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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * Copyright (c) 2021 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 *
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# ***************************************************************************
import FreeCAD
import Part
import Path
import Path.Base.Generator.helix as generator
import CAMTests.PathTestUtils as PathTestUtils
Path.Log.setLevel(Path.Log.Level.INFO, Path.Log.thisModule())
Path.Log.trackModule(Path.Log.thisModule())
def _resetArgs():
v1 = FreeCAD.Vector(5, 5, 20)
v2 = FreeCAD.Vector(5, 5, 18)
edg = Part.makeLine(v1, v2)
return {
"edge": edg,
"hole_radius": 10.0,
"step_down": 1.0,
"step_over": 0.5,
"tool_diameter": 5.0,
"inner_radius": 0.0,
"direction": "CW",
"startAt": "Inside",
}
class TestPathHelixGenerator(PathTestUtils.PathTestBase):
expectedHelixGCode = "G0 X7.500000 Y5.000000\
G1 Z20.000000\
G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z19.500000\
G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z19.000000\
G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z18.500000\
G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z18.000000\
G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z18.000000\
G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z18.000000\
G0 X5.000000 Y5.000000 Z18.000000\
G0 Z20.000000G0 X10.000000 Y5.000000\
G1 Z20.000000\
G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z19.500000\
G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z19.000000\
G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z18.500000\
G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z18.000000\
G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z18.000000\
G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z18.000000\
G0 X5.000000 Y5.000000 Z18.000000\
G0 Z20.000000G0 X12.500000 Y5.000000\
G1 Z20.000000\
G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z19.500000\
G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z19.000000\
G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z18.500000\
G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z18.000000\
G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z18.000000\
G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z18.000000\
G0 X5.000000 Y5.000000 Z18.000000G0 Z20.000000"
def test00(self):
"""Test Basic Helix Generator Return"""
args = _resetArgs()
result = generator.generate(**args)
self.assertTrue(type(result) is list)
self.assertTrue(type(result[0]) is Path.Command)
gcode = "".join([r.toGCode() for r in result])
print(gcode)
self.assertTrue(gcode == self.expectedHelixGCode, "Incorrect helix g-code generated")
def test01(self):
"""Test Value and Type checking"""
args = _resetArgs()
args["hole_radius"] = "10"
self.assertRaises(TypeError, generator.generate, **args)
args["hole_radius"] = -10.0
self.assertRaises(ValueError, generator.generate, **args)
args = _resetArgs()
args["inner_radius"] = "2"
self.assertRaises(TypeError, generator.generate, **args)
args = _resetArgs()
args["tool_diameter"] = "5"
self.assertRaises(TypeError, generator.generate, **args)
# require tool fit 2: hole diameter not greater than tool diam
# with zero inner radius
args = _resetArgs()
args["hole_radius"] = 2.0
args["inner_radius"] = 0.0
args["tool_diameter"] = 5.0
self.assertRaises(ValueError, generator.generate, **args)
# require tool fit: actual hole diameter after taking Extra Offset into account >= tool diameter
# 1. Extra Offset just small enough to leave room for tool should not raise an error
args = _resetArgs()
designed_hole_diameter = 10.0
extra_offset = 2.49
args["hole_radius"] = designed_hole_diameter / 2 - extra_offset
args["inner_radius"] = extra_offset
args["tool_diameter"] = 5.0
result = generator.generate(**args)
self.assertTrue(result)
# 2. Extra Offset does not leave room for tool, should raise an error
args = _resetArgs()
designed_hole_diameter = 10.0
extra_offset = 2.50
args["hole_radius"] = designed_hole_diameter / 2 - extra_offset
args["inner_radius"] = extra_offset
args["tool_diameter"] = 5.0
self.assertRaises(ValueError, generator.generate, **args)
# step_over is a percent value between 0 and 1
args = _resetArgs()
args["step_over"] = 50
self.assertRaises(ValueError, generator.generate, **args)
args["step_over"] = "50"
self.assertRaises(TypeError, generator.generate, **args)
# Other argument testing
args = _resetArgs()
args["startAt"] = "Other"
self.assertRaises(ValueError, generator.generate, **args)
args = _resetArgs()
args["direction"] = "clock"
self.assertRaises(ValueError, generator.generate, **args)
def test07(self):
"""Test Basic Helix Generator verify linear edge is vertical"""
# verify linear edge is vertical: X
args = _resetArgs()
v1 = FreeCAD.Vector(5, 5, 20)
v2 = FreeCAD.Vector(5.0001, 5, 10)
edg = Part.makeLine(v1, v2)
args["edge"] = edg
self.assertRaises(ValueError, generator.generate, **args)
# verify linear edge is vertical: Y
args = _resetArgs()
v1 = FreeCAD.Vector(5, 5.0001, 20)
v2 = FreeCAD.Vector(5, 5, 10)
edg = Part.makeLine(v1, v2)
args["edge"] = edg
self.assertRaises(ValueError, generator.generate, **args)
def test08(self):
"""Test Helix Generator with horizontal edge"""
args = _resetArgs()
v1 = FreeCAD.Vector(10, 5, 5)
v2 = FreeCAD.Vector(20, 5, 5)
edg = Part.makeLine(v1, v2)
args["edge"] = edg
self.assertRaises(ValueError, generator.generate, **args)
def test09(self):
"""Test Helix Generator with inverted vertical edge"""
args = _resetArgs()
v1 = FreeCAD.Vector(5, 5, 18)
v2 = FreeCAD.Vector(5, 5, 20)
edg = Part.makeLine(v1, v2)
args["edge"] = edg
self.assertRaises(ValueError, generator.generate, **args)
def test10(self):
"""Test Helix Retraction"""
# if center is clear, the second to last move should be a rapid away
# from the wall
args = _resetArgs()
v1 = FreeCAD.Vector(0, 0, 20)
v2 = FreeCAD.Vector(0, 0, 18)
edg = Part.makeLine(v1, v2)
args["edge"] = edg
args["inner_radius"] = 0.0
args["tool_diameter"] = 5.0
result = generator.generate(**args)
self.assertTrue(result[-2].Name == "G0")
# if center is not clear, retraction is one straight up on the last
# move. the second to last move should be a G2
args["inner_radius"] = 2.0
result = generator.generate(**args)
self.assertTrue(result[-2].Name == "G2")
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