返回两个 3-D 向量之间的夹角（角度值）。
rhinoscriptsyntax.VectorAngle (vector1, vector2)
rhinoscript.pointvector.VectorAngle (vector1, vector2)
vector1 |
必须参数。三个数构成的列表、Point3d 点或 Vector3d 向量。The first 3-D vector. |
vector2 |
必须参数。三个数构成的列表、Point3d 点或 Vector3d 向量。第二个 3-D 向量。 |
数字 |
如果执行成功，返回角度值。 |
None |
出错返回空值。 |
import rhinoscriptsyntax as rs
s0 = rs.GetObject("Surface 0", rs.filter.surface)
s1 = rs.GetObject("Surface 1", rs.filter.surface)
du0 = rs.SurfaceDomain(s0, 0)
dv0 = rs.SurfaceDomain(s0, 1)
du1 = rs.SurfaceDomain(s1, 0)
dv1 = rs.SurfaceDomain(s1, 1)
n0 = rs.SurfaceNormal(s0, (du0[0], dv0[0]))
n1 = rs.SurfaceNormal(s1, (du1[0], dv1[0]))
print rs.VectorAngle(n0, n1)
print rs.VectorAngle(n0, rs.VectorReverse(n1))