BUG #143 added try except for plot and calculate basicmaths

mdaviz/chartview.py

@@ -181,8 +181,11 @@ def onCurveAdded(self, curveID):
  ds = curveData["ds"]
  ds_options = curveData["ds_options"]
  # Plot and store the plot object associated with curveID:
- plot_obj = self.main_axes.plot(*ds, **ds_options)[0]
- self.plotObjects[curveID] = plot_obj
+ try:
+ plot_obj = self.main_axes.plot(*ds, **ds_options)[0]
+ self.plotObjects[curveID] = plot_obj
+ except Exception as exc:
+ print(str(exc))
  # Update plot
  self.updatePlot(update_title=True)
  # Add to the comboBox
@@ -382,19 +385,24 @@ def onFactorUpdated(self):
 
  def updateBasicMathInfo(self, curveID):
  if curveID and curveID in self.curveManager.curves():
- curve_data = self.curveManager.getCurveData(curveID)
- x = curve_data["ds"][0]
- y = curve_data["ds"][1]
- stats = self.calculateBasicMath(x, y)
- for i, txt in zip(stats, ["min_text", "max_text", "com_text", "mean_text"]):
- if isinstance(i, tuple):
- result = f"({utils.num2fstr(i[0])}, {utils.num2fstr(i[1])})"
- else:
- result = f"{utils.num2fstr(i)}" if i else "n/a"
- self.mda_mvc.findChild(QtWidgets.QLabel, txt).setText(result)
+ try:
+ curve_data = self.curveManager.getCurveData(curveID)
+ x = curve_data["ds"][0]
+ y = curve_data["ds"][1]
+ stats = self.calculateBasicMath(x, y)
+ for i, txt in zip(
+ stats, ["min_text", "max_text", "com_text", "mean_text"]
+ ):
+ if isinstance(i, tuple):
+ result = f"({utils.num2fstr(i[0])}, {utils.num2fstr(i[1])})"
+ else:
+ result = f"{utils.num2fstr(i)}" if i else "n/a"
+ self.mda_mvc.findChild(QtWidgets.QLabel, txt).setText(result)
+ except Exception as exc:
+ print(str(exc))
+ self.clearBasicMath()
  else:
- for txt in ["min_text", "max_text", "com_text", "mean_text"]:
- self.mda_mvc.findChild(QtWidgets.QLabel, txt).setText("n/a")
+ self.clearBasicMath()
 
  def clearBasicMath(self):
  for txt in ["min_text", "max_text", "com_text", "mean_text"]: