Basler A400K Manual de usuario descargar pdf (Pagina 92)

Features AW00118501000

84 Basler racer Camera Link

For example, if you are working with a camera that has a sensor with 2048 pixels and if you have

selected the 1X4 Camera Link tap geometry:

Offset X + AOI Width

 2048

The AOI offset X can be set to 0, 8, 16, 24, etc.

The AOI width can be set to 8, 16, 24, 32, etc.

For more information about Camera Link tap geometries, see Section 7.2 on page 73.

Setting the Image AOI Using Basler pylon

You can set the Offset X and Width parameter values from within your application software by using

the Basler pylon API. The following code snippets illustrate using the API to get the maximum

allowed settings and the increments for the Width and Height parameters. They also illustrate

setting the Offset X and Width parameter values.

int64_t widthMax = Camera.Width.GetMax( );

int64_t widthInc = Camera.Width.GetInc();

int64_t offsetxMax = Camera.OffsetX.GetMax( );

int64_t offsetxInc = Camera.OffsetX.GetInc();

Camera.Width.SetValue( 24 );

Camera.OffsetX.SetValue( 16 );

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 15.

Camera Link Tap Geometry Offset X Increment Width Increment

1X2 8 8

1X4 8 8

1X8 8 8

1X10 8 40

Table 13: Camera Link Tap Geometry and Related Increments for AOI Offset X and Width

Your frame grabber may place additional restrictions on how the AOI position and

size must be set. Check the documentation included with your frame grabber to

determine its AOI requirements.

Normally, the X Offset and Width parameter settings refer to the physical line of

the sensor. But if binning is enabled, these parameters are set in terms of a

"virtual" line. For more information about using an image AOI with binning, see

Section 8.6 on page 89.

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Basler A400K Manual de usuario Pagina 92