F_VN_OptimalDftSize
Computes the optimal image size for applying a dft (can lead to better performance).
Syntax
Definition:
FUNCTION F_VN_OptimalDftSize : HRESULT
VAR_INPUT
ipImage : ITcVnImage;
END_VAR
VAR_IN_OUT
nOptWidth : UDINT;
nOptHeight : UDINT;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
ipImage |
Source image for which to compute the optimal width and height | |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
nOptWidth |
UDINT |
Returns the optimal width of the image |
|
nOptHeight |
UDINT |
Returns the optimal height of the image |
Return valueRequired License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |