def derived_loft():
w1 = cm.wire([cm.circle(1.0)])
w2 = cm.wire([cm.circle(2.0)])
w2.translate((0.0, 0.0, 5.0))
w3 = cm.wire([cm.circle(1.5)])
w3.translate((0.0, 0.0, 10.0))
s1 = cm.loft([w1, w2, w3])
save_iso(s1, 'derived_loft.png')
def derived_loft():
w1 = cm.wire([cm.circle(1.0)])
w2 = cm.wire([cm.circle(2.0)])
w2.translate((0.0, 0.0, 5.0))
w3 = cm.wire([cm.circle(1.5)])
w3.translate((0.0, 0.0, 10.0))
s1 = cm.loft([w1, w2, w3])
save_iso(s1, 'derived_loft.png')
def test_loft(self):
w1 = cm.wire([cm.circle(1.0)])
w2 = cm.wire([cm.circle(2.0)])
w2.translate((0.0, 0.0, 5.0))
w3 = cm.wire([cm.circle(1.5)])
w3.translate((0.0, 0.0, 10.0))
s1 = cm.loft([w1, w2, w3])
# empirical
self.assert_(close(98.407, s1.volume(), 0.001))
def test_loft(self):
w1 = cm.wire([cm.circle(1.0)])
w2 = cm.wire([cm.circle(2.0)])
w2.translate((0.0, 0.0, 5.0))
w3 = cm.wire([cm.circle(1.5)])
w3.translate((0.0, 0.0, 10.0))
s1 = cm.loft([w1, w2, w3])
# empirical
self.assert_(close(98.407, s1.volume(), 0.001))
def query(self, widget=None):
"""
Reports the properties of a selection
Should do something other than print (popup?) ***
"""
if self.selected is not None:
if self.selection_type == 'vertex':
s = _cm.vertex(self.selected)
retval = 'center: ' + str(s.center()) + \
'\ntolerance: ' + str(s.tolerance())
elif self.selection_type == 'edge':
s = _cm.edge(self.selected)
retval = 'center: ' + str(s.center()) + \
'\nlength: ' + str(s.length()) + \
'\ntolerance: ' + str(s.tolerance())
elif self.selection_type == 'wire':
s = _cm.wire(self.selected)
retval = 'center: ' + str(s.center()) + \
'\nlength: ' + str(s.length())
elif self.selection_type == 'face':
s = _cm.face(self.selected)
retval = 'center: ' + str(s.center()) + \
'\ntype: ' + str(s.type()) + \
'\narea: ' + str(s.area()) + \
'\ntolerance: ' + str(s.tolerance())
else:
retval = 'No properties for type ' + self.selection_type
print(retval)
def query(self, widget=None):
"""
Reports the properties of a selection
Should do something other than print (popup?) ***
"""
if self.selected is not None:
if self.selection_type == 'vertex':
s = _cm.vertex(self.selected)
retval = 'center: ' + str(s.center()) + \
'\ntolerance: ' + str(s.tolerance())
elif self.selection_type == 'edge':
s = _cm.edge(self.selected)
retval = 'center: ' + str(s.center()) + \
'\nlength: ' + str(s.length()) + \
'\ntolerance: ' + str(s.tolerance())
elif self.selection_type == 'wire':
s = _cm.wire(self.selected)
retval = 'center: ' + str(s.center()) + \
'\nlength: ' + str(s.length())
elif self.selection_type == 'face':
s = _cm.face(self.selected)
retval = 'center: ' + str(s.center()) + \
'\ntype: ' + str(s.type()) + \
'\narea: ' + str(s.area()) + \
'\ntolerance: ' + str(s.tolerance())
else:
retval = 'No properties for type ' + self.selection_type
print(retval)
def derived_pipe():
profile = cm.ngon(2.0, 6)
e1 = cm.arc(8.0, 0.0, math.pi / 2)
e2 = cm.segment((0.0, 8.0, 0.0), (-8.0, 8.0, 0.0))
spine = cm.wire([e1, e2])
spine.translate((-8.0, 0.0, 0.0))
spine.rotatex(math.pi / 2)
s1 = cm.pipe(profile, spine)
save_iso(s1, 'derived_pipe.png')
def wire():
e1 = cm.arc(1.0, -math.pi / 2, math.pi / 2)
e1.translate((1.0, 0.0, 0.0))
e2 = cm.segment((1.0, 1.0, 0.0), (-1.0, 1.0, 0.0))
e3 = cm.arc(1.0, math.pi / 2, 3 * math.pi / 2)
e3.translate((-1.0, 0.0, 0.0))
e4 = cm.segment((-1.0, -1.0, 0.0), (1.0, -1.0, 0.0))
w1 = cm.wire([e1, e2, e3, e4])
save_top(w1, 'wire.png', (0.0, 0.0, 0.0))
def derived_pipe():
profile = cm.ngon(2.0, 6)
e1 = cm.arc(8.0, 0.0, math.pi / 2)
e2 = cm.segment((0.0, 8.0, 0.0), (-8.0, 8.0, 0.0))
spine = cm.wire([e1, e2])
spine.translate((-8.0, 0.0, 0.0))
spine.rotatex(math.pi / 2)
s1 = cm.pipe(profile, spine)
save_iso(s1, 'derived_pipe.png')
def test_filling(self):
e1 = cm.spline([(0.0, 0.0, 0.0), (1.0, 0.2, 0.3), (1.5, 0.8, 1.0),
(0.8, 1.2, 0.2), (0.0, 1.0, 0.0)])
e2 = cm.spline([(0.0, 0.0, 0.0), (-1.0, 0.2, 0.3), (-1.5, 0.8, 1.0),
(-0.8, 1.2, 0.2), (0.0, 1.0, 0.0)])
w1 = cm.wire([e1, e2])
f1 = cm.filling(w1)
# empirical
self.assert_(close(5.479, f1.area(), 0.01)) # Can vary
def derived_revol():
e1 = cm.arc(1.0, -math.pi / 2, math.pi / 2)
e1.translate((3.0, 0.0, 0.0))
w1 = cm.polygon([(3.0, 1.0, 0.0), (2.0, 1.0, 0.0), (2.0, -1.0, 0.0),
(3.0, -1.0, 0.0)])
f1 = cm.plane(cm.wire([e1, w1]))
f1.rotatex(math.pi / 2)
s1 = cm.revol(f1, (0.0, 0.0, 0.0), (0.0, 0.0, 1.0), 2 * math.pi)
save_iso(s1, 'derived_revol.png')
def wire():
e1 = cm.arc(1.0, -math.pi / 2, math.pi / 2)
e1.translate((1.0, 0.0, 0.0))
e2 = cm.segment((1.0, 1.0, 0.0), (-1.0, 1.0, 0.0))
e3 = cm.arc(1.0, math.pi / 2, 3 * math.pi / 2)
e3.translate((-1.0, 0.0, 0.0))
e4 = cm.segment((-1.0, -1.0, 0.0), (1.0, -1.0, 0.0))
w1 = cm.wire([e1, e2, e3, e4])
save_top(w1, 'wire.png', (0.0, 0.0, 0.0))
def test_pipe(self):
profile = cm.ngon(2.0, 6)
e1 = cm.arc(8.0, 0.0, math.pi / 2)
e2 = cm.segment((0.0, 8.0, 0.0), (-8.0, 8.0, 0.0))
spine = cm.wire([e1, e2])
spine.translate((-8.0, 0.0, 0.0))
spine.rotatex(math.pi / 2)
s1 = cm.pipe(profile, spine)
# empirical
self.assert_(close(213.732, s1.volume(), 0.001))
def test_pipe(self):
profile = cm.ngon(2.0, 6)
e1 = cm.arc(8.0, 0.0, math.pi / 2)
e2 = cm.segment((0.0, 8.0, 0.0), (-8.0, 8.0, 0.0))
spine = cm.wire([e1, e2])
spine.translate((-8.0, 0.0, 0.0))
spine.rotatex(math.pi / 2)
s1 = cm.pipe(profile, spine)
# empirical
self.assert_(close(213.732, s1.volume(), 0.001))
def derived_revol():
e1 = cm.arc(1.0, -math.pi / 2, math.pi / 2)
e1.translate((3.0, 0.0, 0.0))
w1 = cm.polygon([(3.0, 1.0, 0.0),
(2.0, 1.0, 0.0),
(2.0, -1.0, 0.0),
(3.0, -1.0, 0.0)])
f1 = cm.plane(cm.wire([e1, w1]))
f1.rotatex(math.pi / 2)
s1 = cm.revol(f1, (0.0, 0.0, 0.0), (0.0, 0.0, 1.0), 2 * math.pi)
save_iso(s1, 'derived_revol.png')
def face_filling():
e1 = cm.spline([(0.0, 0.0, 0.0), (1.0, 0.2, 0.3), (1.5, 0.8, 1.0),
(0.8, 1.2, 0.2), (0.0, 1.0, 0.0)])
e2 = cm.spline([(0.0, 0.0, 0.0), (-1.0, 0.2, 0.3), (-1.5, 0.8, 1.0),
(-0.8, 1.2, 0.2), (0.0, 1.0, 0.0)])
w1 = cm.wire([e1, e2])
f1 = cm.filling(w1)
v.viewstandard(viewtype='iso')
v.display(w1, color=(1.0, 0.0, 0.0))
v.display(f1)
v.fit()
v.save('face_filling.png')
v.clear()
def test_filling(self):
e1 = cm.spline([(0.0, 0.0, 0.0),
(1.0, 0.2, 0.3),
(1.5, 0.8, 1.0),
(0.8, 1.2, 0.2),
(0.0, 1.0, 0.0)])
e2 = cm.spline([(0.0, 0.0, 0.0),
(-1.0, 0.2, 0.3),
(-1.5, 0.8, 1.0),
(-0.8, 1.2, 0.2),
(0.0, 1.0, 0.0)])
w1 = cm.wire([e1, e2])
f1 = cm.filling(w1)
# empirical
self.assert_(close(5.479, f1.area(), 0.01)) # Can vary
def face_filling():
e1 = cm.spline([(0.0, 0.0, 0.0),
(1.0, 0.2, 0.3),
(1.5, 0.8, 1.0),
(0.8, 1.2, 0.2),
(0.0, 1.0, 0.0)])
e2 = cm.spline([(0.0, 0.0, 0.0),
(-1.0, 0.2, 0.3),
(-1.5, 0.8, 1.0),
(-0.8, 1.2, 0.2),
(0.0, 1.0, 0.0)])
w1 = cm.wire([e1, e2])
f1 = cm.filling(w1)
v.viewstandard(viewtype='iso')
v.display(w1, color=(1.0, 0.0, 0.0))
v.display(f1)
v.fit()
v.save('face_filling.png')
v.clear()
def _build_hashes(self, htype):
if htype == 'face':
ex_type = _TopAbs.TopAbs_FACE
elif htype == 'wire':
ex_type = _TopAbs.TopAbs_WIRE
elif htype == 'edge':
ex_type = _TopAbs.TopAbs_EDGE
elif htype == 'vertex':
ex_type = _TopAbs.TopAbs_VERTEX
else:
print('Error: Unknown hash type', htype)
if (self.selected_shape.ShapeType == _TopAbs.TopAbs_WIRE and
htype == 'edge'):
ex = _BRepTools_WireExplorer(selected_shape) # Ordered this way
else:
ex = _TopExp_Explorer(self.selected_shape, ex_type)
self.hashes = []
self.positions = []
while ex.More():
s1 = ex.Current()
# Calculate hash
s1_hash = s1.__hash__()
if s1_hash not in self.hashes:
self.hashes.append(s1_hash)
# Calculate position
if htype == 'face':
f = _cm.face(s1)
c = (' type ' + f.type(), f.center())
elif htype == 'wire':
w = _cm.wire(s1)
c = ('', w.center())
elif htype == 'edge':
e = _cm.edge(s1)
c = ('', e.center())
elif htype == 'vertex':
c = ('', _cm.vertex(s1).center())
self.positions.append(c)
ex.Next()
def _build_hashes(self, htype):
if htype == 'face':
ex_type = _TopAbs.TopAbs_FACE
elif htype == 'wire':
ex_type = _TopAbs.TopAbs_WIRE
elif htype == 'edge':
ex_type = _TopAbs.TopAbs_EDGE
elif htype == 'vertex':
ex_type = _TopAbs.TopAbs_VERTEX
else:
print('Error: Unknown hash type', htype)
if (self.selected_shape.ShapeType == _TopAbs.TopAbs_WIRE and
htype == 'edge'):
ex = _BRepTools_WireExplorer(selected_shape) # Ordered this way
else:
ex = _TopExp_Explorer(self.selected_shape, ex_type)
self.hashes = []
self.positions = []
while ex.More():
s1 = ex.Current()
# Calculate hash
s1_hash = s1.__hash__()
if s1_hash not in self.hashes:
self.hashes.append(s1_hash)
# Calculate position
if htype == 'face':
f = _cm.face(s1)
c = (' type ' + f.type(), f.center())
elif htype == 'wire':
w = _cm.wire(s1)
c = ('', w.center())
elif htype == 'edge':
e = _cm.edge(s1)
c = ('', e.center())
elif htype == 'vertex':
c = ('', _cm.vertex(s1).center())
self.positions.append(c)
ex.Next()
