freecad-cam/Mod/CAM/CAMTests/TestPathVoronoi.py
2026-02-01 01:59:24 +01:00

191 lines
7.2 KiB
Python

# -*- coding: utf-8 -*-
# ***************************************************************************
# * Copyright (c) 2020 sliptonic <shopinthewoods@gmail.com> *
# * *
# * 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
import Part
import Path
import CAMTests.PathTestUtils as PathTestUtils
vd = None
def initVD():
global vd
if vd is None:
pts = [
(0, 0),
(3.5, 0),
(3.5, 1),
(1, 1),
(1, 2),
(2.5, 2),
(2.5, 3),
(1, 3),
(1, 4),
(3.5, 4),
(3.5, 5),
(0, 5),
]
ptv = [FreeCAD.Vector(p[0], p[1]) for p in pts]
ptv.append(ptv[0])
vd = Path.Voronoi.Diagram()
for i in range(len(pts)):
vd.addSegment(ptv[i], ptv[i + 1])
vd.construct()
for e in vd.Edges:
e.Color = 0 if e.isPrimary() else 1
vd.colorExterior(2)
vd.colorColinear(3)
vd.colorTwins(4)
class TestPathVoronoi(PathTestUtils.PathTestBase):
def setUp(self):
initVD()
def test00(self):
"""Check vertex comparison"""
self.assertTrue(vd.Vertices[0] == vd.Vertices[0])
self.assertTrue(vd.Vertices[1] == vd.Vertices[1])
self.assertTrue(vd.Vertices[0] != vd.Vertices[1])
self.assertEqual(vd.Vertices[0], vd.Vertices[0])
self.assertEqual(vd.Vertices[1], vd.Vertices[1])
self.assertNotEqual(vd.Vertices[0], vd.Vertices[1])
self.assertNotEqual(vd.Vertices[1], vd.Vertices[0])
def test10(self):
"""Check edge comparison"""
self.assertTrue(vd.Edges[0] == vd.Edges[0])
self.assertTrue(vd.Edges[1] == vd.Edges[1])
self.assertTrue(vd.Edges[0] != vd.Edges[1])
self.assertEqual(vd.Edges[0], vd.Edges[0])
self.assertEqual(vd.Edges[1], vd.Edges[1])
self.assertNotEqual(vd.Edges[0], vd.Edges[1])
self.assertNotEqual(vd.Edges[1], vd.Edges[0])
def test20(self):
"""Check cell comparison"""
self.assertTrue(vd.Cells[0] == vd.Cells[0])
self.assertTrue(vd.Cells[1] == vd.Cells[1])
self.assertTrue(vd.Cells[0] != vd.Cells[1])
self.assertEqual(vd.Cells[0], vd.Cells[0])
self.assertEqual(vd.Cells[1], vd.Cells[1])
self.assertNotEqual(vd.Cells[0], vd.Cells[1])
self.assertNotEqual(vd.Cells[1], vd.Cells[0])
def test50(self):
"""Check toShape for linear edges"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isLinear()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape()
self.assertTrue(type(e.Curve) == Part.LineSegment or type(e.Curve) == Part.Line)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 0)
self.assertRoughly(e.valueAt(e.LastParameter).z, 0)
def test51(self):
"""Check toShape for linear edges with set z"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isLinear()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape(13.7)
self.assertTrue(type(e.Curve) == Part.LineSegment or type(e.Curve) == Part.Line)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 13.7)
self.assertRoughly(e.valueAt(e.LastParameter).z, 13.7)
def test52(self):
"""Check toShape for linear edges with varying z"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isLinear()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape(2.37, 5.14)
self.assertTrue(type(e.Curve) == Part.LineSegment or type(e.Curve) == Part.Line)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 2.37)
self.assertRoughly(e.valueAt(e.LastParameter).z, 5.14)
def test60(self):
"""Check toShape for curved edges"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isCurved()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape()
self.assertTrue(type(e.Curve) == Part.Parabola or type(e.Curve) == Part.BSplineCurve)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 0)
self.assertRoughly(e.valueAt(e.LastParameter).z, 0)
def test61(self):
"""Check toShape for curved edges with set z"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isCurved()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape(13.7)
self.assertTrue(type(e.Curve) == Part.Parabola or type(e.Curve) == Part.BSplineCurve)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 13.7)
self.assertRoughly(e.valueAt(e.LastParameter).z, 13.7)
def test62(self):
"""Check toShape for curved edges with varying z"""
edges = [e for e in vd.Edges if e.Color == 0 and e.isCurved()]
self.assertNotEqual(len(edges), 0)
e0 = edges[0]
e = e0.toShape(2.37, 5.14)
self.assertTrue(type(e.Curve) == Part.Parabola or type(e.Curve) == Part.BSplineCurve)
self.assertFalse(
Path.Geom.pointsCoincide(e.valueAt(e.FirstParameter), e.valueAt(e.LastParameter))
)
self.assertRoughly(e.valueAt(e.FirstParameter).z, 2.37)
self.assertRoughly(e.valueAt(e.LastParameter).z, 5.14)