Try use Onvif or visca protocol，with some python code

You can get onvif python example from here github.com/quatanium/python-onvif。in touch designer，use python import it as module，then you can control ptz camera

@@LingSai hey I follow your way, and then I got this ImportError: cannot import name 'etree' from 'lxml' I've check on my cmd with python > "from lxml import etree" and it looks fine no errror on the promter but it always get error in TD, and then TD also have error cannotfound module "onvif" , do you also encounter this problem? I'm using python 3.9.9 btw

@@Lorth-zr1yt here is the project file, it will not work directly, but you can look how to import the pythin module. www.transfernow.net/dl/20211222QdynTAOQ

@@LingSai ohh thanks a lot ! you r legend, this really helping me a lot thank u!

@@LingSai Hi! Could you please provide the project file again.?! I also would like to know which camera model you use.