graphics/plot2d.cpp
/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* https://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <arrayfire.h>
#include <math.h>
#include <cstdio>
using namespace af;
static const int ITERATIONS = 50;
static const float PRECISION = 1.0f / ITERATIONS;
int main(int, char**) {
try {
// Initialize the kernel array just once
af::Window myWindow(800, 800, "2D Plot example: ArrayFire");
array Y;
int sign = 1;
array X = seq(-af::Pi, af::Pi, PRECISION);
array noise = randn(X.dims(0)) / 5.f;
myWindow.grid(2, 1);
for (double val = 0; !myWindow.close();) {
Y = sin(X);
myWindow(0, 0).plot(X, Y);
myWindow(1, 0).scatter(X, Y + noise, AF_MARKER_POINT);
myWindow.show();
X = X + PRECISION * float(sign);
val += PRECISION * float(sign);
if (val > af::Pi) {
sign = -1;
} else if (val < -af::Pi) {
sign = 1;
}
}
} catch (af::exception& e) {
fprintf(stderr, "%s\n", e.what());
throw;
}
return 0;
}