equals(Display.Red)) dbr = true;
else if (mr.equals(Display.Green)) dbg = true;
else if (mr.equals(Display.Blue)) dbb = true;
else throw new VisADException("Illegal color mapping");
if (ddr) br = true;
else if (ddg) bg = true;
else bb = true;
}
// illegal ScalarMap involving this MathType
else if (ddt || ddx || ddy || ddrx || ddry || ddr || ddg || ddb || ddrgb) {
throw new VisADException("Illegal mapping: " + m);
}
}
// return true if all conditions for ImageRendererJ3D are met
if (!(btime && ((bx && by) || (brx && bry)) && br && bg && bb && dbr && dbg && dbb)) {
throw new VisADException("Insufficient mappings");
}
return true;
}
