edge sampling section for handout

handout/diagrams/area_sampling.tex

@@ -0,0 +1,37 @@
+\begin{tikzpicture}[scale = 0.6, every node/.style={scale=0.6}]
+    %tri after movement
+    \draw[
+        fill,
+        lightgray
+    ] (-0.3,0) -- (6.3,0) -- (3,3.3) -- cycle;
+
+    %primary tri
+    \draw[
+        fill,
+        gray
+    ] (0,0) -- (6,0) -- (3,3) -- cycle;
+
+    %arrow
+    \draw[
+        -to,
+        line width = 1.2pt,
+        black
+    ] (3,3) -- (3,4);
+
+    % occlusion tri
+    \draw[
+        fill,
+        red
+    ] (3,2) -- (4.5,0.2) -- (6,3);
+
+    % samples
+    \foreach \x/\y in {
+            1/0.5,
+            1/2.5,
+            3/0.5,
+            3/2.5,
+            5/0.5,
+            5/2.5
+        }
+    \node[fill = yellow] at (\x,\y) {};
+\end{tikzpicture}