from compas_viewer import Viewer
from compas.geometry import Polyline
from compas_cnc import toolpath_2d_hatch
from compas_cnc.tools import FLAT_3MM
from compas_cnc.tools import add_tool_slider
tool = FLAT_3MM
boundary = Polyline([[0, 0, 0], [90, 0, 0], [90, 55, 0], [55, 55, 0], [40, 30, 0], [0, 40, 0], [0, 0, 0]])
hole = Polyline([[60, 12, 0], [78, 12, 0], [78, 40, 0], [60, 40, 0], [60, 12, 0]])
hatch = toolpath_2d_hatch(
boundary, # closed Polyline / Polygon -- outer boundary
spacing=tool.diameter, # float > 0 -- stepover between hatch lines
angle=0.0, # float radians -- hatch line direction
holes=[hole], # None | list of closed rings -- islands the fill must avoid
radius=tool.radius, # float -- cutter comp (0 = tool centre rides the edge)
z=None, # None (= geometry plane) | float -- fill plane
safe_z=None, # None (auto) | float -- plunge/retract height
contour=True, # True | False -- finishing pass around each wall
direction="conventional", # None (fast zig-zag) | "climb" | "conventional" (one-directional)
depth=0.0, # float -- layered roughing depth below z (0 = single flat pass)
step=None, # None | float > 0 -- layer depth when depth > 0
)
print(hatch)
# =============================================================================
# Visualization
# =============================================================================
viewer = Viewer()
viewer.scene.add(boundary, linecolor=(0.2, 0.4, 0.9), name="boundary")
viewer.scene.add(hole, linecolor=(0.9, 0.2, 0.2), name="hole")
viewer.scene.add(hatch.path, linecolor=(1.0, 0.5, 0.0), name="toolpath")
add_tool_slider(viewer, tool, hatch.path, facecolor=(0.7, 0.7, 0.75), opacity=0.6)
viewer.show()
