I'm compiling a pdf using child .Rmd's. The example_child.Rmd calls an image using knitr::include_graphics() and compiles fine on its own, but trying to compile example_main.Rmd produces the following error.
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! LaTeX Error: File `images/example_image' not found.
Error: LaTeX failed to compile example_main.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See example_main.log for more info.
Execution halted
example_main.Rmd compiles fine when only calling child documents that don't call images (it calls data from sub-folders just fine). Any help would be appreciated! All the relevant info about my session and files is below:
My working directory is "/Users/example_project"
The example_main.Rmd (file path "/Users/example_project/folder_1/example_main.Rmd") YAML and code-chunk are as follows:
---
output:
pdf_document:
latex_engine: xelatex
---
```{r child = './folder_2/example_child.Rmd'}
```
The example_child.Rmd (file path "/Users/example_project/folder_1/folder_2/example_child.Rmd") YAML and code chunk are as follows:
---
output: pdf_document
---
```{r example, echo = FALSE, out.width='80%', out.height='50%'}
knitr::include_graphics("./images/example_image.png")
```
The full image file path is "/Users/example_project/folder_1/folder_2/images/example_image.png".
My session info is as follows:
R version 3.6.3 (2020-02-29)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS Mojave 10.14.6, RStudio 1.2.5033
Locale: en_US.UTF-8 / en_US.UTF-8 / en_US.UTF-8 / C / en_US.UTF-8 / en_US.UTF-8
Package version:
base64enc_0.1.3 digest_0.6.25 evaluate_0.14 glue_1.4.0 graphics_3.6.3 grDevices_3.6.3 highr_0.8
htmltools_0.4.0 jsonlite_1.6.1 knitr_1.28.2 magrittr_1.5 markdown_1.1 methods_3.6.3 mime_0.9
Rcpp_1.0.4 rlang_0.4.5 rmarkdown_2.1 stats_3.6.3 stringi_1.4.6 stringr_1.4.0 tinytex_0.21.1
tools_3.6.3 utils_3.6.3 xfun_0.12 yaml_2.2.1
Pandoc version: 2.3.1
You can reconstruct the path to the image using the working directory of the child document (in example_child.Rmd)
---
output: pdf_document
---
```{r example, echo = FALSE, out.width='80%', out.height='50%'}
knitr::include_graphics(paste0(getwd(), "/images/example_image.png"))
```
It seem that this is an issue with 'grandchild' documents similar to that described here and here