Merge pull request #36 from plotly/itemsizing

Mahdis-z · web-flow · commit 8002285938ed · 2020-03-09T11:43:34.000-04:00
legend item's size
diff --git a/r/2015-07-30-legend.Rmd b/r/2015-07-30-legend.Rmd
@@ -162,6 +162,31 @@ fig <- fig %>% add_trace(y = ~Tree4, name = 'Tree 4')
 fig <- fig %>% add_trace(y = ~Tree5, name = 'Tree 5')
 fig <- fig %>% layout(legend = l)
 
+fig
+```
+
+### Size of Legend Items
+
+In this example, since the [itemsizing](https://plot.ly/r/reference/#layout-legend-itemsizing) attribute is set to `constant`, the size of legend items symbols remains the same, regardless of how tiny/huge the bubbles are in the graph.
+
+```{r}
+library(plotly)
+
+fig <- plot_ly(
+  type='scatter',
+  x=c(1, 2, 3, 4, 5),
+  y=c(1, 2, 3, 4, 5),
+  mode='markers',
+  marker=list(size=10))
+
+fig <- fig %>% add_trace(
+  type='scatter',
+  x=c(1, 2, 3, 4, 5),
+  y=c(5, 4, 3, 2, 1),
+  mode='markers',
+  marker=list(size=100))
+
+fig <- fig %>% layout(legend= list(itemsizing='constant'))
 fig
 ```
 ### Legend Title
@@ -260,4 +285,4 @@ fig
 
 Reference
 
-See [https://plot.ly/r/reference/#layout-legend](https://plot.ly/r/reference/#layout-legend) for more information and chart attribute options!
+See [https://plot.ly/r/reference/#layout-legend](https://plot.ly/r/reference/#layout-legend) for more information and chart attribute options!
