#include "chartdir.h"
int main(int argc, char *argv[])
{
//The data for the chart
double data0[] = {90, 25, 40, 55, 68, 44, 79, 85, 50};
double angles0[] = {15, 60, 110, 180, 230, 260, 260, 310, 340};
double data1[] = {80, 91, 66, 80, 92, 87};
double angles1[] = {40, 65, 88, 110, 150, 200};
//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*>Polar Line Chart Demo", "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, with grids below the chart layers
c->setGridStyle(false, 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 spoke every 30 units
c->angularAxis()->setLinearScale(0, 360, 30);
//Add a blue (0xff) line layer to the chart using (data0, angle0)
PolarLineLayer *layer0 = c->addLineLayer(DoubleArray(data0,
sizeof(data0)/sizeof(*data0)), 0xff, "Close Loop Line");
layer0->setAngles(DoubleArray(angles0, sizeof(angles0)/sizeof(*angles0)));
//Set the line width to 2 pixels
layer0->setLineWidth(2);
//Use 11 pixel triangle symbols for the data points
layer0->setDataSymbol(TriangleSymbol, 11);
//Enable data label and set its format
layer0->setDataLabelFormat("({value},{angle})");
//Set the data label text box with light blue (0x9999ff) backgruond color
//and 1 pixel 3D border effect
layer0->setDataLabelStyle()->setBackground(0x9999ff, Transparent, 1);
//Add a red (0xff0000) line layer to the chart using (data1, angle1)
PolarLineLayer *layer1 = c->addLineLayer(DoubleArray(data1,
sizeof(data1)/sizeof(*data1)), 0xff0000, "Open Loop Line");
layer1->setAngles(DoubleArray(angles1, sizeof(angles1)/sizeof(*angles1)));
//Set the line width to 2 pixels
layer1->setLineWidth(2);
//Use 11 pixel diamond symbols for the data points
layer1->setDataSymbol(DiamondSymbol, 11);
//Set the line to open loop
layer1->setCloseLoop(false);
//Enable data label and set its format
layer1->setDataLabelFormat("({value},{angle})");
//Set the data label text box with light red (0xff9999) backgruond color and
//1 pixel 3D border effect
layer1->setDataLabelStyle()->setBackground(0xff9999, Transparent, 1);
//output the chart
c->makeChart("polarline.png");
//free up resources
delete c;
return 0;
}
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