1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
|
# Copyright (c) 2020, Manfred Moitzi
# License: MIT License
import time
import pathlib
from collections import Counter
import ezdxf
from ezdxf.addons import iterdxf
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# ------------------------------------------------------------------------------
# This example shows how iterate over very big DXF files without loading them
# into memory. This takes much longer, but it's maybe the only way to process
# these very large files.
#
# This example uses the modelspace iterator to copy all supported entities from
# modelspace without any resources defined in the source DXF document.
#
# docs: https://ezdxf.mozman.at/docs/addons/iterdxf.html#ezdxf.addons.iterdxf.modelspace
# ------------------------------------------------------------------------------
BIGFILE = ezdxf.options.test_files_path / "GKB-R2010.dxf"
def main():
doc = ezdxf.new()
msp = doc.modelspace()
print("Modelspace Iterator:")
counter = Counter()
t0 = time.perf_counter()
for entity in iterdxf.modelspace(BIGFILE):
counter[entity.dxftype()] += 1
try:
msp.add_foreign_entity(entity)
except ezdxf.DXFTypeError:
pass
ta = time.perf_counter() - t0
print(f"Processing time: {ta:.2f}s")
print("Saving as ezdxf.dxf")
doc.saveas(CWD / "ezdxf.dxf")
if __name__ == '__main__':
main()
|