I still consider this a PEBCAK
Thanks for the screencast as it shows that you did not read easyw-fc's post nor did you watch his animated gif. Please do so. It doesn't help enlarging some text claiming it is a bug. It isn't.
To change the centre of rotation without applying a zoom fit, you need to do a middle button (mouse wheel) click on the part in the 3D view. This will centre the selected point in the 3D view; then rotation will be centred on it.
the OP didn't read what we replied ... and he made a wrong assumption since the beginning, instead of asking for help
and also @triplus already mentioned thateasyw-fc wrote: ↑Mon Mar 26, 2018 9:45 pmso you are saying 'Its making FC mediocre.' and you are using a very 'experimental' build, without even noticing that ....the_document wrote: ↑Mon Mar 26, 2018 9:06 pmUsing a FC git revision from here https://github.com/realthunder/FreeCAD_ ... 3/releases appimage I only found trackball and turntable both of which don't revolve object by their center and orbit when revolving.
This is worst than missing to read to docs
Moreover from your image I see you can change the Mouse Style from Blender to i.e. Gesture and test the rotation with Middle Mouse Button or key 'H'
about the wiki:triplus wrote: ↑Sun Mar 25, 2018 6:41 pmIt's not always easy to work with some new users. But i guess life isn't perfect.
Anyway i agree with @GeneFC and @easyw-fc. Your question and response was mediocre at best. But luckily FreeCAD isn't in the mentioned area. If you are using FreeCAD 0.17 hover over the navigation indicator in the status bar. Look for what it says you have to do to set the rotation focus.
I don't find any mention there either