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# Copyright (c) 2021-2022, Manfred Moitzi
# License: MIT License
import pathlib
from ezdxf.math import Vec3
import ezdxf
from ezdxf.render import forms
# ------------------------------------------------------------------------------
# This example shows how to use ordinate dimension in WCS.
#
# tutorial: https://ezdxf.mozman.at/docs/tutorials/ordinate_dimension.html
# ------------------------------------------------------------------------------
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# Use argument setup=True to setup the default dimension styles.
doc = ezdxf.new(setup=True)
# Add new entities to the modelspace:
msp = doc.modelspace()
# Add a rectangle: width=4, height = 2.5, lower left corner is WCS(x=2, y=3)
origin = Vec3(2, 3)
msp.add_lwpolyline(
forms.translate(forms.box(4, 2.5), origin),
close=True
)
# Add a x-type ordinate DIMENSION with global feature locations:
msp.add_ordinate_x_dim(
# lower left corner
feature_location=origin + (0, 0), # feature location in the WCS
offset=(0, -2), # end of leader, relative to the feature location
origin=origin,
).render()
msp.add_ordinate_x_dim(
# lower right corner
feature_location=origin + (4, 0), # feature location in the WCS
offset=(0, -2),
origin=origin,
).render()
# Add a y-type ordinate DIMENSION with global feature locations:
msp.add_ordinate_y_dim(
# lower right corner
feature_location=origin + (4, 0), # feature location in the WCS
offset=(2, 0),
origin=origin,
).render()
msp.add_ordinate_y_dim(
# upper right corner
feature_location=origin + (4, 2.5), # feature location in the WCS
offset=(2, 0),
origin=origin,
).render()
# Necessary second step to create the BLOCK entity with the dimension geometry.
# Additional processing of the DIMENSION entity could happen between adding
# the entity and the rendering call.
doc.saveas(CWD / "ord_global_features.dxf")
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