New OBJ importer produces too many vertices when object faces don't span a continuous range #100302
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Reference: blender/blender#100302
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3070 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 512.33
Blender Version
Broken: version: 3.3.0 Beta, branch: master, commit date: 2022-08-06 22:01, hash:
800c7dbf41Model export comes from mineways exporting obj composed of multiple objects, using the latest obj import method to appear redundant coincident vertices
Steps to Reproduce
(or compare verts count of object imported by old and new method)
obj bug.blend
objmodel.zip
obj bug.blend
Added subscriber: @shadow_creeper
Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @aras_p
Added subscriber: @PratikPB2123
Importing obj appears a large number of excess verticesto New OBJ importer produces too many vertices when object faces don't span a continuous rangeThe issue seems to be that the range of vertices to use for each imported model only tracks "min & max" vertex indices, and uses all the vertices in that range. The model in repro uses non-contiguous vertex ranges for the faces. It should track all the vertices actually used, and use those.
Here for example, all the "loose" vertices of that object should not be used:
This issue was referenced by
d76583cb4aChanged status from 'Confirmed' to: 'Resolved'