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# Copyright (c) 2022, Manfred Moitzi
# License: MIT License
import pathlib
import math
import ezdxf
from ezdxf.math import UCS, Vec3
from ezdxf.layouts import Modelspace
# ------------------------------------------------------------------------------
# This example shows how to create a dimension in 3d space and as addition how
# to explode this dimension.
#
# tutorial: https://ezdxf.mozman.at/docs/tutorials/angular_dimension.html
# ------------------------------------------------------------------------------
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
def make_doc():
doc = ezdxf.new(setup=True)
msp = doc.modelspace()
base = Vec3(0, 5)
p1 = Vec3(-4, 3)
p2 = Vec3(-1, 0)
p4 = Vec3(4, 3)
p3 = Vec3(1, 0)
ucs = UCS(origin=(5, 7, -3)).rotate_local_x(math.radians(45))
msp.add_line(p1, p2).transform(ucs.matrix)
msp.add_line(p3, p4).transform(ucs.matrix)
dim = msp.add_angular_dim_2l(
base=base, line1=(p1, p2), line2=(p3, p4), dimstyle="EZ_CURVED"
)
dim.render(ucs=ucs)
return doc
def explode_dim(msp: Modelspace):
for dimension in msp.query("DIMENSION"):
dimension.explode() # type: ignore
if __name__ == "__main__":
doc = make_doc()
doc.saveas(CWD / "3d_dim.dxf")
explode_dim(doc.modelspace())
doc.saveas(CWD / "3d_dim_exploded.dxf")
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