File size: 2,264 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #! python
# (c) 2010 Werner Mayer LGPL
"""
An example for a high-level custom feature object to form a full-parametric distance bolt.
"""
__author__ = "Werner Mayer <wmayer@users.sourceforge.net>"
import FreeCAD, Part, math
from FreeCAD import Base
class DistanceBolt:
def __init__(self, obj):
"""Add the properties: Length, Edges, Radius, Height"""
obj.addProperty(
"App::PropertyInteger", "Edges", "Bolt", "Number of edges of the outline", locked=True
).Edges = 6
obj.addProperty(
"App::PropertyLength",
"Length",
"Bolt",
"Length of the edges of the outline",
locked=True,
).Length = 10.0
obj.addProperty(
"App::PropertyLength", "Radius", "Bolt", "Radius of the inner circle", locked=True
).Radius = 4.0
obj.addProperty(
"App::PropertyLength", "Height", "Bolt", "Height of the extrusion", locked=True
).Height = 20.0
obj.Proxy = self
def onChanged(self, fp, prop):
if prop == "Edges" or prop == "Length" or prop == "Radius" or prop == "Height":
self.execute(fp)
def execute(self, fp):
edges = fp.Edges
if edges < 3:
edges = 3
length = fp.Length
radius = fp.Radius
height = fp.Height
m = Base.Matrix()
m.rotateZ(math.radians(360.0 / edges))
# create polygon
polygon = []
v = Base.Vector(length, 0, 0)
for i in range(edges):
polygon.append(v)
v = m.multiply(v)
polygon.append(v)
wire = Part.makePolygon(polygon)
# create circle
circ = Part.makeCircle(radius)
# Create the face with the polygon as outline and the circle as hole
face = Part.Face([wire, Part.Wire(circ)])
# Extrude in z to create the final solid
extrude = face.extrude(Base.Vector(0, 0, height))
fp.Shape = extrude
def makeDistanceBolt():
doc = FreeCAD.activeDocument()
if doc is None:
doc = FreeCAD.newDocument()
bolt = doc.addObject("Part::FeaturePython", "Distance_Bolt")
bolt.Label = "Distance bolt"
DistanceBolt(bolt)
bolt.ViewObject.Proxy = 0
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