此处用于定义点的性质(例如起点，落定点，中心点等)
import sys
from OCC.Core.gp import gp_Pnt
from OCC.Core.Geom import Geom_CartesianPoint
from OCC.Core.Quantity import Quantity_Color, Quantity_TOC_RGB
from OCC.Core.Aspect import (Aspect_TOM_POINT,
Aspect_TOM_PLUS,
Aspect_TOM_STAR,
Aspect_TOM_X,
Aspect_TOM_O,
Aspect_TOM_O_POINT,
Aspect_TOM_O_PLUS,
Aspect_TOM_O_STAR,
Aspect_TOM_O_X,
Aspect_TOM_RING1,
Aspect_TOM_RING2,
Aspect_TOM_RING3,
Aspect_TOM_BALL)
from OCC.Core.AIS import AIS_Point
from OCC.Core.Prs3d import Prs3d_PointAspect, Prs3d_Drawer
from OCC.Display.SimpleGui import init_display
display, start_display, add_menu, add_function_to_menu = init_display()
ALL_ASPECTS = [Aspect_TOM_POINT,
Aspect_TOM_PLUS,
Aspect_TOM_STAR,
Aspect_TOM_X,
Aspect_TOM_O,
Aspect_TOM_O_POINT,
Aspect_TOM_O_PLUS,
Aspect_TOM_O_STAR,
Aspect_TOM_O_X,
Aspect_TOM_RING1,
Aspect_TOM_RING2,
Aspect_TOM_RING3,
Aspect_TOM_BALL]
def pnt():
# create a point
for idx in range(10):
for idy in range(10):
for idz, aspect in enumerate(ALL_ASPECTS):
x = 0 + idx * 0.1
y = 0 + idy * 0.1
z = 0 + idz / len(ALL_ASPECTS)
p = Geom_CartesianPoint(gp_Pnt(x, y, z))
color = Quantity_Color(x / len(ALL_ASPECTS), 0, z, Quantity_TOC_RGB)
ais_point = AIS_Point(p)
drawer = ais_point.Attributes()
asp = Prs3d_PointAspect(aspect, color, 3)
drawer.SetPointAspect(asp)
ais_point.SetAttributes(drawer)
display.Context.Display(ais_point, False)
display.FitAll()
start_display()
def exit(event=None):
sys.exit()
if __name__ == '__main__':
pnt()