speed up internal meshing

src/Model/Geometry/ProfileXYZ.py

@@ -1132,3 +1132,18 @@ class ProfileXYZ(Profile, SQLSubModel):
                     align = True
                     self.delete_i([i])
                     break
+
+    def hard_purge_aligned_points(self):
+        align = True
+        points = self.points
+        while (align):
+            align = False
+            for i in range(1, len(points) - 1):
+                d = points[i].dist_from_seg(points[i-1],
+                                            points[i+1])
+                if d < 0.00001 and points[i].name == "":
+                    align = True
+                    points.pop(i)
+                    break
+        self._points = points
+        self.modified()