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doc: a sheet bore is cut once, with the drill clipped to its panel

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machine_bores cut with the drill clipped to the panel and, refused (coincident faces at the
panel's rims), cut again with a longer cylinder a hair past the panel. SMLib's boolean takes
the flush ends exactly, so the clipped drill is the one cut; its refusal is passed on.

(not built: base in progress)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017itGh5fpMEousnZ91cYcVt
This commit is contained in:
jyviko
2026-10-22 07:29:39 -04:00
parent c7afe5eb40
commit 89423b88e8
1 changed files with 3 additions and 31 deletions
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crates/doc/src/sheet.rs
+3 -31
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@@ -1683,38 +1683,10 @@ impl SheetBody {
let slab = kernel::extrude_planar_regions(&Plane::XY, &cells, 0.0, self.t)?;
let drill = kernel::cylinder(bore.base, bore.axis, bore.radius, bore.height)?;
let Some(inside) = kernel::boolean(&drill, &slab, kernel::BoolOp::Intersect)? else { continue };
// Cut with the drill clipped to the panel. Where its ends, flush with the panel's
// rims, leave coincident faces the cut can't resolve, cut with the drill as long as
// the panel's material along it and a hair past it instead (the same material).
// Cut with the drill clipped to the panel, its ends flush with the panel's rims.
let place = |tool: Body| if self.flat { Ok(tool) } else { kernel::transform_matrix(&tool, self.world(bore.panel)) };
let mut last = None;
for longer in [false, true] {
let tool = if longer {
let axis = bore.axis.normalized().ok_or_else(|| DocError::Invalid("invalid sheet bore".into()))?;
let mesh = inside.mesh(&solidcraft_kernel::MeshTolerance::chord((bore.radius * 0.1).max(1e-4)))?;
let (lo, hi) =
mesh.positions.iter().map(|p| (*p - bore.base).dot(axis)).fold((f64::MAX, f64::MIN), |(lo, hi), d| (lo.min(d), hi.max(d)));
if !(lo <= hi) {
break;
}
let past = (bore.radius * 0.05).max(1e-3);
kernel::cylinder(bore.base + axis * (lo - past), axis, bore.radius, hi - lo + 2.0 * past)?
} else {
inside.clone()
};
match kernel::boolean(&body, &place(tool)?, kernel::BoolOp::Cut) {
Ok(Some(cut)) => {
body = cut;
last = None;
break;
}
Ok(None) => last = Some(DocError::Invalid("a sheet bore removes all sheet material".into())),
Err(e) => last = Some(e.into()),
}
}
if let Some(e) = last {
return Err(e);
}
body = kernel::boolean(&body, &place(inside)?, kernel::BoolOp::Cut)?
.ok_or_else(|| DocError::Invalid("a sheet bore removes all sheet material".into()))?;
}
Ok(body)
}