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[])
{
// data for the gantt chart, representing the start date, end date and names for
// various activities
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)};
const char *labels[] = {"Market Research", "Define Specifications",
"Overall Archiecture", "Project Planning", "Detail Design",
"Software Development", "Test Plan", "Testing and QA", "User Documentation"};
// Create a XYChart object of size 620 x 280 pixels. Set background color to
// light blue (ccccff), with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 280, 0xccccff, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white
// (ffffff) text on a deep blue (000080) background
c->addTitle("Simple Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x000080);
// 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);
// 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);
// Add a green (33ff33) box-whisker layer showing the box only.
c->addBoxWhiskerLayer(DoubleArray(startDate,
sizeof(startDate)/sizeof(startDate[0])), DoubleArray(endDate,
sizeof(endDate)/sizeof(endDate[0])), DoubleArray(), DoubleArray(),
DoubleArray(), 0x00cc00, Chart::SameAsMainColor, Chart::SameAsMainColor);
// output the chart
c->makeChart("gantt.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;
}
//只是一个demo,有内存泄露的
QWidget * Widget::addLineWithErrorSymbols()
{
// The data with error information
double data[] = {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 errData[] = {5, 6, 5.1, 6.5, 6.6, 8, 5.4, 5.1, 4.6, 5.0, 5.2, 6.0, 4.9, 5.6, 4.8, 6.2,
7.4, 7.1, 6.0, 6.6, 7.1, 50.3, 5.5, 7.9, 6.1};
// 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 600 x 300 pixels, with a light grey (eeeeee) background,
// black border, 1 pixel 3D border effect and rounded corners.
XYChart *c = new XYChart(600, 300, 0xeeeeee, 0x000000, 1);
c->setRoundedFrame(0xaafaaf);
// Set the plotarea at (55, 55) and of size 520 x 195 pixels, with white (ffffff) background.
// Set horizontal and vertical grid lines to grey (cccccc).
c->setPlotArea(55, 55, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a title box to the chart using 15pt Times Bold Italic font. The title is in CDML and
// includes embedded images for highlight. The text is on a light grey (dddddd) background, with
// glass lighting effect.
c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Molecular Temperature Control "
"<*img=star.png*><*img=star.png*><*/*>", "timesbi.ttf", 15)->setBackground(0xdddddd, 0,
Chart::glassEffect());//增加玻璃效果
// Add a title to the y axis
c->yAxis()->setTitle("Temperature");
// Add a title to the x axis using CMDL
c->xAxis()->setTitle("<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
c->xAxis()->setLabelStep(3, 1);
// Set the axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add a line layer to the chart
LineLayer *lineLayer = c->addLineLayer();
// Add a blue (0xff) data set to the line layer, with yellow (0xffff80) diamond symbols
lineLayer->addDataSet(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), 0x0000ff
)->setDataSymbol(Chart::DiamondSymbol, 12, 0xffff80);
// Set the line width to 2 pixels
lineLayer->setLineWidth(2);
// Add a box whisker layer to the chart. Use the upper and lower mark of the box whisker layer
// to act as error zones. The upper and lower marks are computed using the ArrayMath object.
BoxWhiskerLayer *errLayer = c->addBoxWhiskerLayer(DoubleArray(), DoubleArray(), ArrayMath(
DoubleArray(data, (int)(sizeof(data) / sizeof(data[0])))).add(DoubleArray(errData, (int)(
sizeof(errData) / sizeof(errData[0])))), ArrayMath(DoubleArray(data, (int)(sizeof(data) /
sizeof(data[0])))).sub(DoubleArray(errData, (int)(sizeof(errData) / sizeof(errData[0])))),
DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), Chart::Transparent, 0xbb6633);
// Set the line width to 2 pixels
errLayer->setLineWidth(2);
// Set the error zone to occupy half the space between the symbols
errLayer->setDataGap(0.5);
// Add a custom CDML text at the bottom right of the plot area as the logo
c->addText(575, 247,
"<*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("errline.png");
QWidget * _w= new QWidget();
QChartViewer * _v = new QChartViewer(_w);
_v->setChart(c);
//free up resources
//delete c;
return _w;
}
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[])
{
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 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;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {85, 156, 179.5, 211, 123, 176, 195};
// The labels for the bar chart
const char *labels[] = {"Square", "Star(8)", "Polygon(6)", "Cross", "Cross2",
"Diamond", "Custom"};
// Create a XYChart object of size 500 x 280 pixels.
XYChart *c = new XYChart(500, 280);
// Set the plotarea at (50, 40) with alternating light grey (f8f8f8) / white
// (ffffff) background
c->setPlotArea(50, 40, 400, 200, 0xf8f8f8, 0xffffff);
// Add a title to the chart using 14 pts Arial Bold Italic font
c->addTitle(" Bar Shape Demonstration", "arialbi.ttf", 14);
// Add a multi-color bar chart layer
BarLayer *layer = c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])),
IntArray(0, 0));
// Set layer to 3D with 10 pixels 3D depth
layer->set3D(10);
// Set bar shape to circular (cylinder)
layer->setBarShape(Chart::CircleShape);
// Set the first bar (index = 0) to square shape
layer->setBarShape(Chart::SquareShape, 0, 0);
// Set the second bar to 8-pointed star
layer->setBarShape(Chart::StarShape(8), 0, 1);
// Set the third bar to 6-sided polygon
layer->setBarShape(Chart::PolygonShape(6), 0, 2);
// Set the next 3 bars to cross shape, X shape and diamond shape
layer->setBarShape(Chart::CrossShape(), 0, 3);
layer->setBarShape(Chart::Cross2Shape(), 0, 4);
layer->setBarShape(Chart::DiamondShape, 0, 5);
// Set the last bar to a custom shape, specified as an array of (x, y) points in
// normalized coordinates
int pattern1[] = {-500, 0, 0, 500, 500, 0, 500, 1000, 0, 500, -500, 1000};
layer->setBarShape(IntArray(pattern1, sizeof(pattern1)/sizeof(pattern1[0])), 0, 6
);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a title to the y axis
c->yAxis()->setTitle("Frequency");
// Add a title to the x axis
c->xAxis()->setTitle("Shapes");
// output the chart
c->makeChart("polygonbar.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 18 pts 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 10pts 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, 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 8pts 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, sizeof(data0)/sizeof(data0[0])), 0xffff00,
"Server #1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x00ff00,
"Server #2");
layer->addDataSet(DoubleArray(data2, 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[])
{
// 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 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, 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);
// 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[])
{
//
// Sample data for the HLOC chart.
//
double highData[] = {2043, 2039, 2076, 2064, 2048, 2058, 2070, 2033, 2027, 2029,
2071, 2085, 2034, 2031, 2056, 2128, 2180, 2183, 2192, 2213, 2230, 2281, 2272}
;
double lowData[] = {1931, 1921, 1985, 2028, 1986, 1994, 1999, 1958, 1943, 1944,
1962, 2011, 1975, 1962, 1928, 2059, 2112, 2103, 2151, 2127, 2123, 2152, 2212}
;
double openData[] = {2000, 1957, 1993, 2037, 2018, 2021, 2045, 2009, 1959, 1985,
2008, 2048, 2006, 2010, 1971, 2080, 2116, 2137, 2170, 2172, 2171, 2191, 2240}
;
double closeData[] = {1950, 1991, 2026, 2029, 2004, 2053, 2011, 1962, 1987, 2019,
2040, 2016, 1996, 1985, 2006, 2113, 2142, 2167, 2158, 2201, 2188, 2231, 2242}
;
// The labels for the HLOC chart
const char *labels[] = {"Mon 1", "Tue 2", "Wed 3", "Thu 4", "Fri 5", "Mon 8",
"Tue 9", "Wed 10", "Thu 11", "Fri 12", "Mon 15", "Tue 16", "Wed 17",
"Thu 18", "Fri 19", "Mon 22", "Tue 23", "Wed 24", "Thu 25", "Fri 26",
"Mon 29", "Tue 30", "Wed 31"};
// Create a XYChart object of size 600 x 350 pixels
XYChart *c = new XYChart(600, 350);
// Set the plotarea at (50, 25) and of size 500 x 250 pixels. Enable both the
// horizontal and vertical grids by setting their colors to grey (0xc0c0c0)
c->setPlotArea(50, 25, 500, 250)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a title to the chart
c->addTitle("Universal Stock Index on Jan 2001");
// Add a custom text at (50, 25) (the upper left corner of the plotarea). Use 12
// pts Arial Bold/blue (4040c0) as the font.
c->addText(50, 25, "(c) Global XYZ ABC Company", "arialbd.ttf", 12, 0x4040c0);
// Add a title to the x axis
c->xAxis()->setTitle("Jan 2001");
// Set the labels on the x axis. Rotate the labels by 45 degrees.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0]))
)->setFontAngle(45);
// Add a title to the y axis
c->yAxis()->setTitle("Universal Stock Index");
// Draw the y axis on the right hand side of the plot area
c->setYAxisOnRight(true);
// Add a HLOC layer to the chart using green (008000) for up days and red
// (ff0000) for down days
HLOCLayer *layer = c->addHLOCLayer(DoubleArray(highData,
sizeof(highData)/sizeof(highData[0])), DoubleArray(lowData,
sizeof(lowData)/sizeof(lowData[0])), DoubleArray(openData,
sizeof(openData)/sizeof(openData[0])), DoubleArray(closeData,
sizeof(closeData)/sizeof(closeData[0])), 0x008000, 0xff0000);
// Set the line width to 2 pixels
layer->setLineWidth(2);
// Output the chart
c->makeChart("hloc.png");
//free up resources
delete c;
return 0;
}
