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This site is an offspring from the github project gnuplot-JS. It combines the Mozilla project emscripten that compiles any C / C++ code into JavaScript with the free plotting tool gnuplot that works as a command-line plotting tool. Instead of sending the script to a server, execute it there and send you the result, this site uses latest HTML5 techniques and executes everything in your browser. That means you need a modern browser like Firefox, Chrome, IE10+... Your browser will consume a lot of memory during the making of your plot and might take a while.
Gnuplot uses terminals as outputs that could be printers, display drivers or image files. Needless to say that browsers can handle images best, so the default (and best working) in all demos is the svg terminal. The png cairo terminal did not make it as there were troubling dependency issues, but as it turns out most browsers can convert an svg (vector graphic) into a rasterized version (end of main page).
The demos are identical concatenated versions from gnuplot. The binary demos do not work from there as binary ajax "gets" are not in jQuery yet. They do work if you provide the binary file manually!
For questions regarding gnuplot, see this google group. For questions about the features of this site, use the send email button.
Use the professional open-source software gnuplot online, right in your browser to create stunning plots! Just copy & paste your data in the "Data" area or push a file to your browser. Nothing is uploaded, everything happens in your browser.
Besides a little scripting knowledge of the gnuplot scripting language, you need to know about the virtual file system VFS. This is just a representation of files available to gnuplot and files it eventually creates. You can access them on the right side in the VFS listing.
Everything you put in here is available to gnuplot as data.txt file. Every change you make in this editor is automatically pushed to the VFS and gnuplot is invoked with the current script.
This is the gnuplot script for gnuplot. Every change triggers a re-plot.
Only the svg terminal works for now. Ps terminals might work, but cannot be displayed (you have to download the generated file from VFS). Png is not included yet!
Something!
Any image that gnuplot creates and your browser is able to display goes here. Other output types appear only in the VFS panel.