Quantum Data 802BT User Manual page 365

GPEL?
Class
Description
Query syntax
Query response
Possible errors
Example
Related commands
Video Test Generator User Guide
Get PixEL color components
Signal analyzer - Pixel data
Takes the (x, y) coordinates address of a pixel and returns the red, green, and blue color
components of the pixel at that address.
GPEL? x y
R, G, B
Should this info be integrated into the Query response area, instead of creating a new
label?The GPEL? query may respond back with one of the following errors in case of a
parameter is not set correctly (or in case the setup is not correct).
PNSeedExceedsLimit
PNLengthExceedsLimit
PNNotSupported
NoInputSupported
XcoordOutOfRange
YcoordOutOfRange
PDSX 128 //sets patch starting at x-pixel 128
PDSY 256 //sets patch starting at y-pixel 256
PDSH 64 //sets patch height at 64 pixels
PDSW 96 //sets patch width at 90 pixels
PDAU //captures patch of image
GPEL? 128 256 //read RGB color components at pixel address 128,256
0,255,0
PDAU
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