Change display to data for Line2D coords. Closes #1857

src/plugins/GenerateJob/templates/plotly_backend.py

@@ -17,6 +17,7 @@
      FigureCanvasBase, FigureManagerBase, GraphicsContextBase, RendererBase
 )
 import matplotlib.pyplot as plt
+from matplotlib.lines import Line2D
 from matplotlib.figure import Figure
 from matplotlib import transforms, collections
 from matplotlib import ticker
@@ -270,6 +271,10 @@ def draw_marked_line(self, **props):
             props['data'] = np.transpose(props['mplobj'].get_data_3d())
             self.draw_3d_collection(**props)
         else:
+            if props['coordinates'] == 'display' and isinstance(props['mplobj'], Line2D):
+                props['coordinates'] = 'data'
+                props['data'] = props['mplobj'].get_xydata()
+
             super().draw_marked_line(**props)
 
     def draw_3d_collection(self, **props):

test/integration/ExecutePipeline.spec.js

@@ -32,6 +32,7 @@ describe('Pipeline execution', function () {
     Pipeline.ComplexPipeline = '/f/3';
     Pipeline.ExportPlugin = '/f/s';
     Pipeline.ScatterPlots3D = '/f/5';
+    Pipeline.AxVLines = '/f/H';
 
     const server = new testFixture.WebGME.standaloneServer(gmeConfig);
     server.start = promisify(server.start);