.fits.png example

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Jeff Moe 2022-09-04 14:38:41 -06:00
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@ -123,3 +123,39 @@ Sample data from \texttt{.cat} file, just the top select lines of a 1,033 line f
786.5237 1.8174 6.0213 98.05751 27.88283 16.09418
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\end{minted}
\subsection{\texttt{.fits.png} FITS PNG Files}
\index{FITS}\index{PNG}\index{stvid}
The \texttt{stvid} application can generate multiple \gls{PNG} files,
depending how many satellites it finds. In every case it creates at
least one \gls{PNG} file, with a name like:
\texttt{2022-08-23T04:16:26.633.fits.png}
In this image, as can be see in figure \ref{fig:stvid-png}, page \pageref{fig:stvid-png},
no detected satellites are indicated.
The blue lines are from the ``Catalog'', which in this case means \glspl{TLE}.
The blue lines are drawn whether no, a few, or many satellites are detected.
They are generated by taking data from the \gls{plate-solver} about where the picture
\gls{FOV} is, and overlaying satellite \glspl{orbit} that are calculated from
\glspl{TLE}.
The main blue line is slightly offset from where the satellite is calculated to
appear.
The blue line forms a small \texttt{L} shape.
The smaller segment indicates the area where the satellite may pass.
Next to the small segment line is the \gls{NORAD ID} for the satellite.
If it is unknown, it will be given the number 90000 or larger.
\begin{figure}[p!]
\begin{center}
\includegraphics[keepaspectratio=true,height=1.00\textheight,width=1.00\textwidth,angle=0]{stvid/data/2022-08-23T04:16:26.633.fits.png}
% \includegraphics[keepaspectratio=true,height=1.00\textheight,width=1.00\textwidth,angle=0]{stvid/data/2022-08-23T04:16:26.633.fits.png}
\caption{\texttt{stvid} PNG.}
\label{fig:stvid-png}
\index{stvid}\index{PNG}\index{FITS}
\end{center}
\end{figure}

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