fix: Hide unused fluorescence trace line plots

CHANGELOG

@@ -1,6 +1,7 @@
 0.9.5
  - fix: Allow to open measurement files that do not contain the features
    "area_um" or "deform" (#245)
+ - fix: Hide unused fluorescence trace line plots
  - enh: Display session name in window title
 0.9.4
  - fix: Wrong image/trace data shown for a selected event in the scatter

shapeout/gui/video.py

@@ -116,7 +116,8 @@ def __init__(self, parent, frame):
                 color = "orange"
             elif trid == "fl3_median":
                 color = "red"
-            self.trace_plot.plot(("x", trid), type="line", color=color)
+            self.trace_plot.plot(("x", trid), type="line", color=color,
+                                 name=trid)
 
         # convert wx color to something chaco understands
         bgcolor = list(np.array(self.GetBackgroundColour()) / 255)
@@ -254,6 +255,7 @@ def ShowEvent(self, mm_id, evt_id):
         # Plot traces
         if "trace" in mm:
             self.plot_window.control.Show(True)
+            self.trace_plot.showplot(*dclab.definitions.FLUOR_TRACES)
             empty_traces = []
             # Default shape needed for zero-data
             # (will be overridden by this loop if there
@@ -272,6 +274,7 @@ def ShowEvent(self, mm_id, evt_id):
             self.trace_data.set_data("x", np.arange(dshape[0]))
             # Set other trace data to zero if event does not have it
             zerodata = np.zeros(dshape[0])
+            self.trace_plot.hideplot(*empty_traces)
             for etr in empty_traces:
                 self.trace_data.set_data(etr, zerodata)