def AddCone(BasePoint, Radius, height, direction=gp_Dir(1, 0, 0)):
"""Generates a cone shape originating at BasePoint with base Radius
and height (points in the direction of input 'direction)
Parameters
----------
BasePoint : OCC.gp.gp_Pnt or array length 3
The centre base point
Radius : scalar
Cone base radius
height : scalar
Cone height
direction : OCC.gp.gp_Dir (default: positive x direction)
the direction of the cones axis i.e. normal to the base:
defaults to x axis
Returns
-------
shape : TopoDS_Shape
The generated Cone
"""
try:
BasePoint = gp_Pnt(*BasePoint)
except:
pass
ax2 = gp_Ax2(BasePoint, direction)
cone = BRepPrimAPI_MakeCone(ax2, Radius, 0, height)
return cone.Shape()
def do_cone():
axe = gp_Ax2()
axe.SetLocation(gp_Pnt((random_vec() * scope).XYZ()))
axe.SetDirection(gp_Dir(random_vec()))
cone = BRepPrimAPI_MakeCone(
axe,
0, #random.uniform(0,), # r1
random.uniform(10, 30), # r2
random.uniform(30, 1500), # h
)
return cone.Shape()
def mounting_holes(base):
result = base
for i in range(0, mounting_hole_count):
center = gp_Pnt(
cos(i * M_PI / 3) * mounting_radius,
sin(i * M_PI / 3) * mounting_radius, 0.0)
center_axis = gp_Ax2(center, gp_DZ())
cylinder = BRepPrimAPI_MakeCylinder(center_axis, hole_radius,
thickness).Shape()
result = BRepAlgoAPI_Cut(result, cylinder).Shape()
cone = BRepPrimAPI_MakeCone(center_axis, hole_radius + thickness / 2.,
hole_radius, thickness / 2.)
result = BRepAlgoAPI_Cut(result, cone.Shape()).Shape()
return result
def makeCone(cls,
radius1,
radius2,
height,
pnt=Vector(0, 0, 0),
dir=Vector(0, 0, 1),
angleDegrees=360):
"""
Make a cone with given radii and height
By default pnt=Vector(0,0,0),
dir=Vector(0,0,1) and angle=360'
"""
return cls(
BRepPrimAPI_MakeCone(gp_Ax2(pnt.toPnt(),
dir.toDir()), radius1, radius2, height,
angleDegrees * DEG2RAD).Shape())
def create_shape(self):
d = self.declaration
args = [d.axis, d.radius, d.radius2, d.height]
if d.angle:
args.append(d.angle)
self.shape = BRepPrimAPI_MakeCone(*args)
# building bushing shape Btap = BRepPrimAPI_MakeCylinder(BOR,BTL).Shape() p = gp_Ax2(gp_Pnt(0,0,BTL),gp_DZ()) # placement Bcore = BRepPrimAPI_MakeCylinder(p,BCR,BCL).Shape() p = gp_Ax2(gp_Pnt(0,0,BTL+BCL),gp_DZ()) # placement Bhead = BRepPrimAPI_MakeCylinder(p,BOR,BHL).Shape() bushing = BRepAlgoAPI_Fuse(Btap, Bcore).Shape() bushing = BRepAlgoAPI_Fuse(bushing, Bhead).Shape() # adding composite insulators to shape BIinit = BTL+float(BIrem)/2+BIS # initial height for first cone for i in range(0,BIno): Bconez = BIinit + i*BIHPack # local height for cones p = gp_Ax2(gp_Pnt(0,0,Bconez),gp_DZ()) # placement BconeLg = BRepPrimAPI_MakeCone(p,BIRLg,BCR,BIHLg).Shape() bushing = BRepAlgoAPI_Fuse(bushing, BconeLg).Shape() p = gp_Ax2(gp_Pnt(0,0,Bconez+BIHLg+BIS),gp_DZ()) # placement BconeSm = BRepPrimAPI_MakeCone(p,BIRSm,BCR,BIHSm).Shape() bushing = BRepAlgoAPI_Fuse(bushing, BconeSm).Shape() BSIN = BOR*math.sin(math.radians(BA)) ; BCOS = BOR*math.cos(math.radians(BA)) # create and set up transformation for leftBush ltrsf = gp_Trsf() ltrsf.SetRotation(gp_Ax1(gp_Pnt(0,0,0),gp_Dir(1,0,0)),math.radians(BA)) leftBush = BRepBuilderAPI_Transform(bushing, ltrsf).Shape() ltrsf.SetTranslation(gp_Vec(BIn+BOR,float(TW)/2-BS-BCOS,TH-BSIN)) leftBush = BRepBuilderAPI_Transform(leftBush, ltrsf).Shape() leftBush = BRepAlgoAPI_Cut(leftBush,tank).Shape() # cut common part of bushing and tank
from OCC.Display.SimpleGui import init_display
from OCC.BRepPrimAPI import BRepPrimAPI_MakeBox, BRepPrimAPI_MakeCone
from OCC.Graphic3d import Graphic3d_NOM_PLASTIC, Graphic3d_NOM_ALUMINIUM
from OCC.V3d import V3d_SpotLight, V3d_COMPLETE, V3d_XnegYnegZpos
from OCC.Quantity import Quantity_NOC_WHITE, Quantity_NOC_CORAL2, Quantity_NOC_BROWN
from OCC.BRepAlgoAPI import BRepAlgoAPI_Cut
from OCC.gp import gp_Vec
from core_geometry_utils import translate_shp
# first create geometry
from core_classic_occ_bottle import bottle
table = translate_shp(
BRepPrimAPI_MakeBox(100, 100, 10).Shape(), gp_Vec(-50, -50, -10))
glass_out = BRepPrimAPI_MakeCone(7, 9, 25).Shape()
glass_in = translate_shp(
BRepPrimAPI_MakeCone(7, 9, 25).Shape(), gp_Vec(0., 0., 0.2))
glass = BRepAlgoAPI_Cut(glass_out, glass_in).Shape()
translated_glass = translate_shp(glass, gp_Vec(-30, -30, 0))
# then inits display
display, start_display, add_menu, add_function_to_menu = init_display()
# create one spotlight
spot_light = V3d_SpotLight(display.Viewer_handle, -100, -100, 100,
V3d_XnegYnegZpos, Quantity_NOC_WHITE)
## display the spotlight in rasterized mode
spot_light.Display(display.View_handle, V3d_COMPLETE)
display.View.SetLightOn()