better raytracing diagramm

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}

presentation/presentation.tex

@@ -10,6 +10,7 @@
 \captionsetup[figure]{labelformat=empty}
 \usepackage{csquotes}
 \usepackage{tikz, ifthen, calc}
+\usetikzlibrary{calc,patterns,angles,quotes}
 
 
 

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}
 
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 %% | Farben |