General ⇒ avoiding viewport when using includegraphics with pdf files

[steve6390]

Hi folks,
I use the same pdf graphic many times and would like to avoid specifying a viewport in every instance. If the graphic changes, I'd have to redo all these. I created a .bb file, but this is mostly useless with .pdf files. What a drag.

So, I'm interested in a solution that avoids retyping the viewport when I change the source graphic. Preferrably a solution that uses some external file (like .bb) so I don't have to change my .tex file at all.

Here's an example that shows the problem:

Code: Select all

Code, edit and compile here:

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% Comments start with the % character
\documentclass{article}
\usepackage[hiresbb]{graphicx}
\begin{document}
% this one works, no bb file
\begin{figure}[ht]
\setlength\fboxsep{0pt}
\fbox{ \includegraphics[width=1in, viewport=25.877109 204.315111 79.269959 252.823984]{spiral_1_nobb.pdf}}
\end{figure}
% this one works, bb file and viewport
\begin{figure}[ht]
\setlength\fboxsep{0pt}
\fbox{\includegraphics[width=1in,viewport=25.877109 204.315111 79.269959 252.823984]{spiral_1.pdf}}
\end{figure}
% misplaced graphic, bb file only
\begin{figure}[ht]
\setlength\fboxsep{0pt}
\fbox{\includegraphics[width=1in]{spiral_1.pdf}}
\end{figure}
\end{document}
 
 
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Run LaTeX here

The contents of spiral_1.bb are:

Code: Select all

Code, edit and compile here:

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%%BoundingBox: 25 204 80 253
%%HiResBoundingBox: 25.877109 204.315111 79.269959 252.823984
 
 
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Run LaTeX here

[Juanjo]

This thread considers a similar problem. The solution given there may inspire you something that suits your needs.

[steve6390]

Thanks Juanjo. I also had that problem while experimenting and it's nice to see a solution.
In my case, I put the whole includegraphics line in a macro:

Code: Select all

Code, edit and compile here:

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\newcommand{\spiralone}{\includegraphics[width=\linewidth, viewport=25.877109 204.315111 79.269959 252.823984]{spiral_1}}
...
\begin{figure}
\spiralone
\end{figure}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Run LaTeX here

I'd rather not have to change my source at all. The bbox built-in to .eps files would give this advantage. I've noticed many complaints about the lack of equivalent functionality for pdf.

[T3.]

I'd rather not have to change my source at all

In that case why not just crop your pdf to desired size with some pdf-tool? You can even do it with pdflatex alone using preview package, e.g.:

Code: Select all

Code, edit and compile here:

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\documentclass{minimal}
\usepackage[hiresbb]{graphicx}
\usepackage[active,tightpage,graphics]{preview}
\begin{document}
\includegraphics[viewport=25.877109 204.315111 79.269959 252.823984]{spiral_1}
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Run LaTeX here

Cheers,

Tomek

[steve6390]

Hi Tomek -- Thanks for the pointer. I tried your sample code. It built fine, but the displayed image appeared to be normal letter size with the small sprial shape in the upper left. Maybe I misunderstand?

In the past I tried clipping a pdf file with gs (gswin32c in my case). However, I'm unable to find a solution that actually works without the viewport when included in my .tex files. The viewport is always necessary.

I'm trying again with pdfcrop, which failed with windows + Activestate PERL. Upgrading my cygwin install in hopes that will work.

[T3.]

Works fine here and shows correctly (i.e. page is cropped to the viewport size) using the exact same file you attached.

Just now I tried it again with MiKTeX 2.7 & TL2008 and it looks OK in arco, foxit, pdf-xchange, sumatra and gsview. Have you tried the code as I posted it? Note that preview package have to be made active to do its magic. Otherwise, the document is typeset as usual.

Cheers,

Tomek