Add/fm borehole layer (#19)

* add FM_borehole

Co-authored-by: Ingeborg Gjerde <ingeborg.gjerde@ngi.no>

Author: IngeborgGjerde

CHANGES.md

@@ -1,5 +1,13 @@
 # Changes
 
+## Version 1.0.11
+
+_2026-05-18_
+
+Add:
+
+- FM_Borehole layer
+  
 ## Version 1.0.10
 
 _2026-05-15_

mpldxf/fm_layers.py

@@ -25,6 +25,7 @@
     "FM-Text": {"color": 2, "linetype": "CONTINUOUS"},    # Yellow - axis labels and other text
     "FM-Grid-Vertical": {"color": 7, "linetype": "DASHED2"}, # Light Blue - vertical grid lines
     "FM-Grid-Horizontal": {"color": 7, "linetype": "DASHED2"},  # Light Blue - horizontal grid lines
+    "FM-Borehole": {"color": 3, "linetype": "CONTINUOUS"},  # Green - swedish borehole frame 
 }
 
 # Backwards compatible alias used by older callers/tests.
@@ -50,6 +51,8 @@ def determine_element_layer(group_stack, group_gids):
             return "FM-Grid-Horizontal"
         if group_gids.get(group_name) == "FM-Frame":
             return "FM-Frame"
+        if group_gids.get(group_name) == "FM-Borehole":
+            return "FM-Borehole"
 
     if not group_stack:
         return "0"

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mpldxf"
-version = "1.0.10"
+version = "1.0.11"
 description = "A fork of mpldxf - a matplotlib backend to write DXF drawings. Modified by NGI to handle geotechnical plots"
 authors = [
     { name = "David Kent" },