I usually spike with small crosses of yellow or orange tape. Orange ping pong balls are also commonly used.
You can see some from one of my shoots on this page….
https://fantasticplastic.com/portfolio/news031.html
…scroll down to the behind-the-scenes shot at the very bottom.
Yes, place them on the studio wall… if you are working in a very flat 3D space and the back walls are appropriate places to composite your background to. You’d place your spikes on stands as you suggested if the tracking points need to be in some other place than against the wall, and you need to track a composited object more downstage out in the space somewhere.
T2
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Todd Terry
Creative Director
Fantastic Plastic Entertainment, Inc.
fantasticplastic.com
