def _read_cord2c(self, data, n):
"""
(2001,20,9) - the marker for Record 4
"""
s = Struct(self._endian + b'4i9f')
nentries = (len(data) - n) // 52
for i in range(nentries):
edata = data[n:n + 52] # 13*4
out = s.unpack(edata)
(cid, two1, two2, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3) = out
assert two1 == 2, two1
assert two2 == 2, two2
data_in = [cid, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3]
coord = CORD2C.add_op2_data(data_in)
if self.is_debug_file:
self.binary_debug.write(' CORD2C=%s\n' % str(out))
self._add_coord_object(coord, allow_overwrites=True)
n += 52
self.increase_card_count('CORD2C', nentries)
return n
def _read_cord2c(self, data, n):
"""
(2001,20,9) - the marker for Record 4
"""
s = Struct(b(self._endian + '4i9f'))
nentries = (len(data) - n) // 52
for i in range(nentries):
edata = data[n:n + 52] # 13*4
out = s.unpack(edata)
(cid, two1, two2, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3) = out
assert two1 == 2, two1
assert two2 == 2, two2
data_in = [cid, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3]
coord = CORD2C.add_op2_data(data_in)
if self.is_debug_file:
self.binary_debug.write(' CORD2C=%s\n' % str(out))
self.add_coord(coord, allow_overwrites=True)
n += 52
self._increase_card_count('CORD2C', nentries)
return n
def _read_cord2c(self, data, n):
"""
(2001,20,9) - the marker for Record 4
"""
ntotal = 52 * self.factor # 13*4
s = Struct(mapfmt(self._endian + b'4i9f', self.size))
nentries = (len(data) - n) // ntotal
for unused_i in range(nentries):
edata = data[n:n + ntotal]
out = s.unpack(edata)
(cid, two1, two2, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3) = out
assert two1 == 2, two1
assert two2 == 2, two2
data_in = [cid, rid, a1, a2, a3, b1, b2, b3, c1, c2, c3]
coord = CORD2C.add_op2_data(data_in)
if self.is_debug_file:
self.binary_debug.write(' CORD2C=%s\n' % str(out))
self._add_coord_object(coord, allow_overwrites=False)
n += ntotal
self.increase_card_count('CORD2C', nentries)
return n
def test_cord2c_01(self):
"""simple CORD2R/CORD2C input/output test"""
lines = [
'CORD2C* 3 0 0. 0.',
'* 0. 0. 0. 1.*',
'* 1. 0. 1.'
]
model = BDF(debug=False)
card = model._process_card(lines)
cardi = BDFCard(card)
cord2c = CORD2C.add_card(cardi)
model._add_coord_object(cord2c)
lines = [
'CORD2R 4 3 10. 0. 5. 10. 90. 5.',
' 10. 0. 6.'
]
card = model._process_card(lines)
cardi = BDFCard(card)
cord2r = CORD2R.add_card(cardi)
model._add_coord_object(cord2r)
model.cross_reference()
cord2r_b = model.Coord(3)
self.assertEqual(cord2r_b.Cid(), 3)
self.assertEqual(cord2r_b.Rid(), 0)
cord2r_c = model.Coord(4)
self.assertEqual(cord2r_c.Cid(), 4)
self.assertEqual(cord2r_c.Rid(), 3)
self.assertTrue(allclose(cord2r_c.i, array([0., 0., 1.])))
delta = cord2r_c.j - array([1., 1., 0.]) / 2**0.5
self.assertTrue(allclose(cord2r_c.j,
array([1., 1., 0.]) / 2**0.5), str(delta))
delta = cord2r_c.k - array([-1., 1., 0.]) / 2**0.5
self.assertTrue(allclose(cord2r_c.k,
array([-1., 1., 0.]) / 2**0.5), str(delta))
def add_cord2c(self, card, comment=''):
"""adds a CORD2C card"""
coord = CORD2C.add_card(card, comment=comment)
self.coords[coord.cid] = coord
self.n += 1
def add_cord2c(self, card, comment=''):
"""adds a CORD2C card"""
coord = CORD2C.add_card(card, comment=comment)
self.coords[coord.cid] = coord
self.n += 1
