From c853ffb5b2f75f5a889ed2e3ef89b818a736e87a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 13:50:49 +0200
Subject: Adding upstream version 1.3+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 doc/livarot-images/intersection-cross-product.svg | 443 ++++++++++++++++++++++
 1 file changed, 443 insertions(+)
 create mode 100644 doc/livarot-images/intersection-cross-product.svg

(limited to 'doc/livarot-images/intersection-cross-product.svg')

diff --git a/doc/livarot-images/intersection-cross-product.svg b/doc/livarot-images/intersection-cross-product.svg
new file mode 100644
index 0000000..b2004db
--- /dev/null
+++ b/doc/livarot-images/intersection-cross-product.svg
@@ -0,0 +1,443 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="500"
+   height="700"
+   viewBox="0 0 500.00001 700"
+   version="1.1"
+   id="svg6"
+   inkscape:version="1.1-dev (6f52e792f5, 2020-08-23, custom)"
+   sodipodi:docname="intersection-cross-product.svg"
+   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">
+  <defs
+     id="defs2">
+    <marker
+       style="overflow:visible"
+       id="marker1557"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1555" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1499"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1497" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1489"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1487" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1347"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1345" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1231"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1229" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1159"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1157" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1149"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1147" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1091"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1089" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1033"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1031" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1023"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1021" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker933"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path931" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker903"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path901" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker847"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path845" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1121"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Arrow1Lend"
+       inkscape:isstock="true"
+       inkscape:collect="always">
+      <path
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         id="path1119" />
+    </marker>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="1.7070136"
+     inkscape:cx="185.70443"
+     inkscape:cy="463.67527"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     width="1000.0005px"
+     inkscape:window-width="1920"
+     inkscape:window-height="1016"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1121)"
+       d="M 40.376023,51.195578 184.68385,195.50341"
+       id="path829" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker847)"
+       d="M 186.94302,51.087771 42.635185,195.39561"
+       id="path843" />
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="27.279669"
+       y="45.689095"
+       id="text875"><tspan
+         sodipodi:role="line"
+         id="tspan873"
+         x="27.279669"
+         y="45.689095">left</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="174.84354"
+       y="39.357662"
+       id="text879"><tspan
+         sodipodi:role="line"
+         id="tspan877"
+         x="174.84354"
+         y="39.357662">right</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:0.860571px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker903)"
+       d="M 361.95404,61.714577 486.14115,185.90169"
+       id="path899" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:0.860571px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker933)"
+       d="M 361.95404,61.714577 237.76692,185.9017"
+       id="path929" />
+    <text
+       xml:space="preserve"
+       style="font-size:13.7691px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.860571"
+       x="428.63852"
+       y="123.67144"
+       id="text967"><tspan
+         sodipodi:role="line"
+         id="tspan965"
+         x="428.63852"
+         y="123.67144"
+         style="stroke-width:0.860571">left</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:13.7691px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.860571"
+       x="267.50607"
+       y="120.33862"
+       id="text971"><tspan
+         sodipodi:role="line"
+         id="tspan969"
+         x="267.50607"
+         y="120.33862"
+         style="stroke-width:0.860571">right</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1033)"
+       d="M 31.562822,248.05474 175.87065,392.36257"
+       id="path1009" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1023)"
+       d="M 178.12982,247.94693 33.821984,392.25477"
+       id="path1011" />
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="168.3092"
+       y="239.50467"
+       id="text1015"><tspan
+         sodipodi:role="line"
+         id="tspan1013"
+         x="168.3092"
+         y="239.50467">left</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="13.953851"
+       y="240.20125"
+       id="text1019"><tspan
+         sodipodi:role="line"
+         id="tspan1017"
+         x="13.953851"
+         y="240.20125">right</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:0.860571px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1159)"
+       d="M 353.68417,264.68996 477.87128,388.87707"
+       id="path1135" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:0.860571px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1149)"
+       d="M 353.68417,264.68996 229.49705,388.87708"
+       id="path1137" />
+    <text
+       xml:space="preserve"
+       style="font-size:13.7691px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.860571"
+       x="261.2811"
+       y="322.17184"
+       id="text1141"><tspan
+         sodipodi:role="line"
+         id="tspan1139"
+         x="261.2811"
+         y="322.17184"
+         style="stroke-width:0.860571">left</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:13.7691px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.860571"
+       x="413.39346"
+       y="319.2049"
+       id="text1145"><tspan
+         sodipodi:role="line"
+         id="tspan1143"
+         x="413.39346"
+         y="319.2049"
+         style="stroke-width:0.860571">right</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="304.15286"
+       y="29.0243"
+       id="text1193"><tspan
+         sodipodi:role="line"
+         id="tspan1191"
+         x="304.15286"
+         y="29.0243">cross(ldir, rdir);</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1231);paint-order:normal"
+       d="m 390.02678,90.544454 c 0,0 -25.46234,33.475456 -54.15233,0.04604"
+       id="path1227"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1347)"
+       d="m 326.30728,291.97517 c 0,0 20.78023,28.33579 51.3341,-0.47436"
+       id="path1343"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:12.5877px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.786733"
+       x="301.95645"
+       y="141.09514"
+       id="text1385"><tspan
+         sodipodi:role="line"
+         id="tspan1383"
+         x="301.95645"
+         y="141.09514"
+         style="stroke-width:0.786733">cross(ldir, rdir) &gt; 0</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:12.5877px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.786733"
+       x="289.08221"
+       y="359.32712"
+       id="text1389"><tspan
+         sodipodi:role="line"
+         id="tspan1387"
+         x="289.08221"
+         y="359.32712"
+         style="stroke-width:0.786733">cross(ldir, rdir) &lt; 0</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1499)"
+       d="M 33.412499,452.06889 177.72033,596.37672"
+       id="path1479" />
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="56.942776"
+       y="522.93726"
+       id="text1485"><tspan
+         sodipodi:role="line"
+         id="tspan1483"
+         x="56.942776"
+         y="522.93726">left</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+       x="139.73827"
+       y="506.14304"
+       id="text1539"><tspan
+         sodipodi:role="line"
+         id="tspan1537"
+         x="139.73827"
+         y="506.14304">right</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1557)"
+       d="M 43.272694,443.14263 187.58052,587.45046"
+       id="path1553" />
+    <text
+       xml:space="preserve"
+       style="font-size:12.5877px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.786733"
+       x="292.02301"
+       y="537.99573"
+       id="text1585"><tspan
+         sodipodi:role="line"
+         id="tspan1583"
+         x="292.02301"
+         y="537.99573"
+         style="stroke-width:0.786733">cross(ldir, rdir) = 0</tspan></text>
+  </g>
+</svg>
-- 
cgit v1.2.3