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| """ |
| An example for a high-level custom feature object to make a so called "radial copy". |
| """ |
| __author__ = "Werner Mayer <wmayer@users.sourceforge.net>" |
|
|
| import FreeCAD, FreeCADGui, Part, math |
| from PySide import QtGui |
| from FreeCAD import Base |
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|
| def makeCopy(shape, radius, angle): |
| mat = Base.Matrix() |
| mat.rotateZ(math.radians(angle)) |
| step = int(360.0 / angle) |
| shape = shape.copy() |
| shape.translate((radius, 0, 0)) |
| comp = shape.copy() |
| for i in range(step): |
| shape.transformShape(mat) |
| comp = comp.fuse(shape) |
| return comp |
|
|
|
|
| class RadialCopy: |
| def __init__(self, obj): |
| obj.addProperty("App::PropertyLength", "Radius", "", "Radius", locked=True).Radius = 10.0 |
| obj.addProperty("App::PropertyLength", "Angle", "", "Angle", locked=True).Angle = 20.0 |
| obj.addProperty("App::PropertyLink", "Source", "", "Source shape", locked=True).Source = ( |
| None |
| ) |
| obj.Proxy = self |
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| def execute(self, fp): |
| shape = fp.Source.Shape |
| radius = fp.Radius |
| angle = fp.Angle |
| fp.Shape = makeCopy(shape, radius, angle) |
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|
| def makeRadialCopy(): |
| sel = FreeCADGui.Selection.getSelection() |
| try: |
| sel = sel[0] |
| shape = sel.Shape |
| name = sel.Label |
| except (IndexError, AttributeError): |
| QtGui.QMessageBox.critical(None, "Wrong selection", "Please select a shape object") |
| |
| else: |
| doc = sel.Document |
| rc = doc.addObject("Part::FeaturePython", "RadialCopy") |
| rc.Label = name + "(Radial Copy)" |
| RadialCopy(rc) |
| rc.Source = sel |
| rc.ViewObject.Proxy = 0 |
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