Two images one on the other

I have two picture, one (Image 1) is the big one while the other (Image 2) is the small one that is a detail of the big one. I would like to do something like the zoom option (with tikzpicture) but instead to have the zoomed image image I just want to see the other image. Everything inside a figure with its caption.

tikzpicture

I made an example in case is difficult to understand what I want to do.
enter image description here Image 1 is my main image, the cross represents the schematised detail that is explained with Image 2. The two images are two .png.

Image 1

Image 2

.png

Is it possible?

Possible duplicate: Drawing on an image with TikZ
– Werner
Aug 21 at 16:09

3 Answers
3

Starting point. Now, you only need to connect the other anchors and decide the right position for the squares.

enter image description here

documentclassreport usepackagetikz usepackagegraphicx usepackagelipsum begindocument lipsum[1] beginfigure[h]centering begintikzpicture node[draw] (one) at (0,0)includegraphics[width=6cm]example-image-a; node[anchor=north,draw,inner sep=0pt] (two) at ([xshift=-1cm]one.north west)includegraphics[width=1cm]example-image-b; node[draw] (rect) at (-1,0); draw (two.south east) -- (rect.south west); endtikzpicture captiontext endfigure lipsum[2] enddocument

Does it exist an easy way to find the right position for the small square? Like an online tool that gives the relative coordinate of the main image using just the mouse pointer?
– Shika93
Aug 21 at 19:59

Mouse pointer is not good since usually the result is given in pixels. If you use Gimp (free) you can create a rectangle and see its coordinates in other units. Or use Imagemagick, which is lighter.
– Sigur
Aug 21 at 21:54

Ok it doesn't matter, I made it in the old way. Thanks it's perfect!
– Shika93
Aug 21 at 22:37

@Shika93, you're welcome.
– Sigur
Aug 21 at 22:43

A solution using path picture to clip the zoom.

path picture

And as @Sigur said 'Starting point. Now, you only need to connect the other anchors and decide the right position for the' circles.

documentclass[a4paper, 12pt]article usepackagemwe usepackagetikz begindocument beginfigure[h!] centering includegraphics[width=.7linewidth]example-image caption[Text for the list of figures]Text under the figure labelfig:theReference0 endfigure beginfigure[h!] centering begintikzpicture [path image/.style=path picture=node at (path picture bounding box.center) includegraphics[height=3cm]#1;] node (img) includegraphics[width=.7linewidth]example-image; node (c1) [draw, circle, red, text width=.7cm] at (img.center) ; draw [red] (c1.east) -- (img.east); draw [path image=example-image-a,draw=red,thick] (img.east) circle (2cm); endtikzpicture caption[Text for the list of figures]Text under the figure labelfig:theReference endfigure enddocument

enter image description here

+ Capitalizing the "a" to emphasize magnification
– Carel
Aug 21 at 20:49

With picture environment:

picture

documentclassarticle usepackagegraphicx begindocument noindent% setlengthunitlengthtextwidth% beginpicture(1,0.5)% put(0.3,0)includegraphics[width=.7textwidth]example-image% put(0,0.33)includegraphics[width=.2textwidth]example-grid-100x100bp% put(0.0,0.33)line(4,-1).4 put(0.0,0.53)line(4,-1).4 put(0.2,0.33)line(4,-1).4 put(0.2,0.53)line(4,-1).4 put(0.4,0.23)line(1,0).2 put(0.4,0.43)line(1,0).2 put(0.4,0.23)line(0,1).2 put(0.6,0.23)line(0,1).2 endpicture% enddocument

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