def make_Wire_pts(self, dat=[], axs=gp_Ax3()):
num = dat.shape
pts = []
if num[1] == 2:
for p in dat:
pts.append(gp_Pnt(p[0], p[1], 0))
elif num[1] == 3:
for p in dat:
pts.append(gp_Pnt(p[0], p[1], p[2]))
else:
for p in dat:
pts.append(gp_Pnt(p[0], p[1], p[2]))
pts = np.array(pts)
#cov = ConvexHull(pts, qhull_options='QJ')
#pts_ord = []
# print(cov)
# print(cov.simplices)
# print(cov.vertices)
# for idx in cov.vertices:
# print(idx, pnt[idx])
# pts_ord.append(gp_Pnt(*pnt[idx]))
#poly = make_polygon(pts_ord)
poly = make_polygon(pts)
poly.Location(set_loc(gp_Ax3(), axs))
#n_sided = BRepFill_Filling()
# for e in Topo(poly).edges():
# n_sided.Add(e, GeomAbs_C0)
# n_sided.Build()
#face = n_sided.Face()
return poly
def make_StarWire(self,
num=5,
radi=[2.0, 1.0],
shft=0.0,
axs=gp_Ax3(),
skin=None):
lxy = radi
pnts = []
angl = 360 / num
for i in range(num):
a_thet = np.deg2rad(i * angl) + np.deg2rad(shft)
ax, ay = radi[0] * np.sin(a_thet), radi[0] * np.cos(a_thet)
pnts.append(gp_Pnt(ax, ay, 0))
b_thet = a_thet + np.deg2rad(angl) / 2
bx, by = radi[1] * np.sin(b_thet), radi[1] * np.cos(b_thet)
pnts.append(gp_Pnt(bx, by, 0))
pnts.append(pnts[0])
poly = make_polygon(pnts)
poly.Location(set_loc(gp_Ax3(), axs))
n_sided = BRepFill_Filling()
for e in Topo(poly).edges():
n_sided.Add(e, GeomAbs_C0)
n_sided.Build()
face = n_sided.Face()
if skin == None:
return poly
elif skin == 0:
return face
else:
solid = BRepOffset_MakeOffset(face, skin, 1.0E-5, BRepOffset_Skin,
False, True, GeomAbs_Arc, True, True)
return solid.Shape()
def export_file(self):
builder = BRep_Builder()
compound = TopoDS_Compound()
builder.MakeCompound(compound)
builder.Add(compound, self.b1)
builder.Add(compound, self.b2)
builder.Add(compound, make_polygon(self.pts))
self.export_stp(compound)
def export_file(self):
builder = BRep_Builder()
compound = TopoDS_Compound()
builder.MakeCompound(compound)
builder.Add(compound, self.b1)
builder.Add(compound, self.b2)
builder.Add(compound, make_polygon(self.pts))
write_step_file(compound, "./tmp/test.stp")
def make_PolyWire(self, num=6, radi=1.0, shft=0.0, axs=gp_Ax3()):
lxy = radi - 0.1
pnts = []
angl = 360 / num
for i in range(num):
thet = np.deg2rad(i * angl) + np.deg2rad(shft)
x, y = radi * np.sin(thet), radi * np.cos(thet)
pnts.append(gp_Pnt(x, y, 0))
pnts.append(pnts[0])
poly = make_polygon(pnts)
poly.Location(set_loc(gp_Ax3(), axs))
return poly
def make_PolyPlane(self, num=6, radi=1.0, shft=0.0, axs=gp_Ax3()):
lxy = radi - 0.1
pnts = []
angl = 360 / num
for i in range(num):
thet = np.deg2rad(i * angl) + np.deg2rad(shft)
x, y = radi * np.sin(thet), radi * np.cos(thet)
pnts.append(gp_Pnt(x, y, 0))
pnts.append(pnts[0])
poly = make_polygon(pnts)
brep = BRepBuilderAPI_MakeFace(gp_Pln(), poly)
brep.Add(poly)
face = brep.Face()
face.Location(set_loc(gp_Ax3(), axs))
return face
def run_beam(self, beam=gp_Ax3()):
pts = [beam.Location()]
print(beam.Location(), dir_to_vec(beam.Direction()))
beam = self.Reflect(beam, self.surf1.face)
pts.append(beam.Location())
print(beam.Location(), dir_to_vec(beam.Direction()))
beam = self.Reflect(beam, self.surf2.face)
pts.append(beam.Location())
pnt = move_pnt_to_dir(beam, 2500)
pts.append(pnt)
beam_ray = make_polygon(pts)
return beam, beam_ray
def make_PolySurf(self, num=6, radi=1.0, shft=0.0, axs=gp_Ax3()):
lxy = radi - 0.1
pnts = []
angl = 360 / num
for i in range(num):
thet = np.deg2rad(i * angl) + np.deg2rad(shft)
x, y = radi * np.sin(thet), radi * np.cos(thet)
pnts.append(gp_Pnt(x, y, 0))
pnts.append(pnts[0])
poly = make_polygon(pnts)
proj = BRepProj_Projection(poly, self.surf, gp_Pnt(0, 0, 10))
# print(proj.Current())
brep = BRepBuilderAPI_MakeFace(self.surf, poly)
# brep.Add(poly)
face = brep.Face()
face.Location(set_loc(gp_Ax3(), axs))
return face
def __init__(self):
plotocc.__init__(self)
print(gxyz.shape)
for i, xyz in enumerate(gxyz):
print(i, *xyz)
self.display.DisplayShape(gp_Pnt(*xyz))
e_array = []
for e in xyz_max:
x, y, z = e
e = gp_Pnt(float(x), float(y), float(z))
e_array.append(e)
e_array.append(e_array[0])
poly = make_polygon(e_array)
n_sided = BRepFill_Filling()
for e in Topo(poly).edges():
n_sided.Add(e, GeomAbs_C0)
for pt in gxyz:
x, y, z = pt
if (x < xmax) and (x > xmin) and (y < ymax) and (y > ymin) and (
z < zmax) and (z > zmin):
n_sided.Add(gp_Pnt(x, y, z))
n_sided.Build()
face = n_sided.Face()
#face = make_n_sided(edges, p_array)
# THICKEN SURFACE
thickness = 0.15
solid = BRepOffset_MakeOffset(face, thickness, 1.0E-5, BRepOffset_Skin,
False, False, GeomAbs_Intersection, True)
# The last True is important to make solid
# solid.MakeOffsetShape()
# solid.MakeThickSolid()
#aShape = solid.Shape()
self.display.DisplayShape(poly)
self.display.DisplayShape(face)
#display.DisplayShape(aShape, update=True)
#write_step_file(aShape, "./tmp/gyroid.stp")
self.export_stp(solid.Shape())
def __init__(self, meta={"name": "name"}):
super().__init__()
self.meta = meta
self.name = meta["name"]
if "axs" in meta.keys():
pnt = gp_Pnt(*meta["axs"]["xyz"])
dir_x = gp_Dir(*meta["axs"]["dir_x"])
dir_y = gp_Dir(*meta["axs"]["dir_y"])
dir_z = gp_Dir(*meta["axs"]["dir_z"])
self.axs = gp_Ax3(pnt, dir_z, dir_x)
else:
self.axs = gp_Ax3()
self.dat = np.loadtxt(basepath + "model_dat.txt")
self.pts = []
for xyz in self.dat:
self.pts.append(gp_Pnt(*xyz))
self.rim = make_polygon(self.pts, closed=True)
def compute_trajectory(self, t0=0.0, t1=100):
r = ode(self.newton).set_integrator('dopri5')
r.set_initial_value(self.initial_conditions, t0)
positions = []
t1 = 10
dt = 0.01
while r.successful() and r.t < t1:
txt = "{:03.2f} / {:03.2f} ".format(r.t, t1)
txt += "| {:03.2f} {:03.2f} {:03.2f} ".format(*r.y[:3])
txt += "| {:03.2f} {:03.2f} {:03.2f} ".format(*r.y[3:])
sys.stdout.write("\r" + txt)
sys.stdout.flush()
#r.set_f_params(m, q, 1.0, self.e_of_x(r.y[0]))
r.integrate(r.t + dt)
self.pts.append(gp_Pnt(*r.y[:3]))
print()
poly = make_polygon(self.pts)
self.display.DisplayShape(poly)
for pnt in self.pts[::20]:
self.display.DisplayShape(pnt)
def compute_trajectory(self, t0=0.0, t1=10.0):
self.r = ode(self.newton).set_integrator('dopri5')
self.r.set_initial_value(self.initial_conditions, t0)
positions = []
self.dt = 0.5
self.pts, self.vel = [], []
while self.r.successful() and self.r.t < t1:
txt = "{:03.2f} / {:03.2f} ".format(self.r.t, t1)
txt += "| {:03.2f} {:03.2f} {:03.2f} ".format(*self.r.y[:3])
txt += "| {:03.2f} {:03.2f} {:03.2f} ".format(*self.r.y[3:])
sys.stdout.write("\r" + txt)
sys.stdout.flush()
self.pts.append(gp_Pnt(*self.r.y[:3]))
self.vel.append(gp_Vec(*self.r.y[3:]))
self.check_ground()
self.r.integrate(self.r.t + self.dt)
print()
poly = make_polygon(self.pts)
self.display.DisplayShape(poly)
for pnt in self.pts[::10]:
self.display.DisplayShape(pnt)
self.display.DisplayShape(self.grd, transparency=0.8, color="BLUE")
def make_FaceByOrder(self, pts=[]):
pnt = []
for p in pts:
pnt.append([p.X(), p.Y(), p.Z()])
pnt = np.array(pnt)
cov = ConvexHull(pnt, qhull_options='QJ')
#pts_ord = []
# print(cov)
# print(cov.simplices)
# print(cov.vertices)
# for idx in cov.vertices:
# print(idx, pnt[idx])
# pts_ord.append(gp_Pnt(*pnt[idx]))
#poly = make_polygon(pts_ord)
poly = make_polygon(pts)
n_sided = BRepFill_Filling()
for e in Topo(poly).edges():
n_sided.Add(e, GeomAbs_C0)
n_sided.Build()
face = n_sided.Face()
return face
def load_rim(self, rimfile="pln.rim"):
data = np.loadtxt(rimfile, skiprows=2)
pts = []
for xy in data:
pts.append(gp_Pnt(*xy, 0))
self.rim = make_polygon(pts, closed=True)
pts = []
for xyz in dat + [pts[0]]:
pts.append(gp_Pnt(*xyz))
face = plotocc.make_FaceByOrder(pts)
if __name__ == '__main__':
obj = plotocc()
ax1 = gp_Ax3()
pt1 = np.loadtxt(obj.rootname + "_pln1.txt")
print(pt1)
pts = []
for xyz in pt1 + [pt1[0]]:
pts.append(gp_Pnt(*xyz))
br1 = make_polygon(pts, closed=True)
br1.Location(set_loc(gp_Ax3(), ax1))
fc1 = obj.make_FaceByOrder(pts)
fc1.Location(set_loc(gp_Ax3(), ax1))
print(fc1)
obj.display.DisplayShape(br1)
obj.display.DisplayShape(fc1)
ax2 = gp_Ax3()
ax2.SetLocation(gp_Pnt(0, 0, 25))
pt2 = np.loadtxt(obj.rootname + "_pln2.txt")
print(pt2)
pts = []
for xyz in pt2 + [pt2[0]]:
pts.append(gp_Pnt(*xyz))
br2 = make_polygon(pts, closed=True)
def show_pts(self, pts=[gp_Pnt()], num=1):
for p in pts[::num]:
self.display.DisplayShape(p)
self.display.DisplayShape(make_polygon(pts))
parser = OptionParser()
parser.add_option("--dir", dest="dir", default="./")
parser.add_option("--pxyz", dest="pxyz",
default=[0.0, 0.0, 0.0], type="float", nargs=3)
opt, argc = parser.parse_args(argvs)
print(opt, argc)
obj = plotocc(touch=True)
dae_data = uiuc_database()
axs = gp_Ax3()
uic = "dae51"
pnt = gp_Pnt(0, 10, 0)
ax1 = gp_Ax3(pnt, axs.YDirection(),
axs.XDirection().Reversed())
ui1 = make_polygon([gp_Pnt(*100 * xy, 0)
for xy in uiuc_database(uic)], closed=True)
ui1.Location(set_loc(gp_Ax3(), ax1))
obj.display.DisplayShape(ui1)
obj.display.DisplayMessage(pnt, uic)
uic = "geminism"
pnt = gp_Pnt(0, 20, 0)
ax1.SetLocation(pnt)
ui1 = make_polygon([gp_Pnt(*100 * xy, 0)
for xy in uiuc_database(uic)], closed=True)
ui1.Location(set_loc(gp_Ax3(), ax1))
obj.display.DisplayShape(ui1)
obj.display.DisplayMessage(pnt, uic)
uic = "naca0006"
pnt = gp_Pnt(0, 30, 0)
def get_aligned_boundingbox_ratio(shape, tol=1e-6, optimal_BB=True, ratio=1):
""" return the bounding box of the TopoDS_Shape `shape`
Parameters
----------
shape : TopoDS_Shape or a subclass such as TopoDS_Face
the shape to compute the bounding box from
tol: float
tolerance of the computed boundingbox
use_triangulation : bool, True by default
This makes the computation more accurate
ratio : float, 1.0 by default.
Returns
-------
if `as_pnt` is True, return a tuple of gp_Pnt instances
for the lower and another for the upper X,Y,Z values representing the bounding box
if `as_pnt` is False, return a tuple of lower and then upper X,Y,Z values
representing the bounding box
"""
bbox = Bnd_Box()
bbox.SetGap(tol)
# note: useTriangulation is True by default, we set it explicitely, but t's not necessary
if optimal_BB:
use_triangulation = True
use_shapetolerance = True
brepbndlib_AddOptimal(shape, bbox, use_triangulation,
use_shapetolerance)
else:
brepbndlib_Add(shape, bbox)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
dx, mx = (xmax - xmin) * ratio, (xmax + xmin) / 2
dy, my = (ymax - ymin) * ratio, (ymax + ymin) / 2
dz, mz = (zmax - zmin) * ratio, (zmax + zmin) / 2
x0, x1 = mx - dx / 2, mx + dx / 2
y0, y1 = my - dy / 2, my + dy / 2
z0, z1 = mz - dz / 2, mz + dz / 2
corner1 = gp_Pnt(x0, y0, z0)
corner2 = gp_Pnt(x1, y1, z1)
center = midpoint(corner1, corner2)
rim0 = make_polygon([
gp_Pnt(x0, y0, z0),
gp_Pnt(x1, y0, z0),
gp_Pnt(x1, y1, z0),
gp_Pnt(x0, y1, z0)
],
closed=True)
rim1 = make_polygon([
gp_Pnt(x0, y0, z1),
gp_Pnt(x1, y0, z1),
gp_Pnt(x1, y1, z1),
gp_Pnt(x0, y1, z1)
],
closed=True)
api = BRepOffsetAPI_ThruSections(True, False, 1.0E-9)
api.AddWire(rim0)
api.AddWire(rim1)
box_shp = api.Shape()
#box_shp = BRepPrimAPI_MakeBox(corner1, corner2).Shape()
return center, [dx, dy, dz], box_shp
px = np.linspace(-1, 1, 100) * 300
py = np.linspace(-1, 1, 100) * 300
mesh = np.meshgrid(px, py)
data1 = mesh[0]**2 / 2000 + mesh[1]**2 / 1000
px = np.linspace(-1, 1, 25) * 150
py = np.linspace(-1, 1, 25) * 150
mesh = np.meshgrid(px, py)
data2 = mesh[0]**2 / 1000 + mesh[1]**2 / 2000
pts = []
pts.append(gp_Pnt(-50, -60, 0))
pts.append(gp_Pnt(-60, +70, 0))
pts.append(gp_Pnt(+70, +80, 0))
pts.append(gp_Pnt(+80, -90, 0))
poly = make_polygon(pts, closed=True)
axis1 = gp_Ax3(gp_Pnt(-150, +50.0, 0.0), gp_Dir(0, 0, 1))
surf1, face1 = spl_face(*mesh, data1, axs=axis1)
poly1 = poly.Located(set_loc(gp_Ax3(), axis1))
poly1_proj = obj.proj_rim_pln(poly1, face1, axis1)
print(face1)
#split = BRepFeat_SplitShape(face1)
#split.Add(poly1_proj, face1)
# split.Build()
#surf1_trim1 = split.Left()
#surf1_trim2 = split.DirectLeft()
# print(split.Check())
#print(surf1_trim1.Size(), surf1_trim2.Size())
if __name__ == '__main__':
argvs = sys.argv
parser = argparse.ArgumentParser()
parser.add_argument("--dir", dest="dir", default="./")
parser.add_argument("--pxyz",
dest="pxyz",
default=[0.0, 0.0, 0.0],
type=float,
nargs=3)
opt = parser.parse_args()
print(opt, argvs)
obj = dispocc(touch=True)
torus = obj.make_torus(gp_Ax3(), r0=3000, r1=2000)
beam0 = gp_Ax3(gp_Pnt(7500, 1100, 0), gp_Dir(-1, 0, 0.1),
gp_Dir(0, 0.1, 1))
beam1 = obj.run_beam_face(beam0, torus, tr=1)
pts = [beam0.Location(), beam1.Location()]
for i in range(100):
beam1 = obj.run_beam_face(beam1, torus, tr=0)
pts.append(beam1.Location())
ray = make_polygon(pts)
obj.show_axs_pln(beam0, scale=100)
obj.show_axs_pln(beam1, scale=100)
obj.display.DisplayShape(torus, color="BLUE", transparency=0.9)
obj.display.DisplayShape(ray)
obj.show_axs_pln()
obj.show()