4
votes
1answer
57 views

Expressing a y-only shift with `axis direction cs` with symbolic x coords

I have a vertical bar chart with error bars. I want to put a star just above or below the error bar where the results are significant. I achieved this using the very neat trick provided in this ...
2
votes
1answer
24 views

How to print in a node the \coordindex multiplied by a value?

I would like to print in a node the \coordindex multiplied by a value. Is it possible? now: node [ some code... ] {$\coordindex$} after (?) node [ some code... ...
4
votes
1answer
87 views

How to add labels to polar plot / polar comb in polaraxis and show FULL coordinates?

In pgfplots, I am trying to: for a first figure: label 12 polar plots plotted on the bases of 12 tables (values given in cartesian coordinates) without showing a legend but adding a label directly ...
5
votes
1answer
113 views

Specify x and y in different coordinate systems in pgfplots similar to gnuplot

In gnuplot you can specify positions in several coordinate systems: First, Second, Graph, Screen, Character. What are the equivalents in pgfplots? I know the following: First : axis cs: Second : ...
7
votes
1answer
115 views

Placing node at path using `midway` in pgfplots

I thought my problem would have been possibly answered anywhere here, but I could not get it to work. Questions I consider linked to mine but which weren´t able to solve my issue are node placement ...
6
votes
1answer
158 views

How to prepare coordinates for 3D surface plot using pgfplots

I'm trying to plot a Pareto front on 3 dimensions, using pgfplots. However, although I expect a nice surface to appear (since it is a Pareto front), pgfplots does not produce the result I want (yet). ...
2
votes
1answer
80 views

Apply shift to (current axis.left of origin)

I was trying to improve the solution at Drawing lines in a plot and give them a label? by using Jake's answer at How to access \xmin, \xmax, \ymin, \ymax from within PGFplots axis environment. So, ...
1
vote
1answer
190 views

how to add annotation to ybar pgfplots with symbolic x coords

I would like to add an annotation, or better, an arrow to a particular ybar in a plot, but I am struggling with the symbolic x data. I've used \pgfplotsinvokeforeach to read in variable data, and so ...
0
votes
1answer
222 views

How can I draw with coordinates of intersection in pgfplots?

When using pgfplots, the command \pgfgetlastxy works well without axis environment and with axis environment set as default. But it is hard getting the correct coordinate of intersecting, when ...
5
votes
2answers
184 views

Labeling node values on the axes

I want to draw some curves and some special coordinates on the curves, then label the nodes on the axes. So far I have done it manually like this (it's a diagram for the Markowitz risk premium in case ...
12
votes
2answers
384 views

How can I do an affine coordinate transformation in pgfplots?

It is possible to perform a general affine coordinate transformation in TikZ by combining the shift, x, and y keys (or just the generalized cm key to set the coordinate matrix and shift). This allows ...
3
votes
2answers
274 views

How to reference an axis label, e.g. xlabel

I'm new to that forum but it already helped a lot, thanks for this! But now I really got stuck. Basically I'm looking for a possiblity to reference the xlabel of an axis in a TikZ picture. The ...
11
votes
1answer
2k views

pgfplots - Placing Nodes on x Coordinates of a Plot

I want to plot some graphs in pgfplots and want to place nodes on the exact same x coordinate of the plot. The position of the note has to be set in x direction but free in y direction. Here is one ...
2
votes
0answers
255 views

Tikz - Using calculated coordinates inside the plot function [closed]

I'm wondering if its possible to use calculated coordinates inside the function plot, somehow like this: \documentclass{article} \usepackage{tikz} \usetikzlibrary{calc, positioning} ...
6
votes
1answer
410 views

Problem with external graphics and 3D pgfplots

I want to include an external graphics with pgfplots. I tried to follow the instructions of the manual (p45 et seq.) as carefully as possible. But the result is hoorible as hell. Here is the code I ...
4
votes
1answer
1k views

Box plots with symbolic x coords

I'd like to use box plots with pgfplots. As an additional feature, I'd want my x coordinates to be symbolic. Currently, only the last line from the file data/gp.dat is plotted. It works fine, if I use ...
7
votes
2answers
474 views

Transforming “rel axis cs” to absolute coordinates?

I've got two plots arranged vertically using \matrix. I'd like to draw a vertical line, that spans over both plots with a margin of 1cm at the top and at the bottom. The starting point of the line ...
1
vote
0answers
200 views

Pgfplots: How to get the data to be shown by hours instead of days? [duplicate]

Possible Duplicate: pgfplot: Datafile format for datetime field The solution to the following problem is probably very straightforward, but I've yet to find the right solution. I'm trying ...
1
vote
1answer
569 views

use the coordinates of an axis tip with pgf plot

here's a drawing I just made (the sine function are replaced by external datas) \documentclass[12pt]{article} \usepackage{pgfplots} \usepackage{tikz} ...
4
votes
1answer
304 views

More: Generalised: Accessing the logic values of a TikZ coordinate

This is a follow-up question to: Generalised: Accessing the logic values of a TikZ coordinate. In that question a PGFplot answer was suggested by jake. I took that answer and modified it to the ...
1
vote
1answer
82 views

Equivalent of \providecoordinate?

I am looking for something that is the equivalent of \providecoordinate in TikZ/PGFplots. This would be easy if I knew how to test if a coordinate is already defined. There are similar questions ...