/**
* Draws concentric circles around the current aircraft position showing distance. author: rwalker
*
* @param canvas upon which to draw the circles
*/
private void drawDistanceRings(Canvas canvas) {
/*
* Some pre-conditions that would prevent us from drawing anything
*/
if (null != mPointProjection) {
return;
}
// Tell the rings to draw themselves
mService
.getDistanceRings()
.draw(canvas, mOrigin, mScale, mMovement, mPref.isTrackUp(), mGpsParams);
}
