You sure have a lot of questions!
PlotShare is an easy to use web plotter based on gnuplot that helps you to visualize your data.
You can quickly and easily:
You can compile almost every gnuplot script with just a few restrictions. But you do not really have to know how to use gnuplot in order to produce nice looking plots. The Tutorial section below will help you with the most basic plots and the Templates will show you more versatile examples.
You do not have to set outputs, the web interface will automatically take care of output assignment. Every plot command will generate a separate image. Since this page will provide several image formats automatically, do also do not have to set any terminal.
You might want to look into the Gnuplot Short Reference for some extra functionality that will not be listed on this page.
PlotShare is (of course) for everyone but it is especially helpful for those, who need quicks plots and do not want to depend on third party software. Some of the applications include:
You can use PlotShare even when you have never heard of gnuplot before, because the simple things like function plotting are very intuitive and probably need not prior knowledge. Beside that you do not have to think about setting the output and the terminal right and concentrate on the plot itself. Also it gives you the possibility to directly share plots with your friends instead of sharing those plots via e-mail or subversioning. You can also directly view ALL your results on one page just with one click, so you do not have to switch to the single plot files in order to view your results which can be pretty annoying sometimes. Also it can be much more productive when you create a certain plot file and test it, because results can be reviewed much quicker.
In the Tutorial you can learn all the basics of how to plot functions and data, fitting this data and retrieve important data such as fitting variables.
PlotShare will filter all commands that might cause security problems (such as set output, set terminal, cd, !, pause, etc...) but otherwise, your gnuplot script should run as usual and produce the same results. If you depend on external data, you should first include this data either by submitting the file or pasting the data into one of the designated text areas. You probably have to adjust the filenames of your data plots to the names of the external data text fields.
Plotshare provides a simple preconfigured style for the first three line styles and slightly changes the axis and the grid. If you do not like this or want your script to be unchanged, use the plain option.
Up until now, you can upload data files up to 3 MB which should be more then enough for most of the applications of PlotShare.
No abuse has been noticed yet so there is no limit on the daily plots.
Since we want to avoid spamming, only 10 of your plotting commands will actually be executed. Also the piping function of gnuplot is disabled due to server security reasons.
We are currently running Version 4.6 patchlevel 3 (last modified 2013-04-12) but we are constantly updating to new versions.