Aperture

Stg_GetAperturePosition, Stg_GetApertureStepPosition, Stg_GetApertureSteps, Stg_IsAperturePresent, Stg_SetAperturePosition

Stg_GetAperturePosition

Description 

 Stg_GetAperturePosition(
   int  ApertureType
);

This function returns the current aperture size (double).

Parameters

int ApertureType

The aperture to be adjusted.

0

DIA Field

1

EPI Field

2

DIA Aperture

3

EPI Aperture

Stg_GetApertureStepPosition

Description 

 Stg_GetApertureStepPosition(
   int  ApertureType,
   int  ApertureStep
);

This function returns the actual aperture size of the given step.

Parameters

int ApertureType

The aperture to be adjusted.

0

DIA Field

1

EPI Field

2

DIA Aperture

3

EPI Aperture

int ApertureStep

The number of the step for which the aperture size will be traced.

Stg_GetApertureSteps

Description 

 Stg_GetApertureSteps(
   int  ApertureType
);

This function returns a number of available aperture steps.

Parameters

int ApertureType

The aperture to be adjusted.

0

DIA Field

1

EPI Field

2

DIA Aperture

3

EPI Aperture

Stg_IsAperturePresent

Description 

 Stg_IsAperturePresent(
   int  ApertureType
);

Checks if a logical device of Aperture type exist and is currently connected.

Parameters

int ApertureType

The aperture to be adjusted.

0

DIA Field

1

EPI Field

2

DIA Aperture

3

EPI Aperture

Return Values

TRUE (1) if present, FALSE (0) if not.

Stg_SetAperturePosition

Description 

 Stg_SetAperturePosition(
   int  ApertureType,
   double  Aperture
);

This function changes the size of an aperture.

Parameters

int ApertureType

The aperture to be adjusted.

0

DIA Field

1

EPI Field

2

DIA Aperture

3

EPI Aperture

double Aperture

The desired aperture size value. The value must be available within the range of the aperture values.