Display diagram vertically?

[seanhardison1]

Hi Javier,

Thanks for the great uml interface. How can I make a diagram display vertically (rather than horizontally as in your "[Hello]-[world]" example) from rmarkdown?

Here's my example:

---
output:
  github_document:
    fig_width: 4
    fig_height: 1
always_allow_html: yes
---

```{r setup, include = FALSE}
library(nomnoml)
knitr::opts_chunk$set(eval = TRUE, echo = F, warning = F)
knitr::opts_chunk$set(fig.path = "tools/readme/", dev = "png")

```

```{nomnoml nomnoml-decorator, width = 4, height = 10}

#fontSize: 7
#spacing: 50
#padding: 20
#stroke: black
#.box: fill=lightblue visual=ellipse

[Final Document (.pdf/.html)] <- [<box>render_ecsa.R ]
[render_ecsa.R ] <- [Reviewed Draft (.Rmd)]
[Reviewed Draft (.Rmd)] <- [<box>merge_to_bookdown.R] 
[merge_to_bookdown.R] <- [Figure skeleton (.Rmd)]
[Reviewed Draft (.Rmd)] <- [<box>merge_to_bookdown.R] 
[merge_to_bookdown.R] <- [Text outline (google doc)]
[Figure skeleton (.Rmd)] -> [Text outline (google doc)]
[Text outline (google doc)] <- [<box>create_template.R]
[Figure skeleton (.Rmd)] <- [create_template.R]
[create_template.R] <- [Stock template (.Rmd)]

```

[rparrish]

Try adding the "direction" directive:
#direction: down

[Robinlovelace]

Confirmation, this works:

nomnoml::nomnoml(" #direction: down
#.box: visual=ellipse fill=#8f8 bold fontsize=14
#.blob: visual=ellipse

  [<abstract>Zones]->[<database>Input data]
  [<abstract>Networks]->[Input data]
  [<abstract>OD]--:>[<box>Distribution]
  [<abstract>Scenarios]--:>[Input data]
  [Input data]->[<box>Trip generation]
  [Trip generation]->[<box>Distribution]
  [<box>Distribution]->[<box>Mode split]
  [Distribution]--:>[Trip generation] 
  [Mode split]->[<box>Assignment]
  [Mode split]--:>[Distribution]
  [Assignment]--:>[Mode split]
  [Assignment]--:>[<usecase>Evolution]")

^{Created on 2019-12-24 by the reprex package (v0.3.0)}