
This example demonstrates using PyramidChart.setFunnelSize to specify using a funnel instead of a pyramid to represent the data.
ChartDirector Ver 5.0 (C++ Edition)
Funnel Chart
Source Code Listing
#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 funnel center at (200, 210), and width x height to 150 x 300 pixels c->setFunnelSize(200, 210, 150, 300); // Set the elevation to 5 degrees c->setViewAngle(5); // Set the pyramid data and labels c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels, sizeof(labels)/sizeof(labels[0]))); // Set the layer colors to the given colors c->setColors(Chart::DataColor, IntArray(colors, sizeof(colors)/sizeof(colors[0])) ); // Leave 1% gaps between layers c->setLayerGap(0.01); // Add labels at the right side of the pyramid layers using Arial Bold font. The // labels will have 3 lines showing the layer name, value and percentage. c->setRightLabel("{label}\nUS ${value}K\n({percent}%)", "arialbd.ttf"); // Output the chart c->makeChart("funnel.png"); //free up resources return 0; } |