NI 5431 Composite Video Generator
VDG_GetSignalLine
This advanced VI calculates the data of the selected video component for the specified video line. The output data are single-precision (SGL) values and the scaling is in IRE format.
 |
Note This VI can not be used directly with the NI 5431. Use this VI only if the 16-bit resolution offered by VDG_Get_I16_Line is not sufficient. |
 |
Line number specifies the number for the video line to be calculated. | ||||||||||||||||
 |
Signal type specifies the video component to be calculated. Use the up and down arrows on the Signal type control to select one of the video components listed below:
|
||||||||||||||||
 |
error in is a cluster that describes the error status before this VI executes. If error in indicates that an error occurred before this VI was called, this VI may choose not to execute its function, but just pass the error through to its error out cluster. If no error has occurred, then this VI executes normally and sets its own corresponding error message. Using error in and error out clusters is a convenient way to check errors and to specify execution order by wiring the error output from one subVI to the error input of the next. | ||||||||||||||||
 |
Output signal returns the calculated component single precision data for the specified line. | ||||||||||||||||
 |
error out is a cluster that describes the error status after this VI executes. If an error occurred before this VI was called, error out is the same as error in. Otherwise, error out shows the error, if any, that occurred in this VI. Use the error handler VIs to look up the error code and to display the corresponding error message. Using error in and error out clusters is a convenient way to check errors and to specify execution order by wiring the error output from one subVI to the error input of the next. |