#include <chplot.h>
int main() {
double theta1 = 30, r1 = 2;
class CPlot plot;
plot.grid(PLOT_ON);
plot.polarPlot(PLOT_ANGLE_DEG);
plot.point(theta1, r1, 0);
plot.plotType(PLOT_PLOTTYPE_POINTS, 0, 7, 3);
plot.axisRange(PLOT_AXIS_XY, 0, 2);
plot.sizeRatio(-1);
plot.plotting();
}