Plotting with C

Question

C  seems to show some promise for scientific computing  but I found very little about one plotting 2D graphs  which is very important both for science student and scientists   Is there a reliable  free  way to create publication quality 2D plot with C    And the capacity to save to several formats  png  eps        Something similar to Python s matplotlib

User · Answer

FWIW  you probably want to look at F  instead of C  in the context of technical computing because F  is specifically designed for that purpose  However  I developed my own commercial plotting library because I was not satisfied with anything freely available on  NET

User · Answer

I just wanted to supplement MajesticRa s recommendation of OxyPlot  and point out how OxyPlot can be used for a variety of plotting cases  The software is free and Open-Source  very polished  and allows for a variety of uses beyon normal 2D mapping   I ve been using OxyPlot for an unorthodox project  where I display  in WPF C   a map  Robotic Occupancy Grid  which I could overlay with LineSeries  Path Traveled  and PointSeries  Way Points   Using the OxyPlot ImageAnnotation feature I am able to display 60Hz Video within my OxyPlot  by periodically updating the ImageAnnotation on its own thread  while mapping Series of points overtop the video  The background video and points are even scalable and translatable   Hopefully this is helpful for other looking to display plots overtop of images and videos

User · Answer

NPlot is a pretty good simple open source 2D plotting API  Unfortunately  the web site is down  I don t know if this is just temporary or not  I haven t heard of any bad news  It may come back up   http   www nplot com  Here is an article describing it   http   aspnet 4guysfromrolla com articles 072507-1 aspx  The previous article uses VB NET  but obviously this will work with C    Again  not sure why nplot s site is not currently working but it is a somewhat popular plotting API that I ve used in the past  I post it for your information and in case of the likely event nplot will be back up soon      Edit   Thanks to a Hosam Aly  it looks like the SourceForge project can still be accessed here   http   sourceforge net projects nplot

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There is OxyPlot which I recommend  It has packages for WPF  Metro  Silverlight  Windows Forms  Avalonia UI  XWT  Besides graphics it can export to SVG  PDF  Open XML  etc  And it even supports Mono and Xamarin for Android and iOS  It is actively developed too   There is also a new  at least for me  open source  NET plotting library called Live-Charts  The plots are pretty interactive  Library suports WPF  WinForms and UWP  Xamarin is planned  The design is made towards MV  patterns  But  Pawel Audionysos suggests not such a good performance of Live-Charts WPF

User · Answer

gnuplot is an actively maintained program widely used in the scientific community  Normally plots are generated from data files which you can write out in your C  program  but it is also possible to call the gnuplot executable from C  and display the generated image in a C  picture box

User · Answer

ZedGraph is a good choice

User · Answer

See Samples Environment for Microsoft Chart Controls      The samples environment for Microsoft Chart Controls for  NET Framework contains over 200 samples for both ASP NET and Windows Forms  The samples cover every major feature in Chart Controls for  NET Framework  They enable you to see the Chart controls in action as well as use the code as templates for your own web and windows applications    Seems to be more business oriented  but may be of some value to science students and scientists

User · Answer

I started using the new ASP NET Chart control a few days ago  and it s absolutely amazing in its capabilities   Here is the link   EDIT  This is obviously only if you are using ASP NET  Not sure about WinForms

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