You mention that you need to export registration and point cloud files to the same folder as your images. I usually have my drone images in a separate folder to handheld images following a component workflow in RC and then merge components. Is there a way to make this workable with your process? Thanks
when you say its trivial to have the same coordinate data for photogrammetry and g splats what do you mean? do you have the option to export either one once you import all your clips?
This is really good stuff. I've been trying to get a decent point cloud built in Reality capture but it always creates so many different components. Do the components have to be merged together before the PLY file is exported from Reality Capture or how is it done? I tried to look at the settings in your video and it looked like you had many separate components too.
Correct, everything needs to be merged into a single component for things to be aligned properly. In terms of your work (combining multiple cameras or views from a 360 camera), there are some tricks to making sure everything aligns like, making sure all cameras "see" the same feature at the start/end of a loop. You could even print out AprilTags that will ensure RC will recognize them as shared features across the cameras: wizardofaz.medium.com/how-to-use-my-3d-printable-apriltag-scale-markers-for-realitycapture-6e3244da050e I have a few more tricks listed out here: wizardofaz.medium.com/reality-capture-alignment-tips-fixes-d49371ee6643
At 7:01 you say "If you want to use the mesh from photogrammetry but the visuals of gaussian splatting, importing them and having them be aligned at the right scale is trivial because they're based on the same alignment data, so that to me is a massive benefit." Sorry if this is a dumb question, but are you just talking about how RC is useful for alignment, or can you actually combine the mesh from RC and the splat from Postshot in some other way? Is there a way to combine them beyond alignment data?
Why will you go on RC first if you can train the photos directly on PostShot? Can you help me understand, on RC you will need to create the model, texture, unwrap, and export, it's a large workflow just to get a 3DGS.
No, you don't need to create the model, unwrap, texture, etc. You just need to align and export. The reason you'd do that is because RC's alignment is much faster than PostShot's COLMAP. Watch the intro again.
@@AzadBalabanian I tried your process on Postshot just with Alignment and the photos, after a while on Postshot I received the message "Reach the maximum 32k' but the Gaussian result is ugly. I think the process isn't finish. I have a 4090 don't think the error is about Vram
@@markinmkn I imagine it's due to the accuracy of the alignment isn't very high? Try using the default "compute from images" setting in PostShot instead of importing RC alignment
thanks for the video, got my little scene to unreal too after this workflow. Any tips on model or settings for export/import, to have scene appear normal in VR? I imported to ue5 vr template but in vr-review, the splatting model seems to be non-stereo, something is off.. feels bad when looking with both eyes.
Great tutorial, like always! Did not used PostShot a couple weeks, I see they added new option " Splat MCMC" - does it work better compare to just "Splat" ? Thank you
Depends on the data. However, I agree that Metashape can have a more robust alignment than RC's sometimes. There is also a PostShot workflow for Metashape as well. But RC is my preferred software and is now free to use
your video is great and exactly what I've been looking for. but I ran into a problem when trying to flatten the bottom part of the bubble. I can only move the selected very bottom part of the bubble. I pressed the G button on the keyboard and moved it around the same as you. but then I am stuck, I'm not quite sure what you mean by the scroll button. I've tried the mouse scroll in the centre of the mouse and the scroll lock button on the keyboard and : none of this works or anything else that I've tried. any help any one would be much appreciated thank you.
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Polycam, was never really great or worth paying the extra to be able to export to other applications because the resolution of the exports don't match the original raw data, so it looks rubbish. I did try and email to look for answers but no help. Then paid to renew my subscription because I had scans I needed to use but the subscription didn't register and no help from Polycam! You can always gauge a good company by their customer service....... not good
Merci beaucoup, cher Azad ! Quelle émotion de découvrir la maison de mes ancêtres Nazaretian à travers votre visite guidée et votre modélisation 3D ! Je suis un descendant de la cinquième génération de Nazar Agha Nazaretian (Kara Nazar) à travers son plus jeune fils Garabed Agha Nazaretian, et la fille de celui-ci, Agnès Nazaretian. Une grande émotion !
