Surface Extrude: sheets from open curves and profile walls (#815)

surface.extrude sweeps open curve chains and profile boundaries along the sketch normal into a surface body (walls only, no caps). Saved under format 17.

Refs #757

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Irakli KourtisandClaude Opus 5.5 authored and GitHub committed 2026-10-13 14:54:38 -04:00
1 parent 8dd583930e
commit e540832626
17 files changed
+493 -79

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+22 -3
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@@ -925,6 +925,18 @@ pub enum FeatureKind {
#[serde(default, skip_serializing_if = "Vec::is_empty")]
targets: Vec<String>,
},
/// A surface body swept straight along the sketch normal from open curve chains and the
/// boundaries of profiles: walls only, no caps.
SurfaceExtrude {
sketch: u64,
/// Profiles whose boundary loops are swept (none: only `curves`).
#[serde(default, skip_serializing_if = "Option::is_none")]
profiles: Option<ProfileSel>,
/// Sketch curve ids, grouped into chains of curves that meet end to end.
#[serde(default, skip_serializing_if = "Vec::is_empty")]
curves: Vec<String>,
extent: Extent,
},
/// A planar surface body extended outward by `distance` past the edges through `edges`.
SurfaceExtend {
body: String,
@@ -1225,6 +1237,7 @@ impl FeatureKind {
use FeatureKind as K;
match self {
K::Extrude { sketch, .. }
| K::SurfaceExtrude { sketch, .. }
| K::Revolve { sketch, .. }
| K::Emboss { sketch, .. }
| K::Rib { sketch, .. }
@@ -1356,6 +1369,7 @@ impl FeatureKind {
FeatureKind::Align { .. } => "AlignFeature",
FeatureKind::Remove { .. } => "RemoveFeature",
FeatureKind::Patch { .. } => "PatchFeature",
FeatureKind::SurfaceExtrude { .. } => "SurfaceExtrudeFeature",
FeatureKind::Stitch { .. } => "StitchFeature",
FeatureKind::Thicken { .. } => "ThickenFeature",
FeatureKind::SurfaceTrim { .. } => "TrimFeature",
@@ -1422,6 +1436,7 @@ impl FeatureKind {
FeatureKind::Align { .. } => "Align",
FeatureKind::Remove { .. } => "Remove",
FeatureKind::Patch { .. } => "Patch",
FeatureKind::SurfaceExtrude { .. } => "SurfaceExtrude",
FeatureKind::Stitch { .. } => "Stitch",
FeatureKind::Thicken { .. } => "Thicken",
FeatureKind::SurfaceTrim { .. } => "Trim",
@@ -1442,7 +1457,9 @@ impl FeatureKind {
| FeatureKind::Sweep { sketch, profiles, .. }
| FeatureKind::Emboss { sketch, profiles, .. }
| FeatureKind::SheetBase { sketch, profiles, .. } => vec![(*sketch, profiles)],
FeatureKind::Patch { sketch: Some(sk), profiles, .. } => vec![(*sk, profiles)],
FeatureKind::Patch { sketch: Some(sk), profiles, .. } | FeatureKind::SurfaceExtrude { sketch: sk, profiles: Some(profiles), .. } => {
vec![(*sk, profiles)]
}
FeatureKind::Loft { sections, .. } => sections.iter_mut().filter(|s| s.point.is_none()).map(|s| (s.sketch, &mut s.profiles)).collect(),
_ => Vec::new(),
}
@@ -1456,7 +1473,9 @@ impl FeatureKind {
| FeatureKind::Sweep { sketch, profiles, .. }
| FeatureKind::Emboss { sketch, profiles, .. }
| FeatureKind::SheetBase { sketch, profiles, .. } => vec![(*sketch, profiles)],
FeatureKind::Patch { sketch: Some(sketch), profiles, .. } => vec![(*sketch, profiles)],
FeatureKind::Patch { sketch: Some(sketch), profiles, .. } | FeatureKind::SurfaceExtrude { sketch, profiles: Some(profiles), .. } => {
vec![(*sketch, profiles)]
}
FeatureKind::Loft { sections, .. } => {
sections.iter().filter(|section| section.point.is_none()).map(|section| (section.sketch, &section.profiles)).collect()
}
@@ -1504,7 +1523,7 @@ impl FeatureKind {
| FeatureKind::ConstructionPlane { plane }
| FeatureKind::Split { plane, .. }
| FeatureKind::SplitFace { plane, .. } => plane_exprs(plane, &mut v),
FeatureKind::Extrude { extent, .. } => {
FeatureKind::Extrude { extent, .. } | FeatureKind::SurfaceExtrude { extent, .. } => {
v.push(&extent.distance);
if let Some(d) = &extent.distance2 {
v.push(d);