Using an ERT box I can add a background image to Beamer presentation with
\usebackgroundtemplate{\includegraphics[width=\paperwidth]
{/home/graham/Dropbox/Lectures/R-Intro/Images/Moon.png}}
But this adds it to every slide, and I only want it on a single slide.
I have tried some other options such as putting this in the preamble
(from searching the Lyx archives)
\newcommand\BackgroundPicture[1]{%
\setbeamertemplate{background}{%
\parbox[c][\paperheight]{\paperwidth}{%
\vfill \hfill
\includegraphics[width=0.8\paperwidth,height=0.8\paperheight]{#1}
\hfill \vfill
}}}
and then
\BackgroundPicture{image}
But again this adds the same image to every slide.
I have tried replacing the image with nil \BackgroundPicture{} for the
next slide to try and switch it off, and tried replacing it with a
different image, but both are ignored.
The Latex instructions are to put the entire slide in a graphics block
ended with a } but putting this in an ERT at the end of the slide throws
an error. even when I have a matching { at the beginning of the code.
I have tried the "end frame" menu option, but again this doesn't stop
the graphic appearing on all subsequent slides.
Hopefully this is one of those things that is easy to do, just difficult
to find.
Thanks,
Graham
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Graham M Smith
