#include "chartdir.h"
int main(int argc, char *argv[])
{
// The x and y coordinates of the grid
double dataX[] = {chartTime(2008, 9, 1), chartTime(2008, 9, 2), chartTime(2008,
9, 3), chartTime(2008, 9, 4), chartTime(2008, 9, 5), chartTime(2008, 9, 6)};
const char *dataY[] = {"Low", "Medium", "High"};
// The data series
double lowData[] = {24, 38, 33, 25, 28, 36};
double mediumData[] = {49, 42, 34, 47, 53, 50};
double highData[] = {44, 51, 38, 33, 47, 42};
// Create a SurfaceChart object of size 760 x 500 pixels
SurfaceChart *c = new SurfaceChart(760, 500);
// Add a title to the chart using 18 points Arial font
c->addTitle("Surface Chart Axis Types", "Arial", 18);
// Set the center of the plot region at (385, 240), and set width x depth x
// height to 480 x 240 x 240 pixels
c->setPlotRegion(385, 240, 480, 240, 240);
// Set the elevation and rotation angles to 30 and -10 degrees
c->setViewAngle(30, -10);
// Set the data to use to plot the chart. As the y-data are text strings
// (enumerated), we will use an empty array for the y-coordinates. For the z data
// series, they are just the concatenation of the individual data series.
c->setData(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), DoubleArray(),
ArrayMath(DoubleArray(lowData, sizeof(lowData)/sizeof(lowData[0]))).insert(
DoubleArray(mediumData, sizeof(mediumData)/sizeof(mediumData[0]))).insert(
DoubleArray(highData, sizeof(highData)/sizeof(highData[0]))));
// Set the y-axis labels
c->yAxis()->setLabels(StringArray(dataY, sizeof(dataY)/sizeof(dataY[0])));
// Set x-axis tick density to 75 pixels. ChartDirector auto-scaling will use this
// as the guideline when putting ticks on the x-axis.
c->xAxis()->setTickDensity(75);
// Spline interpolate data to a 80 x 40 grid for a smooth surface
c->setInterpolation(80, 40);
// Set surface grid lines to semi-transparent black (cc000000).
c->setSurfaceAxisGrid(0xcc000000);
// Set contour lines to the same color as the fill color at the contour level
c->setContourColor(Chart::SameAsMainColor);
// Add a color axis (the legend) in which the top right corner is anchored at
// (95, 100). Set the length to 160 pixels and the labels on the left side.
ColorAxis *cAxis = c->setColorAxis(95, 100, Chart::TopRight, 160, Chart::Left);
// Add a bounding box with light grey (eeeeee) background and grey (888888)
// border.
cAxis->setBoundingBox(0xeeeeee, 0x888888);
// Set label style to Arial bold for all axes
c->xAxis()->setLabelStyle("arialbd.ttf");
c->yAxis()->setLabelStyle("arialbd.ttf");
c->zAxis()->setLabelStyle("arialbd.ttf");
c->colorAxis()->setLabelStyle("arialbd.ttf");
// Set the x, y and z axis titles using deep blue (000088) 15 points Arial font
c->xAxis()->setTitle("Date/Time Axis", "ariali.ttf", 15, 0x000088);
c->yAxis()->setTitle("Label\nBased\nAxis", "ariali.ttf", 15, 0x000088);
c->zAxis()->setTitle("Numeric Axis", "ariali.ttf", 15, 0x000088);
// Output the chart
c->makeChart("surfaceaxis.jpg");
//free up resources
return 0;
} |