我正在尝试说明 3D 系统，光线从一个垂直表面反射到另一个垂直表面，然后水平反射。我尝试了不同的风格来控制光线的路径和外观，但没有得到清晰的图像。例如，在第一个图中，水平反射表面的方向不正确。希望图像可以清楚地说明我的问题。任何帮助都值得赞赏。
试验一
\documentclass[%
% border=1pt
border={20pt 40pt 40pt 80pt} % left bottom right top
]{standalone}
\usepackage{tikz,pgfplots}
\usetikzlibrary{intersections,fadings,decorations.pathreplacing} %
\usepgfplotslibrary{patchplots}
\usepackage{xcolor}
\definecolor{Ground}{HTML}{EBF5FB}
\begin{document}
\begin{tikzpicture}
\tikzset{
pics/RIS/.style n args={3}{ % numRows, numCols, elementSize
code={
\def\numRows{5}
\def\numCols{5}
\def\elementSize{0.35}
\def\gap{0.1}
\pgfmathsetmacro{\xStart}{#1}
\pgfmathsetmacro{\yStart}{#2}
\pgfmathsetmacro{\zStart}{#3} % Adjust zStart for height
\foreach \row in {1,...,\numRows}{
\foreach \col in {1,...,\numCols}{
\pgfmathsetmacro{\xCoord}{\xStart+(\col-1)*(\elementSize+\gap)}
\pgfmathsetmacro{\yCoord}{\yStart+(\row-1)*(\elementSize+\gap)}
% Adjust below for the 3D perspective and orientation
\edef\temp{\noexpand\draw[fill=blue!20!white!30,draw=black] (axis cs:\xCoord,\yCoord,\zStart) -- ++(axis direction cs:\elementSize,0,0) -- ++(axis direction cs:0,\elementSize,0) -- ++(axis direction cs:-\elementSize,0,0) -- cycle;}
\temp
}
}
}
}
};
\tikzset{block/.style={draw, rectangle, width=\textwidth, height=1.5*\textwidth,drop shadow}}
\begin{axis}[ clip = false,
colormap={winter}{
HTML={EAF2F8}
HTML={EBF5FB}
},
xtick=\empty,
ytick=\empty,
ztick=\empty,
axis line style={draw=none},
zmin=-10, zmax=70]
\addplot3[surf,samples=25,x=-0.5:0.5, y=-0.5:0.5] { -0.01*x^2-0.01*y^2 };
\node[name=GS1] at (axis cs:0,0,16){}
;
\node[name=satone,rotate=-20] at (axis cs:17,17,50){};
\node[name=sat,rotate=-30] at (axis cs:12,15,120){};
\node[name=satthree,rotate=-30] at (axis cs:6,15,50){};
\path(GS1)--++(-120:10pt)--++(47:30pt)node[coordinate,name=A]{};
\path(satthree.west)--++(80:55pt)--++(0:0pt)node[coordinate,name=B]{};
\draw[-,dashed](A)--(B);
\pic[rotate=-45] at (0,0,0) {RIS={-10}{14}{60}};
\pic[rotate=-45] at (0,0,0) {RIS={-15}{12}{70}};
\pic[rotate=90,name=RIS1] at (axis cs:12,22,-50) {RIS={0}{0}{0}};
\path(sat.center)--++(0:20pt)node[coordinate,name=A]{};
\draw[-,thick](A)--++(-3,-10,-9)node[coordinate,name=D]{};
\node[name=sattwo,rotate=50] at (axis cs:14,18,20){};
\pic[rotate=45] at (0,0,0) {RIS={10}{-2}{-160}};
\path(sattwo.center)--++(0:7pt)node[coordinate,name=A]{};
\draw[-,thick](A)--++(-3,-10,-16)node[coordinate,name=C]{};
\path(satthree.center)--++(0:20pt)node[coordinate,name=A]{};
\draw[-,thick](A)--++(-1,-14,2)node[coordinate,name=E]{};
\path(satthree.center)--++(11.5:20pt)node[coordinate,name=A]{};
\draw[-,thick](A)--++(-19,15,-95)node[coordinate,name=B]{};
%Rays
\path(GS1)--++(-120:10pt)--++(47:30pt)node[coordinate,name=A]{};
\path[-](D)--++(-9,4.5,-80)node[coordinate,name=D]{};
\path[-](satone)--++(8:-12pt)node[coordinate,name=satone]{};
\draw[->,dashed,red](A)--(B)--(D)--(satone.center);
\path[-](satone)--++(90:-5pt)node[coordinate,name=satone]{};
\draw[->,dashed,red](A)--(E)--(C)--(satone.center);
\end{axis}
\end{tikzpicture}
\end{document}
第二次试验
\documentclass[%
% border=1pt
border={20pt 40pt 40pt 80pt} % left bottom right top
]{standalone}
\usepackage{tikz,pgfplots}
\usetikzlibrary{intersections,fadings,decorations.pathreplacing} %
\usepgfplotslibrary{patchplots}
\usepackage{xcolor}
\definecolor{Ground}{HTML}{EBF5FB}
\begin{document}
\tikzset{
pics/RIS/.style={ % No arguments needed
code={
% Fixed values for number of rows, columns, and element size
\def\numRows{5}
\def\numCols{5}
\def\elementSize{0.5cm}
\def\gap{0.1cm} % Space between squares
\foreach \row in {1,...,\numRows}{
\foreach \col in {1,...,\numCols}{
\pgfmathsetmacro{\xCoord}{(\col-1)*(\elementSize+\gap)}
\pgfmathsetmacro{\yCoord}{(\row-1)*(\elementSize+\gap)}
% Draw squares
\draw[fill=blue!20] (\xCoord,\yCoord,0) rectangle ++(\elementSize,\elementSize,0);
}
}
}
}
}
\begin{tikzpicture}
\tikzset{block/.style={draw, rectangle, width=\textwidth, height=1.5*\textwidth,drop shadow}}
\begin{axis}[ clip = false,
colormap={winter}{
HTML={EAF2F8}
HTML={EBF5FB}
},
xtick=\empty,
view={60}{15},
ytick=\empty,
ztick=\empty,
axis line style={draw=none},
zmin=-10, zmax=70]
\addplot3[surf,samples=25,x=-0.5:0.5, y=-0.5:0.5] { -0.01*x^2-0.01*y^2 };
\node[name=Startingpoint] at (axis cs:0,0,16){Starting point}
;
\addplot3[mesh, gray!50, domain=-30:30, samples=17, domain y=-30:30, samples y=17] {0};
\addplot3 [patch, patch refines=4, patch type=rectangle, white, faceted color=red!50 ] coordinates {(-30,0,8) (30,0,8) (30,0,-8) (-30,0,-8)};
\pic[rotate=-190] at (axis cs:0,50,70) {RIS};
\pic[rotate=-45] at (axis cs:0,0,0) {RIS};
\pic[rotate=90,name=RIS1] at (axis cs:12,22,-50) {RIS};
\pic[rotate=230,name=RIS3] at (axis cs:0,50,40) {RIS};
\node[name=Endpoint,rotate=-20] at (axis cs:17,100,50){Endpoint};
\path(Startingpoint)--++(-120:10pt)--++(47:30pt)node[name=A]{A};
\draw[-,dashed](A)--(axis cs:0,50,70);
\end{axis}
\end{tikzpicture}
\end{document}