bool RSpline::isValid() const {
if (!dirty) {
#ifndef R_NO_OPENNURBS
return curve.IsValid();
#endif
}
if (degree<1 || degree>3) {
return false;
}
if (hasFitPoints()) {
if (fitPoints.count() < 3) {
return false;
}
return true;
}
else {
if (controlPoints.count() < degree+1) {
return false;
}
return true;
}
/*
bool ret = curve.ctrlPnts().size() > degree &&
curve.ctrlPnts().size() + degree + 1 == curve.knot().size();
if (!ret) {
qWarning() << "RSpine::isValid: false";
}
return ret;
*/
//return true;
}
bool RSpline::isValid() const {
if (!dirty) {
#ifndef R_NO_OPENNURBS
// enable for opennurbs debugging:
// ON_wString s;
// ON_TextLog log(s);
// if (!curve.IsValid(&log)) {
// qDebug() << "RSpline::isValid: spline curve is not valid:";
// QString qs;
// for (int i=0; i<s.Length(); i++) {
// qs.append(QChar(s.GetAt(i)));
// }
// qDebug() << qs;
// }
return curve.IsValid();
#endif
}
if (degree<1) {
qDebug() << "RSpline::isValid: spline not valid: degree: " << degree;
return false;
}
if (hasFitPoints()) {
if (fitPoints.count() < 3) {
//qDebug() << "RSpline::isValid: spline not valid: less than 3 fit points";
return false;
}
return true;
}
else {
if (controlPoints.count() < degree+1) {
//qDebug() << "RSpline::isValid: spline not valid: less than " << degree+1 << " control points";
return false;
}
return true;
}
/*
bool ret = curve.ctrlPnts().size() > degree &&
curve.ctrlPnts().size() + degree + 1 == curve.knot().size();
if (!ret) {
qWarning() << "RSpine::isValid: false";
}
return ret;
*/
//return true;
}
void RSpline::updateFromControlPoints() const {
#ifndef R_NO_OPENNURBS
if (controlPoints.size()<degree+1) {
invalidate();
qWarning() << "RSpline::updateFromControlPoints: not enough control points: "
<< controlPoints.size();
return;
}
// periodic:
if (periodic && !hasFitPoints()) {
ON_3dPoint* points = new ON_3dPoint[controlPoints.size()];
for (int i=0; i<controlPoints.size(); ++i) {
RVector cp = controlPoints.at(i);
points[i] = ON_3dPoint(cp.x, cp.y, cp.z);
}
curve.CreatePeriodicUniformNurbs(3, getOrder(), controlPoints.size(), points);
delete[] points;
}
// open or from fit points:
else {
curve.Create(3, false, getOrder(), controlPoints.size());
// setting control points:
for (int i=0; i<controlPoints.size(); ++i) {
RVector cp = controlPoints.at(i);
ON_3dPoint onp(cp.x, cp.y, cp.z);
curve.SetCV(i, onp);
//qDebug() << "RSpline: controlPoints[" << i << "]: " << cp;
}
bool knotCondition = (knotVector.size() == getOrder() + controlPoints.size() - 2);
//knotCondition = true;
// genetate knot vector automatically:
if (knotVector.isEmpty() || !knotCondition) {
// if (!knotVector.isEmpty()) {
// qDebug() << "RSpline: knotVector ignored";
// qDebug() << "RSpline: knots: " << knotVector.size();
// qDebug() << "RSpline: order: " << getOrder();
// qDebug() << "RSpline: controlPoints: " << controlPoints.size();
// }
int si = ON_KnotCount(getOrder(), controlPoints.size());
double* knot = new double[si];
//ON_MakePeriodicUniformKnotVector(getOrder(), controlPoints.size(), knot);
ON_MakeClampedUniformKnotVector(getOrder(), controlPoints.size(), knot);
for (int i=0; i<si; ++i) {
// qDebug() << "RSpline: knot[" << i << "]: " << knot[i];
curve.SetKnot(i, knot[i]);
}
delete[] knot;
}
else {
int k=0;
for (int i=0; i<knotVector.count(); ++i) {
//qDebug() << "RSpline: knot[" << i << "]: " << knotVector.at(i);
bool ok = curve.SetKnot(k++, knotVector.at(i));
if (!ok) {
//qDebug() << "RSpline: knot[" << i << "]: NOT set";
}
}
}
}
//##getExploded();
#endif
}