set matte, set channels, calculations,etc to treat & take in an account layer's own transforms.
Set Matte ignores if the layer had been transformed in some way when it is used as a track matte for ex, it treats its transformrs as well, but any matte options in any effect would ignore original transformations if there is any...
In an effort to improve communications between you and the After Effects team, we are moving this feedback forum to the After Effects page on the Adobe Support Community. As requested, bugs and feature requests will be able to live separately in that forum. If you have an item here that did not make the migration, please bring it over to our new home.
See you soon on the Adobe Support Forum!
John Hughes commented
Dropping this link here. This feature was requested by Sander Van Dijk nearly 4 years ago. I would vote on his original posting too so we can gain more traction. Realllyyyy hope they can add this feature someday.
Roei Tzoref commented
it does treat the layer transformations if the layer is continously rasterized or collapsed. see if this helps: https://vimeo.com/274047695