Change naming to alt.param and alt.add_params

README.md

@@ -59,7 +59,7 @@ points = alt.Chart(source).mark_point().encode(
     x='Horsepower',
     y='Miles_per_Gallon',
     color=alt.condition(brush, 'Origin', alt.value('lightgray'))
-).add_parameter(
+).add_params(
     brush
 )
 

altair/examples/airport_connections.py

@@ -63,7 +63,7 @@
     from_=lookup_data
 ).transform_filter(
     (alt.datum.state != "PR") & (alt.datum.state != "VI")
-).add_parameter(
+).add_params(
     select_city
 )
 

altair/examples/dot_dash_plot.py

@@ -12,7 +12,7 @@
 
 # Configure the options common to all layers
 brush = alt.selection(type='interval')
-base = alt.Chart(source).add_parameter(brush)
+base = alt.Chart(source).add_params(brush)
 
 # Configure the points
 points = base.mark_point().encode(

altair/examples/histogram_responsive.py

@@ -31,5 +31,5 @@
   ),
   base.encode(
     alt.X('time:Q', bin=alt.Bin(maxbins=30)),
-  ).add_parameter(brush)
+  ).add_params(brush)
 )

altair/examples/interactive_brush.py

@@ -16,4 +16,4 @@
     x='Horsepower:Q',
     y='Miles_per_Gallon:Q',
     color=alt.condition(brush, 'Cylinders:O', alt.value('grey')),
-).add_parameter(brush)
+).add_params(brush)

altair/examples/interactive_cross_highlight.py

@@ -38,7 +38,7 @@
 ).properties(
     width=550,
     height=200
-).add_parameter(pts)
+).add_params(pts)
 
 alt.vconcat(
     rect + circ,

altair/examples/interactive_layered_crossfilter.py

@@ -29,7 +29,7 @@
 # gray background with selection
 background = base.encode(
     color=alt.value('#ddd')
-).add_parameter(brush)
+).add_params(brush)
 
 # blue highlights on the transformed data
 highlight = base.transform_filter(brush)

altair/examples/interactive_legend.py

@@ -18,6 +18,6 @@
     alt.Y('sum(count):Q', stack='center', axis=None),
     alt.Color('series:N', scale=alt.Scale(scheme='category20b')),
     opacity=alt.condition(selection, alt.value(1), alt.value(0.2))
-).add_parameter(
+).add_params(
     selection
 )

altair/examples/interval_selection.py

@@ -27,6 +27,6 @@
 
 lower = base.properties(
     height=60
-).add_parameter(brush)
+).add_params(brush)
 
 upper & lower

altair/examples/multiline_highlight.py

@@ -23,7 +23,7 @@
 
 points = base.mark_circle().encode(
     opacity=alt.value(0)
-).add_parameter(
+).add_params(
     highlight
 ).properties(
     width=600

altair/examples/multiline_tooltip.py

@@ -38,7 +38,7 @@
 selectors = alt.Chart(source).mark_point().encode(
     x='x:Q',
     opacity=alt.value(0),
-).add_parameter(
+).add_params(
     nearest
 )
 

altair/examples/multiple_interactions.py

@@ -42,7 +42,7 @@
 slider_selection = alt.selection_point(bind=year_slider, fields=['Release_Year'], name="Release Year_")
 
 
-filter_year = base.add_parameter(
+filter_year = base.add_params(
     slider_selection
 ).transform_filter(
     slider_selection
@@ -52,7 +52,7 @@
 genre_dropdown = alt.binding_select(options=genres)
 genre_select = alt.selection_point(fields=['Major_Genre'], bind=genre_dropdown, name="Genre")
 
-filter_genres = base.add_parameter(
+filter_genres = base.add_params(
     genre_select
 ).transform_filter(
     genre_select
@@ -66,7 +66,7 @@
                       alt.Color('MPAA_Rating:N', legend=None),
                       alt.value('lightgray'))
 
-highlight_ratings = base.add_parameter(
+highlight_ratings = base.add_params(
     rating_select
 ).encode(
     color=rating_color_condition
@@ -81,7 +81,7 @@
                                         alt.Size('Hundred_Million_Production:Q')
                                        )
 
-budget_sizing = base.add_parameter(
+budget_sizing = base.add_params(
     checkbox_selection
 ).encode(
     size=size_checkbox_condition

altair/examples/scatter_linked_brush.py

@@ -15,7 +15,7 @@
 base = alt.Chart(source).mark_point().encode(
     y='Miles_per_Gallon',
     color=alt.condition(brush, 'Origin', alt.ColorValue('gray')),
-).add_parameter(
+).add_params(
     brush
 ).properties(
     width=250,

altair/examples/scatter_linked_table.py

@@ -19,7 +19,7 @@
     x='Horsepower:Q',
     y='Miles_per_Gallon:Q',
     color=alt.condition(brush, 'Cylinders:O', alt.value('grey'))
-).add_parameter(brush)
+).add_params(brush)
 
 # Base chart for data tables
 ranked_text = alt.Chart(source).mark_text().encode(

altair/examples/scatter_with_histogram.py

@@ -46,7 +46,7 @@
 ).properties(
     width=300,
     height=300
-).add_parameter(pts)
+).add_params(pts)
 
 # build the chart:
 alt.hconcat(

altair/examples/scatter_with_layered_histogram.py

@@ -34,7 +34,7 @@
 base = alt.Chart(source).properties(
     width=250,
     height=250
-).add_parameter(selector)
+).add_params(selector)
 
 points = base.mark_point(filled=True, size=200).encode(
     x=alt.X('mean(height):Q', scale=alt.Scale(domain=[0,84])),

altair/examples/scatter_with_minimap.py

@@ -17,7 +17,7 @@
 minimap = (
     alt.Chart(source)
     .mark_point()
-    .add_parameter(zoom)
+    .add_params(zoom)
     .encode(
         x="date:T",
         y="temp_max:Q",

altair/examples/seattle_weather_interactive.py

@@ -33,7 +33,7 @@
 ).properties(
     width=550,
     height=300
-).add_parameter(
+).add_params(
     brush
 ).transform_filter(
     click
@@ -48,7 +48,7 @@
     brush
 ).properties(
     width=550,
-).add_parameter(
+).add_params(
     click
 )
 

altair/examples/select_detail.py

@@ -46,7 +46,7 @@
 base = alt.Chart(data).properties(
     width=250,
     height=250
-).add_parameter(selector)
+).add_params(selector)
 
 points = base.mark_point(filled=True, size=200).encode(
     x='mean(x)',

altair/examples/select_mark_area.py

@@ -24,7 +24,7 @@
 )
 
 brush = alt.selection_interval(encodings=['x'])
-background = base.add_parameter(brush)
+background = base.add_params(brush)
 selected = base.transform_filter(brush).mark_area(color='goldenrod')
 
 background + selected

altair/examples/selection_histogram.py

@@ -17,7 +17,7 @@
     x='Horsepower:Q',
     y='Miles_per_Gallon:Q',
     color=alt.condition(brush, 'Origin:N', alt.value('lightgray'))
-).add_parameter(
+).add_params(
     brush
 )
 

altair/examples/selection_layer_bar_month.py

@@ -16,7 +16,7 @@
     x='month(date):O',
     y='mean(precipitation):Q',
     opacity=alt.condition(brush, alt.OpacityValue(1), alt.OpacityValue(0.7)),
-).add_parameter(
+).add_params(
     brush
 )
 

altair/examples/slider_cutoff.py

@@ -16,7 +16,7 @@
 })
 
 slider = alt.binding_range(min=0, max=100, step=1)
-cutoff = alt.parameter(bind=slider, value=50)
+cutoff = alt.param(bind=slider, value=50)
 
 alt.Chart(df).mark_point().encode(
     x='xval',
@@ -25,6 +25,6 @@
         alt.datum.xval < cutoff,
         alt.value('red'), alt.value('blue')
     )
-).add_parameter(
+).add_params(
     cutoff
 )

altair/examples/us_population_over_time.py

@@ -30,7 +30,7 @@
 ).properties(
     width=20,
     title="U.S. Population by Age and Sex"
-).add_parameter(
+).add_params(
     select_year
 ).transform_calculate(
     "sex", alt.expr.if_(alt.datum.sex == 1, "Male", "Female")

altair/examples/us_population_pyramid_over_time.py

@@ -15,7 +15,7 @@
 select_year = alt.selection_point(name='year', fields=['year'],
                                    bind=slider, value={'year': 2000})
 
-base = alt.Chart(source).add_parameter(
+base = alt.Chart(source).add_params(
     select_year
 ).transform_filter(
     select_year

altair/examples/us_state_capitals.py

@@ -38,6 +38,6 @@
 points = base.mark_point().encode(
     color=alt.value('black'),
     size=alt.condition(~hover, alt.value(30), alt.value(100))
-).add_parameter(hover)
+).add_params(hover)
 
 background + points + text