File size: 3,459 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 | # 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 functions to split wires into separate wire objects."""
## @package split
# \ingroup draftfunctions
# \brief Provides functions to split wires into separate wire objects.
## \addtogroup draftfunctions
# @{
from draftmake import make_copy
from draftutils import utils
def split(wire, newPoint, edgeIndex):
if utils.get_type(wire) != "Wire":
return None
if wire.Closed:
return split_closed_wire(wire, edgeIndex)
return split_open_wire(wire, newPoint, edgeIndex)
def split_closed_wire(wire, edgeIndex):
wire.Closed = False
new = make_copy.make_copy(wire)
if edgeIndex == len(wire.Points):
new.Points = [wire.Points[0], wire.Points[-1]]
else:
new.Points = [wire.Points[edgeIndex - 1], wire.Points[edgeIndex]]
wire.Points = list(reversed(wire.Points[0:edgeIndex])) + list(
reversed(wire.Points[edgeIndex:])
)
return new
splitClosedWire = split_closed_wire
def split_open_wire(wire, newPoint, edgeIndex):
new = make_copy.make_copy(wire)
wire1Points = []
wire2Points = []
for index, point in enumerate(wire.Points):
if index == edgeIndex:
edge = wire.getSubObject("Edge" + str(edgeIndex))
newPoint = wire.Placement.inverse().multVec(edge.Curve.projectPoint(newPoint))
wire1Points.append(newPoint)
wire2Points.append(newPoint)
wire2Points.append(point)
elif index < edgeIndex:
wire1Points.append(point)
elif index > edgeIndex:
wire2Points.append(point)
wire.Points = wire1Points
new.Points = wire2Points
return new
splitOpenWire = split_open_wire
## @}
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