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# Copyright (c) 2022, Manfred Moitzi
# License: MIT License
from pathlib import Path
import math
import ezdxf
from ezdxf.math import Matrix44
CWD = Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = Path(".")
# ------------------------------------------------------------------------------
# this example shows how to create a HELIX entity.
#
# docs: https://ezdxf.mozman.at/docs/dxfentities/helix.html
# ------------------------------------------------------------------------------
def simple_helix(filename: str):
doc = ezdxf.new()
msp = doc.modelspace()
msp.add_helix(radius=5, pitch=1, turns=5)
doc.saveas(CWD / filename)
def transform_helix(filename: str):
doc = ezdxf.new()
msp = doc.modelspace()
helix = msp.add_helix(radius=5, pitch=1, turns=5)
helix.transform(Matrix44.x_rotate(math.pi/4) @ Matrix44.translate(2, 4, 6))
doc.saveas(CWD / filename)
if __name__ == "__main__":
simple_helix("simple_helix.dxf")
transform_helix("transform_helix.dxf")
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