- Sections and slides rewritten in Swedish; German law and institutions replaced by Swedish/CEPT/ITU equivalents (PTS, SSA, PTSFS 2025:1, SSMFS 2008:18), unverified statements marked "% TODO VERIFY" - New toc: INSTEG, HAREC, UPPGRADERING; section idents are Swedish (see ident-map.tsv) - Exam-question tags, BNetzA question pool, solutions and the German SWL course removed - Static pages, snippets, applets, READMEs and image alt-texts translated - TikZ labels translated; SVG drawings regenerated (drawing 689 still fails to build upstream: it references a missing photo) - Changed from the original: not endorsed by DARC e.V., SSA or PTS Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
48 lines
2.2 KiB
TeX
48 lines
2.2 KiB
TeX
% Author: Prof. Dr. Matthias Jung, DL9MJ
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% Year: 2023
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\tdplotsetmaincoords{60}{103}
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\tikzstyle{area}=[draw=DARCblue,fill=DARCblue!80,fill opacity=0.6]
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\begin{tikzpicture}[scale=2.8,tdplot_main_coords]
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\def\rvec{1.0}
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\def\thetavec{35}
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\def\phivec{45}
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\def\dtheta{10}
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\def\dphi{16}
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\def\sphere#1#2#3{plot[domain=#1]({\rvec*sin(#2)*cos(#3)},{\rvec*sin(#2)*sin(#3)},{\rvec*cos(#2)})}
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\coordinate (O) at (0,0,0);
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\draw[thick,-Triangle] (0,0,0) -- (1.16*\rvec,0,0);
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\draw[thick,-Triangle] (0,0,0) -- (0,1.1*\rvec,0);
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\draw[thick,-Triangle] (0,0,0) -- (0,0,1.25*\rvec);
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\tdplotsetcoord{P}{\rvec}{\thetavec}{\phivec}
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\tdplotsetcoord{PB}{\rvec}{\thetavec+\dtheta}{\phivec}
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\tdplotsetcoord{PR}{\rvec}{\thetavec}{\phivec+\dphi}
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\tdplotsetcoord{PBR}{\rvec}{\thetavec+\dtheta}{\phivec+\dphi}
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\draw[DARCblue] (O) -- (PBR);
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\draw[DARCblue] (O) -- (PR);
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\draw[DARCblue] (O) -- (P);
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\draw[DARCblue] (O) -- (PB);
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\shade[ball color=blue!10!white,opacity=0.2]
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(1cm,0) arc (0:-180:1cm and 5mm)
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arc (180:0:1cm and 0.866cm);
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\draw[DARCgray] plot[domain=0:90]({\rvec*sin(\x)*cos(\phivec)},{\rvec*sin(\x)*sin(\phivec)},{\rvec*cos(\x)}) coordinate (BL);
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\draw[DARCgray] plot[domain=0:90]({\rvec*sin(\x)*cos(\phivec+\dphi)},{\rvec*sin(\x)*sin(\phivec+\dphi)},{\rvec*cos(\x)}) coordinate (BR);
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\draw[DARCgray] (O) -- (BL);
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\draw[DARCgray] (O) -- (BR);
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\draw[area]
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plot[domain=0:.99*\dphi]({\rvec*sin(\thetavec)*cos(\phivec+\x)},{\rvec*sin(\thetavec)*sin(\phivec+\x)},{\rvec*cos(\thetavec)}) --
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plot[domain=0:.99*\dtheta]({\rvec*sin(\thetavec+\x)*cos(\phivec+\dphi)},{\rvec*sin(\thetavec+\x)*sin(\phivec+\dphi)},{\rvec*cos(\thetavec+\x)}) --
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plot[domain=.99*\dphi:0]({\rvec*sin(\thetavec+\dtheta)*cos(\phivec+\x)},{\rvec*sin(\thetavec+\dtheta)*sin(\phivec+\x)},{\rvec*cos(\thetavec+\dtheta)}) --
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plot[domain=.99*\dtheta:0]({\rvec*sin(\thetavec+\x)*cos(\phivec)},{\rvec*sin(\thetavec+\x)*sin(\phivec)},{\rvec*cos(\thetavec+\x)}) --
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cycle;
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\draw[DARCred, fill=DARCred](0,0,0) to [open,-*,fill=DARCred,color=DARCred] ++(0,0);
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\draw[DARCred, fill=DARCred](0,0,0) node[above left, align=right] (){Isotrop\\strålare};
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\end{tikzpicture} |