Graphics loading, latex and pdflatex differences

Asked Jun 11 '17 at 02:39

Active Jun 11 '17 at 02:39

Viewed 177 times

I have a strange graphics loading problem which I can't explain. I have this simple file docs/paper.tex

\documentclass[10pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\graphicspath{{./docs/}}
\includegraphics[scale=0.40]{teapot}
\end{document}

In the same directory as docs/paper.tex I have a file called docs/teapot.png. In my project root directory I call pdflatex:

$ /usr/bin/pdflatex docs/paper.tex

It works fine. However, if I call latex:

$ /usr/bin/latex docs/paper.tex
...
! LaTeX Error: File `teapot' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              

l.656   \includegraphics[scale=0.40]{teapot}

Why does pdflatex and latex work differently here? And what is the right way to do it?

asked Jun 11 '17 at 02:39

Stand with Gaza

1

You cannot use png figures with latex. That is the whole point. – Johannes_B Jun 11 '17 at 04:26
Other answers say that you can: https://tex.stackexchange.com/questions/19176/how-to-insert-an-image-into-latex-document – Stand with Gaza Jun 11 '17 at 13:35
Where, i cannot see it. – Johannes_B Jun 11 '17 at 13:38
https://tex.stackexchange.com/a/21646/126379 – Stand with Gaza Jun 11 '17 at 15:34
This answer talks about pdf-compatible image files (png, jpg and pdf) and dvi-compatible image files (eps). png images won't work with latex (which is pdflatex in dvi-mode). – Johannes_B Jun 11 '17 at 15:55
According to https://tex.stackexchange.com/a/17737/126379 it should work if you use the parameters natwidth and natheight. I tried, but it didn't help. – Stand with Gaza Jun 11 '17 at 17:05
Never use that options unless you really know whats going on. – Johannes_B Jun 11 '17 at 17:41

Graphics loading, latex and pdflatex differences

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