本文整理汇总了Python中oricrete.folding.CreasePattern.grab_pts方法的典型用法代码示例。如果您正苦于以下问题：Python CreasePattern.grab_pts方法的具体用法？Python CreasePattern.grab_pts怎么用？Python CreasePattern.grab_pts使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类oricrete.folding.CreasePattern的用法示例。
在下文中一共展示了CreasePattern.grab_pts方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: BeispielCode3
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def BeispielCode3():
cp = CreasePattern()
cp.nodes = [[0, 0, 0],
[1, 0, 0],
[1, 1, 0],
[0.5, 0.3, 0]] #Knoten fuer Grabpoint Element
cp.crease_lines = [[0, 1],
[1, 2],
[2, 0]]
cp.facets = [[0, 1, 2]]
cp.grab_pts = [[3, 0]]
cp.cnstr_lhs = [[(0, 0, 1.0)],
[(0, 1, 1.0)],
[(0, 2, 1.0)],
[(1, 1, 1.0)],
[(2, 1, 1.0)],
[(3, 2, 1.0)]]
cp.cnstr_rhs = [0, 0, 0, 0, 0, 0.3]
X0 = [0, 0, 0, 0, 0, 0, 0, 0, 0.1, 0, 0, 0]
X = cp.solve(X0)
return cp示例2: twotriangle_stick_cnstr
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def twotriangle_stick_cnstr(n_steps = 10, dx = -0.3299999999999):
"""
This example shows the use of Grabpoints an Sticks in a more complex creasepattern.
"""
cp = CreasePattern(n_steps = n_steps)
cp.nodes = [[ 0, 0, 0 ],
[ 1, 0, 0 ],
[ 1, 1, 0],
[0.667, 0.333, 0],
[0.66, 0.33, 1],
[ 0, 1, 0]]
cp.crease_lines = [[ 0, 1 ],
[ 1, 2 ],
[ 2, 0 ],
[ 3, 4],
[ 0, 5],
[ 5, 2]]
cp.facets = [[0, 1, 2 ],
[2, 5, 0]]
cp.grab_pts = [[3, 0] ]
cp.cnstr_lhs = [
[(0, 0, 1.0)],
[(0, 1, 1.0)],
[(0, 2, 1.0)],
[(1, 1, 1.0)],
[(1, 2, 1.0)],
[(4, 2, 1.0)],
[(4, 0, 1.0)],
[(4, 1, 1.0)],
[(5, 2, 1.0)]]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, 0.0
, dx, 0.0, 0.0, 0.0
]
X = np.zeros((cp.n_dofs,), dtype = float)
X[1] = 0.01
print 'initial lengths\n', cp.c_lengths
print 'initial vectors\n', cp.c_vectors
print 'initial R\n', cp.get_G(X)
print 'initial G_du\n', cp.get_G_du(X)
X = cp.solve(X)
print '========== results =============='
print 'solution X\n', X
print 'final positions\n', cp.get_new_nodes(X)
print 'final vectors\n', cp.get_new_vectors(X)
print 'final lengths\n', cp.get_new_lengths(X)
return cp示例3: triangle_cp_cnstr
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def triangle_cp_cnstr(n_steps = 10, dx = -0.3299999999999):
"""
This example demonstrates the main funtions of Grabpoints.
Two Grabpoints are integrated in a single triangle.
Grabpoint one is used as regulare constrain moved in z-direction.
Grabpoint two is used as control point, which gives back the coordinations of
an exact point on the face in every iteration step.
"""
cp = CreasePattern(n_steps = n_steps)
cp.nodes = [[ 0, 0, 0 ],
[ 1, 0, 0 ],
[ 1, 1, 0],
[0.667, 0.333, 0],
[0.2, 0.1, 0]]
cp.crease_lines = [[ 0, 1 ],
[ 1, 2 ],
[ 2, 0 ]]
cp.facets = [[0, 1, 2 ]]
cp.grab_pts = [[3, 0],
[4, 0]]
cp.cnstr_lhs = [[(0, 0, 1.0)],
[(0, 1, 1.0)],
[(0, 2, 1.0)],
[(1, 1, 1.0)],
[(1, 2, 1.0)],
[(3, 2, 1.0)]]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, 0.0
, dx, 0.0, 0.0]
X = np.zeros((cp.n_dofs,), dtype = float)
X[1] = 0.01
print 'initial lengths\n', cp.c_lengths
print 'initial vectors\n', cp.c_vectors
print 'initial R\n', cp.get_G(X)
print 'initial G_du\n', cp.get_G_du(X)
# X = cp.solve(X)
print '========== results =============='
print 'solution X\n', X
print 'final positions\n', cp.get_new_nodes(X)
print 'final vectors\n', cp.get_new_vectors(X)
print 'final lengths\n', cp.get_new_lengths(X)
return cp示例4: halfcrane_2sticks
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def halfcrane_2sticks(n_steps = 10, dx = 1.5):
"""
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 5000)
cp.nodes = [[ 0, 0, 1.0 ],
[ 1, 0, 1.15 ],
[ 0.5, 0.5, -0.5],
[ 0.5, -0.5, -0.5],
# [ 0.5, 0, 0.75],
[ 0.5, 0, 1.075]]
cp.crease_lines = [[ 0, 1 ],
[ 2, 4 ],
[ 3, 4]]
cp.facets = [[0, 1, 4]]
cp.grab_pts = []
cp.line_pts = [[4, 0],
#[4, 0]
]
cp.cnstr_lhs = [[(1, 2, 1.0)],
[(1, 0, 1.0)],
[(1, 1, 1.0)],
[(0, 2, 1.0)],
[(0, 1, 1.0)],
[(2, 0, 1.0), (3, 0, -1.0) ],
[(2, 1, 1.0), (3, 1, -1.0)],
[(2, 2, 1.0), (3, 2, -1.0)],
[(3, 2, 1.0)],
[(3, 0, 1.0)]]
cp.cnstr_rhs = [dx, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
X = np.zeros((cp.n_dofs,), dtype = float)
X[5] = 0.0001
X[9] = 0.0001
# X[10] = 0.01
# X[11] = 0.01
X *= 1
print 'necessary constraints', cp.n_dofs - cp.n_c - cp.n_g * cp.n_d - cp.n_l * 2
print 'cnstr', len(cp.cnstr_lhs)
print 'initial R\n', cp.get_G(X)
print 'initial dR\n', cp.get_G_du(X)
#cp.show_iter = True
X = cp.solve(X)
return cp示例5: triangle_stick_cnstr
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def triangle_stick_cnstr(n_steps = 10, dx = -0.3299999999999):
"""
This example shows new options of lines, as beams connected to grabpoints.
This could be usefull for simulation the crane lifting up the oricrete construction.
"""
cp = CreasePattern(n_steps = n_steps)
cp.nodes = [[ 0, 0, 0 ],
[ 1, 0, 0 ],
[ 1, 1, 0],
[0.667, 0.333, 0],
[0.1, 0.05, 0],
[0.66, 0.33, 2]]
cp.crease_lines = [[ 0, 1 ],
[ 1, 2 ],
[ 2, 0 ],
[ 3, 5]]
cp.facets = [[0, 1, 2 ]]
cp.grab_pts = [[3, 0],
[4, 0]]
cp.cnstr_lhs = [[(0, 0, 1.0)],
[(0, 1, 1.0)],
[(0, 2, 1.0)],
[(1, 1, 1.0)],
[(1, 2, 1.0)],
[(5, 2, 1.0)],
[(5, 0, 1.0)],
[(5, 1, 1.0)]]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, 0.0
, dx, 0.0, 0.0]
X = np.zeros((cp.n_dofs,), dtype = float)
X[1] = 0.01
print 'initial lengths\n', cp.c_lengths
print 'initial vectors\n', cp.c_vectors
print 'initial R\n', cp.get_G(X)
print 'initial G_du\n', cp.get_G_du(X)
X = cp.solve(X)
print '========== results =============='
print 'solution X\n', X
print 'final positions\n', cp.get_new_nodes(X)
print 'final vectors\n', cp.get_new_vectors(X)
print 'final lengths\n', cp.get_new_lengths(X)
return cp示例6: rhombus_3x3_crane
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
#.........这里部分代码省略.........
[60, 63],
[60, 64],
[58, 65],
[58, 66],
[61, 33],
[62, 34],
[63, 45],
[64, 46],
[65, 39],
[66, 40],
#crane 3
[67, 68],
[67, 69],
[68, 70],
[68, 71],
[69, 72],
[69, 73],
[67, 74],
[67, 75],
[70, 35],
[71, 36],
[72, 47],
[73, 48],
[74, 41],
[75, 42],
]
cp.crease_lines = np.vstack([cp.crease_lines, crane_cl])
cp.grab_pts = [[31, 0],
[32, 21],
[33, 1],
[34, 22],
[35, 2],
[36, 23],
[37, 3],
[38, 24],
[39, 4],
[40, 25],
[41, 5],
[42, 26],
[43, 6],
[44, 27],
[45, 7],
[46, 28],
[47, 8],
[48, 29]
]
cnstr_lhs_3 = [[(49, 2, 1.0)],
[(49, 0, 1.0)],
[(49, 1, 1.0), (67, 1, 1.0)],
[(49, 2, 1.0), (58, 2, -1.0)],
[(49, 2, 1.0), (67, 2, -1.0)],
[(49, 2, 1.0), (56, 2, -1.0)],
[(49, 2, 1.0), (57, 2, -1.0)],
[(49, 0, 1.0), (56, 0, -1.0)],
[(49, 0, 1.0), (57, 0, -1.0)],
[(50, 2, 1.0), (52, 2, -1.0)],示例7: rhombus_3x1_crane
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
#.........这里部分代码省略.........
[20, 23],
[19, 26],
[19, 27],
[21, 24],
[21, 25],
[13, 22],
[14, 23],
[15, 26],
[16, 27],
[17, 24],
[18, 25],
# [20, 8],
# [9, 21]
]
cp.facets = [[0, 2, 10],
[2, 4, 11],
[4, 6, 12],
[2, 11, 10],
[4, 11, 12],
[0, 8, 10],
[6, 9, 12],
[1, 3, 10],
[3, 5, 11],
[5, 7, 12],
[3, 10, 11],
[5, 11, 12],
[1, 8, 10],
[7, 9, 12]
]
#cp.line_pts = [[22, 26],
# [23, 27]]
cp.grab_pts = [[13, 0],
[14, 7],
[15, 1],
[16, 8],
[17, 2],
[18, 9]
]
cp.cnstr_lhs = [[(19, 2, 1.0)],
[(19, 1, 1.0)],
[(19, 0, 1.0)],
[(20, 1, 1.0)],
[(20, 2, 1.0)],
[(21, 1, 1.0)],
[(21, 2, 1.0)],
[(20, 0, 1.0), (22, 0, -1.0)],
[(20, 0, 1.0), (23, 0, -1.0)],
[(20, 2, 1.0), (22, 2, -1.0)],
[(20, 2, 1.0), (23, 2, -1.0)],
[(19, 0, 1.0), (26, 0, -1.0)],
[(19, 0, 1.0), (27, 0, -1.0)],
[(19, 2, 1.0), (26, 2, -1.0)],
[(19, 2, 1.0), (27, 2, -1.0)],
[(21, 0, 1.0), (24, 0, -1.0)],
[(21, 0, 1.0), (25, 0, -1.0)],
[(21, 2, 1.0), (24, 2, -1.0)],
[(21, 2, 1.0), (25, 2, -1.0)],
[(14, 1, 1.0), (16, 1, -1.0)],
#[(8, 2, 1.0)],
[(11, 1, 1.0)],
#[(9, 2, 1.0)],
[(11, 0, 1.0)],示例8: rhombus_3x2_crane
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def rhombus_3x2_crane(n_steps = 10, dx = 1):
"""
This example shows a 3x2 rhombus creasepattern.
"""
cpr = YoshimuraCreasePattern(n_steps = n_steps,
L_x = 3,
L_y = 2,
n_x = 3,
n_y = 4,
MAX_ITER = 5000)
X_rcp = cpr.generate_X0()
X_rcp = X_rcp.reshape((-1, 3))
X_rcp[:, 2] += -0.1559
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = cpr.nodes
cp.crease_lines = cpr.crease_lines
cp.facets = cpr.facets
grab_nodes = [[0.5, 0.333, 0],
[0.5, 0.667, 0],
[0.5, 1.333, 0],
[0.5, 1.667, 0],
[1.5, 0.333, 0],
[1.5, 0.667, 0],
[1.5, 1.333, 0],
[1.5, 1.667, 0],
[2.5, 0.333, 0],
[2.5, 0.667, 0],
[2.5, 1.333, 0],
[2.5, 1.667, 0]]#33
crane_nodes = [[1.5, 0.5, 1.0], #34
[0.5, 0.5, 1],
[2.5, 0.5, 1],
[0.5, 0.333, 1.0],
[0.5, 0.667, 1.0], #38
[2.5, 0.333, 1.0],
[2.5, 0.667, 1.0],
[1.5, 0.333, 1.0],
[1.5, 0.667, 1.0],
[1.5, 1.5, 1.0], #43
[0.5, 1.5, 1],
[2.5, 1.5, 1],
[0.5, 1.333, 1.0], #46
[0.5, 1.667, 1.0],
[2.5, 1.333, 1.0],
[2.5, 1.667, 1.0],
[1.5, 1.333, 1.0],
[1.5, 1.667, 1.0], #51
]
cp.nodes = np.vstack([cp.nodes, grab_nodes])
cp.nodes = np.vstack([cp.nodes, crane_nodes])
crane_cl = [#crane 1
[34, 35], #49
[34, 36],
[35, 37],
[35, 38],
[36, 39],
[36, 40],
[34, 41], #55
[34, 42],
[37, 22],
[38, 23], #60
[39, 30],
[40, 31],
[41, 26],
[42, 27],
#crane 2
[43, 44], #65
[43, 45],
[44, 46],
[44, 47],
[45, 48],
[45, 49],
[43, 50],
[43, 51],
[46, 24],
[47, 25],
[48, 32],
[49, 33],
[50, 28],
[51, 29],
]
cp.crease_lines = np.vstack([cp.crease_lines, crane_cl])
cp.grab_pts = [[22, 0],
[23, 14],
#.........这里部分代码省略.........
示例9: rhombus_3x1_grab_points
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def rhombus_3x1_grab_points(n_steps = 10, dx = 1.5):
"""
This example shows a 3x1 rhombus creasepattern.
In this creasepattern, the grabpoints lift up
in different speeds. So their must be new rules
defined for constrain setup.
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = [[0, 0, 0],
[0, 1, 0],
[1, 0, 0],
[1, 1, 0],
[2, 0, 0],
[2, 1, 0],
[3, 0, 0],
[3, 1, 0],
[0, 0.5, 0],
[3, 0.5, 0],
[0.5, 0.5, 0],
[1.5, 0.5, 0],
[2.5, 0.5, 0],
[0.5, 0.333, 0],
[0.5, 0.667, 0],
[1.5, 0.333, 0],
[1.5, 0.667, 0],
[2.5, 0.333, 0],
[2.5, 0.666, 0]
]
cp.crease_lines = [[0, 2],
[0, 8],
[0, 10],
[1, 3],
[1, 8],
[1, 10],
[2, 4],
[2, 10],
[2, 11],
[3, 5],
[3, 10],
[3, 11],
[4, 6],
[4, 11],
[4, 12],
[5, 7],
[5, 11],
[5, 12],
[6, 9],
[6, 12],
[7, 9],
[7, 12],
[8, 10],
[9, 12],
[10, 11],
[11, 12]]
cp.facets = [[0, 2, 10],
[2, 4, 11],
[4, 6, 12],
[2, 11, 10],
[4, 11, 12],
[0, 8, 10],
[6, 9, 12],
[1, 3, 10],
[3, 5, 11],
[5, 7, 12],
[3, 10, 11],
[5, 11, 12],
[1, 8, 10],
[7, 9, 12]
]
cp.grab_pts = [[13, 0],
[14, 7],
[15, 1],
[16, 8],
[17, 2],
[18, 9]
]
cp.cnstr_lhs = [[(8, 2, 1.0)],
[(9, 2, 1.0)],
[(8, 1, 1.0)],
#[(9, 1, 1.0)],
[(11, 0, 1.0)],
#[(8, 1, 1.0), (9, 1, -1.0)],
[(15, 2, 1.0)],
[(15, 2, 1.0), (16, 2, -1.0)],
[(13, 1, 1.0), (15, 1, -1.0)],
[(15, 1, 1.0), (17, 1, -1.0)],
[(14, 1, 1.0), (16, 1, -1.0)],
[(16, 1, 1.0), (18, 1, -1.0)],
[(13, 0, 1.0), (14, 0, -1.0)],
[(17, 0, 1.0), (18, 0, -1.0)],
[(13, 2, 1.0), (17, 2, -1.0)]
]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, dx, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
#.........这里部分代码省略.........
示例10: rhombus_2x3_grab_points
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
#.........这里部分代码省略.........
cp.facets = [[0, 4, 18],
[4, 8, 21],
[4, 18, 21],
[0, 12, 18],
[8, 15, 21],
[1, 5, 18],
[5, 9, 21],
[5, 18, 21],
[1, 12, 18],
[9, 15, 21],
[1, 5, 19],
[5, 9, 22],
[5, 19, 22],
[1, 13, 19],
[9, 16, 22],
[2, 6, 19],
[6, 10, 22],
[6, 19, 22],
[2, 13, 19],
[10, 16, 22],
[2, 6, 20],
[6, 10, 23],
[6, 20, 23],
[2, 14, 20],
[10, 17, 23],
[3, 7, 20],
[7, 11, 23],
[7, 20, 23],
[3, 14, 20],
[11, 17, 23]
]
cp.grab_pts = [[24, 0],
[25, 5],
[26, 10],
[27, 15],
[28, 20],
[29, 25],
[30, 1],
[31, 6],
[32, 11],
[33, 16],
[34, 21],
[35, 26]
]
cp.cnstr_lhs = [[(5, 0, 1.0)],
[(13, 1, 1.0)],
[(12, 2, 1.0)],
[(13, 2, 1.0)],
[(14, 2, 1.0)],
[(15, 2, 1.0)],
[(16, 2, 1.0)],
[(17, 2, 1.0)],
[(24, 2, 1.0)],
[(24, 2, 1.0), (25, 2, -1.0)],
[(24, 2, 1.0), (30, 2, -1.0)],
[(24, 2, 1.0), (31, 2, -1.0)],
[(24, 1, 1.0), (30, 1, -1.0)],
[(24, 0, 1.0), (25, 0, -1.0)],
[(24, 0, 1.0), (27, 0, -1.0)],
[(26, 1, 1.0), (32, 1, -1.0)],示例11: rhombus_2x2_grab_points
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def rhombus_2x2_grab_points(n_steps = 10, dx = 1.0):
"""
This example shows a 2x2 rhombus creasepattern.
It shows how a secon row stabilise the behavior
of the creasepattern, so the constrains on systempoints
can be reduced to a minimum.
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = [[0, 0, 0],
[0, 1, 0],
[0, 2, 0],
[1, 0, 0],
[1, 1, 0],
[1, 2, 0],
[2, 0, 0],
[2, 1, 0],
[2, 2, 0],
[0, 0.5, 0],
[0, 1.5, 0],
[2, 0.5, 0],
[2, 1.5, 0],
[0.5, 0.5, 0],
[0.5, 1.5, 0],
[1.5, 0.5, 0],
[1.5, 1.5, 0],
[0.5, 0.333, 0],
[0.5, 0.667, 0],
[0.5, 1.333, 0],
[0.5, 1.667, 0],
[1.5, 0.333, 0],
[1.5, 0.667, 0],
[1.5, 1.333, 0],
[1.5, 1.667, 0]
]
cp.crease_lines = [[0, 3],
[0, 9],
[0, 13],
[1, 4],
[1, 9],
[1, 10],
[1, 13],
[1, 14],
[2, 5],
[2, 10],
[2, 14],
[3, 6],
[3, 13],
[3, 15],
[4, 7],
[4, 13],
[4, 14],
[4, 15],
[4, 16],
[5, 8],
[5, 14],
[5, 16],
[6, 11],
[6, 15],
[7, 11],
[7, 12],
[7, 15],
[7, 16],
[8, 12],
[8, 16],
[9, 13],
[10, 14],
[11, 15],
[12, 16],
[13, 15],
[14, 16]]
cp.facets = [[0, 3, 13],
[3, 6, 15],
[3, 13, 15],
[0, 9, 13],
[6, 11, 15],
[1, 4, 13],
[4, 7, 15],
[4, 13, 15],
[1, 9, 13],
[7, 11, 15],
[1, 4, 14],
[4, 7, 16],
[4, 14, 16],
[1, 10, 14],
[7, 16, 12],
[2, 5, 14],
[5, 8, 16],
[5, 14, 16],
[2, 10, 14],
[8, 12, 16]
]
cp.grab_pts = [[17, 0],
[18, 5],
[19, 10],
[20, 15],
[21, 1],
#.........这里部分代码省略.........
示例12: two_rhombus_grab_points
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def two_rhombus_grab_points(n_steps = 10, dx = 1.0):
"""
This example shows a 2x1 rhombus creasepattern.
It shows how an enlargement of the creasepattern
can reduce constrains.
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = [[0, 0, 0],
[0, 1, 0],
[1, 0, 0],
[1, 1, 0],
[2, 0, 0],
[2, 1, 0],
[0, 0.5, 0],
[2, 0.5, 0],
[0.5, 0.5, 0],
[1.5, 0.5, 0],
[0.5, 0.333, 0],
[0.5, 0.667, 0],
[1.5, 0.333, 0],
[1.5, 0.667, 0]]
cp.crease_lines = [[0, 2],
[0, 6],
[0, 8],
[1, 3],
[1, 6],
[1, 8],
[2, 4],
[2, 8],
[2, 9],
[3, 5],
[3, 8],
[3, 9],
[4, 7],
[4, 9],
[5, 7],
[5, 9],
[6, 8],
[7, 9],
[8, 9]]
cp.facets = [[0, 2, 8],
[2, 4, 9],
[2, 8, 9],
[0, 6, 8],
[4, 7, 9],
[1, 3, 8],
[3, 5, 9],
[3, 8, 9],
[1, 6, 8],
[5, 7, 9]]
cp.grab_pts = [[10, 0],
[11, 5],
[12, 1],
[13, 6]]
cp.cnstr_lhs = [[(6, 1, 1.0)],
[(6, 2, 1.0)],
#[(7, 1, 1.0)],
#[(0, 1, 1.0), (2, 1, -1.0)],
[(7, 2, 1.0)],
[(2, 0, 1.0)],
# [(0, 1, 1.0), (2, 1, -1.0)],
#[(2, 2, 1.0), (3, 2, -1.0)],
[(10, 2, 1.0)],
[(10, 2, 1.0), (11, 2, -1.0)],
[(10, 2, 1.0), (12, 2, -1.0)],
[(10, 2, 1.0), (13, 2, -1.0)],
[(10, 0, 1.0), (11, 0, -1.0)],
[(10, 1, 1.0), (12, 1, -1.0)],
[(0, 1, 1.0), (2, 1, -1.0)]
#[(12, 0, 1.0), (13, 0, -1.0)]
]
# Working configuration
#
# cp.cnstr_lhs = [[(6, 1, 1.0)],
# [(6, 2, 1.0)],
# [(7, 1, 1.0)],
# [(7, 2, 1.0)],
# [(2, 0, 1.0)],
# [(0, 1, 1.0), (2, 1, -1.0)],
# [(2, 2, 1.0), (3, 2, -1.0)],
# [(10, 2, 1.0)],
# [(10, 2, 1.0), (11, 2, -1.0)],
# [(10, 2, 1.0), (12, 2, -1.0)],
# [(12, 2, 1.0), (13, 2, -1.0)]
# ]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, dx, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
X0 = np.zeros((cp.n_dofs,), dtype = float)
X0[2] = 0.0005
X0[5] = 0.0005
X0[14] = 0.0005
#.........这里部分代码省略.........
示例13: rhombus_3x3_crane
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def rhombus_3x3_crane(n_steps = 10, dx = 0.7):
"""
This example shows a 3x2 rhombus creasepattern.
"""
cpr = YoshimuraCreasePattern(n_steps = n_steps,
L_x = 3,
L_y = 3,
n_x = 3,
n_y = 6,
MAX_ITER = 5000)
X_rcp = cpr.generate_X0()
X_rcp = X_rcp.reshape((-1, 3))
X_rcp[:, 2] += -0.1559
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = cpr.nodes
cp.crease_lines = cpr.crease_lines
cp.facets = cpr.facets
grab_nodes = [[0.5, 0.333, 0], #31
[0.5, 0.667, 0],
[0.5, 1.333, 0],
[0.5, 1.667, 0],
[0.5, 2.333, 0], #35
[0.5, 2.667, 0],
[1.5, 0.333, 0],
[1.5, 0.667, 0],
[1.5, 1.333, 0],
[1.5, 1.667, 0],
[1.5, 2.333, 0],
[1.5, 2.667, 0],
[2.5, 0.333, 0],
[2.5, 0.667, 0],
[2.5, 1.333, 0], #45
[2.5, 1.667, 0],
[2.5, 2.333, 0],
[2.5, 2.667, 0]]#48
cp.nodes = np.vstack([cp.nodes, grab_nodes])
cp.grab_pts = [[31, 0],
[32, 21],
[33, 1],
[34, 22],
[35, 2],
[36, 23],
[37, 3],
[38, 24],
[39, 4],
[40, 25],
[41, 5],
[42, 26],
[43, 6],
[44, 27],
[45, 7],
[46, 28],
[47, 8],
[48, 29]
]
cnstr_lhs_3 = [[(31, 1, 1.0)],
[(31, 1, 1.0), (36, 1, 1.0)],
[(16, 2, 1.0)],
[(17, 2, 1.0)],
[(18, 2, 1.0)],
[(19, 2, 1.0)],
[(20, 2, 1.0)],
[(21, 2, 1.0)],
[(17, 1, 1.0)],
[(20, 1, 1.0)],
[(20, 0, 1.0)],
[(37, 1, 1.0), (42, 1, 1.0)],
[(31, 2, 1.0), (36, 2, -1.0)],
[(37, 2, 1.0), (42, 2, -1.0)],
[(43, 1, 1.0), (48, 1, 1.0)],
[(43, 2, 1.0), (48, 2, 1.0)],
[(33, 1, 1.0), (34, 1, 1.0)],
[(39, 1, 1.0), (40, 1, 1.0)],
[(45, 1, 1.0), (46, 1, 1.0)],
[(19, 0, 1.0), (21, 0, -1.0)],
[(1, 2, 1.0), (2, 0, -1.0)]
]
cp.cnstr_lhs = cnstr_lhs_3
cp.cnstr_rhs = np.zeros((cp.n_dofs,))
#.........这里部分代码省略.........
示例14: small_rhombus_grab_stick
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def small_rhombus_grab_stick(n_steps = 10, dx = 1.0):
"""
See small_rhombus_grab_points. System is only extended with some beams.
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = [[0, 0, 0],
[0, 1, 0],
[1, 0, 0],
[1, 1, 0],
[0, 0.5, 0],
[1, 0.5, 0],
[0.5, 0.5, 0],
[0.5, 0.45, 0],
[0.5, 0.55, 0],
[0.5, 0.5, 0.5]]
cp.crease_lines = [[0, 2],
[0, 4],
[0, 6],
[1, 3],
[1, 4],
[1, 6],
[2, 5],
[2, 6],
[3, 5],
[3, 6],
[4, 6],
[5, 6],
[7, 9],
[8, 9]]
cp.facets = [[0, 2, 6],
[0, 4, 6],
[2, 5, 6],
[1, 3, 6],
[1, 4, 6],
[3, 5, 6]]
cp.grab_pts = [[7, 0],
[8, 3]]
cp.cnstr_lhs = [[(4, 1, 1.0)],
[(5, 1, 1.0)],
[(4, 2, 1.0)],
[(5, 2, 1.0)],
[(6, 0, 1.0)],
[(0, 1, 1.0), (2, 1, -1.0)],
[(1, 1, 1.0), (3, 1, -1.0)],
[(9, 2, 1.0)],
[(9, 1, 1.0)],
[(9, 0, 1.0)]
]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, dx, 0.0, 0.0]
X0 = np.zeros((cp.n_dofs,), dtype = float)
X0[2] = 0.0001
X0[5] = 0.0001
X0[8] = 0.0001
X0[11] = 0.0001
X0[20] = 0.0002
X0[23] = 0.000167 # ! Anfangskonfiguration nicht zu ausgepraegt
X0[26] = 0.000167 # waehlen, grabpoints werden sonst abgehaengt
print 'G_du', cp.get_G_du(X0)
print 'R', cp.get_G(X0)
print 'L_vct', cp.grab_pts_L
print 'n_dofs', cp.n_dofs
print 'n_c', cp.n_c
print 'n_g', cp.n_g
print 'necessary constraints', cp.n_dofs - cp.n_c - cp.n_g * cp.n_d
print 'cnstr', len(cp.cnstr_lhs)
X = cp.solve(X0)
return cp示例15: small_rhombus_grab_points
# 需要导入模块: from oricrete.folding import CreasePattern [as 别名]
# 或者: from oricrete.folding.CreasePattern import grab_pts [as 别名]
def small_rhombus_grab_points(n_steps = 10, dx = 0.3333):
"""
This example shows a 1x1 rhombus creasepattern with grabpoinst for movement.
The creasepattern should give first rules for possible movements of the creasepattern
under a standard bearing. The Intetion is to hold the endpoints of the
middelline on an fixed z-plane and y-plane and to hold the system in one point in
x-direction. So it can lift up while the endpoints are moving against the point
fixed in x-direction.
Now their should be as many constrains as possible build up over the grabpoints.
"""
cp = CreasePattern(n_steps = n_steps, MAX_ITER = 500)
cp.nodes = [[0, 0, 0],
[0, 1, 0],
[1, 0, 0],
[1, 1, 0],
[0, 0.5, 0],
[1, 0.5, 0],
[0.5, 0.5, 0],
[0.5, 0.333, 0],
[0.5, 0.667, 0]]
cp.crease_lines = [[0, 2],
[0, 4],
[0, 6],
[1, 3],
[1, 4],
[1, 6],
[2, 5],
[2, 6],
[3, 5],
[3, 6],
[4, 6],
[5, 6]]
cp.facets = [[0, 2, 6],
[0, 4, 6],
[2, 5, 6],
[1, 3, 6],
[1, 4, 6],
[3, 5, 6]]
cp.grab_pts = [[7, 0],
[8, 3]]
cp.cnstr_lhs = [[(4, 1, 1.0)],
#[(5, 1, 1.0)],
[(4, 2, 1.0)],
[(5, 2, 1.0)],
[(6, 0, 1.0)],
[(0, 1, 1.0), (2, 1, -1.0)],
[(7, 1, 1.0), (8, 1, 1.0)],
#[(6, 2, 1.0)],
#[(6, 1, 1.0)]
[(7, 0, 1.0), (8, 0, -1.0)],
[(7, 2, 1.0)],
[(7, 2, 1.0), (8, 2, -1.0)]
]
cp.cnstr_rhs = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, dx, 0.0]
X0 = np.zeros((cp.n_dofs,), dtype = float)
X0[2] = 0.0001
X0[5] = 0.0001
X0[8] = 0.0001
X0[11] = 0.0001
X0[20] = 0.0002
X0[23] = 0.000167 # ! Anfangskonfiguration nicht zu ausgepraegt
X0[26] = 0.000167 # waehle, grabpoints werden sonst abgehaengt
print 'G_du', cp.get_G_du(X0)
print 'R', cp.get_G(X0)
print 'L_vct', cp.grab_pts_L
print 'n_dofs', cp.n_dofs
print 'n_c', cp.n_c
print 'n_g', cp.n_g
print 'necessary constraints', cp.n_dofs - cp.n_c - cp.n_g * cp.n_d
print 'cnstr', len(cp.cnstr_lhs)
X = cp.solve(X0)
return cp