def make_face(edge1, edge2):
v1, v2 = edge1.Vertexes
v3, v4 = edge2.Vertexes
e1 = Wire(edge1)
e2 = Line(v1.Point, v3.Point).toShape().Edges[0]
e3 = edge2
e4 = Line(v4.Point, v2.Point).toShape().Edges[0]
w = Wire([e3, e4, e1, e2])
return(Face(w))
def getPrincipalAx(self, ax='Z'):
self.deleteArrow()
from Part import Edge, Line
O = FreeCAD.Vector()
l = Line(O, FreeCAD.Vector(0, 0, 1000))
if ax == 'X':
l = Line(O, FreeCAD.Vector(1000, 0, 0))
elif ax == 'Y':
l = Line(O, FreeCAD.Vector(0, 1000, 0))
self.Axis = Edge(l)
self.form.lab1.setText("Principal: " + ax)
def selectAction(self):
edged = [
objex for objex in FreeCADGui.Selection.getSelectionEx()
if frameCmd.edges([objex])
]
if edged:
self.Axis = frameCmd.edges([edged[0]])[0]
self.deleteArrow()
from polarUtilsCmd import arrow
where = FreeCAD.Placement()
where.Base = self.Axis.valueAt(self.Axis.LastParameter)
where.Rotation = FreeCAD.Rotation(
FreeCAD.Vector(0, 0, 1),
self.Axis.tangentAt(self.Axis.LastParameter))
size = [
self.Axis.Length / 20.0, self.Axis.Length / 10.0,
self.Axis.Length / 20.0
]
self.arrow = arrow(pl=where,
scale=size,
offset=self.Axis.Length / 10.0)
if self.Axis.curvatureAt(0):
O = self.Axis.centerOfCurvatureAt(0)
n = self.Axis.tangentAt(0).cross(self.Axis.normalAt(0))
from Part import Edge, Line
self.Axis = (Edge(
Line(FreeCAD.Vector(O), FreeCAD.Vector(O + n))))
self.form.lab1.setText(edged[0].Object.Label + ": edge")
def helicalextrusion(wire, height, angle):
face_a = Face(wire)
face_b = face_a.copy()
face_transform = App.Matrix()
face_transform.rotateZ(angle)
face_transform.move(App.Vector(0, 0, height))
face_b.transformShape(face_transform)
spine = Wire(Line(fcvec([0., 0, 0]), fcvec([0, 0, height])).toShape())
auxspine = makeHelix(height * 2 * pi / abs(angle), height, 10., 0,
bool(angle < 0))
faces = [face_a, face_b]
pipeshell = BRepOffsetAPI.MakePipeShell(spine)
pipeshell.setSpineSupport(spine)
pipeshell.add(wire)
pipeshell.setAuxiliarySpine(auxspine, True, False)
assert (pipeshell.isReady())
pipeshell.build()
faces.extend(pipeshell.shape().Faces)
fullshell = Shell(faces)
solid = Solid(fullshell)
if solid.Volume < 0:
solid.reverse()
assert (solid.Volume >= 0)
return (solid)
def selectAction(self):
edged = [
objex for objex in FreeCADGui.Selection.getSelectionEx()
if fCmd.edges([objex])
]
if edged:
self.Axis = fCmd.edges([edged[0]])[0]
self.deleteArrow()
from uCmd import arrow
where = FreeCAD.Placement()
where.Base = self.Axis.valueAt(self.Axis.LastParameter)
where.Rotation = FreeCAD.Rotation(
FreeCAD.Vector(0, 0, 1),
self.Axis.tangentAt(self.Axis.LastParameter))
obj = edged[
0].Object #TARGET [solved]: make "where" deal with App::Parts
if fCmd.isPartOfPart(obj):
part = fCmd.isPartOfPart(obj)
where = part.Placement.multiply(where)
size = [
self.Axis.Length / 20.0, self.Axis.Length / 10.0,
self.Axis.Length / 20.0
]
self.arrow = arrow(pl=where,
scale=size,
offset=self.Axis.Length / 10.0)
if self.Axis.curvatureAt(0):
O = self.Axis.centerOfCurvatureAt(0)
n = self.Axis.tangentAt(0).cross(self.Axis.normalAt(0))
from Part import Edge, Line
self.Axis = (Edge(
Line(FreeCAD.Vector(O), FreeCAD.Vector(O + n))))
self.form.lab1.setText(edged[0].Object.Label + ": edge")
def create_teeth(self, pts, pos, teeth):
w1 = []
pts = [pt * pos for pt in pts]
rotated_pts = scaled_points
rot = rotation3D(-2 * i * pi / teeth)
for i in range(teeth - 1):
rotated_pts = map(rot, rotated_pts)
pts.append(numpy.array([pts[-1][-1], rotated_pts[0][0]]))
pts += rotated_pts
s = Wire(Shape(w1).Edges)
wi = []
for i in range(teeth):
rot = App.Matrix()
rot.rotateZ(2 * i * pi / teeth)
tooth_rot = s.transformGeometry(rot)
if i != 0:
pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
wi.append(Wire([Line(pt_0, pt_1).toShape()]))
wi.append(tooth_rot)
pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
pt_1 = wi[0].Edges[0].Vertexes[-1].Point
wi.append(Wire([Line(pt_0, pt_1).toShape()]))
return (Wire(wi))
def helicalextrusion(wire, height, angle):
spine = Wire(Line(fcvec([0., 0, 0]), fcvec([0, 0, height])).toShape())
auxspine = makeHelix(height * 2 * pi / abs(angle), height, 10., 0,
bool(angle < 0))
solid = auxspine.makePipeShell([wire], True, True)
return solid
