it seems, that the picq command general starts from source x=0,y=0. The destination coordinates are ok.
Nextion Editor V0.36
I apologize that there has not been a response until now
The picq command requires that the picture identified in the parameter picid is a full screen image.
Not using a full screen image may have unexpected results. This is the default expected behaviour.
As several editions have since been released, this will now be marked as solved.