File size: 5,198 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 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
# * Copyright (c) 2009, 2010 Ken Cline <cline@frii.com> *
# * Copyright (c) 2020 FreeCAD Developers *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
"""Provides the object code for the Ellipse object."""
## @package ellipse
# \ingroup draftobjects
# \brief Provides the object code for the Ellipse object.
## \addtogroup draftobjects
# @{
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCAD as App
from draftobjects.base import DraftObject
from draftutils import gui_utils
from draftutils import params
class Ellipse(DraftObject):
"""The Circle object"""
def __init__(self, obj):
super().__init__(obj, "Ellipse")
_tip = QT_TRANSLATE_NOOP("App::Property", "Start angle of the elliptical arc")
obj.addProperty("App::PropertyAngle", "FirstAngle", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP(
"App::Property",
"End angle of the elliptical arc \n\
(for a full circle, give it same value as First Angle)",
)
obj.addProperty("App::PropertyAngle", "LastAngle", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Minor radius of the ellipse")
obj.addProperty("App::PropertyLength", "MinorRadius", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Major radius of the ellipse")
obj.addProperty("App::PropertyLength", "MajorRadius", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Create a face")
obj.addProperty("App::PropertyBool", "MakeFace", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Area of this object")
obj.addProperty("App::PropertyArea", "Area", "Draft", _tip, locked=True)
obj.MakeFace = params.get_param("MakeFaceMode")
def onDocumentRestored(self, obj):
super().onDocumentRestored(obj)
gui_utils.restore_view_object(obj, vp_module="view_base", vp_class="ViewProviderDraft")
def execute(self, obj):
if self.props_changed_placement_only():
obj.positionBySupport()
self.props_changed_clear()
return
import Part
plm = obj.Placement
if obj.MajorRadius.Value < obj.MinorRadius.Value:
_err = "Error: Major radius is smaller than the minor radius"
App.Console.PrintMessage(QT_TRANSLATE_NOOP("Draft", _err))
return
if obj.MajorRadius.Value and obj.MinorRadius.Value:
ell = Part.Ellipse(App.Vector(0, 0, 0), obj.MajorRadius.Value, obj.MinorRadius.Value)
shape = ell.toShape()
if hasattr(obj, "FirstAngle"):
if obj.FirstAngle.Value != obj.LastAngle.Value:
a1 = obj.FirstAngle.getValueAs(App.Units.Radian)
a2 = obj.LastAngle.getValueAs(App.Units.Radian)
shape = Part.ArcOfEllipse(ell, a1, a2).toShape()
shape = Part.Wire(shape)
if shape.isClosed():
if hasattr(obj, "MakeFace"):
if obj.MakeFace:
shape = Part.Face(shape)
else:
shape = Part.Face(shape)
obj.Shape = shape
if hasattr(obj, "Area") and hasattr(shape, "Area"):
obj.Area = shape.Area
obj.Placement = plm
obj.positionBySupport()
self.props_changed_clear()
def onChanged(self, obj, prop):
self.props_changed_store(prop)
# Alias for compatibility with v0.18 and earlier
_Ellipse = Ellipse
## @}
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