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So I have folders containing triplets of images which all have the same style as shown in an example below

Example image

It is basically an automatically generated image and a color-bar besides it. I want to display triplets of images in my LaTeX document with a single color-bar - this is easily achievable using subfloats

\begin{figure}[h]
\centering
\begin{subfigure}[b]{0.3\textwidth}
\centering
\includegraphics[trim = 21mm 22mm 38mm 14mm, clip]{img/batch01/dist01}
\caption{$r=1$}
\end{subfigure}
\begin{subfigure}[b]{0.3\textwidth}
\centering
\includegraphics[trim = 21mm 22mm 38mm 14mm, clip]{img/batch01/dist02}
\caption{$r=11$}
\end{subfigure}\hspace{20pt}
\begin{subfigure}[b]{0.3\textwidth}
\centering
\includegraphics[trim = 21mm 22mm 23mm 14mm, clip]{img/batch01/dist03}
\caption{$r=21$}
\end{subfigure}
\caption{Distances ...}
\end{figure}

Triplet example

But how should I make my life easier if I want to zoom in the data? Let's say to show only the middle 9-th of the square like this Zoomed triplet example

The example above was created using photo editing software. Unfortunately it would take a ridiculous amount of time for me to create them all like that.

What would you suggest? Maybe it is even possible to apply some kind of a grid to make individual pixels more distinctive (not sure about this one, may be too complicated and not worth it).

closed as off-topic by Bobyandbob, Zarko, Stefan Pinnow, Mensch, Phelype Oleinik Feb 9 '18 at 22:40

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    \includegraphics provides a scale option. To zoom your picture, you may use this scale option combined with clip and trim options (and adapted values). – Paul Gaborit May 23 '14 at 6:30
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    @Pranasas did Paul's suggestions help you to solve this? – Paul Gessler Jan 11 '15 at 23:24
  • 4
    I'm voting to close this question as off-topic because inactive questioner. – Bobyandbob Feb 9 '18 at 21:19