/**
* 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());
}
}
}
/**
* 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);
}
/**
* 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;
}
}
/**
* @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];
}
}
}
}
}
/**
* 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;
}
}