I’m having an issue with an .OBJ 3D mesh that imports into Leapfrog in a local coordinate system instead of UTM, which prevents it from lining up with my sample locations and other datasets.
The mesh looks fine visually, but when I bring the OBJ into Leapfrog the coordinates clearly aren’t UTM—everything comes in as a small local grid instead of real-world Eastings/Northings. I’m assuming the problem is either:
The OBJ was exported with no spatial reference, or
It has an embedded local/custom coordinate system that Leapfrog is honouring.
I need the mesh to be in my project’s UTM zone so it aligns properly with sample points, topography, and geology.
Before I start re-processing or re-exporting the mesh, does anyone have pointers or workflows to convert/assign the correct CRS for an OBJ so Leapfrog reads it properly?
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All of the outputs we provide are in WGS 84. The geoalignment information is embedded in the file. Any projections beyond that are up to you but I can say we have lots of users that use our outputs in local coordinate systems.
I’m having an issue with an .OBJ 3D mesh that imports into Leapfrog in a local coordinate system instead of UTM. Because of this, it won’t line up with my sample locations or any of my other spatial datasets. Thanks
The OBJ is a 3D file, not a spatial file. If you need a 3D spatial file you should be using the KMZ or the LAS file types.
