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/* The source code for generating the above plot */
#include <math.h>
#include <chplot.h>
#define NUM1 360
#define NUM2 10
int main() {
int i;
double x0[NUM1], y0[NUM1];
double x1[NUM1], y1[NUM1];
double x2[NUM2], y2[NUM2];
double x3[NUM1], y3[NUM1];
int line_type=0, line_width =5;
class CPlot plot;
for(i=0; i<NUM1; i++) {
x0[i]= 0 + i*360.0/(NUM1-1); // linspace(x0, 0, 360);
y0[i] = sin(x0[i]*M_PI/180); // y0 = sin(x0*M_PI/180);
x1[i]= 0 + i*90.0/(NUM1-1); // linspace(x1, 0, 90);
y1[i] = sin(x1[i]*M_PI/180); // y1 = sin(x1*M_PI/180);
x3[i]= 270 + i*90.0/(NUM1-1); // linspace(x3, 270, 360);
y3[i] = sin(x3[i]*M_PI/180); // y3 = sin(x3*M_PI/180);
}
for(i=0; i<NUM2; i++) {
x2[i]= 90 + i*90.0/(NUM2-1); // linspace(x2, 90, 180);
y2[i] = sin(x2[i]*M_PI/180); // y2 = sin(x2*M_PI/180);
}
plot.data2DCurve(x0, y0, NUM1);
plot.data2DCurve(x1, y1, NUM1);
plot.data2DCurve(x2, y2, NUM2);
plot.data2DCurve(x3, y3, NUM1);
plot.plotType(PLOT_PLOTTYPE_LINES, 0, line_type, line_width); // line for (x,y)
line_width = 1;
plot.plotType(PLOT_PLOTTYPE_IMPULSES, 1, line_type, line_width); // impulse plot for (x1, y1)
plot.plotType(PLOT_PLOTTYPE_IMPULSES, 2, line_type, line_width); // impulse plot for (x2, y2)
plot.plotType(PLOT_PLOTTYPE_IMPULSES, 3, line_type, line_width); // impulse plot for (x3, y3)
plot.size(.40, 0.45); // change default plot size 640x480
/* output of the plot as a png file, instead of displaying on screen by default */
plot.outputType(PLOT_OUTPUTTYPE_FILE, "png", "impulse.png");
plot.plotting(); // get the plotting job done
return 0;
}
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