MclassSetHookInfo

Board	Supported
Host System	Yes
V4L2	Yes
Clarity UHD	Yes
Concord PoE	No
GenTL	Yes
GevIQ	Yes
GigE Vision	Yes
Indio	No
Iris GTX	Yes
Radient eV-CL	Yes
Rapixo CL	Yes
Rapixo CoF	Yes
Rapixo CXP	Yes
USB3 Vision	Yes

Set information about a classification object event.

Syntax

void MclassSetHookInfo(
    AIL_ID     EventId,   //in
    AIL_INT64  InfoType,  //in
    AIL_DOUBLE InfoValue  //in
)

Description

This function allows you to set information about the event that caused the hook-handler function to be called. MclassSetHookInfo must only be called within the scope of a classification object hook-handler function (see MclassHookFunction).

Parameters

EventId (in, AIL_ID)

Specifies the classification object event identifier received by the hook-handler function. See MclassHookFunction for more information. The event will be of the type passed to the HookType parameter of the hook-handler function.

InfoType (in, AIL_INT64)

Specifies the type of information to set.

InfoValue (in, AIL_DOUBLE)

Specifies the required value for the type of information to set.

Parameter Associations

For a data preparation context using PREPARE_ENTRY_PRE

To set information about the event that caused the hook-handler function to be called, the InfoType and corresponding InfoValue parameter settings can be set to one of the following values. These settings are only available if the hook-handler function was called due to an M_PREPARE_ENTRY_PRE event type on a data preparation context object.

---

M_CENTER_X

Sets the X-coordinate of the center position in the given image.

Value	Description
Value >= 0	Specifies the center's X-coordinate.

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M_CENTER_Y

Sets the Y-coordinate of the center position in the given image.

Value	Description
Value >= 0	Specifies the center's Y-coordinate.