Ricardo Reis wrote:

> 
>   How can I do this [type of] graph with veusz?
> 
>   http://en.wikipedia.org/wiki/File:AmdahlsLaw.svg
> 
> 
>   x varies with log base 2. generally, if I have a data table, how can I
> have the x spacing uniform for a given x evolution. Sorry if I'm being
> confusing. Think like this...
> 
>   table:
> 
>   x values: 0, 1, 20, 35, 100
> 
>   and in the graph this points would appers but equally spaced...
> 
>   possible? easy? if not I can try to think of some alternative

It should be possible.

- Create/import a dataset for x which is 0, 1, 2, 3...
- Import y values
- Import a text dataset which are the values you want on the axis "0", "1", 
"20"...
- Add an xy plotter, using the x and y values
- Set the label option to be the text dataset
- Go to the x axis and switch mode to "labels"
- Hide the labels for the xy plotter

Jeremy



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