ChartDirector 6.0 (C++ Edition)

3D Pyramid Chart




This example extends the Simple Pyramid Chart example by viewing the pyramid in 3D, using custom colors, inserting gaps between pyramid layers, and adding labels to both the center and the right side of the pyramid layers.

Source Code Listing

[The following code is available in "cppdemo/threedpyramid". A MFC version of the code is available in "mfcdemo/mfcdemo" (Windows edition only). A QT version of the code is available in "qtdemo/qtdemo".]
#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The data for the pyramid chart
    double data[] = {156, 123, 211, 179};

    // The labels for the pyramid chart
    const char *labels[] = {"Corporate Tax", "Working Capital", "Re-investment", "Dividend"};

    // The colors for the pyramid layers
    int colors[] = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

    // Create a PyramidChart object of size 500 x 400 pixels
    PyramidChart *c = new PyramidChart(500, 400);

    // Set the pyramid center at (200, 180), and width x height to 150 x 300 pixels
    c->setPyramidSize(200, 180, 150, 300);

    // Set the elevation to 15 degrees
    c->setViewAngle(15);

    // Set the pyramid data and labels
    c->setData(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), StringArray(labels, (int)(
        sizeof(labels) / sizeof(labels[0]))));

    // Set the layer colors to the given colors
    c->setColors(Chart::DataColor, IntArray(colors, (int)(sizeof(colors) / sizeof(colors[0]))));

    // Leave 1% gaps between layers
    c->setLayerGap(0.01);

    // Add labels at the center of the pyramid layers using Arial Bold font. The labels will show
    // the percentage of the layers.
    c->setCenterLabel("{percent}%", "arialbd.ttf");

    // Add labels at the right side of the pyramid layers using Arial Bold font. The labels will
    // have two lines showing the layer name and value.
    c->setRightLabel("{label}\nUS$ {value}M", "arialbd.ttf");

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

    //free up resources
    return 0;
}