ChartDirector Ver 3.0 (C++ Edition)

3D Line Chart




This example illustrates how a 3D line looks like. The 3D effect is configured using Layer.set3D.

Source Code Listing

[The following project is available in "cppdemo/threedline".]
#include "chartdir.h" int main(int argc, char *argv[]) { //The data for the line chart double data[] = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 91, 60, 55, 53, 35, 50, 66, 56, 48, 52, 65, 62}; //The labels for the line chart const char *labels[] = {"0", "", "", "3", "", "", "6", "", "", "9", "", "", "12", "", "", "15", "", "", "18", "", "", "21", "", "", "24"}; //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 using 12 pts Arial Bold Italic font c->addTitle("Daily Server Utilization", "arialbi.ttf", 12); //Add a title to the y axis c->yAxis()->setTitle("MBytes"); //Add a title to the x axis c->xAxis()->setTitle("June 12, 2001"); //Add a blue (0x6666ff) 3D line chart layer using the give data c->addLineLayer(DoubleArray(data, sizeof(data)/sizeof(*data)), 0x6666ff )->set3D(); //Set the x axis labels using the given labels c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(*labels))); //output the chart c->makeChart("threedline.png"); //free up resources delete c; return 0; }