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When I use scale=0.3 I get a low quality images, Is this normal ? is there a way to avoid that ?
\documentclass[11pt,a4paper]{beamer}
\usepackage{graphicx}
\begin{frame}
\frametitle{A m a title}
\begin{figure}[hT]
\includegraphics[scale=0.360]{imgs/classical.png}
\end{figure}
\end{frame}
\end{document}
.png files are bitmaps, and don't scale well. if you can get a vector graphics file, that would be preferable.
as suggested by christian hupfer,
a .pdf file (or .eps file converted to pdf) is best, since it is in
the same format as the output file you are producing.
if you must use a bitmap file, try to get the file at exactly
the size you intend to use it; that would give much better results.
(but it would still scale poorly for someone changing the magnification
on a .pdf file while viewing it.)
pngis no vector graphics format, so scaling is always an issue then – user31729 May 31 '16 at 18:01svg? – user39755 May 31 '16 at 18:04.pngfiles are bitmaps, and don't scale well. if you can get a vector graphics file, that would be preferable. otherwise, if there is any way you can get the file directly at the size you want to use it, that would give much better results. (but it would still scale poorly for someone changing the magnification on a.pdffile while viewing it.) – barbara beeton May 31 '16 at 18:04.pdfor.epsand convert to.pdfthen, but see barbara beeton's comment as well – user31729 May 31 '16 at 18:07