def __init__(self, coords=[],shifting=[], outer_box = [], sc = True):
"""bbox(coords:[float list, float list], shifting:float list,
outer_box:[float list, float list], sc:bool).
Creates a box given the coordinates of the lower-left and
upper_right vertices. The box is shifted to the position
shifting wrt the origin of coordinates system.
If sc = False, the shift is wrt the centre of the box.
"""
mesh_obj.__init__(self)
if coords == [] and shifting != []: # only shifting is given
tmp0_list = []
tmp1_list = []
for i in range(len(shifting)):
tmp0_list.append(0.0)
tmp1_list.append(1.0)
coords = [tmp0_list, tmp1_list]
elif coords != [] and shifting == []: # only coords is given
for i in range(len(coords[0])):
shifting.append(0.0)
elif coords == [] and shifting == []: # default: 2D
tmp0_list = []
tmp1_list = []
for i in range(2):
tmp0_list.append(0.0)
tmp1_list.append(1.0)
shifting.append(0.0)
coords = [tmp0_list, tmp1_list]
else:
pass
print "box"
print coords, shifting
if sc: # system coordinates
self.obj.append(ocaml.body_shifted_sc(ocaml.body_box(coords[0],coords[1]),shifting))
else: # body coordinates
self.obj.append(ocaml.body_shifted_bc(ocaml.body_box(coords[0],coords[1]),shifting))
min_coords = [] # create bounding box
max_coords = []
for i in range(len(shifting)):
if outer_box == []:
min_coords.append(min(coords[0][i]+shifting[i],coords[1][i]+shifting[i]))
max_coords.append(max(coords[0][i]+shifting[i],coords[1][i]+shifting[i]))
else:
min_coords.append(min(coords[0][i]+shifting[i],coords[1][i]+shifting[i], outer_box[0][i], outer_box[1][i]))
max_coords.append(max(coords[0][i]+shifting[i],coords[1][i]+shifting[i],outer_box[0][i], outer_box[1][i]))
self.bbox = [min_coords, max_coords] # update bounding box
print "bbox"
print self.bbox
print "box.\n"
def __init__(self, coords, transform=[], fixed_points=[], sc = True):
"""box(
coords:[float list, float list],
transform:(string, transformation_data) list,
fixed_points: float list list ,
sc:bool
).
Creates a box given the coordinates of the lower-left and
upper_right vertices. The box is transformed following the order
of the transformations specified in the transform list.
Calling ai (i = 1,2,...) the axis of the space where the object is
defined, examples of these transformations are:
- ("shift", [a1,a2,a3,..])
- ("scale", [a1,a2,a3,...])
- ("rotate", [a1,a2], phi)
- ("rotate2d", phi)
- ("rotate3d", [a1,a2,a3], phi)
If sc = False the transformations are made wrt the body coordinates,
wrt the system coordinates otherwise.
"""
dim = len(coords[0])
mesh_obj.__init__(self, dim, fixed_points)
print "create box"
self.obj = ocaml.body_box(coords[0],coords[1])
self.transformations(transform,sc)
