edge sampling section for handout

This commit is contained in:
CDaut 2023-06-21 11:19:00 +02:00
parent 2bf100bf94
commit b182bfcd07
6 changed files with 150 additions and 9 deletions

View file

@ -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}

View file

@ -1,4 +1,4 @@
\begin{tikzpicture}
\begin{tikzpicture}[scale = 0.9, every node/.style={scale=0.9}]
\def\raynum{60}
@ -7,7 +7,7 @@
{
\draw[color = darkgray] (\x /\raynum * 6 ,0) -- (3,4);
}{
\draw[color = cyan] (\x /\raynum * 6 ,0) -- (3,4);
\draw[color = red] (\x /\raynum * 6 ,0) -- (3,4);
}
}
@ -18,7 +18,7 @@
\draw [color=darkgray] (0,0) -- node[below]{wall} (6,0) ; % wall
\draw [color=cyan](1.5,1) -- node[below]{blocker} (4.5,1); %blocker
\draw [color=red](1.5,1) -- node[below]{blocker} (4.5,1); %blocker
%cam
\node[
@ -37,11 +37,11 @@
\fill[
cyan
red
] (5,3) -- (6.7,3) -- (6.7,3.3) -- (5,3.3) -- cycle;
\draw[darkgray] (8,2) coordinate (darkgray_ray_isec) -- (5,5) coordinate (orig);
\draw[cyan] (6.4,3.3) coordinate (cyan_ray_isec) -- (5,5);
\draw[red] (6.4,3.3) coordinate (red_ray_isec) -- (5,5);
%line
\draw (mag.north east) -- (7,2);
@ -57,6 +57,6 @@
angle eccentricity=1,
pic text options={shift={(3mm,3mm)}}
]
{angle = cyan_ray_isec--orig--darkgray_ray_isec};
{angle = red_ray_isec--orig--darkgray_ray_isec};
\end{tikzpicture}

View file

@ -0,0 +1,42 @@
\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 {
0.5/0.5,
1.5/1.5,
2.5/2.5,
3.5/2.5,
5.5/0.5
}
\node[fill = yellow] at (\x,\y) {};
\node[
fill = yellow,
fill opacity = 0.4,
] at (4.5,1.5) {};
\end{tikzpicture}

View file

@ -0,0 +1,34 @@
\begin{tikzpicture}[scale = 0.6, every node/.style={scale=0.8}]
\draw[
fill,
lightgray
] (-2,0) -- (3,0) -- (-0.5,-6) -- (-2,-6) -- cycle;
\draw[
fill,
red
] (-2, -3) -- (-2,-4) -- (2,-6) -- (4.3,-6) -- (4.3,-4) -- cycle;
\draw[
-to,
line width = 1.5pt,
] (3,-1) -- (4.3,-1);
\draw[
fill,
blue
] (1.7,-2) circle (15pt);
\draw[
fill,
blue
] (0.4,-4.2) circle (15pt);
\node (fu) at (1.4,-1) {\LARGE $f_u$ $(+)$};
\node (fl) at (2.4,-3) {\LARGE $f_l$ $(-)$};
\node (nocontrin) at (2,-4.5) {\LARGE $f_u=f_l$};
\end{tikzpicture}