test_plotter.cc File Reference

#include <Nsound/AudioStream.h>
#include <Nsound/Buffer.h>
#include <Nsound/Nsound.h>
#include <Nsound/Generator.h>
#include <Nsound/Plotter.h>
#include <Nsound/Sine.h>
#include <cmath>
#include <iostream>

Include dependency graph for test_plotter.cc:

Go to the source code of this file.

Functions
void	testBuffer ()
int	main (int argc, char **argv)

Function Documentation

void testBuffer

(

)

int main	(	int	argc,
		char **	argv
	)

Definition at line 47 of file test_plotter.cc.

References Nsound::Generator::drawFatGaussian(), Nsound::Generator::drawGaussian(), Nsound::Generator::drawLine(), Nsound::Plotter::figure(), Nsound::Plotter::plot(), Nsound::AudioStream::plot(), Nsound::Plotter::show(), Nsound::Plotter::subplot(), Nsound::Plotter::title(), Nsound::Plotter::xlabel(), and Nsound::Plotter::ylabel().

{
    Generator generator(5000);
    Sine sine(5000);

    AudioStream as(5000, 2);

    // Draw some signals.
    as[0] = sine.drawGaussian(2.0, 1.0, 0.10);
    as[1] = sine.drawFatGaussian(2.0, 0.3);

    Plotter pylab;

    // Plot a buffer in blue.
    pylab.plot(as[0],"b");

    // Plot a buffer in red.
    pylab.plot(as[1],"r");

    // Set the title.
    pylab.title("blue = default gaussian, red = gaussian with 30% pass band");

    // Set the axis labels.
    pylab.xlabel("sample");
    pylab.ylabel("amplitude");

    // Creating a plot with two subplots
    Buffer x_axis = sine.drawLine(2.0, 0.0, 2.0);

    pylab.figure();
    pylab.subplot(2,1,1);
    pylab.title("default gaussian");
    pylab.plot(x_axis, as[0], "b");
    pylab.ylabel("amplitude");

    pylab.subplot(2,1,2);
    pylab.title("gaussian with 30% pass band");
    pylab.plot(x_axis, as[1], "r");
    pylab.xlabel("seconds");
    pylab.ylabel("amplitude");

    // simple plot of AudioStream
    as.plot("quick plot from AudioStream");

    // simple plots of Buffers
    as[1].plot("quick plot, gaussian with 30% pass band");
    as[0].plot("quick plot, default gaussian");

    Plotter::show();

    return 0;
}