From 284024399190881395b451f3f09480c38c39591b Mon Sep 17 00:00:00 2001
From: CDaut <git@cdaut.de>
Date: Thu, 15 Jun 2023 17:39:22 +0200
Subject: [PATCH] better raytracing diagramm

---
 presentation/diagrams/diagramm_occlusion.tex | 31 +++++++++++++++++++-
 presentation/presentation.tex                |  1 +
 presentation/prototyper.tex                  |  3 +-
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/presentation/diagrams/diagramm_occlusion.tex b/presentation/diagrams/diagramm_occlusion.tex
index feebd8f..345f838 100644
--- a/presentation/diagrams/diagramm_occlusion.tex
+++ b/presentation/diagrams/diagramm_occlusion.tex
@@ -23,11 +23,40 @@
     %cam
     \node[
         circle,
-        fill = kit-gray100,
+        fill = kit-gray70,
         minimum width = 1mm,
         outer sep = 2mm
     ] (camera) at (3,4)  {};
     \node at (camera.north) {camera};
 
+    %magnifier
+    \node[
+        circle,
+        draw
+    ] (mag) at (4.5, 1){};
+
+
+    \fill[
+        kit-green100
+    ] (7,2) -- (9,2) -- (9,1.7) -- (7,1.7) -- cycle; 
+
+    \draw[kit-blue100] (10,1) coordinate (blue_ray_isec) -- (7,4) coordinate (orig);
+    \draw[kit-green100] (8.7,2) coordinate (green_ray_isec) -- (7,4);
+
+    %line
+    \draw (mag.north east) -- (7,2);
+
+    %magnifier box
+    \draw (7,4) -- (10,4) -- (10,1) -- (7,1) -- cycle;
+
+    \pic [
+        draw, 
+        ->, 
+        "$d\omega$", 
+        angle radius=20mm,
+        angle eccentricity=1.1,
+        pic text options={shift={(3mm,3mm)}}
+        ]
+        {angle = green_ray_isec--orig--blue_ray_isec};
 
 \end{tikzpicture}
diff --git a/presentation/presentation.tex b/presentation/presentation.tex
index 58e943e..19b73fb 100644
--- a/presentation/presentation.tex
+++ b/presentation/presentation.tex
@@ -10,6 +10,7 @@
 \captionsetup[figure]{labelformat=empty}
 \usepackage{csquotes}
 \usepackage{tikz, ifthen, calc}
+\usetikzlibrary{calc,patterns,angles,quotes}
 
 
 
diff --git a/presentation/prototyper.tex b/presentation/prototyper.tex
index c441109..77af0af 100644
--- a/presentation/prototyper.tex
+++ b/presentation/prototyper.tex
@@ -1,7 +1,8 @@
-\documentclass[margin = 5mm]{standalone}
+\documentclass[tikz, margin = 5mm]{standalone}
 \usepackage{tikz}
 \usepackage{calc}
 \usepackage{ifthen}
+\usetikzlibrary{calc,patterns,angles,quotes}
 
 %% ----------
 %% | Farben |