freecad-cam/Mod/Draft/drafttests/test_modification.py
2026-02-01 01:59:24 +01:00

835 lines
31 KiB
Python

# ***************************************************************************
# * Copyright (c) 2013 Yorik van Havre <yorik@uncreated.net> *
# * Copyright (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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. *
# * *
# * FreeCAD 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 FreeCAD; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
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# ***************************************************************************
"""Unit tests for the Draft Workbench, object modification tests."""
## @package test_modification
# \ingroup drafttests
# \brief Unit tests for the Draft Workbench, object modification tests.
## \addtogroup drafttests
# @{
import unittest
import FreeCAD as App
import Draft
import drafttests.auxiliary as aux
import Part
from FreeCAD import Vector
from draftutils.messages import _msg, _wrn
class DraftModification(unittest.TestCase):
"""Test Draft modification tools."""
def setUp(self):
"""Set up a new document to hold the tests.
This is executed before every test, so we create a document
to hold the objects.
"""
aux.draw_header()
self.doc_name = self.__class__.__name__
if App.ActiveDocument:
if App.ActiveDocument.Name != self.doc_name:
App.newDocument(self.doc_name)
else:
App.newDocument(self.doc_name)
App.setActiveDocument(self.doc_name)
self.doc = App.ActiveDocument
_msg(" Temporary document '{}'".format(self.doc_name))
def test_move(self):
"""Create a line and move it."""
operation = "Draft Move"
_msg(" Test '{}'".format(operation))
a = Vector(0, 2, 0)
b = Vector(2, 2, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
obj = Draft.make_line(a, b)
App.ActiveDocument.recompute()
c = Vector(3, 1, 0)
_msg(" Translation vector")
_msg(" c={}".format(c))
Draft.move(obj, c)
App.ActiveDocument.recompute()
self.assertTrue(obj.Start.isEqual(Vector(3, 3, 0), 1e-6),
"'{}' failed".format(operation))
def test_copy(self):
"""Create a line, then copy and move it."""
operation = "Draft Move with copy"
_msg(" Test '{}'".format(operation))
a = Vector(0, 3, 0)
b = Vector(2, 3, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
line = Draft.make_line(a, b)
c = Vector(2, 2, 0)
_msg(" Translation vector (copy)")
_msg(" c={}".format(c))
obj = Draft.move(line, c, copy=True)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_rotate(self):
"""Create a line, then rotate it."""
operation = "Draft Rotate"
_msg(" Test '{}'".format(operation))
a = Vector(1, 1, 0)
b = Vector(3, 1, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
obj = Draft.make_line(a, b)
App.ActiveDocument.recompute()
c = Vector(-1, 1, 0)
rot = 90
_msg(" Rotation")
_msg(" angle={} degrees".format(rot))
Draft.rotate(obj, rot)
App.ActiveDocument.recompute()
self.assertTrue(obj.Start.isEqual(c, 1e-6),
"'{}' failed".format(operation))
def test_offset_open(self):
"""Create an open wire, then produce an offset copy."""
operation = "Draft Offset"
_msg(" Test '{}'".format(operation))
a = Vector(0, 2, 0)
b = Vector(2, 4, 0)
c = Vector(5, 2, 0)
_msg(" Open wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={0}".format(c))
wire = Draft.make_wire([a, b, c])
App.ActiveDocument.recompute()
offset = Vector(-1, 1, 0)
_msg(" Offset")
_msg(" vector={}".format(offset))
obj = Draft.offset(wire, offset, copy=True)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_offset_closed_with_reversed_edge(self):
"""Create a closed wire with a reversed edge, then produce an offset copy."""
# Regression test for:
# https://github.com/FreeCAD/FreeCAD/pull/5496
operation = "Draft Offset"
_msg(" Test '{}'".format(operation))
_msg(" Closed wire with reversed edge")
a = Vector(0, 0, 0)
b = Vector(10, 0, 0)
c = Vector(10, 4, 0)
d = Vector(0, 4, 0)
edges = [Part.makeLine(a, b),
Part.makeLine(b, c),
Part.makeLine(c, d),
Part.makeLine(a, d)]
wire = Part.Wire(edges)
obj = App.ActiveDocument.addObject("Part::Feature")
obj.Shape = wire
offset = Vector(0, -1, 0)
new = Draft.offset(obj, offset, copy=True)
self.assertTrue(len(new.Points) == 4, "'{}' failed".format(operation))
def test_offset_rectangle_with_face(self):
"""Create a rectangle with a face, then produce an offset copy."""
# Regression test for:
# https://github.com/FreeCAD/FreeCAD/pull/7670
operation = "Draft Offset"
_msg(" Test '{}'".format(operation))
length = 10
width = 4
_msg(" Rectangle with face")
_msg(" length={0}, width={1}".format(length, width))
rect = Draft.make_rectangle(length, width)
rect.MakeFace = True
App.ActiveDocument.recompute()
offset = Vector(0, -1, 0)
_msg(" Offset")
_msg(" vector={}".format(offset))
obj = Draft.offset(rect, offset, copy=True)
App.ActiveDocument.recompute()
obj_is_ok = (obj.Shape.CenterOfGravity == Vector(5, 2, 0)
and obj.Length == 12
and obj.Height == 6)
self.assertTrue(obj_is_ok, "'{}' failed".format(operation))
def test_trim(self):
"""Trim a line. NOT IMPLEMENTED."""
operation = "Draft Trimex trim"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(3, 3, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
line = Draft.make_line(a, b)
c = Vector(2, 2, 0)
d = Vector(4, 2, 0)
_msg(" Line 2")
_msg(" c={0}, d={1}".format(c, d))
line2 = Draft.make_line(c, d)
App.ActiveDocument.recompute()
Draft.trim_objects = aux.fake_function
obj = Draft.trim_objects(line, line2)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_extend(self):
"""Extend a line. NOT IMPLEMENTED."""
operation = "Draft Trimex extend"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(1, 1, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
line = Draft.make_line(a, b)
c = Vector(2, 2, 0)
d = Vector(4, 2, 0)
_msg(" Line 2")
_msg(" c={0}, d={1}".format(c, d))
line2 = Draft.make_line(c, d)
App.ActiveDocument.recompute()
Draft.extrude = aux.fake_function
obj = Draft.extrude(line, line2)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_join(self):
"""Join two lines into a single Draft Wire."""
operation = "Draft Join"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
_msg(" Line 1")
_msg(" a={0}, b={1}".format(a, b))
_msg(" Line 2")
_msg(" b={0}, c={1}".format(b, c))
line_1 = Draft.make_line(a, b)
line_2 = Draft.make_line(b, c)
# obj = Draft.join_wires([line_1, line_2]) # Multiple wires
obj = Draft.join_two_wires(line_1, line_2)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_split(self):
"""Split a Draft Wire into two Draft Wires."""
operation = "Draft_Split"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
d = Vector(6, 4, 0)
_msg(" Wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={0}, d={1}".format(c, d))
wire = Draft.make_wire([a, b, c, d])
index = 1
_msg(" Split at")
_msg(" p={0}, index={1}".format(b, index))
obj = Draft.split(wire, b, index)
# TODO: split needs to be modified so that it returns True or False.
# Then checking for Wire001 is not needed
if App.ActiveDocument.Wire001:
obj = True
self.assertTrue(obj, "'{}' failed".format(operation))
def test_upgrade(self):
"""Upgrade two Lines into a closed Wire, then draftify it."""
operation = "Draft Upgrade"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
_msg(" Line 1")
_msg(" a={0}, b={1}".format(a, b))
_msg(" Line 2")
_msg(" b={0}, c={1}".format(b, c))
shape_line_1 = Part.makeLine(a, b)
shape_line_2 = Part.makeLine(b, c)
line_1 = App.ActiveDocument.addObject("Part::Feature")
line_2 = App.ActiveDocument.addObject("Part::Feature")
line_1.Shape = shape_line_1
line_2.Shape = shape_line_2
App.ActiveDocument.recompute()
obj = Draft.upgrade([line_1, line_2], delete=True)
App.ActiveDocument.recompute()
s = obj[0][0]
_msg(" 1: Result '{0}' ({1})".format(s.Shape.ShapeType, s.TypeId))
self.assertTrue(bool(obj[0]), "'{}' failed".format(operation))
obj2 = Draft.upgrade(obj[0], delete=True)
App.ActiveDocument.recompute()
s2 = obj2[0][0]
_msg(" 2: Result '{0}' ({1})".format(s2.Shape.ShapeType, s2.TypeId))
self.assertTrue(bool(obj2[0]), "'{}' failed".format(operation))
obj3 = Draft.upgrade(obj2[0], delete=True)
App.ActiveDocument.recompute()
s3 = obj3[0][0]
_msg(" 3: Result '{0}' ({1})".format(s3.Shape.ShapeType, s3.TypeId))
self.assertTrue(bool(obj3[0]), "'{}' failed".format(operation))
# when draftify, upgrade dont return a new object
Draft.upgrade(obj3[0], delete=True)
App.ActiveDocument.recompute()
wire = App.ActiveDocument.Wire
_msg(" 4: Result '{0}' ({1})".format(wire.Proxy.Type, wire.TypeId))
self.assertTrue(bool(wire), "'{}' failed".format(operation))
obj4 = Draft.upgrade(wire, delete=True)
App.ActiveDocument.recompute()
_msg(" The last object cannot be upgraded further")
self.assertFalse(bool(obj4[0]), "'{}' failed".format(operation))
def test_downgrade(self):
"""Downgrade a closed Draft Wire into three simple Part Edges."""
operation = "Draft Downgrade"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
_msg(" Closed wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={0}, a={1}".format(c, a))
wire = Draft.make_wire([a, b, c, a])
App.ActiveDocument.recompute()
obj = Draft.downgrade(wire, delete=True)
App.ActiveDocument.recompute()
s = obj[0][0]
_msg(" 1: Result '{0}' ({1})".format(s.Shape.ShapeType, s.TypeId))
self.assertTrue(bool(obj[0]), "'{}' failed".format(operation))
obj2 = Draft.downgrade(obj[0], delete=True)
App.ActiveDocument.recompute()
s2 = obj2[0][0]
_msg(" 2: Result '{0}' ({1})".format(s2.Shape.ShapeType, s2.TypeId))
self.assertTrue(bool(obj2[0]), "'{}' failed".format(operation))
obj3 = Draft.downgrade(obj2[0], delete=True)
App.ActiveDocument.recompute()
s3 = obj3[0][0]
_msg(" 3: Result 3 x '{0}' ({1})".format(s3.Shape.ShapeType,
s3.TypeId))
self.assertTrue(len(obj3[0]) == 3, "'{}' failed".format(operation))
obj4 = Draft.downgrade(obj3[0], delete=True)
App.ActiveDocument.recompute()
s4 = obj4[0]
_msg(" 4: Result '{}'".format(s4))
_msg(" The last objects cannot be downgraded further")
self.assertFalse(bool(obj4[0]), "'{}' failed".format(operation))
def test_wire_to_bspline(self):
"""Convert a polyline to BSpline and back."""
operation = "Draft WireToBSpline"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
_msg(" Wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={}".format(c))
wire = Draft.make_wire([a, b, c])
obj = Draft.make_bspline(wire.Points)
App.ActiveDocument.recompute()
_msg(" 1: Result '{0}' ({1})".format(obj.Proxy.Type, obj.TypeId))
self.assertTrue(obj, "'{}' failed".format(operation))
obj2 = Draft.make_wire(obj.Points)
_msg(" 2: Result '{0}' ({1})".format(obj2.Proxy.Type, obj2.TypeId))
self.assertTrue(obj2, "'{}' failed".format(operation))
def test_shape_2d_view(self):
"""Create a prism and then a 2D projection of it."""
operation = "Draft Shape2DView"
_msg(" Test '{}'".format(operation))
prism = App.ActiveDocument.addObject("Part::Prism")
prism.Polygon = 5
# Rotate the prism 45 degrees around the Y axis
prism.Placement.Rotation.Axis = Vector(0, 1, 0)
prism.Placement.Rotation.Angle = 45 * (3.14159/180)
_msg(" Prism")
_msg(" n_sides={}".format(prism.Polygon))
_msg(" placement={}".format(prism.Placement))
direction = Vector(0, 0, 1)
_msg(" Projection 2D view")
_msg(" direction={}".format(direction))
obj = Draft.make_shape2dview(prism, direction)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_draft_to_sketch(self):
"""Convert a Draft object to a Sketch and back."""
operation = "Draft Draft2Sketch"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
_msg(" Wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={}".format(c))
wire = Draft.make_wire([a, b, c])
App.ActiveDocument.recompute()
obj = Draft.make_sketch(wire, autoconstraints=True)
App.ActiveDocument.recompute()
_msg(" 1: Result '{0}' ({1})".format(obj.Shape.ShapeType,
obj.TypeId))
self.assertTrue(obj, "'{}' failed".format(operation))
obj2 = Draft.draftify(obj, delete=False)
App.ActiveDocument.recompute()
_msg(" 2: Result '{0}' ({1})".format(obj2.Proxy.Type,
obj2.TypeId))
self.assertTrue(obj2, "'{}' failed".format(operation))
def test_rectangular_array(self):
"""Create a rectangle, and a rectangular array."""
operation = "Draft OrthoArray"
_msg(" Test '{}'".format(operation))
length = 4
width = 2
_msg(" Rectangle")
_msg(" length={0}, width={1}".format(length, width))
rect = Draft.make_rectangle(length, width)
App.ActiveDocument.recompute()
dir_x = Vector(5, 0, 0)
dir_y = Vector(0, 4, 0)
dir_z = Vector(0, 0, 6)
number_x = 3
number_y = 4
number_z = 6
_msg(" Array")
_msg(" direction_x={}".format(dir_x))
_msg(" direction_y={}".format(dir_y))
_msg(" direction_z={}".format(dir_z))
_msg(" number_x={0}, number_y={1}, number_z={2}".format(number_x,
number_y,
number_z))
obj = Draft.make_ortho_array(rect,
dir_x, dir_y, dir_z,
number_x, number_y, number_z)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_polar_array(self):
"""Create a rectangle, and a polar array."""
operation = "Draft PolarArray"
_msg(" Test '{}'".format(operation))
length = 4
width = 2
_msg(" Rectangle")
_msg(" length={0}, width={1}".format(length, width))
rect = Draft.make_rectangle(length, width)
App.ActiveDocument.recompute()
center = Vector(-4, 0, 0)
angle = 180
number = 5
_msg(" Array")
_msg(" number={0}, polar_angle={1}".format(number, angle))
_msg(" center={}".format(center))
obj = Draft.make_polar_array(rect,
number, angle, center)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_circular_array(self):
"""Create a rectangle, and a circular array."""
operation = "Draft CircularArray"
_msg(" Test '{}'".format(operation))
length = 4
width = 2
_msg(" Rectangle")
_msg(" length={0}, width={1}".format(length, width))
rect = Draft.make_rectangle(length, width)
App.ActiveDocument.recompute()
rad_distance = 10
tan_distance = 8
axis = Vector(0, 0, 1)
center = Vector(0, 0, 0)
number = 3
symmetry = 1
_msg(" Array")
_msg(" radial_distance={0}, "
"tangential_distance={1}".format(rad_distance, tan_distance))
_msg(" number={0}, symmetry={1}".format(number, symmetry))
_msg(" axis={}".format(axis))
_msg(" center={}".format(center))
obj = Draft.make_circular_array(rect,
rad_distance, tan_distance,
number, symmetry,
axis, center)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_path_array(self):
"""Create a wire, a polygon, and a path array."""
operation = "Draft PathArray"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
d = Vector(8, 4, 0)
_msg(" Wire")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={0}, d={1}".format(c, d))
wire = Draft.make_wire([a, b, c, d])
n_faces = 3
radius = 1
_msg(" Polygon")
_msg(" n_faces={0}, radius={1}".format(n_faces, radius))
poly = Draft.make_polygon(n_faces, radius)
number = 4
translation = Vector(0, 1, 0)
subelements = "Edge1"
align = False
_msg(" Path Array")
_msg(" number={}, translation={}".format(number, translation))
_msg(" subelements={}, align={}".format(subelements, align))
obj = Draft.make_path_array(poly, wire, number,
translation, subelements, align)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_point_array(self):
"""Create a polygon, various point, and a point array."""
operation = "Draft PointArray"
_msg(" Test '{}'".format(operation))
a = Vector(0, 0, 0)
b = Vector(2, 2, 0)
c = Vector(2, 4, 0)
d = Vector(8, 4, 0)
_msg(" Points")
_msg(" a={0}, b={1}".format(a, b))
_msg(" c={0}, d={1}".format(c, d))
points = [Draft.make_point(a),
Draft.make_point(b),
Draft.make_point(c),
Draft.make_point(d)]
_msg(" Upgrade")
add, delete = Draft.upgrade(points)
compound = add[0]
n_faces = 3
radius = 1
_msg(" Polygon")
_msg(" n_faces={0}, radius={1}".format(n_faces, radius))
poly = Draft.make_polygon(n_faces, radius)
_msg(" Point Array")
obj = Draft.make_point_array(poly, compound)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_clone(self):
"""Create a box, then create a clone of it.
Test for a bug introduced by changes in attachment code.
"""
operation = "Draft Clone"
_msg(" Test '{}'".format(operation))
box = App.ActiveDocument.addObject("Part::Box")
App.ActiveDocument.recompute()
_msg(" object: '{0}' ({1})".format(box.Shape.ShapeType, box.TypeId))
obj = Draft.make_clone(box)
_msg(" clone: '{0}' ({1})".format(obj.Proxy.Type, obj.TypeId))
self.assertTrue(obj, "'{}' failed".format(operation))
self.assertTrue(obj.hasExtension("Part::AttachExtension"),
"'{}' failed".format(operation))
def test_attached_clone_behavior(self):
"""Check if an attached clone behaves correctly.
Test for https://github.com/FreeCAD/FreeCAD/issues/8771.
"""
operation = "Check attached Draft Clone behavior"
_msg(" Test '{}'".format(operation))
box1 = App.ActiveDocument.addObject("Part::Box")
box1.Length = 10
box2 = App.ActiveDocument.addObject("Part::Box")
App.ActiveDocument.recompute()
obj = Draft.make_clone(box1)
obj.MapMode = "ObjectXY"
obj.AttachmentSupport = [(box2, ("",))]
App.ActiveDocument.recompute()
box1.Length = 1
App.ActiveDocument.recompute()
self.assertTrue(obj.Shape.BoundBox.XLength == 1, "'{}' failed".format(operation))
def test_draft_to_techdraw(self):
"""Create a solid, and then a DraftView on a TechDraw page."""
operation = "TechDraw DraftView (relies on Draft code)"
_msg(" Test '{}'".format(operation))
prism = App.ActiveDocument.addObject("Part::Prism")
prism.Polygon = 5
# Rotate the prism 45 degrees around the Y axis
prism.Placement.Rotation.Axis = Vector(0, 1, 0)
prism.Placement.Rotation.Angle = 45 * (3.14159/180)
_msg(" Prism")
_msg(" n_sides={}".format(prism.Polygon))
_msg(" placement={}".format(prism.Placement))
page = App.ActiveDocument.addObject("TechDraw::DrawPage")
_msg(" page={}".format(page.TypeId))
template = App.ActiveDocument.addObject("TechDraw::DrawSVGTemplate")
template.Template = App.getResourceDir() \
+ "Mod/TechDraw/Templates/A3_Landscape_blank.svg"
page.Template = template
_msg(" template={}".format(template.TypeId))
view = App.ActiveDocument.addObject("TechDraw::DrawViewDraft")
view.Source = prism
view.Direction = App.Vector(0, 0, 1)
page.addView(view)
_msg(" view={}".format(view.TypeId))
self.assertTrue(view, "'{}' failed".format(operation))
self.assertTrue(view in page.OutList, "'{}' failed".format(operation))
def test_mirror(self):
"""Create a rectangle, then a mirrored shape."""
operation = "Draft Mirror"
_msg(" Test '{}'".format(operation))
length = 4
width = 2
_msg(" Rectangle")
_msg(" length={0}, width={1}".format(length, width))
rect = Draft.make_rectangle(length, width)
# App.ActiveDocument.recompute()
p1 = Vector(6, -2, 0)
p2 = Vector(6, 2, 0)
_msg(" Mirror axis")
_msg(" p1={}".format(p1))
_msg(" p2={}".format(p2))
obj = Draft.mirror(rect, p1, p2)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_stretch(self):
"""Stretch a line. NOT IMPLEMENTED."""
operation = "Draft Stretch"
_msg(" Test '{}'".format(operation))
_msg(" This test requires an object and a selection")
a = Vector(0, 0, 0)
b = Vector(1, 1, 0)
_msg(" Line")
_msg(" a={0}, b={1}".format(a, b))
line = Draft.make_line(a, b)
direction = Vector(4, 1, 0)
Draft.stretch = aux.fake_function
obj = Draft.stretch(line, direction)
self.assertTrue(obj, "'{}' failed".format(operation))
def test_scale_part_feature_arcs(self):
"""Create and scale a part feature (arcs)."""
operation = "Draft Scale part feature (arcs)"
_msg(" Test '{}'".format(operation))
base = Vector(3.5, 2.5, 0.0)
cen = Vector(2.0, 1.0, 0.0) # center for scaling
sca = Vector(2.0, 3.0, 1.0)
ends = [Vector(0.0, 0.0, 0.0),
Vector(4.0, 0.0, 0.0),
Vector(4.0, 3.0, 0.0),
Vector(0.0, 3.0, 0.0)]
mids = [Vector( 2.0, -0.5, 0.0),
Vector( 4.5, 1.5, 0.0),
Vector( 2.0, 3.5, 0.0),
Vector(-0.5, 1.5, 0.0)] # arc midpoints
shp = Part.Shape([Part.Arc(ends[0], mids[0], ends[1]),
Part.Arc(ends[1], mids[1], ends[2]),
Part.Arc(ends[2], mids[2], ends[3]),
Part.Arc(ends[3], mids[3], ends[0])])
obj = App.ActiveDocument.addObject("Part::Feature")
obj.Shape = shp
obj.Placement.Base = base
App.ActiveDocument.recompute()
Draft.scale([obj], sca, cen, False)
App.ActiveDocument.recompute()
# check endpoints of arcs:
newEnds = [Vector( 5.0, 5.5, 0.0),
Vector(13.0, 5.5, 0.0),
Vector(13.0, 14.5, 0.0),
Vector( 5.0, 14.5, 0.0)]
vrts = obj.Shape.Vertexes
for i in range(4):
self.assertTrue(vrts[i].Point.isEqual(newEnds[i], 1e-6),
"'{}' failed".format(operation))
# check midpoints of arcs:
newMids = [Vector( 9.0, 4.0, 0.0),
Vector(14.0, 10.0, 0.0),
Vector( 9.0, 16.0, 0.0),
Vector( 4.0, 10.0, 0.0)]
for i in range(4):
edge = obj.Shape.Edges[i]
par = (edge.LastParameter - edge.FirstParameter) / 2.0
self.assertTrue(edge.valueAt(par).isEqual(newMids[i], 1e-6),
"'{}' failed".format(operation))
def test_scale_part_feature_lines(self):
"""Create and scale a part feature (lines)."""
operation = "Draft Scale part feature (lines)"
_msg(" Test '{}'".format(operation))
base = Vector(3.5, 2.5, 0.0)
cen = Vector(2.0, 1.0, 0.0) # center for scaling
sca = Vector(2.0, 3.0, 1.0)
pts = [Vector(0.0, 0.0, 0.0),
Vector(4.0, 0.0, 0.0),
Vector(4.0, 3.0, 0.0),
Vector(0.0, 3.0, 0.0)]
shp = Part.Shape([Part.LineSegment(pts[0], pts[1]),
Part.LineSegment(pts[1], pts[2]),
Part.LineSegment(pts[2], pts[3]),
Part.LineSegment(pts[3], pts[0])])
obj = App.ActiveDocument.addObject("Part::Feature")
obj.Shape = shp
obj.Placement.Base = base
App.ActiveDocument.recompute()
Draft.scale([obj], sca, cen, False)
App.ActiveDocument.recompute()
newPts = [Vector( 5.0, 5.5, 0.0),
Vector(13.0, 5.5, 0.0),
Vector(13.0, 14.5, 0.0),
Vector( 5.0, 14.5, 0.0)]
vrts = obj.Shape.Vertexes
for i in range(4):
self.assertTrue(vrts[i].Point.isEqual(newPts[i], 1e-6),
"'{}' failed".format(operation))
def test_scale_rectangle(self):
"""Create and scale a rectangle."""
operation = "Draft Scale rectangle"
_msg(" Test '{}'".format(operation))
base = Vector(3.5, 2.5, 0.0)
cen = Vector(2.0, 1.0, 0.0) # center for scaling
sca = Vector(2.0, 3.0, 1.0)
len = 4.0
hgt = 3.0
obj = Draft.make_rectangle(len, hgt)
obj.Placement.Base = base
App.ActiveDocument.recompute()
Draft.scale([obj], sca, cen, False)
App.ActiveDocument.recompute()
newBase = Vector(5.0, 5.5, 0.0)
newLen = 8.0
newHgt = 9.0
self.assertTrue(obj.Placement.Base.isEqual(newBase, 1e-6),
"'{}' failed".format(operation))
self.assertAlmostEqual(obj.Length,
newLen,
delta = 1e-6,
msg = "'{}' failed".format(operation))
self.assertAlmostEqual(obj.Height,
newHgt,
delta = 1e-6,
msg = "'{}' failed".format(operation))
def test_scale_spline(self):
"""Create and scale a spline."""
operation = "Draft Scale spline"
_msg(" Test '{}'".format(operation))
base = Vector(3.5, 2.5, 0.0)
cen = Vector(2.0, 1.0, 0.0) # center for scaling
sca = Vector(2.0, 3.0, 1.0)
pts = [Vector(0.0, 0.0, 0.0),
Vector(2.0, 3.0, 0.0),
Vector(4.0, 0.0, 0.0)]
obj = Draft.make_bspline(pts, False)
obj.Placement.Base = base
App.ActiveDocument.recompute()
Draft.scale([obj], sca, cen, False)
App.ActiveDocument.recompute()
newPts = [Vector( 5.0, 5.5, 0.0),
Vector( 9.0, 14.5, 0.0),
Vector(13.0, 5.5, 0.0)]
for i in range(3):
self.assertTrue(obj.Points[i].add(base).isEqual(newPts[i], 1e-6),
"'{}' failed".format(operation))
def test_scale_wire(self):
"""Create and scale a wire."""
operation = "Draft Scale wire"
_msg(" Test '{}'".format(operation))
base = Vector(3.5, 2.5, 0.0)
cen = Vector(2.0, 1.0, 0.0) # center for scaling
sca = Vector(2.0, 3.0, 1.0)
pts = [Vector(0.0, 0.0, 0.0),
Vector(4.0, 0.0, 0.0),
Vector(4.0, 3.0, 0.0),
Vector(0.0, 3.0, 0.0)]
obj = Draft.make_wire(pts, True)
obj.Placement.Base = base
App.ActiveDocument.recompute()
Draft.scale([obj], sca, cen, False)
App.ActiveDocument.recompute()
newPts = [Vector( 5.0, 5.5, 0.0),
Vector(13.0, 5.5, 0.0),
Vector(13.0, 14.5, 0.0),
Vector( 5.0, 14.5, 0.0)]
vrts = obj.Shape.Vertexes
for i in range(4):
self.assertTrue(vrts[i].Point.isEqual(newPts[i], 1e-6),
"'{}' failed".format(operation))
def tearDown(self):
"""Finish the test.
This is executed after each test, so we close the document.
"""
App.closeDocument(self.doc_name)
## @}