proseminar/handout/diagrams/edge_sampling.tex

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\begin{tikzpicture}[framed, scale = 0.55, 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,
darkgray
] (3,2) -- (4.5,0.2) -- (6,3);
% samples
\foreach \x/\y in {
0.5/0.5,
1.5/1.5,
2.5/2.5,
3.5/2.5,
5.5/0.5
}
\node[fill = black] at (\x,\y) {};
\node[
fill = black,
fill opacity = 0.5,
] at (4.5,1.5) {};
\end{tikzpicture}