RS::Ending RSpline::getTrimEnd(const RVector& trimPoint, const RVector& clickPoint) {
double tAtClickPoint = getTAtPoint(clickPoint);
double tAtTrimPoint = getTAtPoint(trimPoint);
if (tAtTrimPoint < tAtClickPoint) {
return RS::EndingStart;
}
else {
return RS::EndingEnd;
}
}
RS::Ending RSpline::getTrimEnd(const RVector& coord, const RVector& trimPoint) {
double tTrimPoint = getTAtPoint(trimPoint);
double tCoord = getTAtPoint(coord);
if (tCoord < tTrimPoint) {
return RS::EndingEnd;
}
else {
return RS::EndingStart;
}
}
double RSpline::getAngleAt(double distance, RS::From from) const {
QList<RVector> points = getPointsWithDistanceToEnd(distance, from);
if (points.length()!=1) {
return RNANDOUBLE;
}
double t = getTAtPoint(points[0]);
ON_3dVector v = curve.DerivativeAt(t);
return RVector(v.x, v.y).getAngle();
}
bool RSpline::isOnShape(const RVector& point, bool limited, double tolerance) const {
if (hasProxy()) {
double t = getTAtPoint(point);
RVector p = getPointAt(t);
return point.getDistanceTo(p) < tolerance;
}
else {
return RShape::isOnShape(point, limited, tolerance);
}
}
/**
* Inserts a git point at the point on the spline closest to the given position.
*/
void RSpline::insertFitPointAt(const RVector& point) {
RVector p = getClosestPointOnShape(point);
// find out T at the point closest to point:
double t = getTAtPoint(p);
// find out index of fit point before t:
int index = -1;
for (int i=0; i<fitPoints.length(); i++) {
double tc = getTAtPoint(fitPoints[i]);
if (i==0 && isClosed()) {
// closed spline: two t's for first fit point:
tc = 0.0;
}
//qWarning() << "tc: " << tc;
if (tc<t) {
index = i+1;
}
else {
break;
}
}
// point not on spline:
if (index<0 || index>=fitPoints.length()) {
if (isClosed()) {
index = 0;
}
else {
qWarning() << "no point on spline found. t: " << t;
return;
}
}
fitPoints.insert(index, p);
update();
}