legend item's size

mahdis-z · mahdis-z · commit 8bc3ff81113c · 2020-03-02T11:34:47.000-05:00
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 [itemsizing](https://plot.ly/r/reference/#layout-legend-itemsizing) attribute determines the legend items symbols remain constant, regardless of how tiny/huge the bubbles would be 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
