From 60a8f99dafc4eae38bed3c0870eb0f2f9767696a Mon Sep 17 00:00:00 2001
From: Nicolas Kruse <nicolas@nonan.net>
Date: Wed, 4 Jun 2025 18:00:40 +0200
Subject: [PATCH] drawing for example added

---
 docs/media/soc_inverted.svg | 193 ++++++++++++++++++++++++++++++++++++
 1 file changed, 193 insertions(+)
 create mode 100644 docs/media/soc_inverted.svg

diff --git a/docs/media/soc_inverted.svg b/docs/media/soc_inverted.svg
new file mode 100644
index 0000000..6a5bf2d
--- /dev/null
+++ b/docs/media/soc_inverted.svg
@@ -0,0 +1,193 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="164.70512mm"
+   height="86.731506mm"
+   viewBox="0 0 164.70512 86.731506"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20e, 2023-11-25, custom)"
+   sodipodi:docname="soc_inverted.svg"
+   inkscape:export-filename="soc_export.svg"
+   inkscape:export-xdpi="96"
+   inkscape:export-ydpi="96"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     inkscape:zoom="1.0041055"
+     inkscape:cx="425.25411"
+     inkscape:cy="332.13641"
+     inkscape:window-width="1920"
+     inkscape:window-height="1009"
+     inkscape:window-x="1912"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1">
+    <marker
+       style="overflow:visible"
+       id="Triangle"
+       refX="0"
+       refY="0"
+       orient="auto-start-reverse"
+       inkscape:stockid="Triangle arrow"
+       markerWidth="2"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       inkscape:isstock="true"
+       inkscape:collect="always"
+       preserveAspectRatio="none">
+      <path
+         transform="scale(0.5)"
+         style="fill:context-stroke;fill-rule:evenodd;stroke:context-stroke;stroke-width:1pt"
+         d="M 5.77,0 -2.88,5 V -5 Z"
+         id="path135" />
+    </marker>
+  </defs>
+  <g
+     inkscape:label="Ebene 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-18.027099,-19.242669)">
+    <path
+       style="fill:none;stroke:#dadada;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Triangle);marker-end:url(#Triangle)"
+       d="M 23.663111,22.545169 V 97.81995 H 179.42973"
+       id="path1" />
+    <path
+       style="fill:none;stroke:#dadada;stroke-width:0.372829;stroke-dasharray:none;stroke-opacity:1"
+       d="M 170.85884,97.81995 V 95.304579"
+       id="path2" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3"
+       cx="40.768127"
+       cy="46.63377"
+       r="1.2658331" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3-7"
+       cx="60.487274"
+       cy="54.953339"
+       r="1.2658331" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3-6"
+       cx="94.775032"
+       cy="67.060722"
+       r="1.2658331" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3-8"
+       cx="133.16524"
+       cy="76.384407"
+       r="1.2658331" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3-1"
+       cx="23.607611"
+       cy="32.419498"
+       r="1.2658331" />
+    <circle
+       style="fill:#dddddd;fill-opacity:1;stroke:#dadada;stroke-width:0.468334;stroke-dasharray:none;stroke-opacity:1"
+       id="path3-8-3"
+       cx="170.49799"
+       cy="83.681023"
+       r="1.2658331" />
+    <path
+       style="fill:none;fill-opacity:1;stroke:#dadada;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       d="m 23.61653,32.379465 17.141782,14.300346 19.796893,8.151661 34.283565,12.111043 38.38268,9.502507 37.26475,7.266625"
+       id="path4"
+       sodipodi:nodetypes="cccccc" />
+    <text
+       xml:space="preserve"
+       style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       x="86.083488"
+       y="105.09981"
+       id="text4"><tspan
+         sodipodi:role="line"
+         id="tspan4"
+         style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465"
+         x="86.083488"
+         y="105.09981">Relative cell lenghs</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       x="169.54897"
+       y="103.00477"
+       id="text4-1"><tspan
+         sodipodi:role="line"
+         id="tspan4-1"
+         style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465"
+         x="169.54897"
+         y="103.00477">1</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       x="22.457224"
+       y="103.68204"
+       id="text4-1-1"><tspan
+         sodipodi:role="line"
+         id="tspan4-1-2"
+         style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465"
+         x="22.457224"
+         y="103.68204">0</tspan></text>
+    <path
+       style="fill:#000000;fill-opacity:1;stroke:#dadada;stroke-width:0.3;stroke-dasharray:none;stroke-opacity:1"
+       d="M 40.710985,49.035087 V 65.438055"
+       id="path5" />
+    <path
+       style="fill:#000000;fill-opacity:1;stroke:#dadada;stroke-width:0.3;stroke-dasharray:none;stroke-opacity:1"
+       d="m 60.546682,57.469645 v 7.773293"
+       id="path5-9" />
+    <path
+       style="fill:#000000;fill-opacity:1;stroke:#dadada;stroke-width:0.3;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Triangle);marker-end:url(#Triangle)"
+       d="M 58.396033,62.880678 H 42.878103"
+       id="path5-0"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       x="48.511959"
+       y="61.409679"
+       id="text4-1-1-5"><tspan
+         sodipodi:role="line"
+         id="tspan4-1-2-2"
+         style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465"
+         x="48.511959"
+         y="61.409679">Δz</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465;stroke-dasharray:none;stroke-opacity:1"
+       x="-72.630066"
+       y="21.160755"
+       id="text4-9"
+       transform="rotate(-90)"><tspan
+         sodipodi:role="line"
+         id="tspan4-5"
+         style="font-size:4.23333px;fill:#dedede;fill-opacity:1;stroke:none;stroke-width:0.465"
+         x="-72.630066"
+         y="21.160755">Current</tspan></text>
+    <path
+       style="fill:#000000;fill-opacity:1;stroke:#dadada;stroke-width:0.3;stroke-dasharray:1.2, 0.3;stroke-dashoffset:0;stroke-opacity:1"
+       d="M 94.728796,67.061137 V 97.890816"
+       id="path6" />
+    <path
+       style="fill:#000000;fill-opacity:1;stroke:#dadada;stroke-width:0.3;stroke-dasharray:1.2, 0.3;stroke-dashoffset:0;stroke-opacity:1"
+       d="M 133.2181,76.566042 V 97.753468"
+       id="path6-1"
+       sodipodi:nodetypes="cc" />
+  </g>
+</svg>