def getBasewireOfStirrupWithExtendedEdges(
stirrup, view_plane: WorkingPlane.Plane,
extension_offset: float) -> Part.Wire:
"""Returns stirrup base wire after adding extension_offset to stirrup
extended edges, so that end edges of stirrup with 90 degree bent angle do
not overlap with stirrup edges.
Parameters
----------
stirrup: <ArchRebar._Rebar>
The stirrup with 90 degree bent angle.
view_plane: WorkingPlane.Plane
The view plane from which stirrup shape is visible.
extension_offset: float
The distance to move extended end edges of stirrup apart.
Returns
-------
Part.Wire
The generated stirrup base wire.
"""
basewire = stirrup.Base.Shape.Wires[0].copy()
# This function is meant for stirrup with bent angle 90 degree
if stirrup.BentAngle != 90:
return basewire
min_x, min_y, max_x, max_y = getVertexesMinMaxXY(basewire.Vertexes,
view_plane)
def getModifiedEndEdgePoints(end_edge, coincident_edge):
p1 = getProjectionToSVGPlane(end_edge.firstVertex().Point, view_plane)
p2 = getProjectionToSVGPlane(end_edge.lastVertex().Point, view_plane)
p3 = getProjectionToSVGPlane(coincident_edge.firstVertex().Point,
view_plane)
p4 = getProjectionToSVGPlane(coincident_edge.lastVertex().Point,
view_plane)
# The extended edge is vertical and is left side of stirrup And
# coincident edge is horizontal
if (round(p1.x) == round(p2.x) == round(min_x)) and (round(p3.y)
== round(p4.y)):
mod_p1 = end_edge.firstVertex().Point.add(
extension_offset * view_plane.u.negative().normalize())
mod_p2 = end_edge.lastVertex().Point.add(
extension_offset * view_plane.u.negative().normalize())
# The extended edge is vertical and is right side of stirrup And
# coincident edge is horizontal
elif (round(p1.x) == round(p2.x) == round(max_x)) and (round(p3.y)
== round(p4.y)):
mod_p1 = end_edge.firstVertex().Point.add(extension_offset *
view_plane.u.normalize())
mod_p2 = end_edge.lastVertex().Point.add(extension_offset *
view_plane.u.normalize())
# The extended edge is horizontal and is top side of stirrup And
# coincident edge is vertical
elif (round(p1.y) == round(p2.y) == round(min_y)) and (round(p3.x)
== round(p4.x)):
mod_p1 = end_edge.firstVertex().Point.add(
extension_offset * view_plane.v.negative().normalize())
mod_p2 = end_edge.lastVertex().Point.add(
extension_offset * view_plane.v.negative().normalize())
# The extended edge is horizontal and is bottom side of stirrup And
# coincident edge is vertical
elif (round(p1.y) == round(p2.y) == round(max_y)) and (round(p3.x)
== round(p4.x)):
mod_p1 = end_edge.firstVertex().Point.add(extension_offset *
view_plane.v.normalize())
mod_p2 = end_edge.lastVertex().Point.add(extension_offset *
view_plane.v.normalize())
else:
# Don't modify any point
mod_p1 = end_edge.firstVertex().Point
mod_p2 = end_edge.lastVertex().Point
return mod_p1, mod_p2
edges = Part.__sortEdges__(basewire.Edges)
# Modify one end edge
point_1, point_2 = getModifiedEndEdgePoints(edges[0], edges[1])
edges[0] = DraftGeomUtils.edg(point_1, point_2)
edges[1] = DraftGeomUtils.edg(point_2, edges[1].lastVertex().Point)
# Modify second end edge
extension_offset = -1 * extension_offset
point_1, point_2 = getModifiedEndEdgePoints(edges[-1], edges[-2])
edges[-1] = DraftGeomUtils.edg(point_1, point_2)
edges[-2] = DraftGeomUtils.edg(edges[-2].firstVertex().Point, point_1)
return DraftGeomUtils.connect(edges)
