#include "chartdir.h"
int main(int argc, char *argv[])
{
//The data for the chart
double data0[] = {43, 89, 76, 64, 48, 18, 92, 68, 44, 79, 71, 85};
double angles0[] = {45, 96, 169, 258, 15, 30, 330, 260, 60, 75, 110, 140};
double data1[] = {50, 91, 26, 29, 80, 53, 62, 87, 19, 40};
double angles1[] = {230, 210, 240, 310, 179, 250, 244, 199, 89, 160};
double data2[] = {88, 65, 76, 49, 80, 53};
double angles2[] = {340, 310, 340, 210, 30, 300};
//The labels on the angular axis (spokes)
const char *labels[] = {"North", "North\nEast", "East", "South\nEast",
"South", "South\nWest", "West", "North\nWest"};
//Create a PolarChart object of size 460 x 460 pixels
PolarChart *c = new PolarChart(460, 460);
//Add a title to the chart at the top left corner using 15pts Arial Bold
//Italic font
c->addTitle(TopLeft, "<*underline=2*>Plants in Wonderland", "arialbi.ttf",
15);
//Set center of plot area at (230, 240) with radius 180 pixels
c->setPlotArea(230, 240, 180);
//Set the grid style to circular grid
c->setGridStyle(false);
//Add a legend box at the top right corner of the chart using 9 pts Arial
//Bold font
c->addLegend(459, 0, true, "arialbd.ttf", 9)->setAlignment(TopRight);
//Set angular axis as 0 - 360, either 8 spokes
c->angularAxis()->setLinearScale(0, 360, StringArray(labels,
sizeof(labels)/sizeof(*labels)));
//Set the radial axis label format
c->radialAxis()->setLabelFormat("{value} km");
//Add a blue (0xff) polar line layer to the chart using (data0, angle0)
PolarLineLayer *layer0 = c->addLineLayer(DoubleArray(data0,
sizeof(data0)/sizeof(*data0)), 0xff, "Immortal Weed");
layer0->setAngles(DoubleArray(angles0, sizeof(angles0)/sizeof(*angles0)));
layer0->setLineWidth(0);
layer0->setDataSymbol(TriangleSymbol, 11);
//Add a red (0xff0000) polar line layer to the chart using (data1, angles1)
PolarLineLayer *layer1 = c->addLineLayer(DoubleArray(data1,
sizeof(data1)/sizeof(*data1)), 0xff0000, "Precious Flower");
layer1->setAngles(DoubleArray(angles1, sizeof(angles1)/sizeof(*angles1)));
//Disable the line by setting its width to 0, so only the symbols are
//visible
layer1->setLineWidth(0);
//Use a 11 pixel diamond data point symbol
layer1->setDataSymbol(DiamondSymbol, 11);
//Add a green (0x00ff00) polar line layer to the chart using (data2,
//angles2)
PolarLineLayer *layer2 = c->addLineLayer(DoubleArray(data2,
sizeof(data2)/sizeof(*data2)), 0xff00, "Magical Tree");
layer2->setAngles(DoubleArray(angles2, sizeof(angles2)/sizeof(*angles2)));
//Disable the line by setting its width to 0, so only the symbols are
//visible
layer2->setLineWidth(0);
//Use a 9 pixel square data point symbol
layer2->setDataSymbol(SquareSymbol, 9);
//output the chart
c->makeChart("polarscatter.png");
//free up resources
delete c;
return 0;
}
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