imgGetCameraAttributeNumeric
Usage
rval imgGetCameraAttributeNumeric (SESSION_ID sid, const char* attributeString, double* currentValue);
Purpose
Gets the value of numeric camera attributes. Camera attributes vary according to which camera you are using. Refer to Measurement & Automation Explorer (MAX) for information about valid camera attributes for your camera and image acquisition device.
Parameters
| Name | Type | Direction |
| sid | SESSION_ID | input |
| attributeString | const char* | input |
| currentValue | double* | output |
| rval | Int32 | output |
Parameter Discussion
sid: valid SESSION_ID.
attributeString: attribute name as described in the Camera Attributes tab in MAX.
currentValue: pointer to a variable to receive the attribute. Upon success, the function populates the variable with the current value of the attribute.
Return Value
This function returns 0 on success. On failure, this function returns an error code. For more information about the error code, call imgShowError.