#include "chartdir.h"
int main(int argc, char *argv[])
{
//The data for the area chart
double data0[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34,
51, 56, 56, 60, 70, 76, 63, 67, 75, 64, 51};
double data1[] = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60,
67, 67, 58, 59, 73, 77, 84, 82, 80, 84, 89};
double data2[] = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33,
13, 17, 4, 23, 16, 25, 9, 10, 5, 7, 16};
const char *labels[] = {"0", "-", "2", "-", "4", "-", "6", "-", "8", "-",
"10", "-", "12", "-", "14", "-", "16", "-", "18", "-", "20", "-", "22",
"-", "24"};
//Create a XYChart object of size 500 x 300 pixels
XYChart *c = new XYChart(500, 300);
//Set the plotarea at (90, 30) and of size 300 x 240 pixels.
c->setPlotArea(90, 30, 300, 240);
//Add a legend box at (405, 100)
c->addLegend(405, 100);
//Add a title to the chart
c->addTitle("Daily System Load");
//Add a title to the y axis. Draw the title upright (font angle = 0)
c->yAxis()->setTitle("Database\nQueries\n(per sec)")->setFontAngle(0);
//Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(*labels)));
//Add an area layer
AreaLayer *layer = c->addAreaLayer();
//Draw the area layer in 3D
layer->set3D();
//Add the three data sets to the area layer
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(*data0)), -1,
"Server # 1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(*data1)), -1,
"Server # 2");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(*data2)), -1,
"Server # 3");
//output the chart
c->makeChart("threedstackarea.png");
//free up resources
delete c;
return 0;
}
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