108 lines
4.8 KiB
Python
108 lines
4.8 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
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# * Copyright (c) 2009, 2010 Ken Cline <cline@frii.com> *
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# * Copyright (c) 2020 FreeCAD Developers *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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"""Provides the object code for the Ellipse object."""
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## @package ellipse
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# \ingroup draftobjects
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# \brief Provides the object code for the Ellipse object.
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## \addtogroup draftobjects
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# @{
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCAD as App
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from draftobjects.base import DraftObject
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from draftutils import params
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class Ellipse(DraftObject):
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"""The Circle object"""
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def __init__(self, obj):
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super(Ellipse, self).__init__(obj, "Ellipse")
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_tip = QT_TRANSLATE_NOOP("App::Property","Start angle of the elliptical arc")
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obj.addProperty("App::PropertyAngle", "FirstAngle", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property","End angle of the elliptical arc \n\
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(for a full circle, give it same value as First Angle)")
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obj.addProperty("App::PropertyAngle", "LastAngle", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property","Minor radius of the ellipse")
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obj.addProperty("App::PropertyLength", "MinorRadius", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property","Major radius of the ellipse")
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obj.addProperty("App::PropertyLength", "MajorRadius", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property","Create a face")
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obj.addProperty("App::PropertyBool", "MakeFace", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property","Area of this object")
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obj.addProperty("App::PropertyArea", "Area","Draft", _tip)
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obj.MakeFace = params.get_param("fillmode")
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def execute(self, obj):
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if self.props_changed_placement_only():
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obj.positionBySupport()
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self.props_changed_clear()
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return
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import Part
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plm = obj.Placement
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if obj.MajorRadius.Value < obj.MinorRadius.Value:
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_err = "Error: Major radius is smaller than the minor radius"
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App.Console.PrintMessage(QT_TRANSLATE_NOOP("Draft", _err))
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return
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if obj.MajorRadius.Value and obj.MinorRadius.Value:
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ell = Part.Ellipse(App.Vector(0, 0, 0),
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obj.MajorRadius.Value,
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obj.MinorRadius.Value)
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shape = ell.toShape()
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if hasattr(obj,"FirstAngle"):
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if obj.FirstAngle.Value != obj.LastAngle.Value:
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a1 = obj.FirstAngle.getValueAs(App.Units.Radian)
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a2 = obj.LastAngle.getValueAs(App.Units.Radian)
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shape = Part.ArcOfEllipse(ell, a1, a2).toShape()
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shape = Part.Wire(shape)
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if shape.isClosed():
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if hasattr(obj,"MakeFace"):
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if obj.MakeFace:
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shape = Part.Face(shape)
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else:
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shape = Part.Face(shape)
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obj.Shape = shape
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if hasattr(obj, "Area") and hasattr(shape, "Area"):
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obj.Area = shape.Area
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obj.Placement = plm
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obj.positionBySupport()
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self.props_changed_clear()
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def onChanged(self, obj, prop):
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self.props_changed_store(prop)
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# Alias for compatibility with v0.18 and earlier
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_Ellipse = Ellipse
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## @}
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