src/Mod/PartDesign/PartDesignTests/TestShapeBinder.py

# ***************************************************************************
# *   Copyright (c) 2011 Juergen Riegel <FreeCAD@juergen-riegel.net>        *
# *                                                                         *
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# *   GNU Library General Public License for more details.                  *
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import unittest
import math

import FreeCAD
from FreeCAD import Base
import Part
import Sketcher


class TestShapeBinder(unittest.TestCase):
    def setUp(self):
        self.Doc = FreeCAD.newDocument("PartDesignTestShapeBinder")

    def testTwoBodyShapeBinderCase(self):
        self.Body = self.Doc.addObject("PartDesign::Body", "Body")
        self.Box = self.Doc.addObject("PartDesign::AdditiveBox", "Box")
        self.Box.Length = 1
        self.Box.Width = 1
        self.Box.Height = 1
        self.Body.addObject(self.Box)
        self.Doc.recompute()
        self.Body001 = self.Doc.addObject("PartDesign::Body", "Body001")
        self.ShapeBinder = self.Doc.addObject("PartDesign::ShapeBinder", "ShapeBinder")
        self.ShapeBinder.Support = [(self.Box, "Face1")]
        self.Body001.addObject(self.ShapeBinder)
        self.Doc.recompute()
        self.assertIn("Box", self.ShapeBinder.OutList[0].Label)
        self.assertIn("Body001", self.ShapeBinder.InList[0].Label)

    def tearDown(self):
        # closing doc
        FreeCAD.closeDocument("PartDesignTestShapeBinder")
        # print ("omit closing document for debugging")


class TestSubShapeBinder(unittest.TestCase):
    def setUp(self):
        self.Doc = FreeCAD.newDocument("PartDesignTestSubShapeBinder")

    def tearDown(self):
        FreeCAD.closeDocument("PartDesignTestSubShapeBinder")

    def testOffsetBinder(self):
        # See PR 7445
        body = self.Doc.addObject("PartDesign::Body", "Body")
        box = self.Doc.addObject("PartDesign::AdditiveBox", "Box")
        body.addObject(box)

        box.Length = 10.00000
        box.Width = 10.00000
        box.Height = 10.00000

        binder = body.newObject("PartDesign::SubShapeBinder", "Binder")
        binder.Support = [(box, ("Edge2", "Edge12", "Edge6", "Edge10"))]
        self.Doc.recompute()

        self.assertAlmostEqual(binder.Shape.Length, 40)

        binder.OffsetJoinType = "Tangent"
        binder.Offset = 5.00000
        self.Doc.recompute()

        self.assertAlmostEqual(binder.Shape.Length, 80)

    def testBinderBeforeOrAfterPad(self):
        """Test case for PR #8763"""
        body = self.Doc.addObject("PartDesign::Body", "Body")
        sketch = body.newObject("Sketcher::SketchObject", "Sketch")
        sketch.AttachmentSupport = (self.Doc.XZ_Plane, [""])
        sketch.MapMode = "FlatFace"
        self.Doc.recompute()

        geoList = []
        geoList.append(
            Part.LineSegment(
                Base.Vector(-21.762587, 19.904083, 0), Base.Vector(32.074337, 19.904083, 0)
            )
        )
        geoList.append(
            Part.LineSegment(
                Base.Vector(32.074337, 19.904083, 0), Base.Vector(32.074337, -27.458027, 0)
            )
        )
        geoList.append(
            Part.LineSegment(
                Base.Vector(32.074337, -27.458027, 0), Base.Vector(-21.762587, -27.458027, 0)
            )
        )
        geoList.append(
            Part.LineSegment(
                Base.Vector(-21.762587, -27.458027, 0), Base.Vector(-21.762587, 19.904083, 0)
            )
        )
        sketch.addGeometry(geoList, False)

        conList = []
        conList.append(Sketcher.Constraint("Coincident", 0, 2, 1, 1))
        conList.append(Sketcher.Constraint("Coincident", 1, 2, 2, 1))
        conList.append(Sketcher.Constraint("Coincident", 2, 2, 3, 1))
        conList.append(Sketcher.Constraint("Coincident", 3, 2, 0, 1))
        conList.append(Sketcher.Constraint("Horizontal", 0))
        conList.append(Sketcher.Constraint("Horizontal", 2))
        conList.append(Sketcher.Constraint("Vertical", 1))
        conList.append(Sketcher.Constraint("Vertical", 3))
        sketch.addConstraint(conList)
        del geoList, conList

        self.Doc.recompute()

        binder1 = body.newObject("PartDesign::SubShapeBinder", "Binder")
        binder1.Support = sketch
        self.Doc.recompute()
        pad = body.newObject("PartDesign::Pad", "Pad")
        pad.Profile = sketch
        pad.Length = 10
        self.Doc.recompute()
        pad.ReferenceAxis = (sketch, ["N_Axis"])
        sketch.Visibility = False
        self.Doc.recompute()

        binder2 = body.newObject("PartDesign::SubShapeBinder", "Binder001")
        binder2.Support = [pad, "Sketch."]
        self.Doc.recompute()

        self.assertAlmostEqual(binder1.Shape.BoundBox.XLength, binder2.Shape.BoundBox.XLength, 2)
        self.assertAlmostEqual(binder1.Shape.BoundBox.YLength, binder2.Shape.BoundBox.YLength, 2)
        self.assertAlmostEqual(binder1.Shape.BoundBox.ZLength, binder2.Shape.BoundBox.ZLength, 2)

        nor1 = binder1.Shape.Face1.normalAt(0, 0)
        nor2 = binder2.Shape.Face1.normalAt(0, 0)
        self.assertAlmostEqual(nor1.getAngle(nor2), 0.0, 2)

    def testBinderWithRevolution(self):
        doc = self.Doc
        body = doc.addObject("PartDesign::Body", "Body")
        doc.recompute()
        sketch = body.newObject("Sketcher::SketchObject", "Sketch")
        geoList = []
        geoList.append(Part.LineSegment(Base.Vector(10, 10, 0), Base.Vector(30, 10, 0)))
        geoList.append(Part.LineSegment(Base.Vector(30, 10, 0), Base.Vector(30, 15, 0)))
        geoList.append(Part.LineSegment(Base.Vector(30, 15, 0), Base.Vector(10, 15, 0)))
        geoList.append(Part.LineSegment(Base.Vector(10, 15, 0), Base.Vector(10, 10, 0)))
        sketch.addGeometry(geoList, False)
        del geoList
        constraintList = []
        constraintList.append(Sketcher.Constraint("Coincident", 0, 2, 1, 1))
        constraintList.append(Sketcher.Constraint("Coincident", 1, 2, 2, 1))
        constraintList.append(Sketcher.Constraint("Coincident", 2, 2, 3, 1))
        constraintList.append(Sketcher.Constraint("Coincident", 3, 2, 0, 1))
        constraintList.append(Sketcher.Constraint("Horizontal", 0))
        constraintList.append(Sketcher.Constraint("Horizontal", 2))
        constraintList.append(Sketcher.Constraint("Vertical", 1))
        constraintList.append(Sketcher.Constraint("Vertical", 3))
        sketch.addConstraint(constraintList)
        del constraintList
        doc.recompute()
        binder = body.newObject("PartDesign::SubShapeBinder", "Binder")
        binder.Support = sketch
        revolution = body.newObject("PartDesign::Revolution", "Revolution")
        revolution.Profile = (
            binder,
            [
                "",
            ],
        )
        revolution.ReferenceAxis = (doc.getObject("Y_Axis"), [""])
        revolution.Angle = 360.0
        revolution.Reversed = 1
        doc.recompute()
        revolution.Angle2 = 60.0
        doc.recompute()
        self.assertAlmostEqual(binder.Shape.Area, 100)
        volume = 100 * math.pi * 2 * 20
        self.assertAlmostEqual(revolution.Shape.Volume, volume)