Basler Camera Manual do Utilizador descarregar pdf (Página 215)

AW00098504000 Features

Basler ace Camera Link 205

10.9.6 Auto Function Profile

If you want to use the gain auto function and the exposure auto function at the same time, the auto

function profile feature also takes effect. The auto function profile specifies whether the gain or the

exposure time will be kept as low as possible when the camera is making automatic adjustments to

achieve a target average gray value for the pixel data from the Auto Function AOI that was related

to the gain auto and the exposure auto function. By default, the auto function profile feature

minimizes gain.

If you want to use the gain auto and the exposure auto functions at the same time, you should set

both functions for the continuous mode of operation.

Setting the Auto Function Profile Using Basler pylon

Setting the camera with Basler pylon to use the gain auto function and the exposure auto function

at the same time is a several step process:

 Set the value of the Auto Function Profile parameter to specify whether gain or exposure time

will be minimized during automatic adjustments.

 Set the value of the Gain Auto parameter to the "continuous" mode of operation.

 Set the value of the Exposure Auto parameter to the "continuous" mode of operation.

You can set the auto function profile from within your application software by using the pylon API.

The following code snippet illustrates using the API to set the auto function profile. As an example,

Gain Auto is set to be minimized during adjustments:

// Use GainAuto and ExposureAuto simultaneously

Camera.AutoFunctionProfile.SetValue( AutoFunctionProfile_GainMinimum );

Camera.GainAuto.SetValue( GainAuto_Continuous );

Camera.ExposureAuto.SetValue( ExposureAuto_Continuous );

You can also use the Basler pylon Viewer application to easily set the parameters.

For more information about the pylon API and the pylon Viewer, see Section 3.1 on page 19.

Setting the Auto Function Profile Using Direct Register Access

Setting the camera to use the gain auto function and the exposure auto function at the same time

via direct register access is a several step process:

 Set the value of the Auto Function Profile register to specify whether gain or exposure time will

be minimized during automatic adjustments.

 Set the value of the Gain Auto register for the Continuous" mode of operation.

 Set the value of the Exposure Auto register for the Continuous mode of operation.

For more information about direct register access, see Section 3.2 on page 21.

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