File size: 5,718 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | # 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 Polygon object."""
## @package polygon
# \ingroup draftobjects
# \brief Provides the object code for the Polygon object.
## \addtogroup draftobjects
# @{
import math
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCAD as App
import DraftGeomUtils
from draftobjects.base import DraftObject
from draftutils import gui_utils
from draftutils import params
class Polygon(DraftObject):
"""The Polygon object"""
def __init__(self, obj):
super().__init__(obj, "Polygon")
_tip = QT_TRANSLATE_NOOP("App::Property", "Number of faces")
obj.addProperty("App::PropertyInteger", "FacesNumber", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Radius of the control circle")
obj.addProperty("App::PropertyLength", "Radius", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP(
"App::Property", "How the polygon must be drawn from the control circle"
)
obj.addProperty("App::PropertyEnumeration", "DrawMode", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Radius to use to fillet the corners")
obj.addProperty("App::PropertyLength", "FilletRadius", "Draft", _tip, locked=True)
_tip = QT_TRANSLATE_NOOP("App::Property", "Size of the chamfer to give to the corners")
obj.addProperty("App::PropertyLength", "ChamferSize", "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", "The area of this object")
obj.addProperty("App::PropertyArea", "Area", "Draft", _tip, locked=True)
obj.MakeFace = params.get_param("MakeFaceMode")
obj.DrawMode = ["inscribed", "circumscribed"]
obj.FacesNumber = 0
obj.Radius = 1
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
if (obj.FacesNumber >= 3) and (obj.Radius.Value > 0):
import Part
plm = obj.Placement
angle = (math.pi * 2) / obj.FacesNumber
if obj.DrawMode == "inscribed":
delta = obj.Radius.Value
else:
delta = obj.Radius.Value / math.cos(angle / 2.0)
pts = [App.Vector(delta, 0, 0)]
for i in range(obj.FacesNumber - 1):
ang = (i + 1) * angle
pts.append(App.Vector(delta * math.cos(ang), delta * math.sin(ang), 0))
pts.append(pts[0])
shape = Part.makePolygon(pts)
if "ChamferSize" in obj.PropertiesList:
if obj.ChamferSize.Value != 0:
w = DraftGeomUtils.filletWire(shape, obj.ChamferSize.Value, chamfer=True)
if w:
shape = w
if "FilletRadius" in obj.PropertiesList:
if obj.FilletRadius.Value != 0:
w = DraftGeomUtils.filletWire(shape, obj.FilletRadius.Value)
if w:
shape = w
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
_Polygon = Polygon
## @}
|