#include "chartdir.h"
#include <stdio.h>
int main(int argc, char *argv[])
{
// Data for the chart
double data[] = {9.4, 1.8, 2.1, 2.3, 3.5, 7.7, 8.8, 6.1, 5.0, 3.1, 6.0, 4.3, 5.1, 2.6, 1.5, 2.2,
5.1, 4.3, 4.0, 9.0, 1.7, 8.8, 9.9, 9.5};
double angles[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240,
255, 270, 285, 300, 315, 330, 345};
// Create a PolarChart object of size 460 x 460 pixels, with a silver background and a 1 pixel
// 3D border
PolarChart *c = new PolarChart(680, 460);
// Set plot area center at (230, 240) with radius 180 pixels and white background
c->setPlotArea(230, 240, 180, 0xffffff);
// Set the grid style to circular grid
c->setGridStyle(false);
// Set angular axis as 0 - 360, with a spoke every 30 units
c->angularAxis()->setLinearScale(0, 360, 30);
// Add sectors to the chart as sector zones
for(int i = 0; i < (int)(sizeof(data) / sizeof(data[0])); ++i) {
c->angularAxis()->addZone(angles[i], angles[i] + 15, 0, data[i], 0x33ff33, 0x008000);
}
// Add an Transparent invisible layer to ensure the axis is auto-scaled using the data
c->addLineLayer(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), Chart::Transparent);
int rowCount = (int)(sizeof(data) / sizeof(data[0]));
CDMLTable *t = c->addTable(500, 50, Chart::TopLeft, 2, rowCount + 1);
// Set column width
t->getColStyle(0)->setWidth(75);
t->getColStyle(1)->setWidth(75);
// The first row is the header
t->setText(0, 0, "Angle");
t->setText(1, 0, "Value");
TextBox *headerStyle = t->getRowStyle(0);
headerStyle->setFontStyle("arialbd.ttf");
headerStyle->setFontColor(0xffffff);
headerStyle->setBackground(0x444444);
// The other rows are the data
for (int i = 0; i < rowCount; ++i)
{
char buffer[1024];
sprintf(buffer, "%g", angles[i]);
t->setText(0, i + 1, buffer);
sprintf(buffer, "%.2f", data[i]);
t->setText(1, i + 1, buffer);
}
// Output the chart
c->makeChart("rose.png");
//free up resources
delete c;
return 0;
}
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