GxImage: VRes |
Vertical resolution.
VRes As Long
On a free air camera system such as number plate or face capturing
this value is related to a PAL or NTSC image in percentage.
e.g. (in case of PAL image 576 pixel = 100 %, 288 pixel = 50 %)
e.g. (in case of NTSC image 480 pixel = 100 %, 240 pixel = 50 %)
On a fixed object windowed camera system like document capturing
this value is definied in pixel-per-meter
e.g. 300 DPI = 11811 pix/m
(0 value = not defined)
This is an image property.
Class GxImage Overview GxImage Properties GxImage Methods VMirrorImage VZoomPos