Please answer to lyx-users.
Hans Kunkell wrote:
> > This is strange. tex2lyx adds this command to the preamble for me.
>
> I am running LyX/Mac. Can it perhaps be the problem?
I don't think so.
> >> but when adding the usepackage statement in the
> >> preamble I get the error "Undefined control sequence" for
> >> \includegraphics.
> >
> > Isn't the graphic imported natively? If it is imported as ERT, you need
> > to add \usepackage{graphicx} to the preamble.
>
> Yes, you are right. But after adding that I get the error: "Can not
> determine size of graphic in /Users/hans/bild.png". It is a file which I
> know works in LyX when I insert it the ordinary way.
You are using a png graphic. Ordinary latex cannot deal with that format (only
pdflatex can). If you use LyX's graphic insertion method, LyX converts the
graphic to eps automatically before running latex.
Jürgen
