3D Bubble Chart (3)

The following is the command line version of the code in "cppdemo/threedbubble3". The MFC version of the code is in "mfcdemo/mfcdemo". The Qt Widgets version of the code is in "qtdemo/qtdemo". The QML/Qt Quick version of the code is in "qmldemo/qmldemo".
#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The XYZ points for the bubble chart
    double dataX0[] = {170, 300, 1000, 1700};
    const int dataX0_size = (int)(sizeof(dataX0)/sizeof(*dataX0));
    double dataY0[] = {16, 69, 16, 75};
    const int dataY0_size = (int)(sizeof(dataY0)/sizeof(*dataY0));
    double dataZ0[] = {52, 105, 88, 140};
    const int dataZ0_size = (int)(sizeof(dataZ0)/sizeof(*dataZ0));

    double dataX1[] = {500, 1000, 1300};
    const int dataX1_size = (int)(sizeof(dataX1)/sizeof(*dataX1));
    double dataY1[] = {40, 58, 85};
    const int dataY1_size = (int)(sizeof(dataY1)/sizeof(*dataY1));
    double dataZ1[] = {140, 202, 84};
    const int dataZ1_size = (int)(sizeof(dataZ1)/sizeof(*dataZ1));

    // Create a XYChart object of size 540 x 480 pixels
    XYChart* c = new XYChart(540, 480);

    // Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal and
    // vertical grid lines with light grey color (0xc0c0c0)
    c->setPlotArea(70, 65, 400, 350, -1, -1, Chart::Transparent, 0xc0c0c0, -1);

    // Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold
    // Italic font. Set the background and border color to Transparent.
    c->addLegend(70, 30, false, "Times New Roman Bold Italic", 12)->setBackground(Chart::Transparent
        );

    // Add a title to the chart using 18pt Times Bold Itatic font.
    c->addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18);

    // Add titles to the axes using 12pt Arial Bold Italic font
    c->yAxis()->setTitle("Capacity (tons)", "Arial Bold Italic", 12);
    c->xAxis()->setTitle("Range (miles)", "Arial Bold Italic", 12);

    // Set the axes line width to 3 pixels
    c->xAxis()->setWidth(3);
    c->yAxis()->setWidth(3);

    // Add (dataX0, dataY0) as a scatter layer with red (ff3333) spheres, where the sphere size is
    // modulated by dataZ0. This creates a bubble effect.
    c->addScatterLayer(DoubleArray(dataX0, dataX0_size), DoubleArray(dataY0, dataY0_size),
        "Technology AAA", Chart::SolidSphereShape, 15, 0xff3333)->setSymbolScale(DoubleArray(dataZ0,
        dataZ0_size));

    // Add (dataX1, dataY1) as a scatter layer with blue (0000ff) spheres, where the sphere size is
    // modulated by dataZ1. This creates a bubble effect.
    c->addScatterLayer(DoubleArray(dataX1, dataX1_size), DoubleArray(dataY1, dataY1_size),
        "Technology BBB", Chart::SolidSphereShape, 15, 0x0000ff)->setSymbolScale(DoubleArray(dataZ1,
        dataZ1_size));

    // Output the chart
    c->makeChart("threedbubble3.png");

    //free up resources
    delete c;

    return 0;
}