ChartDirector 7.0 (ASP/COM/VB Edition)

3D Stacked Area Chart




This example demonstrates creating a stacked area chart with 3D effects.

The key features demonstrated in this example are:

Source Code Listing

[Web Version (in ASP)] aspdemo\threedstackarea.asp
<%@ language="vbscript" %> <% Set cd = CreateObject("ChartDirector.API") ' The data for the area chart data0 = Array(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) data1 = Array(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) data2 = Array(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) labels = Array("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 Set c = cd.XYChart(500, 300) ' Set the plotarea at (90, 30) and of size 300 x 240 pixels. Call c.setPlotArea(90, 30, 300, 240) ' Add a legend box at (405, 100) Call c.addLegend(405, 100) ' Add a title to the chart Call c.addTitle("Daily System Load") ' Add a title to the y axis. Draw the title upright (font angle = 0) Call c.yAxis().setTitle("Database<*br*>Queries<*br*>(per sec)").setFontAngle(0) ' Set the labels on the x axis. Call c.xAxis().setLabels(labels) ' Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels. Call c.xAxis().setLabelStep(2, 1) ' Add an area layer Set layer = c.addAreaLayer() ' Draw the area layer in 3D Call layer.set3D() ' Add the three data sets to the area layer Call layer.addDataSet(data0, -1, "Server # 1") Call layer.addDataSet(data1, -1, "Server # 2") Call layer.addDataSet(data2, -1, "Server # 3") ' Output the chart Set viewer = cd.WebChartViewer(Request, "chart1") Call viewer.setChart(c, cd.SVG) ' Include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("", "", _ "title='{dataSetName} load at hour {xLabel}: {value} queries/sec'") %> <!DOCTYPE html> <html> <head> <title>3D Stacked Area Chart</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> 3D Stacked Area Chart </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a> </div> <!-- ****** Here is the chart image ****** --> <%= viewer.renderHTML() %> </body> </html>

[Windows Version (in Visual Basic)] vbdemo\threedstackarea.cls
Public Sub createChart(viewer As Object, chartIndex As Integer) Dim cd As New ChartDirector.API ' The data for the area chart Dim data0() data0 = Array(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) Dim data1() data1 = Array(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) Dim data2() data2 = Array(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) Dim labels() labels = Array("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 Dim c As XYChart Set c = cd.XYChart(500, 300) ' Set the plotarea at (90, 30) and of size 300 x 240 pixels. Call c.setPlotArea(90, 30, 300, 240) ' Add a legend box at (405, 100) Call c.addLegend(405, 100) ' Add a title to the chart Call c.addTitle("Daily System Load") ' Add a title to the y axis. Draw the title upright (font angle = 0) Call c.yAxis().setTitle("Database<*br*>Queries<*br*>(per sec)").setFontAngle(0) ' Set the labels on the x axis. Call c.xAxis().setLabels(labels) ' Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels. Call c.xAxis().setLabelStep(2, 1) ' Add an area layer Dim layer As AreaLayer Set layer = c.addAreaLayer() ' Draw the area layer in 3D Call layer.set3D() ' Add the three data sets to the area layer Call layer.addDataSet(data0, -1, "Server # 1") Call layer.addDataSet(data1, -1, "Server # 2") Call layer.addDataSet(data2, -1, "Server # 3") ' Output the chart Set viewer.Picture = c.makePicture() 'include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", _ "title='{dataSetName} load at hour {xLabel}: {value} queries/sec'") End Sub