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; }