Merge pull request #1595 from hannobraun/3mf

Update to latest version of 3mf-rs

Cargo.lock

@@ -2745,6 +2745,16 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74605f360ce573babfe43964cbe520294dcb081afbf8c108fc6e23036b4da2df"
 
+[[package]]
+name = "quick-xml"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffc053f057dd768a56f62cd7e434c42c831d296968997e9ac1f76ea7c2d14c41"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.23"
@@ -3454,10 +3464,12 @@ dependencies = [
 
 [[package]]
 name = "threemf"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03094907eeaa5743f1630c4fafdd9c68dbfb8d25c819786674298d46b4604ecc"
+checksum = "bf108acc769867300099b3c5334f3dd9bf8c420522a7b7a5938ba0142643808e"
 dependencies = [
+ "quick-xml",
+ "serde",
  "thiserror",
  "zip",
 ]

crates/fj-export/Cargo.toml

@@ -15,5 +15,5 @@ categories.workspace = true
 fj-interop.workspace = true
 fj-math.workspace = true
 thiserror = "1.0.35"
-threemf = "0.3.1"
+threemf = "0.4.0"
 stl = "0.2.1"

crates/fj-export/src/lib.rs

@@ -43,26 +43,33 @@ pub fn export(mesh: &Mesh<Point<3>>, path: &Path) -> Result<(), Error> {
 }
 
 fn export_3mf(mesh: &Mesh<Point<3>>, path: &Path) -> Result<(), Error> {
-    let vertices = mesh.vertices().map(Into::into).collect();
+    let vertices = mesh
+        .vertices()
+        .map(|point| threemf::model::Vertex {
+            x: point.x.into_f64(),
+            y: point.y.into_f64(),
+            z: point.z.into_f64(),
+        })
+        .collect();
 
     let indices: Vec<_> = mesh.indices().collect();
     let triangles = indices
         .chunks(3)
-        .map(|triangle| {
-            [
-                triangle[0] as usize,
-                triangle[1] as usize,
-                triangle[2] as usize,
-            ]
+        .map(|triangle| threemf::model::Triangle {
+            v1: triangle[0] as usize,
+            v2: triangle[1] as usize,
+            v3: triangle[2] as usize,
         })
         .collect();
 
-    let mesh = threemf::TriangleMesh {
-        vertices,
-        triangles,
+    let mesh = threemf::Mesh {
+        vertices: threemf::model::Vertices { vertex: vertices },
+        triangles: threemf::model::Triangles {
+            triangle: triangles,
+        },
     };
 
-    threemf::write(path, &mesh)?;
+    threemf::write(path, mesh)?;
 
     Ok(())
 }