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I created a pdf file from a Matlab imagesc plot. I have remove the colorbar and axis and now I want to have this image in my tex document. I manged to get the axes almost as I want them, but the colorbar won't work. There is no error, but also no colorbar. What am I missing?




\begin{axis}[axis on top,title=Test,colormap/jet]
 \addplot graphics[xmin=0,xmax=1,ymin=0,ymax=1,zmin=0,zmax=.5]

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closed as too localized by Jake, Martin Tapankov, Claudio Fiandrino, zeroth, lockstep Mar 15 '13 at 17:08

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You forgot to supply colorbar, i.e. \begin{axis}[colorbar, axis on... – Psirus Mar 12 '13 at 11:58
@Psirus: That was easy... Thanks :) – Anke Mar 12 '13 at 12:38
Well, I just realized that I have a nice colorbar, but the labels are wrong. I gave the zmin and zmax because I thought this would make it right, but apparently it doesn't... My image is a Matlab imagesc plot, so I have x and y, but the color indicates height. How do I change labels on a colorbar? – Anke Mar 12 '13 at 12:50
You could try \addplot[point meta min=0, point meta max=0.5] graphics[xmin=0,... – Psirus Mar 12 '13 at 13:14
@Psirus: Ah, thanks. This is perfect :) – Anke Mar 12 '13 at 13:23