# execute_rhino_code (IronPython 2.7) - 코핑 로컬 프레임 + 길이방향 단면 외곽 (s, z) 출력
# 입력: COPING_ID
import scriptcontext as sc, Rhino, math, System
d = sc.doc
tol = d.ModelAbsoluteTolerance
COPING_ID = "d7b51436-d411-4ed6-be00-5af9d2058029"
b = d.Objects.FindId(System.Guid(COPING_ID)).Geometry

# 1) 길이방향 각도: 수평 edge 방향 히스토그램
angs = {}
for e in b.Edges:
    v = e.PointAtEnd - e.PointAtStart
    if abs(v.Z) < 1 and v.Length > 1000:
        a = round(math.degrees(math.atan2(v.Y, v.X)) % 180.0, 3)
        angs[a] = angs.get(a, 0) + v.Length
out = []
for k in sorted(angs.keys()):
    out.append("ang %s total len %d" % (k, round(angs[k])))
# 길이방향 = bbox 범위와 맞는 쪽 선택 (대호지교 P1: 19.105)
ANG = 19.105
a = math.radians(ANG)
u = Rhino.Geometry.Vector3d(math.cos(a), math.sin(a), 0)
c = b.GetBoundingBox(True).Center

# 2) 단면
pl = Rhino.Geometry.Plane(c, u, Rhino.Geometry.Vector3d.ZAxis)
ok, crvs, pts = Rhino.Geometry.Intersect.Intersection.BrepPlane(b, pl, tol)
for sg in crvs[0].DuplicateSegments():
    p0 = sg.PointAtStart; p1 = sg.PointAtEnd
    out.append("%.1f,%.1f -> %.1f,%.1f" % ((p0 - c) * u, p0.Z, (p1 - c) * u, p1.Z))
sc.sticky["frame"] = (ANG, c)
result = "\n".join(out)
print(result)