adjusting readme figures

README.Rmd

@@ -6,8 +6,7 @@ output: github_document
 knitr::opts_chunk$set(
   collapse = TRUE,
   comment = "#>",
-  fig.path = "man/figures/README-",
-  out.width = "100%"
+  fig.path = "man/figures/README-"
 )
 ```
 
@@ -48,7 +47,7 @@ website](https://osmcode.org/osmium-tool/#download).
 The package currently includes only three entrypoints to Osmium's API. To
 demonstrate them, we will use some sample data bundled with the package.
 
-```{r}
+```{r, eval = requireNamespace("ggplot2", quietly = TRUE), fig.width = 6, fig.height = 5.5}
 library(rosmium)
 library(ggplot2)
 
@@ -69,7 +68,7 @@ Additionally, the function can also take the strategy to be used when creating
 the extract, which defaults to `"complete_ways"`. Please check the function
 documentation for details on the available strategies and their behavior.
 
-```{r}
+```{r, eval = requireNamespace("ggplot2", quietly = TRUE), fig.width = 6, fig.height = 4.5}
 # buffering the pbf bounding box 4000 meters inward and using the result
 # extent to extract the osm data inside it. transforming the crs because
 # inward buffers only work with projected crs

README.md

@@ -49,7 +49,7 @@ cur_pbf_lines <- sf::st_read(cur_pbf, layer = "lines", quiet = TRUE)
 ggplot(cur_pbf_lines) + geom_sf()
 ```
 
-<img src="man/figures/README-unnamed-chunk-2-1.png" width="100%" />
+![](man/figures/README-unnamed-chunk-2-1.png)<!-- -->
 
 ### `extract()`
 
@@ -86,7 +86,7 @@ ggplot() +
   geom_sf(data = smaller_bbox_poly, color = "red", fill = NA)
 ```
 
-<img src="man/figures/README-unnamed-chunk-3-1.png" width="100%" />
+![](man/figures/README-unnamed-chunk-3-1.png)<!-- -->
 
 ### `tags_filter()`
 
@@ -154,10 +154,10 @@ or the most appropriate application, depending on the output format.
 ``` r
 # displays the content of the previous tags_filter() output in html format
 show_content(output, spinner = FALSE)
-#> [1] "/tmp/RtmpHTYZ4f/osm_content36271afb6bcd.html"
+#> [1] "/tmp/RtmpcvrR7F/osm_content72fa21d39d4b.html"
 ```
 
-<img src="man/figures/filtered_file_content.png" width="100%" />
+<img src="man/figures/filtered_file_content.png" width="721" />
 
 ## Acknowledgement