#include <rhinoSdkUnrollSrf.h>
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| static double | CalcRulingTwist (const ON_Curve *rail0, const ON_Curve *rail1, double t0, double t1) |
| | Calc twist across one ruling. More...
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| static bool | FindMinTwist (const ON_Curve *rail0, const ON_Curve *rail1, double t0, double t1, ON_Interval domain0, ON_Interval domain1, double &t0_out, double &t1_out, double &max_cos_twist) |
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| static bool | FindMinTwist (const ON_Curve *rail0, const ON_Curve *rail1, double t0, double t1, ON_Interval domain1, double &t1_out, double &max_cos_twist) |
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| static bool | UntwistSurface (const ON_Curve *rail0, const ON_Curve *rail1, int rulingcount, ON_2dPoint *rulings) |
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◆ CalcRulingTwist()
| static double RhDevelopableSurface::CalcRulingTwist |
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const ON_Curve * |
rail0, |
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const ON_Curve * |
rail1, |
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double |
t0, |
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double |
t1 |
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Calc twist across one ruling.
For a ruling between two rails, rail0 and rail1, from rail0(t0) to rial1(t1), the ruling twist is: V = rail0(t1) - rail1(t0) N0 = rail0.TangentAt(t0) cross V N1 = rail1.TangentAt(t1) cross V Twist = acos(N0 * N1)
◆ FindMinTwist() [1/2]
| static bool RhDevelopableSurface::FindMinTwist |
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const ON_Curve * |
rail0, |
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const ON_Curve * |
rail1, |
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double |
t0, |
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double |
t1, |
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ON_Interval |
domain0, |
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ON_Interval |
domain1, |
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double & |
t0_out, |
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double & |
t1_out, |
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double & |
max_cos_twist |
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Find a ruling from rail0(t0_out) to rail1(t1_out) that has the least twist across the ruling with t0_out in domain0 and t1_out in domain1. max_cos_twist is cos(twist) for the returned ruling
- Parameters
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| t0 | param on rail0 |
| t1 | param on rail1 |
| domain0 | search domain on rail0 |
| domain1 | search domain on rail1 |
| t0_out | best t on rail0 |
| t1_out | best t on rail1 |
| max_cos_twist | twist at rail0(t0_out), rail1(t1_out) |
◆ FindMinTwist() [2/2]
| static bool RhDevelopableSurface::FindMinTwist |
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const ON_Curve * |
rail0, |
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const ON_Curve * |
rail1, |
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double |
t0, |
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double |
t1, |
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ON_Interval |
domain1, |
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double & |
t1_out, |
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double & |
max_cos_twist |
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Find a ruling from rail0(t0) to rail1(t1_out) that has the least twist across the ruling with t1_out in domain1. max_cos_twist is cos(twist) for the returned ruling
- Parameters
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| t0 | param on rail0 |
| t1 | seed param on rail1 |
| domain1 | search domain on rail1 |
| t1_out | best t on rail1 |
| max_cos_twist | cos(twist) at rail0(t0_out), rail1(t1_out) |
◆ UntwistSurface()
| static bool RhDevelopableSurface::UntwistSurface |
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const ON_Curve * |
rail0, |
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const ON_Curve * |
rail1, |
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int |
rulingcount, |
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ON_2dPoint * |
rulings |
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