Associate hatch boundaries from internal points and selected sources

src/scene/boundary.rs

@@ -628,6 +628,14 @@ pub(crate) fn boundary_entities_from_sources(
 }
 
 impl Scene {
+    pub(crate) fn replace_hatch_association(&mut self,handle:Handle,paths:Vec<acadrust::entities::BoundaryPath>) {
+        let Some(EntityType::Hatch(hatch))=self.document.get_entity_mut(handle) else{return;};
+        hatch.paths=paths;
+        hatch.is_associative=true;
+        self.associative_hatch_source_cache.borrow_mut().take();
+        self.refresh_fill_model(handle);
+    }
+
     pub(crate) fn edit_hatch_boundary_handles(
         &mut self,
         hatch_handle: Handle,

src/scene/model/presspull_model.rs

@@ -141,7 +141,7 @@ fn boundary_sources(scene: &Scene, plane: WorkingPlane) -> FxHashMap<Handle, Bou
     }).collect()
 }
 
-fn selected_rings(sources: &FxHashMap<Handle, BoundarySource>, point: [f64; 2]) -> Option<Vec<Vec<[f64; 2]>>> {
+pub(crate) fn selected_rings(sources: &FxHashMap<Handle, BoundarySource>, point: [f64; 2]) -> Option<Vec<Vec<[f64; 2]>>> {
     let rings = boundary_faces(sources, BOUNDARY_TOLERANCE);
     let loops = boundary_loops(sources, &rings)?;
     let tolerance = Tolerance::new(BOUNDARY_TOLERANCE);