Upgrade slides & clean for new session

.gitignore

@@ -195,3 +195,4 @@ notebooks/*dataxy
 notebooks/*gnuxy
 src/*dataxy
 src/*gnuxy
+fortran.html

assets/marp.config.js

+const marpKrokiPlugin = require('./kroki-plugin')
+
+module.exports = {
+  engine: ({ marp }) => marp.use(marpKrokiPlugin)
+}

assets/tum.css

+/* @theme tum */
+
+@import 'default';
+
+section {
+  /*background-color: #fff;
+  color: #000;
+  background-image: url('images/TUM_Logo_blau_rgb_s.svg');
+  background-repeat: no-repeat;
+  background-position: right 40px top 40px;
+  background-size: 8%;*/
+}
+
+section.lead {
+  /*background-image: url('images/TUM_Uhrenturm.png');
+  background-position: right;
+  background-size: 45%;*/
+}
+
+section h1,
+section h2 {
+  color: #1f315c;
+}
+section a {
+  color: #5fb2e6;
+}
+section footer,
+section::after {
+  color: #9cb7d4;
+}
+
+section.invert {
+  background-color: #003359;
+  color: #fff;
+  /*background-image: url('images/TUM_Logo_weiss_rgb_s.svg');*/
+}
+
+section.lead.invert {
+  /*background-image: url('images/TUM_Uhrenturm_w.png');*/
+}
+
+section.invert h1,
+section.invert footer,
+section.invert::after {
+  color: #fff;
+}
+
+section.invert a {
+  color: #e37222;
+}
+
+/* Add "Page" prefix and total page number */
+section::after {
+  content: attr(data-marpit-pagination) ' / ' attr(data-marpit-pagination-total);
+}

compile.sh

+#!/bin/bash
+#
+# PY Barriat, October 2022
+#
+# Download and install marp (MarkDown slides extension) from here:
+# https://github.com/marp-team/marp-cli/releases
+#
+
+marp --allow-local-files --theme ./assets/tum.css slides.md -o slides.pdf
+marp --template bespoke --bespoke.progress --allow-local-files --theme ./assets/tum.css slides.md -o fortran.html

src/solutions/08_ChristmasTree.f90

-program ChristmasTree
-
-  implicit none
-
-  integer i, h, hmax, line, ball
-  character(8) hmax_string
-  character(1) sball
-
-  ! get the command line argument
-  call getarg(1,hmax_string)
-
-  ! cast string to integer
-  read(hmax_string,*) hmax
-
-  ball=1 
-  do h=1,hmax
-    line=1
-    ! write spaces to align the head of the tree
-    write(*,'(a)',advance='no') repeat(' ',hmax-h)
-    ! loop to decide when we have to create a new line
-    do while(line.le.(2*h-1))
-      ! modulo to decide when we have to put a ball or not
-      sball='#'
-      if(mod(ball,6).eq.0) sball='o'
-      write(*,'(A)',advance='no') sball
-      ! increment ball/line decision variables
-      ball=ball+1
-      line=line+1
-    enddo
-    ! create a new line
-    write(*,*)
-  enddo
-
-end program