def menger_sponge(filename, level=1, kind=0):
t0 = perf_counter()
sponge = MengerSponge(level=level, kind=kind).mesh()
t1 = perf_counter()
print(f'Build menger sponge <{kind}> in {t1 - t0:.5f}s.')
with r12writer(filename) as r12:
r12.add_polyface(sponge.vertices, sponge.faces, color=1)
print(f'saved as "{filename}".')
def main(filename, level=3, kind=0, merge=False):
print('building menger sponge <{}>: start'.format(kind))
sponge = MengerSponge(level=level, kind=kind)
print('building menger sponge <{}>: done'.format(kind))
try:
write(filename, sponge, merge)
except IOError as e:
print('ERROR: can not write "{0}": {1}'.format(e.filename, e.strerror))
else:
print('saving menger sponge as "{}": done'.format(filename))
def main(filename, level=3, kind=0, merge=False):
t0 = perf_counter()
sponge = MengerSponge(level=level, kind=kind)
t1 = perf_counter()
print(f"Build menger sponge <{kind}> in {t1 - t0:.5f}s.")
try:
write(filename, sponge, merge)
except IOError as e:
print(f'ERROR: can not write "{e.filename}": {e.strerror}')
else:
print(f'saved as "{filename}".')
from pathlib import Path
from time import perf_counter
import ezdxf
from ezdxf.render.forms import sphere
from ezdxf.addons import MengerSponge
from ezdxf.addons.pycsg import CSG
DIR = Path('~/Desktop/Outbox').expanduser()
doc = ezdxf.new()
doc.layers.new('sponge', dxfattribs={'color': 5})
doc.layers.new('sphere', dxfattribs={'color': 6})
doc.set_modelspace_vport(6, center=(5, 0))
msp = doc.modelspace()
sponge1 = MengerSponge(level=3).mesh()
sphere1 = sphere(count=32, stacks=16, radius=.5,
quads=True).translate(.25, .25, 1)
t0 = perf_counter()
subtract = (CSG(sponge1, meshid=1) - CSG(sphere1, meshid=2))
t1 = perf_counter()
# get mesh result by id
subtract.mesh(1).render(msp, dxfattribs={'layer': 'sponge'})
subtract.mesh(2).render(msp, dxfattribs={'layer': 'sphere'})
print(f'runtime: {t1-t0:.3f}s')
doc.saveas(DIR / 'csg_sphere_vs_menger_sponge.dxf')