7
votes
3answers
215 views

pgfplots: 3D surface plot from data with free format

I want to plot 3D data from a file (data file) using pgfplots. The data represents an ellipsoid. I want to draw the outer shell like in the following picture, just without the background and in ...
3
votes
0answers
99 views

How to color groups of bars in a graph, coming form an external file?

I have a graph displaying bars and error bars, the numbers comming from an external .dat, being simply black and white. And this is how I got there: \documentclass[12pt]{report} ...
3
votes
1answer
507 views

Undefined control sequence \text when importing Matlab figures

I'm following a tutorial to import Matlab figures through tikz, however after trying to compile the .tex file I get the following error: ABD: EveryShipout initializing macros (./mysphere.tikz ! ...
4
votes
1answer
132 views

Problem importing a table containing dollar signs in pgfplots

I use pgfplot for plotting (obviously). I load a table from a file, but I have the problem that my columns can have a dollar sign in them and then LaTeX complains: ! Extra }, or forgotten $. ...
2
votes
1answer
220 views

Externalize pgfplotstable with csv file

This is a direct follow-up question to this: Adding units to pgfplotstable header After fixing the output I tried outsourcing the table. After figuring out that standalone does not work with ...
2
votes
1answer
336 views

Trouble including a Matlab surf plot (pdf or png) with pgfplots

I have successfully used \addplot graphics before. Now I have a surf plot in Matlab, which I exported as png and pdf and I would like to include the image with \addplot3 graphics. I found some ...
3
votes
0answers
348 views

How to correctly set a colorbar for an external graphic? [closed]

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 ...
5
votes
1answer
892 views

External graphics and tikz externalize won't work together

I am using the tikz library external a lot and with success - so far. Now, I need to import an external file (eps, png, pdf... I don't care), and add the axes. I know I can do this with \addplot ...
8
votes
1answer
620 views

How to read value from table, assign to variable and use it in x expr=\thisrow{}

How can I read the first value from the first column of a table, assign it to a variable and the use it in some math expression with x expr=\thisrow{}? The code would be something like this, but in ...
7
votes
1answer
1k views

pgfplots from file: search path, looking for \graphicspath equivalent

I have recently discovered the wonderful pgfplots package and I've started coding my Python code to output tabular data of whatever is plotted (at least for simple plots). In my LaTeX source code, I ...
1
vote
1answer
234 views

pgfplots: correlation for data values from file works, but with errors

maybe I do not to see the wood for the trees, but I'm always getting error messages for compiling the following pgf code, while the output looks like the way it should. Does anyone see whats wrong ...
11
votes
1answer
4k views

pgfplot: Datafile format for datetime field

I have a datafile (which I may manipulate to any format), it contains a date-time stamp currently in the form "year-month-day hour:min" and a single variable for each recorded time. When I attempt to ...