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Is there anything in std library or boost (or good enough libraries) which let me make good plots in c++? I would need something like matplotlib of python or gnuplot.
Thank you
There are a couple of "native" C++ libraries for plotting. The two I'm familiar with are:
CERN's ROOT framework - This gives you a lot more than just plotting, and is specifically geared toward analysis of large amounts of data, but it does have a lot of fairly advanced plotting tools.
MathGL - though not as powerful or as easy to use as ROOT, it provides a simple way to plot all but the most complex of plots.
There is nothing "standard " about these libraries, but they are both fairly well supported.
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is it possible to draw a adjacency graph like the one shown below in c++
and show it graphically.
is this even possible with C++
if yes can some one please point me to the correct library or tutorial.
or an example or would be really helpful.
i would be using visual studio 2015 for this task.
There are plenty of plotting libraries google search will offer you, but they do require downloading source and building them which is sometimes not trivial especially for a beginner.
I suggest looking at graphviz which as you can see has similar graphics to your example. Good walk through on how to build it could be found here with specifics related to VS here.
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For a more complex project, I need to compute the approximate, relative distances of objects from two images (from stereo-cameras). Practically what this neat tutorial explains: https://chrisjmccormick.wordpress.com/2014/01/10/stereo-vision-tutorial-part-i/ and with a result like that
Think I shouldn't be reinventing the wheel for this project and since speed is very important (realtime from two videostreams) I'm looking for a native library (preferably in C++ where the whole project is written in) for this task.
Does anyone have a suggestion?
Open source would be greatest but not mandatory.
Huge thanks in advance!
try with LIBELAS library (Library for Efficient Large-scale Stereo Matching).
Best!
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How might one implement data frame in R, Python, and other languages using C++?
In general, data.frame solves a problem which is solved fundamentally differently in C++ (and other languages) – namely via class hierarchies, or, in the simplest case, via a vector of tuples.
Since you haven’t given specifics it’s hard to know what exactly you are after but if it’s ease of computation, Armadillo is a good linear algebra library for C++ (one among many). I haven’t yet found a good statistics framework for C++ – I suggest simply sticking with R for that.
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I would like to mix several sound (wave) streams into one.
Each stream might have a different format (bits/sample, channel count, etc.), so conversion is needed also.
I am looking for a library to do this, which I can link into my VS C++ project, before jumping in and implementing my own.
If you just want a library you can use the SOX library. It is pretty good and easy to use.
If you want more control over how the mixing is done, and maybe have more than 2 files to mix, you should take a look at the STK library
It is very simple yet quite powerful. The following is an example of how you can use a single line of code to mix two waves (simple superpositioning of the signals)
output.tick( input1.tick()*0.5+ input2.tick()*0.5 );
Hope this helps.
FMOD is quite good.
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We want to include data visualization in our desktop GUI (mostly timelines and graphs; clickable, draggable). We want to restrict to open-source, non-copyleft C++ libraries that allow commercial use and are portable across many platforms. Which library can I use? Our GUI is based on WxWidgets.
there is VTK.
And if data visualization is your thing, have a look at opendx too.
I think this question would be easier to answer if you also stated which other GUI components you use. Perhaps that limits the choice of available libraries. Since you're C++ and cross-platform, maybe wxWindows? Would be good not to have to guess.