int main(int argc, char *argv[])
{
// The XYZ points for the bubble chart
double dataX0[] = {170, 300, 1000, 1700};
double dataY0[] = {16, 69, 16, 75};
double dataZ0[] = {52, 105, 88, 140};
double dataX1[] = {500, 1000, 1300};
double dataY1[] = {40, 58, 85};
double dataZ1[] = {140, 202, 84};
// Create a XYChart object of size 540 x 480 pixels
XYChart *c = new XYChart(540, 480);
// Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both
// horizontal and vertical grid lines with light grey color (0xc0c0c0)
c->setPlotArea(70, 65, 400, 350, -1, -1, Chart::Transparent, 0xc0c0c0, -1);
// Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12
// pts Times Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(70, 30, false, "timesbi.ttf", 12)->setBackground(Chart::Transparent)
;
// Add a title to the chart using 18 pts Times Bold Itatic font.
c->addTitle("Product Comparison Chart", "timesbi.ttf", 18);
// Add titles to the axes using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Capacity (tons)", "arialbi.ttf", 12);
c->xAxis()->setTitle("Range (miles)", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->xAxis()->setWidth(3);
c->yAxis()->setWidth(3);
// Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where
// the sphere size is modulated by dataZ0. This creates a bubble effect.
c->addScatterLayer(DoubleArray(dataX0, sizeof(dataX0)/sizeof(dataX0[0])),
DoubleArray(dataY0, sizeof(dataY0)/sizeof(dataY0[0])), "Technology AAA",
Chart::GlassSphereShape, 15, 0xff3333)->setSymbolScale(DoubleArray(dataZ0,
sizeof(dataZ0)/sizeof(dataZ0[0])));
// Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres,
// where the sphere size is modulated by dataZ1. This creates a bubble effect.
c->addScatterLayer(DoubleArray(dataX1, sizeof(dataX1)/sizeof(dataX1[0])),
DoubleArray(dataY1, sizeof(dataY1)/sizeof(dataY1[0])), "Technology BBB",
Chart::GlassSphereShape, 15, 0x0000ff)->setSymbolScale(DoubleArray(dataZ1,
sizeof(dataZ1)/sizeof(dataZ1[0])));
// Output the chart
c->makeChart("threedbubble.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the area chart
double data0[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60, 70,
76, 63, 67, 75, 64, 51};
double data1[] = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73,
77, 84, 82, 80, 84, 89};
double data2[] = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23, 16, 25,
9, 10, 5, 7, 16};
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};
// Create a XYChart object of size 500 x 300 pixels
XYChart *c = new XYChart(500, 300);
// Set the plotarea at (90, 30) and of size 300 x 240 pixels.
c->setPlotArea(90, 30, 300, 240);
// Add a legend box at (405, 100)
c->addLegend(405, 100);
// Add a title to the chart
c->addTitle("Daily System Load");
// Add a title to the y axis. Draw the title upright (font angle = 0)
c->yAxis()->setTitle("Database\nQueries\n(per sec)")->setFontAngle(0);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
c->xAxis()->setLabelStep(2, 1);
// Add an area layer
AreaLayer *layer = c->addAreaLayer();
// Draw the area layer in 3D
layer->set3D();
// Add the three data sets to the area layer
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), -1, "Server # 1")
;
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), -1, "Server # 2")
;
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), -1, "Server # 3")
;
// Output the chart
c->makeChart("threedstackarea.png");
//free up resources
delete c;
return 0;
}
//
// Draw the chart and display it in the given viewer
//
void TrackAxis::drawChart(QChartViewer *viewer)
{
// Data for the chart as 2 random data series
RanSeries r(127);
DoubleArray data0 = r.getSeries(180, 10, -1.5, 1.5);
DoubleArray data1 = r.getSeries(180, 150, -15, 15);
DoubleArray timeStamps = r.getDateSeries(180, Chart::chartTime(2011, 1, 1), 86400);
// Create a XYChart object of size 670 x 400 pixels
XYChart *c = new XYChart(670, 400);
// Add a title to the chart using 18 pts Times New Roman Bold Italic font
c->addTitle("Plasma Stabilizer Energy Usage", "timesbi.ttf", 18);
// Set the plotarea at (50, 55) with width 100 pixels less than chart width, and height 90 pixels
// less than chart height. Use a vertical gradient from light blue (f0f6ff) to sky blue (a0c0ff)
// as background. Set border to transparent and grid lines to white (ffffff).
c->setPlotArea(50, 55, c->getWidth() - 100, c->getHeight() - 90, c->linearGradientColor(0, 55, 0,
c->getHeight() - 35, 0xf0f6ff, 0xa0c0ff), -1, Chart::Transparent, 0xffffff, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 10pts Arial Bold as font. Set the
// background and border color to Transparent.
c->addLegend(50, 25, false, "arialbd.ttf", 10)->setBackground(Chart::Transparent);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Set the axis stem to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Configure x-axis label format
c->xAxis()->setMultiFormat(Chart::StartOfYearFilter(), "{value|mm/yyyy} ",
Chart::StartOfMonthFilter(), "{value|mm}");
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Power Usage (Watt)", "arialbi.ttf", 10);
c->yAxis2()->setTitle("Effective Load (kg)", "arialbi.ttf", 10);
// Add a line layer to the chart using a line width of 2 pixels.
LineLayer *layer = c->addLineLayer();
layer->setLineWidth(2);
// Add 2 data series to the line layer
layer->setXData(timeStamps);
layer->addDataSet(data0, 0xcc0000, "Power Usage");
layer->addDataSet(data1, 0x008800, "Effective Load")->setUseYAxis2();
// Set the chart image to the QChartViewer
viewer->setChart(c);
}
int main(int argc, char *argv[])
{
// The data for the line chart
double data0[] = {60.2, 51.7, 81.3, 48.6, 56.2, 68.9, 52.8};
double data1[] = {30.0, 32.7, 33.9, 29.5, 32.2, 28.4, 29.8};
const char *labels[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
// Create a XYChart object of size 300 x 180 pixels, with a pale yellow (0xffffc0) background, a
// black border, and 1 pixel 3D border effect.
XYChart *c = new XYChart(300, 180, 0xffffc0, 0x000000, 1);
// Set the plotarea at (45, 35) and of size 240 x 120 pixels, with white background. Turn on
// both horizontal and vertical grid lines with light grey color (0xc0c0c0)
c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, 0xc0c0c0, -1);
// Add a legend box at (45, 12) (top of the chart) using horizontal layout and 8pt Arial font
// Set the background and border color to Transparent.
c->addLegend(45, 12, false, "", 8)->setBackground(Chart::Transparent);
// Add a title to the chart using 9pt Arial Bold/white font. Use a 1 x 2 bitmap pattern as the
// background.
int pattern1[] = {0x004000, 0x008000};
c->addTitle("Server Load (Jun 01 - Jun 07)", "arialbd.ttf", 9, 0xffffff)->setBackground(
c->patternColor(IntArray(pattern1, (int)(sizeof(pattern1) / sizeof(pattern1[0]))), 2));
// Set the y axis label format to nn%
c->yAxis()->setLabelFormat("{value}%");
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Add a line layer to the chart
LineLayer *layer = c->addLineLayer();
// Add the first line. Plot the points with a 7 pixel square symbol
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xcf4040, "Peak"
)->setDataSymbol(Chart::SquareSymbol, 7);
// Add the second line. Plot the points with a 9 pixel dismond symbol
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0x40cf40,
"Average")->setDataSymbol(Chart::DiamondSymbol, 9);
// Enable data label on the data points. Set the label format to nn%.
layer->setDataLabelFormat("{value|0}%");
// Output the chart
c->makeChart("symbolline.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122};
double data1[] = {122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270};
double data2[] = {167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sept", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 580 x 280 pixels
XYChart *c = new XYChart(580, 280);
// Add a title to the chart using 14 pts Arial Bold Italic font
c->addTitle("Product Revenue For Last 3 Years", "arialbi.ttf", 14);
// Set the plot area at (50, 50) and of size 500 x 200. Use two alternative
// background colors (f8f8f8 and ffffff)
c->setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 8pts Arial as font,
// with transparent background.
c->addLegend(50, 25, false, "arial.ttf", 8)->setBackground(Chart::Transparent);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Add a multi-bar layer with 3 data sets
BarLayer *layer = c->addBarLayer(Chart::Side);
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff8080,
"Year 2003");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x80ff80,
"Year 2004");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x8080ff,
"Year 2005");
// Set 50% overlap between bars
layer->setOverlapRatio(0.5);
// Add a title to the y-axis
c->yAxis()->setTitle("Revenue (USD in millions)");
// output the chart
c->makeChart("overlapbar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 125, 245, 147, 67};
double data1[] = {85, 156, 179, 211, 123};
double data2[] = {97, 87, 56, 267, 157};
const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 400 x 240 pixels
XYChart *c = new XYChart(400, 240);
// Add a title to the chart using 10 pt Arial font
c->addTitle(" Average Weekday Network Load", "", 10);
// Set the plot area at (50, 25) and of size 320 x 180. Use two alternative
// background colors (0xffffc0 and 0xffffe0)
c->setPlotArea(50, 25, 320, 180, 0xffffc0, 0xffffe0);
// Add a legend box at (55, 18) using horizontal layout. Use 8 pt Arial font,
// with transparent background
c->addLegend(55, 18, false, "", 8)->setBackground(Chart::Transparent);
// Add a title to the y-axis
c->yAxis()->setTitle("Throughput (MBytes Per Hour)");
// Reserve 20 pixels at the top of the y-axis for the legend box
c->yAxis()->setTopMargin(20);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a multi-bar layer with 3 data sets and 3 pixels 3D depth
BarLayer *layer = c->addBarLayer(Chart::Side, 3);
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff8080,
"Server #1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x80ff80,
"Server #2");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x8080ff,
"Server #3");
// output the chart
c->makeChart("multibar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The x and y coordinates of the grid
double dataX[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
double dataY[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
// Use random numbers for the z values on the XY grid
RanSeries *r = new RanSeries(999);
DoubleArray dataZ = r->get2DSeries((int)(sizeof(dataX) / sizeof(dataX[0])), (int)(sizeof(dataY)
/ sizeof(dataY[0])), -0.9, 1.15);
// Create a XYChart object of size 640 x 460 pixels
XYChart *c = new XYChart(640, 460);
// Set the plotarea at (30, 25) and of size 400 x 400 pixels. Use semi-transparent grey
// (0xdd000000) horizontal and vertical grid lines
c->setPlotArea(50, 25, 400, 400, -1, -1, Chart::Transparent, 0xdd000000, -1);
// Set the x and y axis stems to transparent and the label font to 12pt Arial
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->xAxis()->setLabelStyle("arial.ttf", 12);
c->yAxis()->setLabelStyle("arial.ttf", 12);
// Set the x-axis and y-axis scale
c->xAxis()->setLinearScale(0, 10, 1);
c->yAxis()->setLinearScale(0, 10, 1);
// Add a contour layer using the given data
ContourLayer *layer = c->addContourLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0
]))), DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0]))), dataZ);
// Move the grid lines in front of the contour layer
c->getPlotArea()->moveGridBefore(layer);
// Define the color scale
double colorScale[] = {-0.8, 0x0066ff, -0.5, 0x66ccff, -0.3, 0x66ffff, 0, 0x88ff88, 0.4,
0x00ff00, 0.7, 0xffff00, 0.9, 0xff6600, 1.0, 0xcc0000, 1.1};
// Apply the color scale, and specify the underflow and overflow colors for regions exceeding
// the color scale
layer->colorAxis()->setColorScale(DoubleArray(colorScale, (int)(sizeof(colorScale) / sizeof(
colorScale[0]))), 0x0000cc, 0x000000);
//
// Instead of displaying the color axis, we use a legend box to display the colors. This is
// useful for colors that are unevenly spaced on the color axis.
//
// Add a legend box at (460, 25) with vertical layout, with 12pt Arial font, transparent
// background and border, icon size of 15 x 15 pixels, and line spacing of 8 pixels.
LegendBox *b = c->addLegend(460, 25, true, "arial.ttf", 12);
b->setBackground(Chart::Transparent, Chart::Transparent);
b->setKeySize(15, 15);
b->setKeySpacing(0, 8);
// Add the legend box entries
b->addKey("> 1.1 (Critical)", 0x000000);
b->addKey("1.0 to 1.1 (Alert)", 0xcc0000);
b->addKey("0.9 to 1.0", 0xff6600);
b->addKey("0.7 to 0.9", 0xffff00);
b->addKey("0.4 to 0.7", 0x00ff00);
b->addKey("0.0 to 0.4", 0x88ff88);
b->addKey("-0.3 to 0.0", 0x66ffff);
b->addKey("-0.5 to -0.3", 0x66ccff);
b->addKey("-0.8 to -0.5", 0x0066ff);
b->addKey("< -0.8", 0x0000cc);
// Output the chart
c->makeChart("contourlegend.png");
//free up resources
delete r;
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 115, 165, 107, 67};
double data1[] = {85, 106, 129, 161, 123};
double data2[] = {67, 87, 86, 167, 157};
// The labels for the bar chart
const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 600 x 360 pixels
XYChart *c = new XYChart(600, 360);
// Set the plotarea at (70, 20) and of size 400 x 300 pixels, with transparent background and
// border and light grey (0xcccccc) horizontal grid lines
c->setPlotArea(70, 20, 400, 300, Chart::Transparent, -1, Chart::Transparent, 0xcccccc);
// Add a legend box at (480, 20) using vertical layout and 12pt Arial font. Set background and
// border to transparent and key icon border to the same as the fill color.
LegendBox *b = c->addLegend(480, 20, true, "arial.ttf", 12);
b->setBackground(Chart::Transparent, Chart::Transparent);
b->setKeyBorder(Chart::SameAsMainColor);
// Set the x and y axis stems to transparent and the label font to 12pt Arial
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->xAxis()->setLabelStyle("arial.ttf", 12);
c->yAxis()->setLabelStyle("arial.ttf", 12);
// Add a stacked bar layer
BarLayer *layer = c->addBarLayer(Chart::Stack);
// Add the three data sets to the bar layer
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xaaccee,
"Server # 1");
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0xbbdd88,
"Server # 2");
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), 0xeeaa66,
"Server # 3");
// Set the bar border to transparent
layer->setBorderColor(Chart::Transparent);
// Enable labelling for the entire bar and use 12pt Arial font
layer->setAggregateLabelStyle("arial.ttf", 12);
// Enable labelling for the bar segments and use 12pt Arial font with center alignment
layer->setDataLabelStyle("arial.ttf", 10)->setAlignment(Chart::Center);
// For a vertical stacked bar with positive data, the first data set is at the bottom. For the
// legend box, by default, the first entry at the top. We can reverse the legend order to make
// the legend box consistent with the stacked bar.
layer->setLegendOrder(Chart::ReverseLegend);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// For the automatic y-axis labels, set the minimum spacing to 40 pixels.
c->yAxis()->setTickDensity(40);
// Add a title to the y axis using dark grey (0x555555) 14pt Arial Bold font
c->yAxis()->setTitle("Y-Axis Title Placeholder", "arialbd.ttf", 14, 0x555555);
// Output the chart
c->makeChart("stackedbar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the chart
double data[] = {800, 600, 1000, 1400};
double widths[] = {250, 500, 960, 460};
const char *labels[] = {"Wind", "Hydro", "Coal", "Natural Gas"};
// The colors to use
int colors[] = {0x00aa00, 0x66aaee, 0xee6622, 0xffbb00};
// Create a XYChart object of size 500 x 350 pixels
XYChart *c = new XYChart(500, 350);
// Add a title to the chart using 15 pts Arial Italic font
c->addTitle("Energy Generation Breakdown", "ariali.ttf", 15);
// Set the plotarea at (60, 60) and of (chart_width - 90) x (chart_height - 100)
// in size. Use a vertical gradient color from light blue (f9f9ff) to sky blue
// (aaccff) as background. Set grid lines to white (ffffff).
int plotAreaBgColor = c->linearGradientColor(0, 60, 0, c->getHeight() - 40,
0xaaccff, 0xf9fcff);
c->setPlotArea(60, 60, c->getWidth() - 90, c->getHeight() - 100, plotAreaBgColor,
-1, -1, 0xffffff);
// Add a legend box at (50, 30) using horizontal layout and transparent
// background.
c->addLegend(55, 30, false)->setBackground(Chart::Transparent);
// Add titles to x/y axes with 10 points Arial Bold font
c->xAxis()->setTitle("Mega Watts", "arialbd.ttf", 10);
c->yAxis()->setTitle("Cost per MWh (dollars)", "arialbd.ttf", 10);
// Set the x axis rounding to false, so that the x-axis will fit the data exactly
c->xAxis()->setRounding(false, false);
// In ChartDirector, there is no bar layer that can have variable bar widths, but
// you may create a bar using an area layer. (A bar can be considered as the area
// under a rectangular outline.) So by using a loop to create one bar per area
// layer, we can achieve a variable width bar chart.
// starting position of current bar
double currentX = 0;
int i;
for(i = 0; i < sizeof(data) / sizeof(data[0]); ++i) {
// ending position of current bar
double nextX = currentX + widths[i];
// outline of the bar
double dataX[] = {currentX, currentX, nextX, nextX};
double dataY[] = {0, data[i], data[i], 0};
// create the area layer to fill the bar
AreaLayer *layer = c->addAreaLayer(DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), colors[i], labels[i]);
layer->setXData(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])));
// the ending position becomes the starting position of the next bar
currentX = nextX;
}
// Output the chart
c->makeChart("varwidthbar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The XYZ points for the bubble chart
double dataX0[] = {150, 300, 1000, 1700};
double dataY0[] = {12, 60, 25, 65};
double dataZ0[] = {20, 50, 50, 85};
double dataX1[] = {500, 1000, 1300};
double dataY1[] = {35, 50, 75};
double dataZ1[] = {30, 55, 95};
// Create a XYChart object of size 450 x 420 pixels
XYChart *c = new XYChart(450, 420);
// Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey
// border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light
// grey color (0xc0c0c0)
c->setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12
// pts Times Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(50, 30, false, "timesbi.ttf", 12)->setBackground(Chart::Transparent)
;
// Add a title to the chart using 18 pts Times Bold Itatic font.
c->addTitle("Product Comparison Chart", "timesbi.ttf", 18);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Capacity (tons)", "arialbi.ttf", 12);
// Add a title to the x axis using 12 pts Arial Bold Italic font
c->xAxis()->setTitle("Range (miles)", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->xAxis()->setWidth(3);
c->yAxis()->setWidth(3);
// Add (dataX0, dataY0) as a scatter layer with semi-transparent red (0x80ff3333)
// circle symbols, where the circle size is modulated by dataZ0. This creates a
// bubble effect.
c->addScatterLayer(DoubleArray(dataX0, sizeof(dataX0)/sizeof(dataX0[0])),
DoubleArray(dataY0, sizeof(dataY0)/sizeof(dataY0[0])), "Technology AAA",
Chart::CircleSymbol, 9, 0x80ff3333, 0x80ff3333)->setSymbolScale(DoubleArray(
dataZ0, sizeof(dataZ0)/sizeof(dataZ0[0])));
// Add (dataX1, dataY1) as a scatter layer with semi-transparent green
// (0x803333ff) circle symbols, where the circle size is modulated by dataZ1.
// This creates a bubble effect.
c->addScatterLayer(DoubleArray(dataX1, sizeof(dataX1)/sizeof(dataX1[0])),
DoubleArray(dataY1, sizeof(dataY1)/sizeof(dataY1[0])), "Technology BBB",
Chart::CircleSymbol, 9, 0x803333ff, 0x803333ff)->setSymbolScale(DoubleArray(
dataZ1, sizeof(dataZ1)/sizeof(dataZ1[0])));
// Output the chart
c->makeChart("bubble.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// In this example, the data points are unevenly spaced on the x-axis
double dataY[] = {4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4,
2.1, 3, 2.5, 2.5, 3.1};
double dataX[] = {chartTime(1999, 7, 1), chartTime(2000, 1, 1), chartTime(2000,
2, 1), chartTime(2000, 4, 1), chartTime(2000, 5, 8), chartTime(2000, 7, 5),
chartTime(2001, 3, 5), chartTime(2001, 4, 7), chartTime(2001, 5, 9),
chartTime(2002, 2, 4), chartTime(2002, 4, 4), chartTime(2002, 5, 8),
chartTime(2002, 7, 7), chartTime(2002, 8, 30), chartTime(2003, 1, 2),
chartTime(2003, 2, 16), chartTime(2003, 11, 6), chartTime(2004, 1, 4)};
// Data points are assigned different symbols based on point type
double pointType[] = {0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0};
// Create a XYChart object of size 600 x 300 pixels, with a light purple (ffccff)
// background, black border, 1 pixel 3D border effect and rounded corners.
XYChart *c = new XYChart(600, 300, 0xffccff, 0x000000, 1);
c->setRoundedFrame();
// Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white (ffffff)
// background. Set horizontal and vertical grid lines to grey (cccccc).
c->setPlotArea(55, 58, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a legend box at (55, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(55, 30, false, "arialbi.ttf", 10)->setBackground(Chart::Transparent)
;
// Add a title box to the chart using 15 pts Times Bold Italic font. The text is
// white (ffffff) on a purple (400040) background, with soft lighting effect from
// the right side.
c->addTitle("Multi-Symbol Line Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x400040, -1, Chart::softLighting(Chart::Right));
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set axis titles to use 9pt Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
// Set axis labels to use Arial Bold font
c->yAxis()->setLabelStyle("arialbd.ttf");
c->xAxis()->setLabelStyle("arialbd.ttf");
// We add the different data symbols using scatter layers. The scatter layers are
// added before the line layer to make sure the data symbols stay on top of the
// line layer.
// We select the points with pointType = 0 (the non-selected points will be set
// to NoValue), and use yellow (ffff00) 15 pixels high 5 pointed star shape
// symbols for the points. (This example uses both x and y coordinates. For
// charts that have no x explicitly coordinates, use an empty array as dataX.)
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(DoubleArray(
pointType, sizeof(pointType)/sizeof(pointType[0])), Chart::NoValue),
"Point Type 0", Chart::StarShape(5), 15, 0xffff00);
// Similar to above, we select the points with pointType - 1 = 0 and use green
// (ff00) 13 pixels high six-sided polygon as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(1),
Chart::NoValue), "Point Type 1", Chart::PolygonShape(6), 13, 0x00ff00);
// Similar to above, we select the points with pointType - 2 = 0 and use red
// (ff0000) 13 pixels high X shape as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(2),
Chart::NoValue), "Point Type 2", Chart::Cross2Shape(), 13, 0xff0000);
// Finally, add a blue (0000ff) line layer with line width of 2 pixels
LineLayer *layer = c->addLineLayer(DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), 0x0000ff);
layer->setXData(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])));
layer->setLineWidth(2);
// output the chart
c->makeChart("multisymbolline.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 125, 245, 147, 67};
double data1[] = {85, 156, 179, 211, 123};
double data2[] = {97, 87, 56, 267, 157};
const char *labels[] = {"Mon", "Tue", "Wed", "Thur", "Fri"};
// Create a XYChart object of size 540 x 375 pixels
XYChart *c = new XYChart(540, 375);
// Add a title to the chart using 18pt Times Bold Italic font
c->addTitle("Average Weekly Network Load", "timesbi.ttf", 18);
// Set the plotarea at (50, 55) and of 440 x 280 pixels in size. Use a vertical gradient color
// from light red (ffdddd) to dark red (880000) as background. Set border and grid lines to
// white (ffffff).
c->setPlotArea(50, 55, 440, 280, c->linearGradientColor(0, 55, 0, 335, 0xffdddd, 0x880000), -1,
0xffffff, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 10pt Arial Bold as font, with
// transparent background.
c->addLegend(50, 25, false, "arialbd.ttf", 10)->setBackground(Chart::Transparent);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Set axis label style to 8pt Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
// Set axis line width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add axis title
c->yAxis()->setTitle("Throughput (MBytes Per Hour)");
// Add a multi-bar layer with 3 data sets and 4 pixels 3D depth
BarLayer *layer = c->addBarLayer(Chart::Side, 4);
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xffff00,
"Server #1");
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0x00ff00,
"Server #2");
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), 0x9999ff,
"Server #3");
// Set bar border to transparent. Use soft lighting effect with light direction from top.
layer->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Top));
// Configure the bars within a group to touch each others (no gap)
layer->setBarGap(0.2, Chart::TouchBar);
// Output the chart
c->makeChart("softmultibar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the chart
double data0[] = {100, 125, 245, 147, 67};
double data1[] = {85, 156, 179, 211, 123};
double data2[] = {97, 87, 56, 267, 157};
const char *labels[] = {"Mon Jun 4", "Tue Jun 5", "Wed Jun 6", "Thu Jun 7", "Fri Jun 8"};
// Create a XYChart object of size 540 x 350 pixels
XYChart *c = new XYChart(540, 350);
// Set the plot area to start at (120, 40) and of size 280 x 240 pixels
c->setPlotArea(120, 40, 280, 240);
// Add a title to the chart using 20pt Times Bold Italic (timesbi.ttf) font and using a deep
// blue color (0x000080)
c->addTitle("Weekly Server Load", "timesbi.ttf", 20, 0x000080);
// Add a legend box at (420, 100) (right of plot area) using 12pt Times Bold font. Sets the
// background of the legend box to light grey 0xd0d0d0 with a 1 pixel 3D border.
c->addLegend(420, 100, true, "timesbd.ttf", 12)->setBackground(0xd0d0d0, 0xd0d0d0, 1);
// Add a title to the y-axis using 12pt Arial Bold/deep blue (0x000080) font. Set the background
// to yellow (0xffff00) with a 2 pixel 3D border.
c->yAxis()->setTitle("Throughput (per hour)", "arialbd.ttf", 12, 0x000080)->setBackground(
0xffff00, 0xffff00, 2);
// Use 10pt Arial Bold/orange (0xcc6600) font for the y axis labels
c->yAxis()->setLabelStyle("arialbd.ttf", 10, 0xcc6600);
// Set the axis label format to "nnn MBytes"
c->yAxis()->setLabelFormat("{value} MBytes");
// Use 10pt Arial Bold/green (0x008000) font for the x axis labels. Set the label angle to 45
// degrees.
c->xAxis()->setLabelStyle("arialbd.ttf", 10, 0x008000)->setFontAngle(45);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Add a 3D stack bar layer with a 3D depth of 5 pixels
BarLayer *layer = c->addBarLayer(Chart::Stack, 5);
// Use Arial Italic as the default data label font in the bars
layer->setDataLabelStyle("ariali.ttf");
// Use 10pt Times Bold Italic (timesbi.ttf) as the aggregate label font. Set the background to
// flesh (0xffcc66) color with a 1 pixel 3D border.
layer->setAggregateLabelStyle("timesbi.ttf", 10)->setBackground(0xffcc66, Chart::Transparent, 1)
;
// Add the first data set to the stacked bar layer
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), -1, "Server #1");
// Add the second data set to the stacked bar layer
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), -1, "Server #2");
// Add the third data set to the stacked bar layer, and set its data label font to Arial Bold
// Italic.
TextBox *textbox = layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))
), -1, "Server #3")->setDataLabelStyle("arialbi.ttf");
// Set the data label font color for the third data set to yellow (0xffff00)
textbox->setFontColor(0xffff00);
// Set the data label background color to the same color as the bar segment, with a 1 pixel 3D
// border.
textbox->setBackground(Chart::SameAsMainColor, Chart::Transparent, 1);
// Output the chart
c->makeChart("fontxy.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the chart
double data[] = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55,
53, 35, 50, 66, 56, 48, 52, 65, 62};
// The labels for the chart
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
"24"};
// Create a XYChart object of size 500 x 300 pixels, with a pale yellow
// (0xffffc0) background, a black border, and 1 pixel 3D border effect
XYChart *c = new XYChart(500, 300, 0xffffc0, 0x000000, 1);
// Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white
// background. Turn on both horizontal and vertical grid lines with light grey
// color (0xc0c0c0)
c->setPlotArea(55, 50, 420, 205, 0xffffff)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8
// pts Arial font. Set the background and border color to Transparent.
LegendBox *legendBox = c->addLegend(55, 25, false, "", 8);
legendBox->setBackground(Chart::Transparent);
// Add keys to the legend box to explain the color zones
legendBox->addKey("Normal Zone", 0x8033ff33);
legendBox->addKey("Alert Zone", 0x80ff3333);
// Add a title box to the chart using 13 pts Arial Bold Italic font. The title is
// in CDML and includes embedded images for highlight. The text is white
// (0xffffff) on a black background, with a 1 pixel 3D border.
c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color "
"Demo <*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13, 0xffffff
)->setBackground(0x000000, -1, 1);
// Add a title to the y axis
c->yAxis()->setTitle("Energy Concentration (KJ per liter)");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Display 1 out of 3 labels on the x-axis.
c->xAxis()->setLabelStep(3);
// Add a title to the x axis using CDML
c->xAxis()->setTitle(
"<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
// Set the axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add an area layer to the chart. The area is using a y zone color, where the
// color is semi-transparent green below 60, and semi-transparent red above 60.
c->addAreaLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])), c->yZoneColor(
60, 0x8033ff33, 0x80ff3333));
// Add a custom CDML text at the bottom right of the plot area as the logo
c->addText(475, 255,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>"
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>"
)->setAlignment(Chart::BottomRight);
// Output the chart
c->makeChart("yzonecolor.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
char buffer[256];
// The XY data of the first data series
double dataX[] = {50, 55, 37, 24, 42, 49, 63, 72, 83, 59};
double dataY[] = {3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3};
// Create a XYChart object of size 450 x 420 pixels
XYChart *c = new XYChart(450, 420);
// Set the plotarea at (55, 65) and of size 350 x 300 pixels, with white
// background and a light grey border (0xc0c0c0). Turn on both horizontal and
// vertical grid lines with light grey color (0xc0c0c0)
c->setPlotArea(55, 65, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a title to the chart using 18 point Times Bold Itatic font.
c->addTitle("Server Performance", "timesbi.ttf", 18);
// Add titles to the axes using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Response Time (sec)", "arialbi.ttf", 12);
c->xAxis()->setTitle("Server Load (TPS)", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->yAxis()->setWidth(3);
c->xAxis()->setWidth(3);
// Add a scatter layer using (dataX, dataY)
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])),
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0])), "", Chart::DiamondSymbol,
11, 0x008000);
// Add a trend line layer for (dataX, dataY)
TrendLayer *trendLayer = c->addTrendLayer(DoubleArray(dataX,
sizeof(dataX)/sizeof(dataX[0])), DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), 0x008000);
// Set the line width to 3 pixels
trendLayer->setLineWidth(3);
// Add a 95% confidence band for the line
trendLayer->addConfidenceBand(0.95, 0x806666ff);
// Add a 95% confidence band (prediction band) for the points
trendLayer->addPredictionBand(0.95, 0x8066ff66);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
LegendBox *legendBox = c->addLegend(50, 30, false, "arialbi.ttf", 10);
legendBox->setBackground(Chart::Transparent);
// Add entries to the legend box
legendBox->addKey("95% Line Confidence", 0x806666ff);
legendBox->addKey("95% Point Confidence", 0x8066ff66);
// Display the trend line parameters as a text table formatted using CDML
sprintf(buffer,
"<*block*>Slope\nIntercept\nCorrelation\nStd Error<*/*> <*block*>%.4f "
"sec/tps\n%.4f sec\n%.4f\n%.4f sec<*/*>", trendLayer->getSlope(),
trendLayer->getIntercept(), trendLayer->getCorrelation(),
trendLayer->getStdError());
TextBox *textbox = c->addText(56, 65, buffer, "arialbd.ttf", 8);
// Set the background of the text box to light grey, with a black border, and 1
// pixel 3D border
textbox->setBackground(0xc0c0c0, 0, 1);
// Output the chart
c->makeChart("confidenceband.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// the names of the tasks
const char *labels[] = {"Market Research", "Define Specifications",
"Overall Archiecture", "Project Planning", "Detail Design",
"Software Development", "Test Plan", "Testing and QA", "User Documentation"};
// the planned start dates and end dates for the tasks
double startDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 30), chartTime(
2004, 9, 13), chartTime(2004, 9, 20), chartTime(2004, 9, 27), chartTime(2004,
10, 4), chartTime(2004, 10, 25), chartTime(2004, 11, 1), chartTime(2004, 11,
8)};
double endDate[] = {chartTime(2004, 8, 30), chartTime(2004, 9, 13), chartTime(
2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 11), chartTime(
2004, 11, 8), chartTime(2004, 11, 8), chartTime(2004, 11, 22), chartTime(
2004, 11, 22)};
// the actual start dates and end dates for the tasks up to now
double actualStartDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 27),
chartTime(2004, 9, 9), chartTime(2004, 9, 18), chartTime(2004, 9, 22)};
double actualEndDate[] = {chartTime(2004, 8, 27), chartTime(2004, 9, 9),
chartTime(2004, 9, 27), chartTime(2004, 10, 2), chartTime(2004, 10, 8)};
// Create a XYChart object of size 620 x 280 pixels. Set background color to
// light green (ccffcc) with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 280, 0xccffcc, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white
// (ffffff) text on a dark green (0x6000) background
c->addTitle("Mutli-Layer Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x006000);
// Set the plotarea at (140, 55) and of size 460 x 200 pixels. Use alternative
// white/grey background. Enable both horizontal and vertical grids by setting
// their colors to grey (c0c0c0). Set vertical major grid (represents month
// boundaries) 2 pixels in width
c->setPlotArea(140, 55, 460, 200, 0xffffff, 0xeeeeee, Chart::LineColor, 0xc0c0c0,
0xc0c0c0)->setGridWidth(2, 1, 1, 1);
// swap the x and y axes to create a horziontal box-whisker chart
c->swapXY();
// Set the y-axis scale to be date scale from Aug 16, 2004 to Nov 22, 2004, with
// ticks every 7 days (1 week)
c->yAxis()->setDateScale(chartTime(2004, 8, 16), chartTime(2004, 11, 22), 86400 *
7);
// Add a red (ff0000) dash line to represent the current day
c->yAxis()->addMark(chartTime(2004, 10, 8), c->dashLineColor(0xff0000,
Chart::DashLine));
// Set multi-style axis label formatting. Month labels are in Arial Bold font in
// "mmm d" format. Weekly labels just show the day of month and use minor tick
// (by using '-' as first character of format string).
c->yAxis()->setMultiFormat(Chart::StartOfMonthFilter(),
"<*font=arialbd.ttf*>{value|mmm d}", Chart::StartOfDayFilter(), "-{value|d}")
;
// Set the y-axis to shown on the top (right + swapXY = top)
c->setYAxisOnRight();
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Reverse the x-axis scale so that it points downwards.
c->xAxis()->setReverse();
// Set the horizontal ticks and grid lines to be between the bars
c->xAxis()->setTickOffset(0.5);
// Use blue (0000aa) as the color for the planned schedule
int plannedColor = 0x0000aa;
// Use a red hash pattern as the color for the actual dates. The pattern is
// created as a 4 x 4 bitmap defined in memory as an array of colors.
int pattern1[] = {0xffffff, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff,
0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000,
0xffffff, 0xffffff, 0xffffff};
int actualColor = c->patternColor(IntArray(pattern1,
sizeof(pattern1)/sizeof(pattern1[0])), 4);
// Add a box whisker layer to represent the actual dates. We add the actual dates
// layer first, so it will be the top layer.
BoxWhiskerLayer *actualLayer = c->addBoxLayer(DoubleArray(actualStartDate,
sizeof(actualStartDate)/sizeof(actualStartDate[0])), DoubleArray(
actualEndDate, sizeof(actualEndDate)/sizeof(actualEndDate[0])), actualColor,
"Actual");
// Set the bar height to 8 pixels so they will not block the bottom bar
actualLayer->setDataWidth(8);
// Add a box-whisker layer to represent the planned schedule date
c->addBoxLayer(DoubleArray(startDate, sizeof(startDate)/sizeof(startDate[0])),
DoubleArray(endDate, sizeof(endDate)/sizeof(endDate[0])), plannedColor,
"Planned")->setBorderColor(Chart::SameAsMainColor);
// Add a legend box on the top right corner (595, 60) of the plot area with 8 pt
// Arial Bold font. Use a semi-transparent grey (80808080) background.
LegendBox *b = c->addLegend(595, 60, false, "arialbd.ttf", 8);
b->setAlignment(Chart::TopRight);
b->setBackground(0x80808080, -1, 2);
// output the chart
c->makeChart("layergantt.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// In this example, the data points are unevenly spaced on the x-axis
double dataY[] = {4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4, 2.1, 3, 2.5,
2.5, 3.1};
double dataX[] = {Chart::chartTime(1999, 7, 1), Chart::chartTime(2000, 1, 1), Chart::chartTime(
2000, 2, 1), Chart::chartTime(2000, 4, 1), Chart::chartTime(2000, 5, 8), Chart::chartTime(
2000, 7, 5), Chart::chartTime(2001, 3, 5), Chart::chartTime(2001, 4, 7), Chart::chartTime(
2001, 5, 9), Chart::chartTime(2002, 2, 4), Chart::chartTime(2002, 4, 4), Chart::chartTime(
2002, 5, 8), Chart::chartTime(2002, 7, 7), Chart::chartTime(2002, 8, 30), Chart::chartTime(
2003, 1, 2), Chart::chartTime(2003, 2, 16), Chart::chartTime(2003, 11, 6), Chart::chartTime(
2004, 1, 4)};
// Data points are assigned different symbols based on point type
double pointType[] = {0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0};
// Create a XYChart object of size 480 x 320 pixels. Use a vertical gradient color from pale
// blue (e8f0f8) to sky blue (aaccff) spanning half the chart height as background. Set border
// to blue (88aaee). Use rounded corners. Enable soft drop shadow.
XYChart *c = new XYChart(480, 320);
c->setBackground(c->linearGradientColor(0, 0, 0, c->getHeight() / 2, 0xe8f0f8, 0xaaccff),
0x88aaee);
c->setRoundedFrame();
c->setDropShadow();
// Add a title to the chart using 15 points Arial Italic font. Set top/bottom margins to 12
// pixels.
TextBox *title = c->addTitle("Multi-Symbol Line Chart Demo", "ariali.ttf", 15);
title->setMargin(0, 0, 12, 12);
// Tentatively set the plotarea to 50 pixels from the left edge to allow for the y-axis, and to
// just under the title. Set the width to 65 pixels less than the chart width, and the height to
// reserve 90 pixels at the bottom for the x-axis and the legend box. Use pale blue (e8f0f8)
// background, transparent border, and grey (888888) dotted horizontal and vertical grid lines.
c->setPlotArea(50, title->getHeight(), c->getWidth() - 65, c->getHeight() - title->getHeight() -
90, 0xe8f0f8, -1, Chart::Transparent, c->dashLineColor(0x888888, Chart::DotLine), -1);
// Add a legend box where the bottom-center is anchored to the 12 pixels above the bottom-center
// of the chart. Use horizontal layout and 8 points Arial font.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, c->getHeight() - 12, false,
"arialbd.ttf", 8);
legendBox->setAlignment(Chart::BottomCenter);
// Set the legend box background and border to pale blue (e8f0f8) and bluish grey (445566)
legendBox->setBackground(0xe8f0f8, 0x445566);
// Use rounded corners of 5 pixel radius for the legend box
legendBox->setRoundedCorners(5);
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set y-axis title to use 10 points Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 10);
// Set axis labels to use Arial Bold font
c->yAxis()->setLabelStyle("arialbd.ttf");
c->xAxis()->setLabelStyle("arialbd.ttf");
// We add the different data symbols using scatter layers. The scatter layers are added before
// the line layer to make sure the data symbols stay on top of the line layer.
// We select the points with pointType = 0 (the non-selected points will be set to NoValue), and
// use yellow (ffff00) 15 pixels high 5 pointed star shape symbols for the points. (This example
// uses both x and y coordinates. For charts that have no x explicitly coordinates, use an empty
// array as dataX.)
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(DoubleArray(
pointType, (int)(sizeof(pointType) / sizeof(pointType[0]))), Chart::NoValue),
"Point Type 0", Chart::StarShape(5), 15, 0xffff00);
// Similar to above, we select the points with pointType - 1 = 0 and use green (ff00) 13 pixels
// high six-sided polygon as symbols.
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(sizeof(pointType) / sizeof(pointType[0])))).sub(1),
Chart::NoValue), "Point Type 1", Chart::PolygonShape(6), 13, 0x00ff00);
// Similar to above, we select the points with pointType - 2 = 0 and use red (ff0000) 13 pixels
// high X shape as symbols.
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(sizeof(pointType) / sizeof(pointType[0])))).sub(2),
Chart::NoValue), "Point Type 2", Chart::Cross2Shape(), 13, 0xff0000);
// Finally, add a blue (0000ff) line layer with line width of 2 pixels
LineLayer *layer = c->addLineLayer(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0]))),
0x0000ff);
layer->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
layer->setLineWidth(2);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 10 pixels from
// the left edge, just below the title, 25 pixels from the right edge, and 8 pixels above the
// legend box.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 25, c->layoutLegend()->getTopY() - 8);
// Output the chart
c->makeChart("multisymbolline.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the area chart
double data0[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56,
56, 60, 70, 76, 63, 67, 75, 64, 51};
double data1[] = {50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67,
58, 59, 73, 77, 84, 82, 80, 84, 98};
double data2[] = {87, 89, 85, 66, 53, 39, 24, 21, 37, 56, 37, 23, 21, 33, 13, 17,
14, 23, 16, 25, 29, 30, 45, 47, 46};
// The timestamps on the x-axis
double labels[] = {chartTime(1996, 1, 1), chartTime(1996, 4, 1), chartTime(1996,
7, 1), chartTime(1996, 10, 1), chartTime(1997, 1, 1), chartTime(1997, 4, 1),
chartTime(1997, 7, 1), chartTime(1997, 10, 1), chartTime(1998, 1, 1),
chartTime(1998, 4, 1), chartTime(1998, 7, 1), chartTime(1998, 10, 1),
chartTime(1999, 1, 1), chartTime(1999, 4, 1), chartTime(1999, 7, 1),
chartTime(1999, 10, 1), chartTime(2000, 1, 1), chartTime(2000, 4, 1),
chartTime(2000, 7, 1), chartTime(2000, 10, 1), chartTime(2001, 1, 1),
chartTime(2001, 4, 1), chartTime(2001, 7, 1), chartTime(2001, 10, 1),
chartTime(2002, 1, 1)};
// Create a XYChart object of size 500 x 280 pixels, using 0xffffcc as background
// color, with a black border, and 1 pixel 3D border effect
XYChart *c = new XYChart(500, 280, 0xffffcc, 0, 1);
// Set the plotarea at (50, 45) and of size 320 x 200 pixels with white
// background. Enable horizontal and vertical grid lines using the grey
// (0xc0c0c0) color.
c->setPlotArea(50, 45, 320, 200, 0xffffff)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a legend box at (370, 45) using vertical layout and 8 points Arial Bold
// font.
LegendBox *legendBox = c->addLegend(370, 45, true, "arialbd.ttf", 8);
// Set the legend box background and border to transparent
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Set the legend box icon size to 16 x 32 pixels to match with custom icon size
legendBox->setKeySize(16, 32);
// Add a title to the chart using 14 points Times Bold Itatic font and white font
// color, and 0x804020 as the background color
c->addTitle("Quarterly Product Sales", "timesbi.ttf", 14, 0xffffff
)->setBackground(0x804020);
// Set the labels on the x axis.
c->xAxis()->setLabels(DoubleArray(labels, sizeof(labels)/sizeof(labels[0])));
// Set multi-style axis label formatting. Start of year labels are displayed as
// yyyy. For other labels, just show minor tick.
c->xAxis()->setMultiFormat(Chart::StartOfYearFilter(), "{value|yyyy}",
Chart::AllPassFilter(), "-");
// Add a percentage area layer to the chart
AreaLayer *layer = c->addAreaLayer(Chart::Percentage);
// Add the three data sets to the area layer, using icons images with labels as
// data set names
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0x40ddaa77,
"<*block,valign=absmiddle*><*img=service.png*> Service<*/*>");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x40aadd77,
"<*block,valign=absmiddle*><*img=software.png*> Software<*/*>");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x40aa77dd,
"<*block,valign=absmiddle*><*img=computer.png*> Hardware<*/*>");
// For a vertical stacked chart with positive data only, the last data set is
// always on top. However, in a vertical legend box, the last data set is at the
// bottom. This can be reversed by using the setLegend method.
layer->setLegend(Chart::ReverseLegend);
// Output the chart
c->makeChart("percentarea.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The XY data of the first data series
double dataX0[] = {10, 35, 17, 4, 22, 29, 45, 52, 63, 39};
double dataY0[] = {2.0, 3.2, 2.7, 1.2, 2.8, 2.9, 3.1, 3.0, 2.3, 3.3};
// The XY data of the second data series
double dataX1[] = {30, 35, 17, 4, 22, 59, 43, 52, 63, 39};
double dataY1[] = {1.0, 1.3, 0.7, 0.6, 0.8, 3.0, 1.8, 2.3, 3.4, 1.5};
// The XY data of the third data series
double dataX2[] = {28, 35, 15, 10, 22, 60, 46, 64, 39};
double dataY2[] = {2.0, 2.2, 1.2, 0.4, 1.8, 2.7, 2.4, 2.8, 2.4};
// Create a XYChart object of size 540 x 480 pixels
XYChart *c = new XYChart(540, 480);
// Set the plotarea at (70, 65) and of size 400 x 350 pixels, with white background and a light
// grey border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color
// (0xc0c0c0)
c->setPlotArea(70, 65, 400, 350, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a legend box with the top center point anchored at (270, 30). Use horizontal layout. Use
// 10pt Arial Bold Italic font. Set the background and border color to Transparent.
LegendBox *legendBox = c->addLegend(270, 30, false, "arialbi.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Add a title to the chart using 18 point Times Bold Itatic font.
c->addTitle("Parametric Curve Fitting", "timesbi.ttf", 18);
// Add titles to the axes using 12pt Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);
c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->yAxis()->setWidth(3);
c->xAxis()->setWidth(3);
// Add a scatter layer using (dataX0, dataY0)
c->addScatterLayer(DoubleArray(dataX0, (int)(sizeof(dataX0) / sizeof(dataX0[0]))), DoubleArray(
dataY0, (int)(sizeof(dataY0) / sizeof(dataY0[0]))), "Polynomial", Chart::GlassSphere2Shape,
11, 0xff0000);
// Add a degree 2 polynomial trend line layer for (dataX0, dataY0)
TrendLayer *trend0 = c->addTrendLayer(DoubleArray(dataX0, (int)(sizeof(dataX0) / sizeof(dataX0[0
]))), DoubleArray(dataY0, (int)(sizeof(dataY0) / sizeof(dataY0[0]))), 0xff0000);
trend0->setLineWidth(3);
trend0->setRegressionType(Chart::PolynomialRegression(2));
// Add a scatter layer for (dataX1, dataY1)
c->addScatterLayer(DoubleArray(dataX1, (int)(sizeof(dataX1) / sizeof(dataX1[0]))), DoubleArray(
dataY1, (int)(sizeof(dataY1) / sizeof(dataY1[0]))), "Exponential", Chart::GlassSphere2Shape,
11, 0x00aa00);
// Add an exponential trend line layer for (dataX1, dataY1)
TrendLayer *trend1 = c->addTrendLayer(DoubleArray(dataX1, (int)(sizeof(dataX1) / sizeof(dataX1[0
]))), DoubleArray(dataY1, (int)(sizeof(dataY1) / sizeof(dataY1[0]))), 0x00aa00);
trend1->setLineWidth(3);
trend1->setRegressionType(Chart::ExponentialRegression);
// Add a scatter layer using (dataX2, dataY2)
c->addScatterLayer(DoubleArray(dataX2, (int)(sizeof(dataX2) / sizeof(dataX2[0]))), DoubleArray(
dataY2, (int)(sizeof(dataY2) / sizeof(dataY2[0]))), "Logarithmic", Chart::GlassSphere2Shape,
11, 0x0000ff);
// Add a logarithmic trend line layer for (dataX2, dataY2)
TrendLayer *trend2 = c->addTrendLayer(DoubleArray(dataX2, (int)(sizeof(dataX2) / sizeof(dataX2[0
]))), DoubleArray(dataY2, (int)(sizeof(dataY2) / sizeof(dataY2[0]))), 0x0000ff);
trend2->setLineWidth(3);
trend2->setRegressionType(Chart::LogarithmicRegression);
// Output the chart
c->makeChart("paramcurve.png");
//free up resources
delete c;
return 0;
}
//
// Draw the chart and display it in the given viewer
//
void ZoomScrollTrack2::drawChart(QChartViewer *viewer)
{
// Get the start date and end date that are visible on the chart.
double viewPortStartDate = viewer->getValueAtViewPort("x", viewer->getViewPortLeft());
double viewPortEndDate = viewer->getValueAtViewPort("x", viewer->getViewPortLeft() +
viewer->getViewPortWidth());
// Get the array indexes that corresponds to the visible start and end dates
int startIndex = (int)floor(Chart::bSearch(m_timeStamps, viewPortStartDate));
int endIndex = (int)ceil(Chart::bSearch(m_timeStamps, viewPortEndDate));
int noOfPoints = endIndex - startIndex + 1;
// Extract the part of the data array that are visible.
DoubleArray viewPortTimeStamps = DoubleArray(m_timeStamps.data + startIndex, noOfPoints);
DoubleArray viewPortDataSeriesA = DoubleArray(m_dataSeriesA.data + startIndex, noOfPoints);
DoubleArray viewPortDataSeriesB = DoubleArray(m_dataSeriesB.data + startIndex, noOfPoints);
DoubleArray viewPortDataSeriesC = DoubleArray(m_dataSeriesC.data + startIndex, noOfPoints);
//
// At this stage, we have extracted the visible data. We can use those data to plot the chart.
//
///////////////////////////////////////////////////////////////////////////////////////
// Configure overall chart appearance.
///////////////////////////////////////////////////////////////////////////////////////
// Create an XYChart object of size 650 x 350 pixels, with a white (ffffff) background and grey
// (aaaaaa) border
XYChart *c = new XYChart(650, 350, 0xffffff, 0xaaaaaa);
// Set the plotarea at (55, 55) with width 90 pixels less than chart width, and height 90 pixels
// less than chart height. Use a vertical gradient from light blue (f0f6ff) to sky blue (a0c0ff)
// as background. Set border to transparent and grid lines to white (ffffff).
c->setPlotArea(55, 55, c->getWidth() - 90, c->getHeight() - 90, c->linearGradientColor(0, 55, 0,
c->getHeight() - 35, 0xf0f6ff, 0xa0c0ff), -1, Chart::Transparent, 0xffffff, 0xffffff);
// As the data can lie outside the plotarea in a zoomed chart, we need enable clipping.
c->setClipping();
// Add a title to the chart using 18 pts Times New Roman Bold Italic font
c->addTitle(" Zooming and Scrolling with Track Line (2)", "timesbi.ttf", 18);
// Add a legend box at (55, 30) using horizontal layout. Use 8pts Arial Bold as font. Set the
// background and border color to Transparent and use line style legend key.
LegendBox *b = c->addLegend(55, 30, false, "arialbd.ttf", 8);
b->setBackground(Chart::Transparent);
b->setLineStyleKey();
// Set the axis stem to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Ionic Temperature (C)", "arialbi.ttf", 10);
///////////////////////////////////////////////////////////////////////////////////////
// Add data to chart
///////////////////////////////////////////////////////////////////////////////////////
//
// In this example, we represent the data by lines. You may modify the code below to use other
// representations (areas, scatter plot, etc).
//
// Add a line layer for the lines, using a line width of 2 pixels
LineLayer *layer = c->addLineLayer();
layer->setLineWidth(2);
// In this demo, we do not have too many data points. In real code, the chart may contain a lot
// of data points when fully zoomed out - much more than the number of horizontal pixels in this
// plot area. So it is a good idea to use fast line mode.
layer->setFastLineMode();
// Now we add the 3 data series to a line layer, using the color red (ff0000), green
// (00cc00) and blue (0000ff)
layer->setXData(viewPortTimeStamps);
layer->addDataSet(viewPortDataSeriesA, 0xff3333, "Alpha");
layer->addDataSet(viewPortDataSeriesB, 0x008800, "Beta");
layer->addDataSet(viewPortDataSeriesC, 0x3333CC, "Gamma");
///////////////////////////////////////////////////////////////////////////////////////
// Configure axis scale and labelling
///////////////////////////////////////////////////////////////////////////////////////
// Set the x-axis as a date/time axis with the scale according to the view port x range.
viewer->syncDateAxisWithViewPort("x", c->xAxis());
//
// In this demo, the time range can be from a few years to a few days. We demonstrate how to set
// up different date/time format based on the time range.
//
// If all ticks are yearly aligned, then we use "yyyy" as the label format.
c->xAxis()->setFormatCondition("align", 360 * 86400);
c->xAxis()->setLabelFormat("{value|yyyy}");
// If all ticks are monthly aligned, then we use "mmm yyyy" in bold font as the first
// label of a year, and "mmm" for other labels.
c->xAxis()->setFormatCondition("align", 30 * 86400);
c->xAxis()->setMultiFormat(Chart::StartOfYearFilter(), "<*font=bold*>{value|mmm yyyy}",
Chart::AllPassFilter(), "{value|mmm}");
// If all ticks are daily algined, then we use "mmm dd<*br*>yyyy" in bold font as the
// first label of a year, and "mmm dd" in bold font as the first label of a month, and
// "dd" for other labels.
c->xAxis()->setFormatCondition("align", 86400);
c->xAxis()->setMultiFormat(Chart::StartOfYearFilter(),
"<*block,halign=left*><*font=bold*>{value|mmm dd<*br*>yyyy}",
Chart::StartOfMonthFilter(), "<*font=bold*>{value|mmm dd}");
c->xAxis()->setMultiFormat(Chart::AllPassFilter(), "{value|dd}");
// For all other cases (sub-daily ticks), use "hh:nn<*br*>mmm dd" for the first label of
// a day, and "hh:nn" for other labels.
c->xAxis()->setFormatCondition("else");
c->xAxis()->setMultiFormat(Chart::StartOfDayFilter(),
"<*font=bold*>{value|hh:nn<*br*>mmm dd}", Chart::AllPassFilter(), "{value|hh:nn}");
///////////////////////////////////////////////////////////////////////////////////////
// Output the chart
///////////////////////////////////////////////////////////////////////////////////////
// We need to update the track line too. If the mouse is moving on the chart (eg. if
// the user drags the mouse on the chart to scroll it), the track line will be updated
// in the MouseMovePlotArea event. Otherwise, we need to update the track line here.
if ((!viewer->isInMouseMoveEvent()) && viewer->isMouseOnPlotArea())
trackLineLabel(c, viewer->getPlotAreaMouseX());
delete viewer->getChart();
viewer->setChart(c);
}
int main(int argc, char *argv[])
{
// The data for the chart
double data0[] = {42, 49, Chart::NoValue, 38, 64, 56, 29, 41, 44, 57};
double data1[] = {65, 75, 47, 34, 42, 49, 73, Chart::NoValue, 90, 69, 66, 78};
double data2[] = {Chart::NoValue, Chart::NoValue, 25, 28, 38, 20, 22,
Chart::NoValue, 25, 33, 30, 24};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 600 x 360 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners.
XYChart *c = new XYChart(600, 360, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame();
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 6 pixels.
TextBox *title = c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18);
title->setMargin(0, 0, 6, 6);
// Add a separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor);
// Add a legend box where the top-center is anchored to the horizontal center of
// the chart, just under the title. Use horizontal layout and 10 points Arial
// Bold font, and transparent background and border.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, title->getHeight(), false,
"arialbd.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use
// transparent border and black (000000) grid lines
c->setPlotArea(70, 75, 460, 240, -1, -1, Chart::Transparent, 0x000000, -1);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Show the same scale on the left and right y-axes
c->syncYAxis();
// Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this
// as the guideline when putting ticks on the y-axis.
c->yAxis()->setTickDensity(30);
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Set the x-axis margins to 15 pixels, so that the horizontal grid lines can
// extend beyond the leftmost and rightmost vertical grid lines
c->xAxis()->setMargin(15, 15);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
c->yAxis2()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
// Add the first line. The missing data will be represented as gaps in the line
// (the default behaviour)
LineLayer *layer0 = c->addLineLayer();
layer0->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff0000,
"Quantum Computer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer0->setLineWidth(3);
// Add the second line. The missing data will be represented by using dash lines
// to bridge the gap
LineLayer *layer1 = c->addLineLayer();
layer1->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x00ff00,
"Atom Synthesizer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer1->setLineWidth(3);
layer1->setGapColor(c->dashLineColor(0x00ff00));
// Add the third line. The missing data will be ignored - just join the gap with
// the original line style.
LineLayer *layer2 = c->addLineLayer();
layer2->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0xff6600,
"Proton Cannon")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer2->setLineWidth(3);
layer2->setGapColor(Chart::SameAsMainColor);
// layout the legend so we can get the height of the legend box
c->layoutLegend();
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 15 pixels from the left edge, just under the legend box, 16 pixels from the
// right edge, and 25 pixels from the bottom edge.
c->packPlotArea(15, legendBox->getTopY() + legendBox->getHeight(), c->getWidth()
- 16, c->getHeight() - 25);
// Output the chart
c->makeChart("missingpoints.jpg");
//free up resources
delete c;
return 0;
}
