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|
| """ |
| An example for a high-level custom feature object to form a full-parametric parallelepiped. |
| """ |
|
|
| __author__ = "Werner Mayer <wmayer@users.sourceforge.net>" |
|
|
| import FreeCAD, Part, math |
| from FreeCAD import Base |
|
|
|
|
| class Parallelepiped: |
| def __init__(self, obj): |
| """Add the properties: Length, Edges, Radius, Height""" |
| obj.addProperty("App::PropertyVector", "A", "Parallelepiped", "Vector", locked=True).A = ( |
| Base.Vector(1, 0, 0) |
| ) |
| obj.addProperty("App::PropertyVector", "B", "Parallelepiped", "Vector", locked=True).B = ( |
| Base.Vector(0, 1, 0) |
| ) |
| obj.addProperty("App::PropertyVector", "C", "Parallelepiped", "Vector", locked=True).C = ( |
| Base.Vector(0, 0, 1) |
| ) |
| obj.Proxy = self |
|
|
| def onChanged(self, fp, prop): |
| if prop == "A" or prop == "B" or prop == "C": |
| self.execute(fp) |
|
|
| def execute(self, fp): |
| a = fp.A |
| b = fp.B |
| c = fp.C |
|
|
| m = Base.Matrix() |
| m.A11 = a.x |
| m.A12 = a.y |
| m.A13 = a.z |
| m.A21 = b.x |
| m.A22 = b.y |
| m.A23 = b.z |
| m.A31 = c.x |
| m.A32 = c.y |
| m.A33 = c.z |
| box = Part.makeBox(1, 1, 1) |
| fp.Shape = box.transformGeometry(m) |
|
|
|
|
| class BoxCylinder: |
| def __init__(self, obj): |
| obj.addProperty( |
| "App::PropertyFloat", "Length", "BoxCylinder", "Length", locked=True |
| ).Length = 10.0 |
| obj.addProperty( |
| "App::PropertyFloat", "Width", "BoxCylinder", "Width", locked=True |
| ).Width = 10.0 |
| obj.addProperty( |
| "App::PropertyLink", "Source", "BoxCylinder", "Source", locked=True |
| ).Source = None |
| obj.Proxy = self |
|
|
| def onChanged(self, fp, prop): |
| if prop == "Length" or prop == "Width": |
| self.execute(fp) |
|
|
| def execute(self, fp): |
| FreeCAD.Console.PrintMessage(str(fp.Source) + "\n") |
| if fp.Source is None: |
| return |
| r = fp.Source.Radius |
| l = fp.Length |
| w = fp.Width |
| h = 2 * r + 10 |
| fp.Shape = Part.makeBox(l, w, h) |
|
|
|
|
| def makeParallelepiped(): |
| doc = FreeCAD.activeDocument() |
| if doc is None: |
| doc = FreeCAD.newDocument() |
| obj = doc.addObject("Part::FeaturePython", "Parallelepiped") |
| obj.Label = "Parallelepiped" |
| Parallelepiped(obj) |
| obj.ViewObject.Proxy = 0 |
|
|
|
|
| def makeBoxCylinder(): |
| doc = FreeCAD.activeDocument() |
| if doc is None: |
| doc = FreeCAD.newDocument() |
| cyl = doc.addObject("Part::Cylinder", "Cylinder") |
| cyl.Radius = 16.0 |
| cyl.Height = 800.0 |
| obj = doc.addObject("Part::FeaturePython", "Box") |
| BoxCylinder(obj) |
| obj.Source = cyl |
| obj.Length = 800.0 |
| obj.Width = 600.0 |
| obj.ViewObject.Proxy = 0 |
| doc.recompute() |
|
|
