ChartDirector 7.0 (ASP/COM/VB Edition)

Borderless Bar Chart




This example demonstrates a horizontal bar chart with no axes, grid lines or and plot area border. It also demonstrates using gradient colors for the bars, and a number of other ChartDirector features.

The key features demonstrated in this example are:

Source Code Listing

[Web Version (in ASP)] aspdemo\hbar.asp
<%@ language="vbscript" %> <% Set cd = CreateObject("ChartDirector.API") ' The data for the bar chart data = Array(3.9, 8.1, 10.9, 14.2, 18.1, 19.0, 21.2, 23.2, 25.7, 36) ' The labels for the bar chart labels = Array("Bastic Group", "Simpa", "YG Super", "CID", "Giga Tech", "Indo Digital", "Supreme", _ "Electech", "THP Thunder", "Flash Light") ' Create a XYChart object of size 600 x 250 pixels Set c = cd.XYChart(600, 250) ' Add a title to the chart using Arial Bold Italic font Call c.addTitle("Revenue Estimation - Year 2002", "Arial Bold Italic") ' Set the plotarea at (100, 30) and of size 400 x 200 pixels. Set the plotarea border, background ' and grid lines to Transparent Call c.setPlotArea(100, 30, 400, 200, cd.Transparent, cd.Transparent, cd.Transparent, _ cd.Transparent, cd.Transparent) ' Add a bar chart layer using the given data. Use a gradient color for the bars, where the gradient ' is from dark green (0x008000) to white (0xffffff) Set layer = c.addBarLayer(data, c.gradientColor(100, 0, 500, 0, &H008000, &Hffffff)) ' Swap the axis so that the bars are drawn horizontally Call c.swapXY(True) ' Set the bar gap to 10% Call layer.setBarGap(0.1) ' Use the format "US$ xxx millions" as the bar label Call layer.setAggregateLabelFormat("US$ {value} millions") ' Set the bar label font to 10pt Times Bold Italic/dark red (0x663300) Call layer.setAggregateLabelStyle("Times New Roman Bold Italic", 10, &H663300) ' Set the labels on the x axis Set textbox = c.xAxis().setLabels(labels) ' Set the x axis label font to 10pt Arial Bold Italic Call textbox.setFontStyle("Arial Bold Italic") Call textbox.setFontSize(10) ' Set the x axis to Transparent, with labels in dark red (0x663300) Call c.xAxis().setColors(cd.Transparent, &H663300) ' Set the y axis and labels to Transparent Call c.yAxis().setColors(cd.Transparent, cd.Transparent) ' 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='{xLabel}: US${value} millions'") %> <!DOCTYPE html> <html> <head> <title>Borderless Bar 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;"> Borderless Bar 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\hbar.cls
Public Sub createChart(viewer As Object, chartIndex As Integer) Dim cd As New ChartDirector.API ' The data for the bar chart Dim data() data = Array(3.9, 8.1, 10.9, 14.2, 18.1, 19.0, 21.2, 23.2, 25.7, 36) ' The labels for the bar chart Dim labels() labels = Array("Bastic Group", "Simpa", "YG Super", "CID", "Giga Tech", "Indo Digital", _ "Supreme", "Electech", "THP Thunder", "Flash Light") ' Create a XYChart object of size 600 x 250 pixels Dim c As XYChart Set c = cd.XYChart(600, 250) ' Add a title to the chart using Arial Bold Italic font Call c.addTitle("Revenue Estimation - Year 2002", "arialbi.ttf") ' Set the plotarea at (100, 30) and of size 400 x 200 pixels. Set the plotarea border, ' background and grid lines to Transparent Call c.setPlotArea(100, 30, 400, 200, cd.Transparent, cd.Transparent, cd.Transparent, _ cd.Transparent, cd.Transparent) ' Add a bar chart layer using the given data. Use a gradient color for the bars, where the ' gradient is from dark green (0x008000) to white (0xffffff) Dim layer As BarLayer Set layer = c.addBarLayer(data, c.gradientColor(100, 0, 500, 0, &H008000, &Hffffff)) ' Swap the axis so that the bars are drawn horizontally Call c.swapXY(True) ' Set the bar gap to 10% Call layer.setBarGap(0.1) ' Use the format "US$ xxx millions" as the bar label Call layer.setAggregateLabelFormat("US$ {value} millions") ' Set the bar label font to 10pt Times Bold Italic/dark red (0x663300) Call layer.setAggregateLabelStyle("timesbi.ttf", 10, &H663300) ' Set the labels on the x axis Dim textbox As ChartDirector.TextBox Set textbox = c.xAxis().setLabels(labels) ' Set the x axis label font to 10pt Arial Bold Italic Call textbox.setFontStyle("arialbi.ttf") Call textbox.setFontSize(10) ' Set the x axis to Transparent, with labels in dark red (0x663300) Call c.xAxis().setColors(cd.Transparent, &H663300) ' Set the y axis and labels to Transparent Call c.yAxis().setColors(cd.Transparent, cd.Transparent) ' Output the chart Set viewer.Picture = c.makePicture() 'include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", "title='{xLabel}: US${value} millions'") End Sub