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commit 6e78052d325eadcb212a6d50c6cd09cc29ac7870
Author: Johan K <johankristensen@gmail.com>
Date:   Tue Jul 29 14:52:08 2014 +0200

    Adding missing file RegularPolygon.py

commit 416396283032a31a1ea307df23d33ecfccf37935
Author: Johan K <johankristensen@gmail.com>
Date:   Mon Jul 28 22:51:28 2014 +0200

    Replaced sketcher implementation of RegularPolygons with a Python script version.
This commit is contained in:
wmayer
2014-07-29 17:26:28 +02:00
parent c10ddae02f
commit 65c974ed2d
4 changed files with 95 additions and 36 deletions
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87
src/Mod/Sketcher/ProfileLib/RegularPolygon.py Normal file
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#***************************************************************************
#* *
#* Copyright (c) 2014 - Johan Kristensen, *
#* Juergen Riegel <FreeCAD@juergen-riegel.net> *
#* *
#* 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 *
#* *
#***************************************************************************
import FreeCAD, FreeCADGui, Sketcher, Part, math
__title__="Regular polygon profile lib"
__author__ = "Johan Kristensen"
__url__ = "http://www.freecadweb.org"
App = FreeCAD
Gui = FreeCADGui
def makeRegularPolygon(
sketchName,
sides,
centerPoint=App.Vector(0,0,0),
firstCornerPoint=App.Vector(-20.00,34.64,0)):
if not sketchName:
App.Console.PrintError("No sketch specified in 'makeRegularPolygon'")
return
if sides < 3:
App.Console.PrintError("Number of sides must be at least 3 in 'makeRegularPolygon'")
return
sketch = App.ActiveDocument.getObject(sketchName)
diffVec = firstCornerPoint - centerPoint
diffVec.z = 0
angular_diff = 2*math.pi/sides
pointList = []
for i in range(0,sides):
cos_v = math.cos( angular_diff * i )
sin_v = math.sin( angular_diff * i )
pointList.append( centerPoint+
App.Vector(
cos_v * diffVec.x - sin_v * diffVec.y,
cos_v * diffVec.y + sin_v * diffVec.x,
0 ))
geoList = []
for i in range(0,sides-1):
geoList.append(Part.Line(pointList[i],pointList[i+1]))
geoList.append(Part.Line(pointList[sides-1],pointList[0]))
geoList.append(Part.Circle(centerPoint,App.Vector(0,0,1),diffVec.Length))
geoIndices = sketch.addGeometry(geoList)
sketch.setConstruction(geoIndices[-1],True)
conList = []
for i in range(0,sides-1):
conList.append(Sketcher.Constraint(
'Coincident',
geoIndices[i],2,
geoIndices[i+1],1))
conList.append(Sketcher.Constraint(
'Coincident',
geoIndices[sides-1],2,
geoIndices[0],1))
for i in range(0,sides-1):
conList.append(Sketcher.Constraint('Equal',geoIndices[0],geoIndices[i+1]))
for i in range(0,sides):
conList.append(Sketcher.Constraint('PointOnObject',geoIndices[i],2,geoIndices[-1]))
sketch.addConstraint(conList)
return