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1---------------
AcDbSpline(
const AcGePoint3d& center,
const AcGeVector3d& normal,
const AcGeVector3d& majorAxis,
double radiusRatio,
double startAngle = 0.0,
double endAngle = 6.28318530717958647692);
2----------------------
AcDbSpline(
const AcGePoint3dArray& fitPoints,
const AcGeVector3d& startTangent,
const AcGeVector3d& endTangent,
int order = 4,
double fitTolerance = 0.0);
3-----------------------
AcDbSpline(
int degree,
Adesk::Boolean isRational,
Adesk::Boolean isClosed,
Adesk::Boolean isPeriodic,
const AcGePoint3dArray& controlPoints,
const AcGeDoubleArray& knots,
const AcGeDoubleArray& weights,
double controlPtTol = 0.0,
double knotTol = 0.0);
请帮忙解释这几个函数中的参数! |
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