ICogAcqContrastMultiChannel.GetContrastMultiChannel Method

ICogAcqContrastMultiChannel GetContrastMultiChannel Method

Cognex VisionPro 9.8 SR1

Access the contrast level of a particular channel. Contrast values are in the range 0-1 inclusive.

Namespace: Cognex.VisionPro
Assembly: Cognex.VisionPro.Core (in Cognex.VisionPro.Core.dll) Version: 75.0.0.0

Syntax

double GetContrastMultiChannel(
	int index
)

double GetContrastMultiChannel(
	int index
)

Function GetContrastMultiChannel ( 
	index As Integer
) As Double

Function GetContrastMultiChannel ( 
	index As Integer
) As Double

double GetContrastMultiChannel(
	int index
)

double GetContrastMultiChannel(
	int index
)

Events

Event Type	Reason
ICogChangedEvent Changed	Fires when the contrast is changed. The following state flag may be affected: SfGetContrastMultiChannel

Event Type

Reason

Fires when the contrast is changed.

The following state flag may be affected:

Exceptions

Exception	Condition
ArgumentException	Value is < 0 or Value > 1.0.
ArgumentException	index is < 0 or index >= (number of camera channels).

Remarks

Sets or gets the contrast level of a particular channel..

You can use CogAcqContrast.Contrast to set the contrast of all channels to the same value.

Default Value: 0.5