94 lines
No EOL
2.7 KiB
TeX
94 lines
No EOL
2.7 KiB
TeX
\begin{figure}
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\begin{minipage}{0.45\linewidth}
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\begin{figure}
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\begin{tikzpicture}
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%tri after movement
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\draw[
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fill,
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kit-green40
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] (-0.3,0) -- (6.3,0) -- (3,3.3) -- cycle;
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%primary tri
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\draw[
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fill,
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kit-green100
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] (0,0) -- (6,0) -- (3,3) -- cycle;
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%arrow
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\draw[
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-to,
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line width = 1.2pt,
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kit-red100
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] (3,3) -- (3,4);
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% occlusion tri
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\draw[
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fill,
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kit-red100
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] (3,2) -- (4.5,0.2) -- (6,3);
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% samples
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\foreach \x/\y in {
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1/0.5,
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1/2.5,
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3/0.5,
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3/2.5,
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5/0.5,
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5/2.5
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}
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\node[fill = yellow] at (\x,\y) {};
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\end{tikzpicture}
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\caption[area sampling]{area sampling}
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\end{figure}
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\end{minipage}
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\hspace{10mm}
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\begin{minipage}{0.45\linewidth}
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\begin{figure}
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\begin{tikzpicture}
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%tri after movement
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\draw[
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fill,
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kit-green40
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] (-0.3,0) -- (6.3,0) -- (3,3.3) -- cycle;
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%primary tri
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\draw[
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fill,
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kit-green100
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] (0,0) -- (6,0) -- (3,3) -- cycle;
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%arrow
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\draw[
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-to,
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line width = 1.2pt,
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kit-red100
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] (3,3) -- (3,4);
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% occlusion tri
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\draw[
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fill,
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kit-red100
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] (3,2) -- (4.5,0.2) -- (6,3);
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% samples
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\foreach \x/\y in {
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0.5/0.5,
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1.5/1.5,
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2.5/2.5,
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3.5/2.5,
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5.5/0.5
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}
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\node[fill = yellow] at (\x,\y) {};
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\node[
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fill = yellow,
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fill opacity = 0.4,
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] at (4.5,1.5) {};
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\end{tikzpicture}
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\caption[edge sampling]{edge sampling}
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\end{figure}
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\end{minipage}
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\caption{Sampling a single pixel. Calculate gradient with respect
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to green triangle moving up. Measure white part of pixel vs.\ green part.}
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\end{figure} |