void setupServerData(LocalDisplay[] dpys) throws RemoteException, VisADException {
Unit super_degree = CommonUnit.degree.scale(2.5);
RealType lon = RealType.getRealType("lon", super_degree);
DataReference ref = loadFile();
if (ref == null) {
System.err.println("must specify netCDF file name");
System.exit(1);
return;
}
FieldImpl netcdf_data = (FieldImpl) ref.getData();
// compute ScalarMaps from type components
FunctionType ftype = (FunctionType) netcdf_data.getType();
RealTupleType dtype = ftype.getDomain();
MathType rntype = ftype.getRange();
int n = dtype.getDimension();
dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(0), Display.XAxis));
if (n > 1) {
dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(1), Display.YAxis));
}
if (n > 2) {
dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(2), Display.ZAxis));
}
if (rntype instanceof RealType) {
dpys[0].addMap(new ScalarMap((RealType) rntype, Display.Green));
if (n <= 2) {
dpys[0].addMap(new ScalarMap((RealType) rntype, Display.ZAxis));
}
} else if (rntype instanceof RealTupleType) {
int m = ((RealTupleType) rntype).getDimension();
RealType rr = (RealType) ((RealTupleType) rntype).getComponent(0);
dpys[0].addMap(new ScalarMap(rr, Display.Green));
if (n <= 2) {
if (m > 1) {
rr = (RealType) ((RealTupleType) rntype).getComponent(1);
}
dpys[0].addMap(new ScalarMap(rr, Display.ZAxis));
}
}
dpys[0].addMap(new ConstantMap(0.5, Display.Red));
dpys[0].addMap(new ConstantMap(0.0, Display.Blue));
dpys[0].addReference(ref, null);
System.out.println("now saving data as 'save.nc' and re-reading");
Plain plain = new Plain();
try {
plain.save("save.nc", netcdf_data, true);
netcdf_data = (FieldImpl) plain.open("save.nc");
} catch (IOException e) {
System.err.println("Couldn't open \"save.nc\": " + e.getMessage());
System.exit(1);
return;
}
}
/**
* _more_
*
* @param range _more_
* @param var _more_
* @return _more_
* @throws Exception _more_
*/
protected float[] getFloatData(Range range, String var) throws Exception {
long t1 = System.currentTimeMillis();
float[] f =
SqlUtil.readFloat(
SqlUtil.getIterator(select("(" + var + ")", TABLE_DATA, "order by " + varTime)),
1,
(float) getMissingValue(var));
long t2 = System.currentTimeMillis();
// System.err.println("length:" + f.length + " time:" + (t2-t1));
if (f.length == 0) {
throw new BadDataException("No observations found in data base");
}
return f;
}
/**
* Robustly make a curve to a front
*
* @param curve the curve
* @param flip true to flip the pips
* @return the resulting front as a FieldImpl
* @throws RemoteException On badness
*/
public FieldImpl robustCurveToFront(float[][] curve, boolean flip) throws RemoteException {
// resample curve uniformly along length
float increment = rsegment_length / (rprofile_length * zoom);
float[][] oldCurve = null;
try {
oldCurve = resample_curve(curve, increment);
} catch (VisADError ve) { // bad curve
return null;
}
int fw = filter_window;
fw = 1;
FieldImpl front = null;
float[][] originalCurve = curve;
debug = true;
for (int tries = 0; tries < 12; tries++) {
// lowpass filter curve
curve = smooth_curve(oldCurve, fw);
// resample smoothed curve
curve = resample_curve(curve, increment);
try {
front = curveToFront(curve, flip);
break;
} catch (VisADException e) {
oldCurve = curve;
if (tries > 4) {
int n = oldCurve[0].length;
if (n > 2) {
float[][] no = new float[2][n - 2];
System.arraycopy(oldCurve[0], 1, no[0], 0, n - 2);
System.arraycopy(oldCurve[1], 1, no[1], 0, n - 2);
oldCurve = no;
}
}
if (tries > 8) {
fw = 2 * fw;
}
// if (debug) System.out.println("retry filter window = " + fw + " " + e);
if (tries == 9) {
// System.out.println("cannot smooth curve");
front = null;
}
}
}
return front;
}
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
if (cmd.equals("del")) {
try {
UnionSet set = (UnionSet) ref.getData();
SampledSet[] sets = set.getSets();
SampledSet[] new_sets = new SampledSet[sets.length - 1];
System.arraycopy(sets, 0, new_sets, 0, sets.length - 1);
ref.setData(new UnionSet(set.getType(), new_sets));
} catch (VisADException ex) {
} catch (RemoteException ex) {
}
} else if (cmd.equals("fill")) {
UnionSet set = null;
try {
set = (UnionSet) ref.getData();
System.out.println("area = " + DelaunayCustom.computeArea(set));
} catch (VisADException ex) {
System.out.println(ex.getMessage());
}
try {
// Irregular2DSet new_set = DelaunayCustom.fill(set);
Irregular2DSet new_set = DelaunayCustom.fillCheck(set, false);
if (new_ref == null) {
new_ref = new DataReferenceImpl("fill");
ConstantMap[] cmaps =
new ConstantMap[] {
new ConstantMap(1.0, Display.Blue),
new ConstantMap(1.0, Display.Red),
new ConstantMap(0.0, Display.Green)
};
DataRenderer renderer =
(display instanceof DisplayImplJ3D)
? (DataRenderer) new DefaultRendererJ3D()
: (DataRenderer) new DefaultRendererJ2D();
renderer.suppressExceptions(true);
display.addReferences(renderer, new_ref, cmaps);
}
new_ref.setData(new_set);
} catch (VisADException ex) {
System.out.println(ex.getMessage());
} catch (RemoteException ex) {
System.out.println(ex.getMessage());
}
} else if (cmd.equals("lines")) {
try {
lines = !lines;
GraphicsModeControl mode = display.getGraphicsModeControl();
if (lines) {
mode.setPolygonMode(DisplayImplJ3D.POLYGON_LINE);
} else {
mode.setPolygonMode(DisplayImplJ3D.POLYGON_FILL);
}
} catch (VisADException ex) {
System.out.println(ex.getMessage());
} catch (RemoteException ex) {
System.out.println(ex.getMessage());
}
}
}
static {
Unit min;
Unit h;
Unit d;
Unit a;
try {
min = SECOND.scale(60).clone("min");
h = min.scale(60).clone("h");
d = h.scale(24).clone("d");
a = SECOND.scale(3.15569259747e7).clone("a");
instance = new TimeInterval();
} catch (Exception e) {
min = null; // to fool compiler
h = null; // to fool compiler
d = null; // to fool compiler
a = null; // to fool compiler
System.err.println("TimeInterval.<clinit>(): Couldn't initialize class: " + e);
System.exit(1);
}
MINUTE = min;
HOUR = h;
DAY = d;
YEAR = a;
}
static {
try {
instance = new YSpeed();
} catch (Exception e) {
System.err.println("YSpeed.<clinit>(): Couldn't initialize class: " + e);
System.exit(1);
}
}
/**
* attempt to invoke a Method with the given Object arguments, performing static method
* auto-detection and automatic array compression
*/
public static Object invokeMethod(Method m, Object[] o)
throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
Object obj;
Object[] args;
Class[] c = m.getParameterTypes();
int num = (o == null) ? 0 : o.length;
int len = -1;
int a = -1;
if (c != null) {
len = c.length;
for (int i = 0; i < len; i++) {
if (c[i].isArray()) a = i;
}
}
if (Modifier.isStatic(m.getModifiers())) {
// static method
obj = null;
if (num > 0) {
if (a < 0) {
args = new Object[num];
System.arraycopy(o, 0, args, 0, num);
} else {
// compress some of the arguments into array form
args = new Object[len];
if (a > 0) System.arraycopy(o, 0, args, 0, a);
Object array = Array.newInstance(c[a].getComponentType(), num - len + 1);
System.arraycopy(o, a, array, 0, num - len + 1);
args[a] = array;
if (a < len - 1) System.arraycopy(o, num - len + a + 1, args, a + 1, len - a - 1);
}
} else args = null;
} else {
// object method
if (num > 0) obj = o[0];
else {
// invalid object method
return null;
}
if (num > 1) {
if (a < 0) {
args = new Object[num - 1];
System.arraycopy(o, 1, args, 0, num - 1);
} else {
// compress some of the arguments into array form
args = new Object[len];
if (a > 0) System.arraycopy(o, 1, args, 0, a);
Object array = Array.newInstance(c[a].getComponentType(), num - len);
System.arraycopy(o, a + 1, array, 0, num - len);
args[a + 1] = array;
if (a < len - 1) System.arraycopy(o, num - len + a + 1, args, a + 1, len - a - 1);
}
} else args = null;
}
return m.invoke(obj, args);
}
/**
* Test this out
*
* @param args filename
* @throws Exception problem
*/
public static void main(String[] args) throws Exception {
if (args.length == 0) {
System.err.println("need to supply a filename");
System.exit(1);
}
ShapefileAdapter sfa = new ShapefileAdapter(args[0]);
UnionSet data = sfa.getData();
// System.out.println(data);
visad.python.JPythonMethods.dumpTypes(data);
}
/**
* Utility to make a set
*
* @param sets List of sets
* @return The set of sets
* @throws VisADException On badness
*/
public static UnionSet makeSet(List sets) throws VisADException {
if (sets == null) {
return null;
}
SampledSet[] ss = new SampledSet[sets.size()];
System.arraycopy(sets.toArray(), 0, ss, 0, sets.size());
if (ss.length > 0) {
return new UnionSet(ss[0].getType(), ss, null, null, null, false);
} else {
return null;
}
}
private DataReferenceImpl loadFile() throws RemoteException, VisADException {
FieldImpl data;
try {
data = (FieldImpl) new Plain().open(fileName);
} catch (IOException e) {
System.err.println("Couldn't open \"" + fileName + "\": " + e.getMessage());
System.exit(1);
return null;
}
// System.out.println("data type = " + data.getType());
DataReferenceImpl ref = new DataReferenceImpl("netcdf");
ref.setData(data);
return ref;
}
static {
// initialize cache of FlatFields
if (adaptedFlatFieldOwner != null
&& adaptedFlatFields != null
&& adaptedFlatFieldSizes != null
&& adaptedFlatFieldTimes != null
&& adaptedFlatFieldDirty != null) {
for (int i = 0; i < MAX_FILE_FLAT_FIELDS; i++) {
// mark Owners for all cache entries to indicate not
// belonging to any FileFlatField
adaptedFlatFieldOwner[i] = null;
adaptedFlatFields[i] = null;
adaptedFlatFieldSizes[i] = 0;
adaptedFlatFieldTimes[i] = System.currentTimeMillis();
adaptedFlatFieldDirty[i] = false;
}
}
}
static {
Real mdp = null;
Real mp = null;
Real mws = null;
try {
mdp = (Real) DewPoint.getRealType().missingData();
mp = (Real) AirPressure.getRealType().missingData();
mws = (Real) WaterVaporMixingRatio.getRealType().missingData();
} catch (Exception e) {
System.err.print("Couldn't initialize class: ");
e.printStackTrace();
System.exit(1);
}
missingDewPoint = mdp;
missingPres = mp;
missingWsat = mws;
}
static {
CoordinateSystem coordSys;
try {
coordSys =
new PolarCoordinateSystem(
CartesianVelocity2D.instance().getRealTupleType(),
Speed.DEFAULT_UNIT,
PlaneAngle.DEFAULT_UNIT);
instance =
new PolarVelocity(
"Polar_Velocity",
(Speed) Speed.instance(),
(PlaneAngle) PlaneAngle.instance(),
coordSys);
} catch (Exception e) {
System.err.println("PolarVelocity.<clinit>(): Couldn't initialize class: " + e);
System.exit(1);
}
}
/**
* @param grid The grid.
* @param gridWinds The grid-relative winds.
* @param cs The coordinate system transformation of the grid.
* @param index The index of the grid-relative wind component.
* @param latI The index of latitude in the reference coordinate system.
* @param lonI The index of longitude in the reference coordinate system.
* @param us The array in which to add the computed U-component of the wind.
* @param us The array in which to add the computed V-component of the wind.
* @param vs
* @throws IndexOutOfBoundsException if <code>gridWinds</code>, <code>us
* </code>, or <code>vs</code> is too small.
* @throws VisADException if a VisAD failure occurs.
*/
private static void addComponent(
SampledSet grid,
float[][] gridWinds,
CoordinateSystem cs,
int index,
int latI,
int lonI,
float[] us,
float[] vs)
throws VisADException {
int[][] neighbors = grid.getNeighbors(index);
LatLonPointImpl refPt = new LatLonPointImpl();
LatLonPointImpl neiPt = new LatLonPointImpl();
Bearing bearing = new Bearing();
float[] uv1 = new float[2];
float[] uv2 = new float[2];
boolean hasCS = cs != null;
float[][] domainSamples = grid.getSamples(false);
float[][] crefCoords = (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
|| (crefCoords == domainSamples)
|| (Arrays.equals(crefCoords[latI], domainSamples[latI])
&& Arrays.equals(crefCoords[lonI], domainSamples[lonI]))) {
// us = gridWinds[0];
// vs = gridWinds[1];
System.arraycopy(gridWinds[0], 0, us, 0, us.length);
System.arraycopy(gridWinds[1], 0, vs, 0, vs.length);
} else {
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,
gridWinds[index][i],
bearing,
uv1);
float d1 = (float) bearing.getDistance();
compute(
refPt,
neiPt,
neiCoords[latI][1],
neiCoords[lonI][1],
0,
gridWinds[index][i],
bearing,
uv2);
float d2 = (float) bearing.getDistance();
boolean bad1 = Double.isNaN(d1);
boolean bad2 = Double.isNaN(d2);
if (bad1 && bad2) {
us[i] = Float.NaN;
vs[i] = Float.NaN;
} else {
if (bad1) {
us[i] += uv2[0];
vs[i] += uv2[1];
} else if (bad2) {
us[i] += uv1[0];
vs[i] += uv1[1];
} else {
float tot = d1 + d2;
float c1 = d2 / tot;
float c2 = d1 / tot;
us[i] += c1 * uv1[0] + c2 * uv2[0];
vs[i] += c1 * uv1[1] + c2 * uv2[1];
}
}
}
}
}
void setupServerData(LocalDisplay[] dpys) throws RemoteException, VisADException {
DefaultFamily df = new DefaultFamily("loader");
DataReference ref1 = loadFile(df, file1, "img1");
if (ref1 == null) {
System.err.println("\"" + file1 + "\" is not a valid file");
System.exit(1);
return;
}
DataReference ref2 = loadFile(df, file2, "img2");
if (ref2 == null) {
System.err.println("\"" + file2 + "\" is not a valid file");
System.exit(1);
return;
}
FlatField img1 = (FlatField) ref1.getData();
FlatField img2 = (FlatField) ref2.getData();
/*
if (!img1.getType().equals(img2.getType())) {
System.err.println("Incompatible file types:");
System.err.println(" " + file1 + ": " + img1.getType());
System.err.println(" " + file2 + ": " + img2.getType());
System.exit(1);
return;
}
*/
// compute ScalarMaps from type components
FunctionType ftype = (FunctionType) img1.getType();
RealTupleType dtype = ftype.getDomain();
RealTupleType rtype = (RealTupleType) ftype.getRange();
/* map domain elements to spatial axes */
final int dLen = dtype.getDimension();
for (int i = 0; i < dLen; i++) {
ScalarType scalT;
DisplayRealType dpyRT;
switch (i) {
case 0:
dpyRT = Display.XAxis;
break;
case 1:
dpyRT = Display.YAxis;
break;
case 2:
dpyRT = Display.ZAxis;
break;
default:
dpyRT = null;
break;
}
if (dpyRT != null) {
dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(i), dpyRT));
}
}
/* map range elements to colors */
final int rLen = rtype.getDimension();
for (int i = 0; i < rLen; i++) {
ScalarType scalT;
DisplayRealType dpyRT;
switch (i) {
case 0:
dpyRT = Display.Red;
break;
case 1:
dpyRT = Display.Green;
break;
case 2:
dpyRT = Display.Blue;
break;
default:
dpyRT = null;
break;
}
if (dpyRT != null) {
dpys[0].addMap(new ScalarMap((RealType) rtype.getComponent(i), dpyRT));
}
}
dpys[0].addReference(ref1, null);
dpys[0].addReference(ref2, null);
dpys[0].addActivityHandler(new SwitchGIFs(dpys[0]));
}
/**
* Set the front state
*
* @param fsegment length of first segment in graphics coord
* @param rsegment length of repeating segment in graphics coord
* @param fshapes shapes of the front
* @param fred first reds
* @param fgreen first greens
* @param fblue first blues
* @param rshapes repeating shapes
* @param rred repeating reds
* @param rgreen repeating greens
* @param rblue repeating blues
* @throws RemoteException On badness
* @throws VisADException On badness
*/
private void setFrontState(
float fsegment,
float rsegment,
float[][][] fshapes,
float[] fred,
float[] fgreen,
float[] fblue,
float[][][] rshapes,
float[] rred,
float[] rgreen,
float[] rblue)
throws VisADException, RemoteException {
fsegment_length = fsegment;
rsegment_length = rsegment;
nrshapes = rshapes.length;
for (int i = 0; i < nrshapes; i++) {
if ((rshapes[i] == null)
|| (rshapes[i].length != 2)
|| (rshapes[i][0] == null)
|| (rshapes[i][1] == null)
|| (rshapes[i][0].length != rshapes[i][1].length)) {
throw new VisADException("bad rshapes[" + i + "]");
}
}
if ((rred == null)
|| (rred.length != nrshapes)
|| (rgreen == null)
|| (rgreen.length != nrshapes)
|| (rblue == null)
|| (rblue.length != nrshapes)) {
throw new VisADException("bad rcolors");
}
repeat_tris = new int[nrshapes][][];
for (int i = 0; i < nrshapes; i++) {
repeat_tris[i] = DelaunayCustom.fill(rshapes[i]);
}
repeat_shapes = new float[nrshapes][2][];
int rlen = 0;
for (int i = 0; i < nrshapes; i++) {
int n = rshapes[i][0].length;
rlen += n;
repeat_shapes[i][0] = new float[n];
repeat_shapes[i][1] = new float[n];
System.arraycopy(rshapes[i][0], 0, repeat_shapes[i][0], 0, n);
System.arraycopy(rshapes[i][1], 0, repeat_shapes[i][1], 0, n);
}
rprofile_length = rlen;
repeat_red = new float[nrshapes];
repeat_green = new float[nrshapes];
repeat_blue = new float[nrshapes];
System.arraycopy(rred, 0, repeat_red, 0, nrshapes);
System.arraycopy(rgreen, 0, repeat_green, 0, nrshapes);
System.arraycopy(rblue, 0, repeat_blue, 0, nrshapes);
if (fshapes == null) {
// if no different first shapes, just use repeat shapes
nfshapes = nrshapes;
first_tris = repeat_tris;
first_shapes = repeat_shapes;
first_red = repeat_red;
first_green = repeat_green;
first_blue = repeat_blue;
} else {
nfshapes = fshapes.length;
for (int i = 0; i < nfshapes; i++) {
if ((fshapes[i] == null)
|| (fshapes[i].length != 2)
|| (fshapes[i][0] == null)
|| (fshapes[i][1] == null)
|| (fshapes[i][0].length != fshapes[i][1].length)) {
throw new VisADException("bad fshapes[" + i + "]");
}
}
if ((fred == null)
|| (fred.length != nfshapes)
|| (fgreen == null)
|| (fgreen.length != nfshapes)
|| (fblue == null)
|| (fblue.length != nfshapes)) {
throw new VisADException("bad fcolors");
}
first_tris = new int[nfshapes][][];
for (int i = 0; i < nfshapes; i++) {
first_tris[i] = DelaunayCustom.fill(fshapes[i]);
}
first_shapes = new float[nfshapes][2][];
int flen = 0;
for (int i = 0; i < nfshapes; i++) {
int n = fshapes[i][0].length;
flen += n;
first_shapes[i][0] = new float[n];
first_shapes[i][1] = new float[n];
System.arraycopy(fshapes[i][0], 0, first_shapes[i][0], 0, n);
System.arraycopy(fshapes[i][1], 0, first_shapes[i][1], 0, n);
}
fprofile_length = flen;
first_red = new float[nfshapes];
first_green = new float[nfshapes];
first_blue = new float[nfshapes];
System.arraycopy(fred, 0, first_red, 0, nfshapes);
System.arraycopy(fgreen, 0, first_green, 0, nfshapes);
System.arraycopy(fblue, 0, first_blue, 0, nfshapes);
}
if (rprofile_length < 5) {
rprofile_length = 5;
}
if (fprofile_length < 5) {
fprofile_length = 5;
}
}
/**
* 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;
}
private FlatField getAdaptedFlatField() {
// if owner array is null,
// assume this object got serialized & unserialized
if (adaptedFlatFieldOwner == null) {
return null;
}
synchronized (adaptedFlatFields) {
for (int ii = 0; ii < MAX_FILE_FLAT_FIELDS; ii++) {
if (this == adaptedFlatFieldOwner[ii]) {
// mark time of most recent access
adaptedFlatFieldTimes[ii] = System.currentTimeMillis();
return adaptedFlatFields[ii];
}
}
// this FileFlatField does not own a cache entry, so invoke
// CahceStrategy.allocate to allocate one, possibly by taking
// one, possibly by taking one from another FileFlatField;
// this will be an area for lots of thought and experimentation;
adaptedFlatFieldIndex =
cacheStrategy.allocate(
adaptedFlatFields, adaptedFlatFieldDirty,
adaptedFlatFieldSizes, adaptedFlatFieldTimes);
// flush cache entry, if dirty
if (adaptedFlatFieldDirty[adaptedFlatFieldIndex]) {
try {
adaptedFlatFieldOwner[adaptedFlatFieldIndex].flushCache();
} catch (VisADException e) {
System.out.println(e.getMessage());
}
}
// create a new entry in adaptedFlatFields at adaptedFlatFieldIndex
// and read data values from fileAccessor at fileLocation
try {
adaptedFlatFields[adaptedFlatFieldIndex] = fileAccessor.getFlatField();
} catch (VisADException e1) {
System.out.println(e1.getMessage());
} catch (RemoteException e2) {
System.out.println(e2.getMessage());
}
// mark cache entry as belonging to this FileFlatField
adaptedFlatFieldOwner[adaptedFlatFieldIndex] = this;
// get size of adapted FlatField
// (by calling a method that currently does not exist)
/*adaptedFlatFields[adaptedFlatFieldIndex].getSize(); */
adaptedFlatFieldTimes[adaptedFlatFieldIndex] = System.currentTimeMillis();
return adaptedFlatFields[adaptedFlatFieldIndex];
}
}