
This example demonstrates using PyramidChart.setConeSize to specify using a cone instead of a pyramid to represent the data.
ChartDirector Ver 5.0 (C++ Edition)
Cone 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[] = {"Funds", "Bonds", "Stocks", "Cash"}; // The semi-transparent colors for the pyramid layers int colors[] = {0x60000088, 0x6066aaee, 0x60ffbb00, 0x60ee6622}; // Create a PyramidChart object of size 480 x 400 pixels PyramidChart *c = new PyramidChart(480, 400); // Set the cone center at (280, 180), and width x height to 150 x 300 pixels c->setConeSize(280, 180, 150, 300); // Set the elevation to 15 degrees c->setViewAngle(15); // 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 left side of the pyramid layers using Arial Bold font. The // labels will have 3 lines showing the layer name, value and percentage. c->setLeftLabel("{label}\nUS ${value}K\n({percent}%)", "arialbd.ttf"); // Output the chart c->makeChart("cone.png"); //free up resources return 0; } |