ChartDirector 6.0 (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", "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)
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
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
Response.ContentType = "image/png"
Response.BinaryWrite c.makeChart2(cd.PNG)
Response.End
%>

[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