/**
* Overrides TPoint setXY method.
*
* @param x the x coordinate
* @param y the y coordinate
*/
public void setXY(double x, double y) {
if (track.isLocked()) return;
super.setXY(x, y);
repaint();
((PointMass) track).updateDerivatives(n);
track.support.firePropertyChange("step", null, new Integer(n)); // $NON-NLS-1$
}
/**
* Draws this without refreshing steps.
*
* @param panel the drawing panel requesting the drawing
* @param _g the graphics context on which to draw
*/
public void drawMe(DrawingPanel panel, Graphics _g) {
// position and show inspector if requested during loading
if (inspectorX != Integer.MIN_VALUE
&& trackerPanel != null
&& trackerPanel.getTFrame() != null) {
positionInspector();
Runnable runner =
new Runnable() {
public void run() {
showInspector = false;
inspector.setVisible(true);
}
};
if (showInspector) SwingUtilities.invokeLater(runner);
}
if (isVisible() && isTraceVisible()) {
// draw trace only if fixed coords & (non-worldview or no ref frame)
TrackerPanel tPanel = (TrackerPanel) panel;
ImageCoordSystem coords = tPanel.getCoords(); // get active coords
boolean isRefFrame = coords instanceof ReferenceFrame;
if (isRefFrame) {
coords = ((ReferenceFrame) coords).getCoords();
}
boolean fixed = coords.isFixedAngle() && coords.isFixedOrigin() && coords.isFixedScale();
if (fixed && (!(tPanel instanceof WorldTView) || !isRefFrame)) {
trace.reset();
for (int i = 0; i < traceX.length; i++) {
if (Double.isNaN(traceX[i])) continue;
tracePt.setLocation(traceX[i], traceY[i]);
java.awt.Point p = tracePt.getScreenPosition(tPanel);
if (trace.getCurrentPoint() == null) trace.moveTo((float) p.getX(), (float) p.getY());
else trace.lineTo((float) p.getX(), (float) p.getY());
}
Graphics2D g2 = (Graphics2D) _g;
Color color = g2.getColor();
Stroke stroke = g2.getStroke();
g2.setColor(getFootprint().getColor());
g2.setStroke(traceStroke);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
g2.draw(trace);
// restore original color and stroke
g2.setColor(color);
g2.setStroke(stroke);
}
}
super.draw(panel, _g);
}
/**
* Overrides TPoint showCoordinates method.
*
* @param vidPanel the video panel
*/
public void showCoordinates(VideoPanel vidPanel) {
// put values into pointmass x and y fields
Point2D p = getWorldPosition(vidPanel);
track.xField.setValue(p.getX());
track.yField.setValue(p.getY());
track.magField.setValue(p.distance(0, 0));
double theta = Math.atan2(p.getY(), p.getX());
track.angleField.setValue(theta);
super.showCoordinates(vidPanel);
}
/**
* Sets the adjusting flag.
*
* @param adjusting true if being dragged
*/
@Override
public void setAdjusting(boolean adjusting) {
super.setAdjusting(adjusting);
track.support.firePropertyChange("adjusting", null, adjusting); // $NON-NLS-1$
}