# -*- coding: utf-8 -*- # *************************************************************************** # * Copyright (c) 2020 sliptonic * # * * # * 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.Main.Job as PathJob import Path.Op.Vcarve as PathVcarve import Path.Tool.Bit as PathToolBit import math from CAMTests.PathTestUtils import PathTestBase class VbitTool(object): """Faked out vcarve tool""" def __init__(self, dia, angle, tipDia): self.Diameter = FreeCAD.Units.Quantity(dia, FreeCAD.Units.Length) self.CuttingEdgeAngle = FreeCAD.Units.Quantity(angle, FreeCAD.Units.Angle) self.TipDiameter = FreeCAD.Units.Quantity(tipDia, FreeCAD.Units.Length) Scale45 = 2.414214 Scale60 = math.sqrt(3) class TestPathVcarve(PathTestBase): """Test Vcarve milling basics.""" def tearDown(self): if hasattr(self, "doc"): FreeCAD.closeDocument(self.doc.Name) def testFinishingPass(self): self.doc = FreeCAD.newDocument() part = FreeCAD.ActiveDocument.addObject("Part::Feature", "TestShape") rect = Part.makePolygon([(0, 0, 0), (5, 0, 0), (5, 10, 0), (0, 10, 0), (0, 0, 0)]) part.Shape = Part.makeFace(rect, "Part::FaceMakerSimple") job = PathJob.Create("Job", [part]) tool_file = PathToolBit.findToolBit("60degree_Vbit.fctb") job.Tools.Group[0].Tool = PathToolBit.Factory.CreateFrom(tool_file) op = PathVcarve.Create("TestVCarve") op.Base = job.Model.Group[0] op.FinishingPass = False op.Proxy.execute(op) min_z_no_finish = op.Path.BoundBox.ZMin finishing_offset = -0.1 op.FinishingPass = True op.FinishingPassZOffset = finishing_offset op.Proxy.execute(op) min_z_with_finish = op.Path.BoundBox.ZMin self.assertRoughly(min_z_with_finish - min_z_no_finish, finishing_offset) def test00(self): """Verify 90 deg depth calculation""" tool = VbitTool(10, 90, 0) geom = PathVcarve._Geometry.FromTool(tool, 0, -10) self.assertRoughly(geom.start, 0) self.assertRoughly(geom.stop, -5) self.assertRoughly(geom.scale, 1) def test01(self): """Verify 90 deg depth limit""" tool = VbitTool(10, 90, 0) geom = PathVcarve._Geometry.FromTool(tool, 0, -3) self.assertRoughly(geom.start, 0) self.assertRoughly(geom.stop, -3) self.assertRoughly(geom.scale, 1) def test02(self): """Verify 60 deg depth calculation""" tool = VbitTool(10, 60, 0) geom = PathVcarve._Geometry.FromTool(tool, 0, -10) self.assertRoughly(geom.start, 0) self.assertRoughly(geom.stop, -5 * Scale60) self.assertRoughly(geom.scale, Scale60) def test03(self): """Verify 60 deg depth limit""" tool = VbitTool(10, 60, 0) geom = PathVcarve._Geometry.FromTool(tool, 0, -3) self.assertRoughly(geom.start, 0) self.assertRoughly(geom.stop, -3) self.assertRoughly(geom.scale, Scale60) def test10(self): """Verify 90 deg with tip dia depth calculation""" tool = VbitTool(10, 90, 2) geom = PathVcarve._Geometry.FromTool(tool, 0, -10) # in order for the width to be correct the height needs to be shifted self.assertRoughly(geom.start, 1) self.assertRoughly(geom.stop, -4) self.assertRoughly(geom.scale, 1) def test11(self): """Verify 90 deg with tip dia depth limit calculation""" tool = VbitTool(10, 90, 2) geom = PathVcarve._Geometry.FromTool(tool, 0, -3) # in order for the width to be correct the height needs to be shifted self.assertRoughly(geom.start, 1) self.assertRoughly(geom.stop, -3) self.assertRoughly(geom.scale, 1) def test12(self): """Verify 45 deg with tip dia depth calculation""" tool = VbitTool(10, 45, 2) geom = PathVcarve._Geometry.FromTool(tool, 0, -10) # in order for the width to be correct the height needs to be shifted self.assertRoughly(geom.start, Scale45) self.assertRoughly(geom.stop, -4 * Scale45) self.assertRoughly(geom.scale, Scale45) def test13(self): """Verify 45 deg with tip dia depth limit calculation""" tool = VbitTool(10, 45, 2) geom = PathVcarve._Geometry.FromTool(tool, 0, -3) # in order for the width to be correct the height needs to be shifted self.assertRoughly(geom.start, Scale45) self.assertRoughly(geom.stop, -3) self.assertRoughly(geom.scale, Scale45) def test14(self): """Verify if max dept is calculated properly when step-down is disabled""" tool = VbitTool(10, 45, 2) geom = PathVcarve._Geometry.FromTool(tool, zStart=0, zFinal=-3, zStepDown=0) self.assertEqual(geom.maximumDepth, -3) self.assertEqual(geom.maximumDepth, geom.stop) def test15(self): """Verify if step-down sections match final max depth""" tool = VbitTool(10, 45, 2) geom = PathVcarve._Geometry.FromTool(tool, zStart=0, zFinal=-3, zStepDown=0.13) while geom.incrementStepDownDepth(maximumUsableDepth=-3): pass self.assertEqual(geom.maximumDepth, -3) def test16(self): """Verify 90 deg with tip dia depth calculation with step-down enabled""" tool = VbitTool(10, 90, 2) geom = PathVcarve._Geometry.FromTool(tool, zStart=0, zFinal=-10, zStepDown=0.13) while geom.incrementStepDownDepth(maximumUsableDepth=-10): pass # in order for the width to be correct the height needs to be shifted self.assertRoughly(geom.start, 1) self.assertRoughly(geom.stop, -4) self.assertRoughly(geom.scale, 1) self.assertRoughly(geom.maximumDepth, -4)