fix

apps/app_estimateOP.py

@@ -73,6 +73,7 @@ layout = dbc.Container(
                 width=9,
                 children=[
                     ac.get_options_estimate_component(),
+                    dcc.Markdown("### First order estimator of OP from PM10 concentration"),
                     dcc.Loading(dcc.Graph(id="graph")),
                     ac.get_estimate_warning_component()
                 ]
@@ -131,6 +132,8 @@ def update_output(content, name, clicked):
     else:
         if content is not None:
             data, columns, errors = parse_contents(content, name)
+        else:
+            raise PreventUpdate
 
     colnames = [item['name'] for item in columns]
 
@@ -167,7 +170,7 @@ def update_graph(dfpm, OPtype, temporality):
     :returns: TODO
 
     """
-    if dfpm is None:
+    if dfpm is None or len(dfpm) == 0:
         raise PreventUpdate
 
     dfpm = pd.DataFrame(dfpm)
@@ -194,5 +197,8 @@ def update_graph(dfpm, OPtype, temporality):
         color="Factor",
         color_discrete_map=colors
     )
+    fig.update_yaxes(
+        {"title": "OP {} estimation (nmol.min⁻¹.m⁻³)".format(OPtype)}
+    )
     return fig
 

assets/local.css

@@ -6,11 +6,11 @@
     margin-top: 10px;
 }
 
-#main, h2 {
+#main h2 {
     color: darkmagenta;
 }
 
-#main, #graph-col h3 {
+#main h3, #graph-col h3, .list-group-item-heading {
     color: darkolivegreen;
 }