def scene1(filename):
doc = ezdxf.new('R2010', setup=True)
msp = doc.modelspace()
ucs = UCS()
angle = math.pi / 12 # 15 degree
for ix in range(X_COUNT):
for iy in range(Y_COUNT):
ucs.moveto((ix * DX, iy * DY, 0))
ucs.render_axis(msp, length=1)
add_circle(msp, ucs)
# add_ocs_circle(msp, ucs)
# add_ocs_arc(msp, ucs)
# add_text(msp, ucs)
add_mtext(msp, ucs)
add_ellipse(msp, ucs)
# add_solid(msp, ucs)
add_trace(msp, ucs)
# add_3dface(msp, ucs)
# add_lwpolyline(msp, ucs)
ucs = ucs.rotate_local_z(angle)
ucs = UCS().rotate_local_x(ix * angle)
doc.set_modelspace_vport(Y_COUNT * (DY + 2),
center=(X_COUNT * DX / 2, Y_COUNT * DY / 2))
doc.saveas(filename)
# License: MIT License
from pathlib import Path
OUT_DIR = Path('~/Desktop/Outbox').expanduser()
import math
import ezdxf
from ezdxf.math import UCS
doc = ezdxf.new('R2010')
msp = doc.modelspace()
# thickness for text works only with shx fonts not with true type fonts
doc.styles.new('TXT', dxfattribs={'font': 'romans.shx'})
ucs = UCS(origin=(0, 2, 2)).rotate_local_x(math.radians(-45))
text = msp.add_text(
text="TEXT",
dxfattribs={
# text rotation angle in degrees in UCS
'rotation': -45,
'thickness': .333,
'color': 1,
'style': 'TXT',
})
# set text position in UCS
text.set_pos((0, 0, 0), align='MIDDLE_CENTER')
text.transform_to_wcs(ucs)
ucs.render_axis(msp)
doc.saveas(OUT_DIR / 'ucs_text.dxf')
msp = doc.modelspace()
# using an UCS simplifies 3D operations, but UCS definition can happen later
# calculating corner points in local (UCS) coordinates without Vector class
angle = math.radians(360 / 5)
corners_ucs = [(math.cos(angle * n), math.sin(angle * n), 0) for n in range(5)]
# let's do some transformations by UCS
transformation_ucs = UCS().rotate_local_z(math.radians(15)) # 1. rotation around z-axis
transformation_ucs.shift((0, .333, .333)) # 2. translation (inplace)
corners_ucs = list(transformation_ucs.points_to_wcs(corners_ucs))
location_ucs = UCS(origin=(0, 2, 2)).rotate_local_x(math.radians(-45))
msp.add_polyline3d(
points=corners_ucs,
dxfattribs={
'closed': True,
'color': 1,
}
).transform_to_wcs(location_ucs)
# Add lines from the center of the POLYLINE to the corners
center_ucs = transformation_ucs.to_wcs((0, 0, 0))
for corner in corners_ucs:
msp.add_line(
center_ucs, corner, dxfattribs={'color': 1}
).transform_to_wcs(location_ucs)
location_ucs.render_axis(msp)
doc.saveas(OUT_DIR / 'ucs_polyline3d.dxf')
