Release/v0.3.3

api/main.py

@@ -31,7 +31,7 @@ def filter(self, record):
 
 app = FastAPI(
     title="Modly API",
-    version="0.3.2",
+    version="0.3.3",
     lifespan=lifespan,
 )
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "modly",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "Local AI-powered 3D mesh generation from images",
   "main": "./out/main/index.js",
   "author": "Modly",

scripts/build-builtins.mjs

@@ -49,6 +49,14 @@ for (const id of readdirSync(srcDir)) {
     })
     console.log(`[build-builtins] ${id}: npm install done`)
   }
+
+  // Copy any Python processor files
+  for (const file of readdirSync(extSrcDir)) {
+    if (file.endsWith('.py')) {
+      cpSync(join(extSrcDir, file), join(extOutDir, file))
+      console.log(`[build-builtins] ${id}: ${file} copied`)
+    }
+  }
 }
 
 console.log('[build-builtins] Done.')

src/areas/workflows/nodes/mesh-remesher/manifest.json

@@ -0,0 +1,41 @@
+{
+  "id": "mesh-remesher",
+  "name": "Mesh Remesher",
+  "type": "process",
+  "entry": "processor.py",
+  "version": "1.0.0",
+  "author": "Modly",
+  "description": "Remeshes a mesh to triangle or quad topology using isotropic remeshing.",
+  "nodes": [
+    {
+      "id": "remesh",
+      "name": "Remesh",
+      "input": "mesh",
+      "output": "mesh",
+      "params_schema": [
+        {
+          "id": "mode",
+          "label": "Mode",
+          "type": "select",
+          "default": "triangle",
+          "options": [
+            { "value": "triangle", "label": "Triangle" },
+            { "value": "quad",     "label": "Quad" },
+            { "value": "none",     "label": "None" }
+          ],
+          "tooltip": "Triangle produces a clean uniform triangulation. Quad attempts a quad-dominant mesh. None passes the mesh through unchanged."
+        },
+        {
+          "id": "target_edge_length",
+          "label": "Target Edge Length",
+          "type": "float",
+          "default": 0.0,
+          "min": 0.0,
+          "max": 1.0,
+          "step": 0.001,
+          "tooltip": "Target edge length in world units. Set to 0 for automatic (uses average edge length of the input mesh)."
+        }
+      ]
+    }
+  ]
+}

src/areas/workflows/nodes/mesh-remesher/processor.py

@@ -0,0 +1,131 @@
+"""
+Mesh Remesher — built-in process extension.
+
+Protocol: reads one JSON line from stdin, writes JSON lines to stdout.
+  stdin : { input, params, workspaceDir, tempDir }
+  stdout: { type: "progress"|"log"|"done"|"error", ... }
+"""
+import json
+import os
+import shutil
+import sys
+import tempfile
+from pathlib import Path
+
+
+def emit(obj: dict) -> None:
+    print(json.dumps(obj), flush=True)
+
+
+def progress(pct: int, label: str) -> None:
+    emit({"type": "progress", "percent": pct, "label": label})
+
+
+def log(msg: str) -> None:
+    emit({"type": "log", "message": msg})
+
+
+def done(file_path: str) -> None:
+    emit({"type": "done", "result": {"filePath": file_path}})
+
+
+def error(msg: str) -> None:
+    emit({"type": "error", "message": msg})
+
+
+def main() -> None:
+    raw   = sys.stdin.readline()
+    data  = json.loads(raw)
+
+    input_data    = data.get("input", {})
+    params        = data.get("params", {})
+    workspace_dir = data.get("workspaceDir", "")
+
+    input_path = input_data.get("filePath")
+    if not input_path or not Path(input_path).is_file():
+        error(f"mesh-remesher: input file not found: {input_path}")
+        return
+
+    mode               = str(params.get("mode", "triangle"))
+    target_edge_length = float(params.get("target_edge_length", 0.0))
+
+    out_dir = Path(workspace_dir) / "Workflows"
+    out_dir.mkdir(parents=True, exist_ok=True)
+    from time import time
+    out_path = str(out_dir / f"mesh-remesher-{int(time() * 1000)}.glb")
+
+    log(f"Mode: {mode}, edge length: {target_edge_length or 'auto'}")
+
+    if mode == "none":
+        progress(50, "Passing through…")
+        shutil.copy2(input_path, out_path)
+        progress(100, "Done")
+        done(out_path)
+        return
+
+    try:
+        import pymeshlab
+    except ImportError:
+        error("mesh-remesher: pymeshlab is not available on this system")
+        return
+
+    import trimesh
+
+    progress(10, "Loading mesh…")
+    loaded = trimesh.load(input_path)
+    if isinstance(loaded, trimesh.Scene):
+        geoms = list(loaded.geometry.values())
+        geom  = trimesh.util.concatenate(geoms) if len(geoms) > 1 else geoms[0]
+    else:
+        geom = loaded
+
+    tmp_dir = tempfile.mkdtemp()
+    try:
+        ply_in  = os.path.join(tmp_dir, "input.ply")
+        ply_out = os.path.join(tmp_dir, "output.ply")
+        geom.export(ply_in)
+
+        ms = pymeshlab.MeshSet()
+        ms.load_new_mesh(ply_in)
+
+        if target_edge_length <= 0:
+            measures           = ms.get_geometric_measures()
+            target_edge_length = float(measures.get("avg_edge_length", 0.02))
+            log(f"Auto edge length: {target_edge_length:.6f}")
+
+        progress(30, f"Remeshing ({mode})…")
+
+        if mode == "triangle":
+            ms.meshing_isotropic_explicit_remeshing(
+                targetlen=pymeshlab.PureValue(target_edge_length),
+                iterations=3,
+            )
+        elif mode == "quad":
+            ms.meshing_isotropic_explicit_remeshing(
+                targetlen=pymeshlab.PureValue(target_edge_length),
+                iterations=3,
+            )
+            try:
+                ms.generate_polygonal_mesh()
+                ms.meshing_poly_to_tri()
+            except Exception:
+                pass
+
+        progress(80, "Exporting…")
+        ms.save_current_mesh(ply_out)
+        result = trimesh.load(ply_out, force="mesh")
+    finally:
+        shutil.rmtree(tmp_dir, ignore_errors=True)
+
+    result.export(out_path)
+    log(f"Output: {out_path} ({len(result.faces)} faces)")
+    progress(100, "Done")
+    done(out_path)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as exc:
+        import traceback
+        error(f"{exc}\n{traceback.format_exc()}")