def test_approximate(self):
#my_surface = approximate_surface(pts)
p1, p2, p3, p4, p5 = Point(0, 0, 0), Point(0, 10, 0), Point(
0, 10, 10), Point(0, 0, 10), Point(5, 5, 5)
poly = BRepBuilderAPI_MakePolygon()
map(poly.Add, [p1, p2, p3, p4, p1])
poly.Build()
my_surf = build_plate([poly], [Point(-1, -1, -1)])
sh = my_surf.Shape()
display.DisplayShape(sh)
def make_closed_polygon(*args):
poly = BRepBuilderAPI_MakePolygon()
for pt in args:
if isinstance(pt, list) or isinstance(pt, tuple):
for i in pt:
poly.Add(i)
else:
poly.Add(pt)
poly.Build()
poly.Close()
result = poly.Wire()
return result
def approximate(self):
'''make a boundary representation of a surface that approximates the points'''
self.make_bounding_box()
#make the bounding box into a polygon
poly = BRepBuilderAPI_MakePolygon()
map(poly.Add, [
self.bottom_left, self.bottom_right, self.top_left, self.top_right
])
poly.Build()
self.polygons = [poly]
my_surf = build_plate(self.polygons, self.points)
self.shape = my_surf.Shape()
display.DisplayShape(self.shape)
def make_closed_polygon(*args):
poly = BRepBuilderAPI_MakePolygon()
for pt in args:
if isinstance(pt, list) or isinstance(pt, tuple):
for i in pt:
poly.Add(i)
else:
poly.Add(pt)
poly.Build()
poly.Close()
with assert_isdone(poly, 'failed to produce wire'):
result = poly.Wire()
return result
def make_polygon(pyptlist):
array = []
for pt in pyptlist:
array.append(gp_Pnt(pt[0], pt[1], pt[2]))
poly = BRepBuilderAPI_MakePolygon()
map(poly.Add, array)
poly.Build()
poly.Close()
wire = poly.Wire()
occface = BRepBuilderAPI_MakeFace(wire)
return occface.Face()
def make_wire(pyptlist):
'''
if you want a close wire, make sure the pts the first pts too
'''
array = []
for pt in pyptlist:
array.append(gp_Pnt(pt[0], pt[1], pt[2]))
poly = BRepBuilderAPI_MakePolygon()
map(poly.Add, array)
poly.Build()
wire = poly.Wire()
return wire
def make_polygon(args, closed=False):
poly = BRepBuilderAPI_MakePolygon()
for pt in args:
# support nested lists
if isinstance(pt, list) or isinstance(pt, tuple):
for i in pt:
poly.Add(i)
else:
poly.Add(pt)
if closed:
poly.Close()
poly.Build()
with assert_isdone(poly, 'failed to produce wire'):
result = poly.Wire()
return result