Improvements to parameter distribution container (#23)

* New parameter distribution dashboard

* Added density plot

* Added boolean toggle from dash daq for density plot

* Removed title argument and updated doc string

* Updated example to use list of ensembles

* Minor fix to example

* Increased bottom margin of scatterplot to make room for x-title

* Removed hoverinfo on density trace

* Use single quotation marks

* Remove correlation matrix tick marks

* Remove axis and ticklabel on marginal histograms

* Removed empty line. Added comment

* Some minor description changes

* Linting

* Highlighting currently selected cell in correlation matrix

* Preventing ui state reset on correlation matrix click event

* Updated test

* Debugging test using travis

* Fixed test

examples/basic_example.yaml

@@ -25,7 +25,9 @@ pages:
    content: 
     - Some text...
     - container: ParameterDistribution
-      ensemble: iter-0
+      ensembles:
+        - iter-0
+        - iter-1
     - ...some other text
  - title: Morris Plot
    content: 

setup.py

@@ -35,6 +35,7 @@
     },
     install_requires=[
         'scipy>=1.2.1',
+        'dash-daq>=0.1.5',
         'webviz-config>=0.0.4',
         'webviz-plotly>=0.0.1',
         'webviz-subsurface-components>=0.0.3'

tests/test_parameter_distribution.py

@@ -20,21 +20,20 @@ def test_parameter_dist(dash_threaded):
     cache.init_app(app.server)
     driver = dash_threaded.driver
     container_settings = {'scratch_ensembles': {'iter-0': ''}}
-    ensemble = 'iter-0'
+    ensembles = ['iter-0']
 
     with mock.patch(get_parameters) as mock_parameters:
         mock_parameters.return_value = pd.read_csv('tests/data/parameters.csv')
 
         p = _parameter_distribution.\
-            ParameterDistribution(app, container_settings, ensemble)
+            ParameterDistribution(app, container_settings, ensembles)
 
         app.layout = p.layout
         dash_threaded(app)
 
         my_component = wait_for_element_by_css_selector(
                            driver,
-                           f'#{p.dropdown_vector_id}'
+                           f'#{p.ens_matrix_id}'
                        )
-
-        if 'REAL' != my_component.text:
+        if not my_component.text.startswith('iter-0'):
             raise AssertionError()