Vslam plugin does not work with the Z1. Will that change? Alternatives?

From Z1 in real-time

As the open vslam project was archived, you may want to look at stella_vslam

I tried Meshroom

https://medium.com/theta360-guide/photogrammetry-with-ricoh-theta-and-360-images-c737a2d55ba1

I think you will have better results with Pix4Dmapper or Agisoft PhotoScan

It seems like the RICOH THETA is in the camera database for Pix4D

This paper is interesting.

https://www.researchgate.net/publication/325471245_CAN_WE_USE_LOW-COST_360_DEGREE_CAMERAS_TO_CREATE_ACCURATE_3D_MODELS