R for
Authoring!!

OOH Session #38…
…customizing Callouts

Open Office Hours
(August 13, 2024)

• Recap session #37       ↔︎️
• Focal issue:
  • Callout customization
• Shared problem-solving

Recap of Session #37:

Lightbox images 💡💡📷💡💡

• Code chunk
• in-line {span}
• Galleries

# lightbox: true

library(ggplot2)
library(palmerpenguins)

ggplot(data = penguins,
 mapping = aes(x = body_mass_g, 
           y = bill_length_mm, 
           colour = species)) +
  geom_point() +
  labs(x = "Body mass, g", 
       y = "Bill length, mm", 
       colour = "Species") 

1

add #| lightbox: true to code chunk commands

![](pinkpanther.jpg){.lightbox}

Tip

Image-by-image (using {spans} or #| lightbox: true code-chunk specifications) seems to be a preferred method within revealjs presentations because…

![](pinkpanther.jpg){.lightbox group="pinko"}

![](snagglepuss.jpg){.lightbox group="pinko"}

Warning

…you can also “turn on” lightbox within the YAML: lightbox: true – however, this appears to interfere with .absolute image placement specifications

Today:

Callout customization:

Note

There are five built-in callouts:

• note
  
• tip
  
• warning
  
• caution
• important

Tutorial

Fantastic walk-through available here

Session Info (August 13, 2024) Rendering:

R version 4.2.2 (2022-10-31 ucrt)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 19045)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.utf8 
[2] LC_CTYPE=English_United States.utf8   
[3] LC_MONETARY=English_United States.utf8
[4] LC_NUMERIC=C                          
[5] LC_TIME=English_United States.utf8    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] palmerpenguins_0.1.1 ggplot2_3.5.1        fontawesome_0.5.2   

loaded via a namespace (and not attached):
 [1] compiler_4.2.2    pillar_1.9.0      tools_4.2.2       digest_0.6.31    
 [5] lubridate_1.9.3   jsonlite_1.8.8    evaluate_0.23     lifecycle_1.0.4  
 [9] tibble_3.2.1      gtable_0.3.5      timechange_0.3.0  pkgconfig_2.0.3  
[13] rlang_1.1.3       cli_3.6.0         rstudioapi_0.15.0 yaml_2.3.8       
[17] xfun_0.42         emo_0.0.0.9000    fastmap_1.1.1     withr_3.0.0      
[21] stringr_1.5.1     dplyr_1.1.4       knitr_1.45        generics_0.1.3   
[25] vctrs_0.6.5       grid_4.2.2        tidyselect_1.2.1  glue_1.6.2       
[29] R6_2.5.1          fansi_1.0.6       rmarkdown_2.26    farver_2.1.1     
[33] purrr_1.0.1       magrittr_2.0.3    scales_1.3.0      htmltools_0.5.7  
[37] assertthat_0.2.1  colorspace_2.1-0  labeling_0.4.3    utf8_1.2.4       
[41] stringi_1.7.12    munsell_0.5.1     crayon_1.5.2