ChartDirector Ver 3.0 (C++ Edition)

3D Bar Chart




This example extends the Simple Bar Chart example by introducing three more features of ChartDirector:

Source Code Listing

[The following project is available in "cppdemo/threedbar".]
#include "chartdir.h" int main(int argc, char *argv[]) { //The data for the bar chart double data[] = {85, 156, 179.5, 211, 123}; //The labels for the bar chart const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"}; //Create a XYChart object of size 300 x 280 pixels XYChart *c = new XYChart(300, 280); //Set the plotarea at (45, 30) and of size 200 x 200 pixels c->setPlotArea(45, 30, 200, 200); //Add a title to the chart c->addTitle("Weekly Server Load"); //Add a title to the y axis c->yAxis()->setTitle("MBytes"); //Add a title to the x axis c->xAxis()->setTitle("Work Week 25"); //Add a bar chart layer with green (0x00ff00) bars using the given data c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(*data)), 0xff00 )->set3D(); //Set the x axis labels using the given labels c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(*labels))); //output the chart c->makeChart("threedbar.png"); //free up resources delete c; return 0; }