def preview(self, inp, direction):
if self.step == 0:
self.previous_data = [inp]
return [BRepBuilderAPI.BRepBuilderAPI_MakeVertex(inp).Vertex()]
elif self.step == 1:
point0 = self.previous_data[0]
point1 = inp
# checking if the previous points are identical: This is necessary
# before continuing in order to avoid a crash on Windows
if point0 == point1:
raise InvalidInputException
dirvec = vec(0, 0, 0)
dirvec[direction] = 1
axis = gp.gp_Ax2(point0, dirvec.to_gp_Dir())
d = point0 - inp
d[direction] = 0
dist = d.length()
a = Geom.Geom_Circle(axis, dist).GetHandle()
b = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(a).Edge()
c = BRepBuilderAPI.BRepBuilderAPI_MakeWire(b).Wire()
d = BRepBuilderAPI.BRepBuilderAPI_MakeFace(c).Face()
self._final = [d]
return self._final
def make_spherical_lens2(CT1, CT2, diameter,
curvature1, curvature2,
centre, direction, x_axis):
cax = gp.gp_Ax2(gp.gp_Pnt(0,0,CT1-curvature1),
gp.gp_Dir(0,sign(curvature1),0),
gp.gp_Dir(1,0,0))
circ = Geom.Geom_Circle(cax, abs(curvature1))
h_circ = Geom.Handle_Geom_Circle(circ)
cax2 = gp.gp_Ax2(gp.gp_Pnt(0,0,CT2-curvature2),
gp.gp_Dir(0,-sign(curvature2),0),
gp.gp_Dir(1,0,0))
circ2 = Geom.Geom_Circle(cax2, abs(curvature2))
h_circ2 = Geom.Handle_Geom_Circle(circ2)
r = diameter/2.
h2 = CT1 - curvature1 + numpy.sqrt(curvature1**2 - r**2)*sign(curvature1)
h3 = CT2 - curvature2 + numpy.sqrt(curvature2**2 - r**2)*sign(curvature2)
p1 = gp.gp_Pnt(0,0,CT1)
p2 = gp.gp_Pnt(r,0,h2)
p3 = gp.gp_Pnt(r,0,h3)
p4 = gp.gp_Pnt(0,0,CT2)
e1 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(h_circ, p1, p2)
e2 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(p2,p3)
e3 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(h_circ2, p3,p4)
e4 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(p4,p1)
wire = BRepBuilderAPI.BRepBuilderAPI_MakeWire()
for e in (e1,e2,e3,e4):
print(e)
wire.Add(e.Edge())
face = BRepBuilderAPI.BRepBuilderAPI_MakeFace(wire.Wire())
ax = gp.gp_Ax1(gp.gp_Pnt(0,0,0),
gp.gp_Dir(0,0,1))
solid = BRepPrimAPI.BRepPrimAPI_MakeRevol(face.Shape(), ax)
return position_shape(toshape(solid), centre, direction, x_axis)
def make_spherical_lens(CT, diameter, curvature,
centre, direction, x_axis):
cax = gp.gp_Ax2(gp.gp_Pnt(0,0,CT-curvature),
gp.gp_Dir(0,1,0),
gp.gp_Dir(1,0,0))
circ = Geom.Geom_Circle(cax, curvature)
h_circ = Geom.Handle_Geom_Circle(circ)
r = diameter/2.
h2 = CT - curvature + numpy.sqrt(curvature**2 - r**2)
p1 = gp.gp_Pnt(0,0,CT)
p2 = gp.gp_Pnt(r,0,h2)
p3 = gp.gp_Pnt(r,0,0)
p4 = gp.gp_Pnt(0,0,0)
#ps = p1,p2,p3,p4
#vs = [BRepBuilderAPI.BRepBuilderAPI_MakeVertex(p) for p in ps]
e1 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(h_circ, p1,
p2)
e2 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(p2,p3)
e3 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(p3,p4)
e4 = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(p4,p1)
wire = BRepBuilderAPI.BRepBuilderAPI_MakeWire()
for e in (e1,e2,e3,e4):
print(e)
wire.Add(e.Edge())
face = BRepBuilderAPI.BRepBuilderAPI_MakeFace(wire.Wire())
ax = gp.gp_Ax1(gp.gp_Pnt(0,0,0),
gp.gp_Dir(0,0,1))
solid = BRepPrimAPI.BRepPrimAPI_MakeRevol(face.Shape(), ax)
return position_shape(toshape(solid), centre, direction, x_axis)
from OCC import Geom, BRepBuilderAPI, gp from viewer import view import numpy curvature = 50.0 ax = gp.gp_Ax2(gp.gp_Pnt(0, 0, 0), gp.gp_Dir(0, 1, 0), gp.gp_Dir(1, 0, 0)) circ = Geom.Geom_Circle(ax, curvature) h_circ = Geom.Handle_Geom_Circle(circ) angle = 1.3 p1 = gp.gp_Pnt(0, 0, curvature) p2 = gp.gp_Pnt(curvature, 0, 0) edge = BRepBuilderAPI.BRepBuilderAPI_MakeEdge(h_circ, p1, p2) view(edge.Shape())