3D Isosurface Plots in R

How to create 3D isosurface plots with Plotly.

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Basic Isosurface Plot

library(plotly)

fig <- plot_ly(
  type='isosurface',
  x = c(0,0,0,0,1,1,1,1),
  y = c(1,0,1,0,1,0,1,0),
  z = c(1,1,0,0,1,1,0,0),
  value = c(1,2,3,4,5,6,7,8),
  isomin=2,
  isomax=6
  )

fig

Isosurface with Additional Slices

library(plotly)

df <- read.csv('https://raw.githubusercontent.com/plotly/datasets/master/clebsch-cubic.csv')

fig <- plot_ly(
  df,
  type='isosurface',
  x = ~x,
  y = ~y,
  z = ~z,
  value = ~value,
  isomin = -100,
  isomax = 100,
  colorscale='RdBu',
  surface = list(show = TRUE, count = 1),
  slices = list(z = list(
          show = TRUE, locations = c(-0.3, 0.5)
  )),
  caps = list(
    x = list(show = FALSE),
    y = list(show = FALSE),
    z = list(show = FALSE)
    )
) 
fig <- fig %>%
  layout(
    margin=list(t = 0, l = 0, b = 0),
    scene=list(
        camera=list(
            eye=list(
                x = 1.86,
                y = 0.61,
                z = 0.98
            )
        )
    )
)

fig

Multiple Isosurfaces with Caps

library(plotly)

df <- read.csv('https://raw.githubusercontent.com/plotly/datasets/master/clebsch-cubic.csv')

fig <- plot_ly(
  df,
  type='isosurface',
  x = ~x,
  y = ~y,
  z = ~z,
  value = ~value,
  isomin = -10,
  isomax = 10,
  surface = list(show = TRUE, count = 4, fill = 0.8, pattern = 'odd'),
  caps = list(
    x = list(show = TRUE),
    y = list(show = TRUE),
    z = list(show = TRUE)
    )
) 
fig <- fig %>%
  layout(
    margin=list(t = 0, l = 0, b = 0),
    scene=list(
        camera=list(
            eye=list(
                x = 1.86,
                y = 0.61,
                z = 0.98
            )
        )
    )
)

fig

Reference

See our reference page for more information and chart attribute options!.

What About Dash?

Dash for R is an open-source framework for building analytical applications, with no Javascript required, and it is tightly integrated with the Plotly graphing library.

Learn about how to install Dash for R at https://dashr.plot.ly/installation.

Everywhere in this page that you see fig, you can display the same figure in a Dash for R application by passing it to the figure argument of the Graph component from the built-in dashCoreComponents package like this:

library(plotly)

fig <- plot_ly() 
# fig <- fig %>% add_trace( ... )
# fig <- fig %>% layout( ... ) 

library(dash)
library(dashCoreComponents)
library(dashHtmlComponents)

app <- Dash$new()
app$layout(
    htmlDiv(
        list(
            dccGraph(figure=fig) 
        )
     )
)

app$run_server(debug=TRUE, dev_tools_hot_reload=FALSE)