/** Updates the contour data my directly copying values. */
void updateDirect(GridData griddata) {
if (griddata == null) {
return;
}
if (autoscaleZ) {
double[] minmax = griddata.getZRange(ampIndex);
zmax = minmax[1];
zmin = minmax[0];
if (zMap != null) {
zMap.setMinMax(zmin, zmax);
}
colorMap.setScale(zmin, zmax);
}
if (griddata instanceof ArrayData) {
double[][] arrayData = griddata.getData()[ampIndex];
for (int i = 0; i < nx; i++) { // copy the rows
System.arraycopy(arrayData[i], 0, internalData[i], 0, ny);
if (zMap != null) {
for (int j = 0; j < ny; j++) {
internalData[i][j] = zMap.evaluate(internalData[i][j]);
}
}
}
} else if (griddata instanceof GridPointData) {
double[][][] ptdata = griddata.getData();
for (int i = 0, nx = ptdata.length; i < nx; i++) {
for (int j = 0, ny = ptdata[0].length; j < ny; j++) {
internalData[i][j] = ptdata[i][j][2 + ampIndex];
if (zMap != null) {
internalData[i][j] = zMap.evaluate(internalData[i][j]);
}
}
}
}
}
/** Updates the internal data by interpolating large grids onto a smaller array. */
void updateInterpolated(GridData griddata) {
if (autoscaleZ) {
double[] minmax = griddata.getZRange(ampIndex);
zmax = minmax[1];
zmin = minmax[0];
if (zMap != null) {
zMap.setMinMax(zmin, zmax);
}
colorMap.setScale(zmin, zmax);
}
double x = griddata.getLeft(), dx = (griddata.getRight() - griddata.getLeft()) / (nx - 1);
double y = griddata.getTop(), dy = -(griddata.getTop() - griddata.getBottom()) / (ny - 1);
for (int i = 0; i < nx; i++) {
y = griddata.getTop();
for (int j = 0; j < ny; j++) {
internalData[i][j] = griddata.interpolate(x, y, ampIndex);
if (zMap != null) {
internalData[i][j] = zMap.evaluate(internalData[i][j]);
}
y += dy;
}
x += dx;
}
}