Is there a way to control efficiently which control point I am placing with the lmb?
Right now I feel like I have to select the one I want in either 1D, 2D or 3D ech time anew.
Only if I don’t click anywhere else I am able to place the same point repeatedly
It would feel more natural to me if I could select one point (e.g. the list) and then it would be locked until I deselect it or select another one. Then it would not happen that the next free control point is created when I try to reposition an existing one an miss it by half a pixle - which happens to me quite frequently… :oops:
use F3 and select particular CP
look again on the video that im have posted, first just look how im work second look for details…
then can get under 0,5 pix precision. for you should the pix position be the key.
The pix error is informative and when realign after adding CPs its mostly with better results…
Hi Wishgranter,
just tried it.
Am I right that F3 toggles control-point lock on and off?
Or is it just the same as the button in the alignment ribbon?
Then it won’t change the behavior?
As I am trying to explain in other posts, due to the different nature of my project I have to work my way through the different cameras for each CP respectifely because they are not very distinct and so I am not able to memorize them as easily as in your example.
This results in a high number of clicks plus errors and so I was wondering if there is a way to do it a bit more effitiently (for my specific case).
Then try think about your workflow efficiency 
Have one image with the CPs already placed same way as have in the tutorial
and open in second 2D window the next image where need to place the CPs.
So can see approx where the points are already placed… so its easier to orient in it
Am I right that F3 toggles control-point lock on and off? = yes
Or is it just the same as the button in the alignment ribbon?
its a shortcut to the tool = F3
Hi Götz,
this is one way how to place CPs. Open more 2D view, place CP, navigating between images using arrows. When clicking point in the same way where I’ve already placed the CP, it will start a new CP.