import compas
from compas.geometry import Vector, Translation, Scale
from compas.geometry import Polyline
from compas.datastructures import Mesh
from compas_occ.brep import BRep
from compas_view2.app import App
mesh = Mesh.from_obj(compas.get('tubemesh.obj'))
centroid = mesh.centroid()
zmin = min(mesh.vertices_attribute('z'))
vector = Vector(*centroid)
vector.z = zmin
vector *= -1
T = Translation.from_vector(vector)
S = Scale.from_factors([0.3, 0.3, 0.3])
mesh.transform(S * T)
brep = BRep.from_mesh(mesh)
lines = []
curves = []
for edge in brep.edges:
if edge.is_line:
lines.append(edge.to_line())
elif edge.is_bspline:
curves.append(Polyline(edge.curve.locus()))
