我正在尝试制作下图，其中包含一个域
截屏，因为我不知道怎么放代码
我已经在 matcha 中完成了这个，但我想让域更加拓扑化一些。
tikzset{every picture/.style={line width=0.75pt}} %set default line width to 0.75pt
\begin{tikzpicture}[x=0.75pt,y=0.75pt,yscale=-1,xscale=1]
%uncomment if require: \path (0,349); %set diagram left start at 0, and has height of 349
%Straight Lines [id:da6992700303297221]
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%Shape: Circle [id:dp6642840789302853]
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%Shape: Arc [id:dp6495481894460198]
\draw [draw opacity=0][dash pattern={on 4.5pt off 4.5pt}] (103.01,139.14) .. controls (108.71,135.78) and (115.23,133.65) .. (122.26,133.14) .. controls (146.89,131.37) and (168.33,150.24) .. (170.13,175.29) .. controls (171.93,200.35) and (153.43,222.09) .. (128.79,223.87) .. controls (120.88,224.44) and (113.3,222.88) .. (106.6,219.67) -- (125.52,178.5) -- cycle ; \draw [dash pattern={on 4.5pt off 4.5pt}] (103.01,139.14) .. controls (108.71,135.78) and (115.23,133.65) .. (122.26,133.14) .. controls (146.89,131.37) and (168.33,150.24) .. (170.13,175.29) .. controls (171.93,200.35) and (153.43,222.09) .. (128.79,223.87) .. controls (120.88,224.44) and (113.3,222.88) .. (106.6,219.67) ;
%Shape: Arc [id:dp028167613747934084]
\draw [draw opacity=0][dash pattern={on 4.5pt off 4.5pt}] (146.01,137.14) .. controls (151.71,133.78) and (158.23,131.65) .. (165.26,131.14) .. controls (189.89,129.37) and (211.33,148.24) .. (213.13,173.29) .. controls (214.93,198.35) and (196.43,220.09) .. (171.79,221.87) .. controls (163.88,222.44) and (156.3,220.88) .. (149.6,217.67) -- (168.52,176.5) -- cycle ; \draw [dash pattern={on 4.5pt off 4.5pt}] (146.01,137.14) .. controls (151.71,133.78) and (158.23,131.65) .. (165.26,131.14) .. controls (189.89,129.37) and (211.33,148.24) .. (213.13,173.29) .. controls (214.93,198.35) and (196.43,220.09) .. (171.79,221.87) .. controls (163.88,222.44) and (156.3,220.88) .. (149.6,217.67) ;
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\draw (263.6,134.83) -- (424.11,53.02) ;
%Shape: Circle [id:dp1828616154616911]
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%Shape: Arc [id:dp6507059531688513]
\draw [draw opacity=0][dash pattern={on 4.5pt off 4.5pt}] (426.62,100.46) .. controls (423.63,106.36) and (419.27,111.67) .. (413.63,115.88) .. controls (393.82,130.63) and (365.6,126.27) .. (350.59,106.13) .. controls (335.58,85.98) and (339.47,57.69) .. (359.28,42.93) .. controls (365.64,38.2) and (372.86,35.43) .. (380.24,34.52) -- (386.45,79.41) -- cycle ; \draw [dash pattern={on 4.5pt off 4.5pt}] (426.62,100.46) .. controls (423.63,106.36) and (419.27,111.67) .. (413.63,115.88) .. controls (393.82,130.63) and (365.6,126.27) .. (350.59,106.13) .. controls (335.58,85.98) and (339.47,57.69) .. (359.28,42.93) .. controls (365.64,38.2) and (372.86,35.43) .. (380.24,34.52) ;
%Shape: Polygon Curved [id:ds43359789094645995]
\draw (15.6,52.83) .. controls (37.19,56.66) and (448.6,-23.17) .. (471.6,6.83) .. controls (494.6,36.83) and (480.6,241.83) .. (461.6,245.83) .. controls (442.6,249.83) and (-14.4,311.83) .. (14.6,270.83) .. controls (43.6,229.83) and (-6,49) .. (15.6,52.83) -- cycle ;
%Straight Lines [id:da11792787884022937]
\draw (233.6,125.83) -- (263.6,134.83) ;
%Straight Lines [id:da782866538959825]
\draw (189.11,174.57) -- (233.6,125.83) ;
%Straight Lines [id:da11834899062732096]
\draw [dash pattern={on 0.84pt off 2.51pt}] (207.6,26.83) -- (233.6,125.83) ;
% Text Node
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% Text Node
\draw (105,177) node [anchor=north west][inner sep=0.75pt] [align=left] {$\displaystyle z_{1}$};
% Text Node
\draw (135.61,180.8) node [anchor=north west][inner sep=0.75pt] [align=left] {$\displaystyle z_{2}$};
% Text Node
\draw (170.52,179.5) node [anchor=north west][inner sep=0.75pt] [align=left] {$\displaystyle z_{3}$};
% Text Node
\draw (243,165) node [anchor=north west][inner sep=0.75pt] [align=left] {$\displaystyle L$};
% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
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% Text Node
\draw (403.52,11.69) node [anchor=north west][inner sep=0.75pt] [rotate=-1.84,xslant=0.14] [align=left] {$\displaystyle N_{ \begin{array}{{>{\displaystyle}l}}
n\\
\end{array}}$};
% Text Node
\draw (426.11,39.02) node [anchor=north west][inner sep=0.75pt] [align=left] {$\displaystyle P$};
\end{tikzpicture}