SetSourceRatioById
Last update: 17.07.2025Description
Sets the power of a source by defining a ratio and using its index.
Returns 1 if the call has succeeded, 0 otherwise.
Syntax
object.SetSourceRatioById(int uiIDSource, double dRatio) As Int
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object: Virtual Reality Lab object
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uiIDSource: index of the source on the Virtual Lighting Controller starting from 0
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dRatio: ratio defining the power of the source (%)
Example
Sub SetSourceRatioById()
'Error Management
Dim Error As Integer
'Declare VRLab
Dim VirtualRealityLab As Object
Set VirtualRealityLab = CreateObject("HDRIViewer.Application")
'Show VRLab
Error = VirtualRealityLab.Show(True)
'Open File
Error = VirtualRealityLab.OpenFile("U:\AMT\API VRLab\InteriorCar.speos360")
'Set Luminance Max
Error = VirtualRealityLab.SetLuminanceMax(100)
MsgBox ("Before Source Ratio Set")
'Set the Power of the first Source to half its initial power
Error = VirtualRealityLab.SetSourceRatioById(0, 50)
MsgBox ("After Source Ratio Set")
End Sub