Allow for producing figures interactively

study.org

@@ -568,16 +568,24 @@ and =low=, on linear systems of different sizes (see Figure [[results-time]]).
 The results clearly show the advantage of using data compression, especially
 with increasing size of the target linear system.
 
+#+NAME: get-time-plot
+#+HEADER: :noweb yes :exports results :results file graphics
+#+HEADER: :file ./figures/results-time.pdf :eval never-export
+#+begin_src R
+<<code-time>>
+#+end_src
+
 #+CAPTION: Computation times of sequential runs of =minisolver= on linear
 #+CAPTION: systems of varying size and using different compression levels.
 #+NAME: results-time
 #+ATTR_LaTeX: :width 1\columnwidth
-[[./figures/results-time.pdf]]
+#+RESULTS: get-time-plot
+[[file:./figures/results-time.pdf]]
 
 **** Plot                                                          :noexport:
 :PROPERTIES:
 :CUSTOM_ID: plot-time
-:header-args: :tangle results-time.R
+:header-args: :tangle results-time.R :noweb-ref code-time
 :END:
 
 To plot Figure [[results-time]], we rely on the R language and its graphical
@@ -648,11 +656,10 @@ Regarding the plot appearance, we select one of the pre-defined themes, i.e. the
 theme_bw()
 #+end_src
 
-At the very end of the script, we produce the plot into a =*.svg= file while
-specifying the destination as well as the initial dimensions.
+At the very end of the script, we produce the plot.
 
 #+begin_src R
-ggsave(file = "figures/results-time.pdf", plot = plot, width = 5, height = 3)
+print(plot)
 #+end_src
 
 *** Peak RAM usage
@@ -667,16 +674,24 @@ executions of HMAT using two different compression levels, i.e. =high= and
 the results clearly show the advantage of using data compression, especially
 with increasing size of the target linear system.
 
+#+NAME: get-ram-plot
+#+HEADER: :noweb yes :exports results :results file graphics
+#+HEADER: :file ./figures/results-ram.pdf :eval never-export
+#+begin_src R
+<<code-ram>>
+#+end_src
+
 #+CAPTION: RAM usage peaks of sequential runs of HMAT on linear systems of
 #+CAPTION: varying size and using different compression levels.
 #+NAME: results-ram
 #+ATTR_LaTeX: :width 1\columnwidth
-[[./figures/results-ram.pdf]]
+#+RESULTS: get-ram-plot
+[[file:./figures/results-ram.pdf]]
 
 **** Plot :noexport:
 :PROPERTIES:
 :CUSTOM_ID: plot-ram
-:header-args: :tangle results-ram.R
+:header-args: :tangle results-ram.R :noweb-ref code-ram
 :END:
 
 To plot Figure [[results-ram]], we use nearly the same R script as in the case
@@ -705,12 +720,7 @@ scale_color_manual(
   values = c("high" = "#F07E26", "low" = "#9B004F")
 ) +
 theme_bw()
-#+end_src
-
-The destination file name changes too, of course.
-
-#+begin_src R
-ggsave(file = "figures/results-ram.pdf", plot = plot, width = 5, height = 3)
+print(plot)
 #+end_src
 
 * Conclusion