def set_tri_corners(mesh):
dots = {}
rs.EnableRedraw(False)
for fkey in mesh.faces():
c_pts = mesh.face_coordinates(fkey)
# reverse oder to make the flags match with the corners
c_pts.reverse()
if len(c_pts) != 3:
continue
cent = mesh.face_centroid(fkey)
for i, c_pt in enumerate(c_pts):
pt = centroid_points([cent, c_pt])
dot = rs.AddTextDot('', pt)
rs.TextDotHeight(dot, 6)
dots[str(dot)] = (fkey, i)
rs.EnableRedraw(True)
if not dots:
return None
dot_ids = dots.keys()
data = rs.GetObjectsEx(message="Select face dot",
filter=0,
preselect=False,
select=False,
objects=dot_ids)
rs.DeleteObjects(dot_ids)
if not data:
return None
for datum in data:
dot = datum[0]
fkey, flag = dots[str(dot)]
if flag == None:
return None
mesh.set_face_attribute(fkey, 'corner', flag)
return True
def set_openings(mesh):
rs.EnableRedraw(False)
dots = {}
for fkey in mesh.faces():
cent = mesh.face_centroid(fkey)
if mesh.get_face_attribute(fkey, 'opening'):
dot = rs.AddTextDot(fkey, cent)
rs.ObjectColor(dot, [255, 0, 0])
else:
dot = rs.AddTextDot(fkey, cent)
rs.ObjectColor(dot, [0, 255, 0])
rs.TextDotHeight(dot, 12)
dots[str(dot)] = fkey
rs.EnableRedraw(True)
if not dots:
return None
dot_ids = dots.keys()
data = rs.GetObjectsEx(message="Select face for toggle openings",
filter=0,
preselect=False,
select=False,
objects=dot_ids)
rs.DeleteObjects(dot_ids)
if data:
for datum in data:
dot = datum[0]
fkey = dots[str(dot)]
if mesh.get_face_attribute(fkey, 'opening'):
mesh.set_face_attribute(fkey, 'opening', 0)
else:
mesh.set_face_attribute(fkey, 'opening', 1)
def get_initial_mesh(precision):
crvs = rs.GetObjects("Select boundary curves",
4,
group=True,
preselect=False,
select=False,
objects=None,
minimum_count=3,
maximum_count=0)
lines = get_line_coordinates(crvs)
geo_lines = [(geometric_key(pt_u,
precision), geometric_key(pt_v, precision))
for pt_u, pt_v in lines]
network = Network.from_lines(lines, precision)
if network.leaves():
return None
adjacency = {
key: network.vertex_neighbours(key)
for key in network.vertices()
}
root = network.get_any_vertex()
ordering, predecessors, paths = depth_first_tree(adjacency, root)
if len(ordering) != network.number_of_vertices():
return None
mesh = Mesh.from_lines(lines,
delete_boundary_face=True,
precision=precision)
rs.EnableRedraw(False)
dots = {}
for fkey in mesh.faces():
cent = mesh.face_centroid(fkey)
dot = rs.AddTextDot('', cent)
rs.TextDotHeight(dot, 6)
dots[str(dot)] = fkey
rs.EnableRedraw(True)
if not dots:
return None
dot_ids = dots.keys()
data = rs.GetObjectsEx(message="Select face for openings",
filter=0,
preselect=False,
select=False,
objects=dot_ids)
rs.DeleteObjects(dot_ids)
if data:
for datum in data:
dot = datum[0]
fkey = dots[str(dot)]
mesh.delete_face(fkey)
geo_edges = []
for u, v, attr in mesh.edges(True):
pt_u, pt_v = mesh.edge_coordinates(u, v)
geo_u, geo_v = geometric_key(pt_u, precision), geometric_key(
pt_v, precision)
for i, geo_l_uv in enumerate(geo_lines):
geo_l_u, geo_l_v = geo_l_uv[0], geo_l_uv[1]
if (geo_l_u == geo_u) and (geo_l_v == geo_v):
attr['dir'] = True
elif (geo_l_u == geo_v) and (geo_l_v == geo_u):
attr['dir'] = False
else:
continue
attr['guid'] = str(crvs[i])
attr['length'] = rs.CurveLength(crvs[i])
# initiate flag for corners
for fkey, attr in mesh.faces(True):
mesh.set_face_attribute(fkey, 'corner', 0)
return mesh, crvs
def set_boundary_cond(mesh, coons_mesh, precision):
# set attribute 'fixed' as default to False
for key, attr in coons_mesh.vertices(True):
attr['fixed'] = False
# get all boundary curves
crvs = get_boundary_crvs(mesh)
# select optional open curves
data = rs.GetObjectsEx(message="Select open edges (optinal)",
filter=0,
preselect=False,
select=False,
objects=crvs)
#create list of open and
if data:
crvs_o = [str(datum[0]) for datum in data]
else:
crvs_o = []
crvs_c = [crv for crv in crvs if crv not in crvs_o]
# identify intersection points between open curves
fixed = {}
crvs_dict = {}
for crv in crvs:
pt_s = rs.CurveEndPoint(crv)
pt_e = rs.CurveStartPoint(crv)
geo_s = geometric_key(pt_s, precision)
geo_e = geometric_key(pt_e, precision)
fixed[geo_s] = pt_s
fixed[geo_e] = pt_e
crvs_dict[crv] = set([geo_s, geo_e])
optional_fixed = {}
for a, b in itertools.combinations(crvs_o, 2):
geo_int = crvs_dict[str(a)] & crvs_dict[str(b)]
if geo_int:
for key in list(geo_int):
optional_fixed[key] = fixed[key]
# select optional supports (alter optional_fixed)
rs.EnableRedraw(False)
dots = {}
for key, pt in optional_fixed.iteritems():
dot = rs.AddTextDot('', pt)
rs.TextDotHeight(dot, 6)
dots[str(dot)] = key
rs.EnableRedraw(True)
if dots:
dot_ids = dots.keys()
data = rs.GetObjectsEx(message="Select additional supports (optional)",
filter=0,
preselect=False,
select=False,
objects=dot_ids)
rs.DeleteObjects(dot_ids)
if data:
point_fixed = {}
for datum in data:
dot = datum[0]
point_fixed[dots[str(dot)]] = optional_fixed[dots[str(dot)]]
optional_fixed = point_fixed
else:
optional_fixed = {}
# fix all vertices that are on the origianl boundary of the coons patches and
# that are in the optinal fixed dict
coon_bound = {}
for key, attr in coons_mesh.vertices(True):
if attr['coon_bound']:
pt = coons_mesh.vertex_coordinates(key)
coon_bound[key] = pt
if geometric_key(pt, precision) in optional_fixed:
attr['fixed'] = True
# fix all vertices that are on the closed curve boundaries
for key, pt in coon_bound.iteritems():
for crv in crvs_c:
if rs.IsPointOnCurve(crv, pt):
coons_mesh.set_vertex_attribute(key, 'fixed', True)
break