handle np.nans

Author: Ingeborg Gjerde

CHANGES.md

@@ -1,5 +1,13 @@
 # Changes
 
+## Version 0.5.0
+
+_2024-12-12_
+
+Fix:
+
+- Strip np.nans from line vertices to avoid silent crash when computing the bounding box
+
 ## Version 0.4.0
 
 _2024-11-22_

mpldxf/backend_dxf.py

@@ -136,6 +136,9 @@ def _clip_mpl(self, gc, vertices, obj):
                     vertices
                 )
             elif obj == "line2d":
+                # strip nans
+                vertices = [v for v in vertices if not np.isnan(v).any()]
+
                 cliprect = Polygon(cliprect)
                 line = LineString(vertices)
                 try:
@@ -159,12 +162,6 @@ def _clip_mpl(self, gc, vertices, obj):
         return vertices
 
     def _draw_mpl_lwpoly(self, gc, path, transform, obj):
-        # TODO rework for BEZIER curves
-        if obj == "patch":
-            close = True
-        elif obj == "line2d":
-            close = False
-
         dxfattribs = self._get_polyline_attribs(gc)
         vertices = path.transformed(transform).vertices
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mpldxf"
-version = "0.4.0"  
+version = "0.5.0"  
 description = "A fork of mpldxf - a matplotlib backend to write DXF drawings. Modified by NGI to handle geotechnical plots"
 authors = ["David Kent",
            "Jon-Michael Josefsen <[email protected]>",