public void init(final Function function) {
xAxis.clear();
yAxis.clear();
if (function != lastFunction) { // need to reset
Slot.CIRCLE.clearList();
Slot.CROSS.clearList();
Slot.SQUARE.clearList();
Slot.TRIANGLE.clearList();
}
data = new GridPointData(resolution, resolution, 1);
plot = new InterpolatedPlot(data);
useSlot.clearList();
final List<List<ValuePointColored>> points = useSlot.getPoints();
for (Slot slot : Slot.values()) {
if (slot.isShow()) {
for (List<ValuePointColored> valuePoints : slot.getPoints()) {
for (ValuePointColored valuePoint : valuePoints) {
xAxis.add(valuePoint);
yAxis.add(valuePoint);
}
}
}
}
// clean drawing panel
drawablePanel.removeDrawables(InterpolatedPlot.class);
drawablePanel.addDrawable(plot);
datasetRecreation =
new Closure() {
public void execute(Object input) {
List<ValuePointColored> vps = (List<ValuePointColored>) input;
points.add(vps);
for (ValuePointColored vp : vps) {
xAxis.add(vp);
yAxis.add(vp);
}
if (points.size() > maxPoints) {
List<ValuePointColored> removed = points.remove(0);
for (ValuePointColored valuePoint : removed) {
xAxis.remove(valuePoint);
yAxis.remove(valuePoint);
}
}
// for ilustration
if (xAxis.size() > 0 && yAxis.size() > 0) {
double lowerXBound =
Math.min(
data.getLeft(), Math.floor(xAxis.first().getPoint().toArray()[0] - buffer));
double upperXBound =
Math.max(
data.getRight(), Math.ceil(xAxis.last().getPoint().toArray()[0] + buffer));
double lowerYBound =
Math.min(
data.getBottom(), Math.floor(yAxis.first().getPoint().toArray()[1] - buffer));
double upperYBound =
Math.max(data.getTop(), Math.ceil(yAxis.last().getPoint().toArray()[1] + buffer));
data.setScale(lowerXBound, upperXBound, lowerYBound, upperYBound);
double[][][] xyz = data.getData();
for (int i = 0; i < resolution; i++) {
for (int j = 0; j < resolution; j++) {
Point p = Point.at(xyz[i][j]);
// check the cached value of the point
xyz[i][j][2] = /*cache.containsKey(p) ? cache.get(p) :*/ function.valueAt(p);
}
}
}
plot.setGridData(data);
drawablePanel.repaint();
}
};
lastFunction = function;
// initialize to center point
double lowerXBound = Math.floor(centerX - buffer);
double upperXBound = Math.ceil(centerX + buffer);
double lowerYBound = Math.floor(centerY - buffer);
double upperYBound = Math.ceil(centerY + buffer);
data.setScale(lowerXBound, upperXBound, lowerYBound, upperYBound);
double[][][] xyz = data.getData();
for (int i = 0; i < resolution; i++) {
for (int j = 0; j < resolution; j++) {
Point p = Point.at(xyz[i][j]);
// check the cached value of the point
xyz[i][j][2] = /*cache.containsKey(p) ? cache.get(p) :*/ function.valueAt(p);
}
}
plot.setGridData(data);
drawablePanel.repaint();
}
public void setShowCrossSlot(boolean showCrossSlot) {
Slot.CROSS.setShow(showCrossSlot);
}
public PropertyState getShowCrossSlotState() {
return Slot.CROSS.getPoints().isEmpty() ? PropertyState.DISABLED : PropertyState.ENABLED;
}
public boolean isShowCrossSlot() {
return Slot.CROSS.isShow();
}