From 14b1b445ac385b5dd3d44ad401475bbe70eab7c1 Mon Sep 17 00:00:00 2001
From: Helge Gehring <42973196+HelgeGehring@users.noreply.github.com>
Date: Mon, 10 Jul 2023 16:22:22 +0200
Subject: [PATCH 1/2] fix for multilines

---
 femwell/mesh/meshtracker.py | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/femwell/mesh/meshtracker.py b/femwell/mesh/meshtracker.py
index a3bb2f6a..af86637c 100644
--- a/femwell/mesh/meshtracker.py
+++ b/femwell/mesh/meshtracker.py
@@ -130,7 +130,7 @@ def add_get_xy_segment(self, shapely_xy_point1, shapely_xy_point2, label):
             self.xy_segments_secondary_labels.append(None)
         return gmsh_segment, orientation
 
-    def add_get_xy_line(self, shapely_xy_curve, label):
+    def add_get_xy_line(self, shapely_xy_curves, label):
         """
         Add a shapely line (multi-point line) to the gmsh model in the xy plane, or retrieve the existing gmsh segment with equivalent coordinates (within tol.)
 
@@ -138,16 +138,19 @@ def add_get_xy_line(self, shapely_xy_curve, label):
             shapely_xy_curve (shapely.geometry.LineString): curve
         """
         segments = []
-        for shapely_xy_point1, shapely_xy_point2 in zip(
-            shapely_xy_curve.coords[:-1], shapely_xy_curve.coords[1:]
+        for shapely_xy_curve in (
+            shapely_xy_curves.geoms if hasattr(shapely_xy_curves, "geoms") else [shapely_xy_curves]
         ):
-            gmsh_segment, orientation = self.add_get_xy_segment(
-                Point(shapely_xy_point1), Point(shapely_xy_point2), label
-            )
-            if orientation:
-                segments.append(gmsh_segment)
-            else:
-                segments.append(-gmsh_segment)
+            for shapely_xy_point1, shapely_xy_point2 in zip(
+                shapely_xy_curve.coords[:-1], shapely_xy_curve.coords[1:]
+            ):
+                gmsh_segment, orientation = self.add_get_xy_segment(
+                    Point(shapely_xy_point1), Point(shapely_xy_point2), label
+                )
+                if orientation:
+                    segments.append(gmsh_segment)
+                else:
+                    segments.append(-gmsh_segment)
         self.model.add_physical(segments, f"{label}")
 
     def add_xy_surface(self, shapely_xy_polygons, label=None, physical=True):

From 43717e539622dad399c21326e9435ecf9ab1a777 Mon Sep 17 00:00:00 2001
From: Helge Gehring <42973196+HelgeGehring@users.noreply.github.com>
Date: Mon, 10 Jul 2023 16:24:27 +0200
Subject: [PATCH 2/2] fix docs

---
 femwell/mesh/meshtracker.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/femwell/mesh/meshtracker.py b/femwell/mesh/meshtracker.py
index af86637c..ade50ec8 100644
--- a/femwell/mesh/meshtracker.py
+++ b/femwell/mesh/meshtracker.py
@@ -135,7 +135,7 @@ def add_get_xy_line(self, shapely_xy_curves, label):
         Add a shapely line (multi-point line) to the gmsh model in the xy plane, or retrieve the existing gmsh segment with equivalent coordinates (within tol.)
 
         Args:
-            shapely_xy_curve (shapely.geometry.LineString): curve
+            shapely_xy_curves (shapely.geometry.LineString): curve
         """
         segments = []
         for shapely_xy_curve in (