Example 14: DateTime Scatter Chart type
Hi again!
In previous example, we
learnt how to use a DateTime range on the X-axis
but there was no relationship between the X-axis
position and the date represented by each
value.
The good news are that
beginning version 9.1, there's a new chart
type specially designed for DateTime in the
X-axis scale and a numeric value on the Y-axis.
It's called DateTime Scatter Chart.
Use this chart type when
you need something like "add a point on
13/12/2006 with a value of 75.12".
Steps:
1. Create a new Windows
application project (VB.NET)
2. Add Super 2d/3d Graph
Library to the toolbox pallete and drag it
to Form1
3. Copy and paste de
following code:
Form Code
Imports
Super2d3dGraphLibrary
Public
Class
Form1
Private
Sub
Form1_Load(ByVal
sender
As
System.Object,
ByVal e
As
System.EventArgs)
Handles
MyBase.Load
Dim x
As
New
Super2d3dGraphLibrary.SeriesFactory
Dim k
As
Long
Dim d
As
DateTime = DateTime.Now
For k =
1
To 15
x.AddDateTimeValue(d, k * 5)
d = d.Add(New
TimeSpan(Rnd() * 10, Rnd() + 10, Rnd() *
10))
Next
With
Super2D3dGraph1
.LicenseeIdentifier = "STAND" ' This is the
demo license
.Style =
STYLE2D3D.STYLE2D_XY_DATETIME
.XAxisScaleMode
= SCALEMODE.SCALEMODE_AUTOMATIC
.ShowValues =
False
.Calculation =
CALCULATION.CALCULATION_AVERAGE
.ShowXAxis =
True
.XAxisLabelsRotated
=
True
.HotSpotsEnabled
=
True
.ShowLegend =
False
.ShowDataTable
=
False
.WallsBackStyle
=
STYLEWALLBACKGROUND.STYLEWALLBACKGROUND_GRADIENT_INVERTED
.WallsBackColorPrincipal
= Color.Goldenrod
End
With
x.ApplyTo(Super2D3dGraph1)
End
Sub
End
Class
Result:
 |
