The scale option of \includegraphics does not work after changing the document class

Question

After .cls file changes, \includegraphics[scale=0.5]{img/GoalHierarchyMetaModel.png} command gives the following error.

! Package keyval Error: scale=0.5 undefined.

See the keyval package documentation for explanation.
Type  H <return>  for immediate help.
...                                              

l.6 ...[scale=0.5]{img/GoalHierarchyMetaModel.png}

MWE can be accessed from google drive in here.

main_e.tex is the working one, main_m.tex outputs error above. Only difference between those files is documentclass.

main_e.tex uses \documentclass[conference]{IEEEtran}
main_m.tex uses \documentclass[chaparabic,ceng,phd,12pt,oneandhalf]{metu}

Possibly the first class loads graphicx while the second loads graphics. I recommend you explicitly load graphicx if you want to include image files. — Nicola Talbot, Apr 22 '14 at 19:22
If you're using babel for Turkish, look at http://tex.stackexchange.com/questions/32178/usepackageturkishbabel-and-includegraphics-inconcistency — egreg, Apr 22 '14 at 19:26
@NicolaTalbot nah you wouldn't get a keyval error from graphics: something has made = not catcode 12. — David Carlisle, Apr 22 '14 at 20:11
@DavidCarlisle Oh, weird. Next thing you know some package will make square brackets active. — Nicola Talbot, Apr 22 '14 at 21:30
@HeikoOberdiek: What itself is marked as duplicate of \usepackage[turkish]{babel} and \includegraphics inconcistency. — Speravir, Apr 22 '14 at 21:33
@Speravir: But the latter does not contain the alternative solution of egreg via xkeyval. Thus some merging should be done. — Heiko Oberdiek, Apr 22 '14 at 21:36
@HeikoOberdiek: Or even better: \newgeometry doesn't work with Turkish babel package, because it does contain much more solution ways. — Heiko Oberdiek, Apr 22 '14 at 21:39
@HeikoOberdiek: Ah, but now both questions will appear as original to this question. — Speravir, Apr 22 '14 at 21:39

score 6 · Accepted Answer · answered Apr 22 '14 at 21:20

6

As egreg guessed your class has \RequirePackage[english,turkish]{babel} which apparently redefines = you need to locally set it back:

{\shorthandoff=%
 \includegraphics[scale=0.5]{img/GoalHierarchyMetaModel.png}}

answered Apr 22 '14 at 21:20

David Carlisle

757,742

The scale option of \includegraphics does not work after changing the document class

1 Answers1