ADLINK Technology HDV62, User Manual

Page: 56 / 164

Function Library 45
4.4.6 Height
Purpose
These functions set or get active height of image. They can be
used to reduce vertical scan lines.
Prototype

C/C++
int Hdv62_SetHeight (UINT Number, UINT Height)
int Hdv62_GetHeight (UINT Number, UINT& Height)
 C#
int SetHeight (uint Number, uint Height)
int GetHeight (uint Number, out uint Height)
 VB.Net
SetHeight (ByVal Number as UInteger, ByVal Height as
UInteger) As Integer
GetHeight (ByVal Number as UInteger, ByRef Height as
UInteger) As Integer
Parameters
 Number
The number of device. The allowed value is from 0 to 15.
 Height
The active height of image as illustrated in Figure 4-1. The
height coupled with YOffset is the cropping parameters. The
device crops sensor image if the height is less than Sensor-
Height which is obtaineed from section 4.4.4. The following
criteria must be met:
 Height <= SensorHeight
 YOffset <= SensorHeight
 Height is an even number.
 YOffset is an even number if sensor source is interlaced.
Return Value
No error occurs if return value >= 0; if negative value, please refer
to Section 4.9 for error information about return codes.