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baking to another object - at least as demonstrated in this case - requires a solidify mod on the active?
Open, Confirmed, MediumPublic

Description

System Information
Operating system: Linux-4.13.10-041310-generic-x86_64-with-debian-stretch-sid 64 Bits
Graphics card: GeForce GTX 1050/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.67

Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-02 22:33, hash: rB50ccbe6bb233
Worked: (optional)

Short description of error
When trying to bake a normal mapped plane, or full geometry to another object, the bake will 'go through to the other side' unless a solidify mod is added to the active.

video demo

Exact steps for others to reproduce the error

  • open the blend above
  • notice the solidify mod on the object we want to bake to
  • bake either or both of the two smaller objects to the cube
    • it should work fine
  • turn off the solidify mod, and bake again
    • the results should appear on the opposite side

Details

Type
Bug

Event Timeline

MACHIN3 (MACHIN3) renamed this task from baking to another object - as demnstrated in this case - requires a solidify mod on the active? to baking to another object - at least as demonstrated in this case - requires a solidify mod on the active?.
Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.

It seems like the ray distance is not working.

@MACHIN3 (MACHIN3) can you test with 2.79? To determine if this was introduced in 2.80 or was ever there? (the best sample files in this case are the ones that were created in 2.79 in fact).

@Dalai Felinto (dfelinto)

Looks like there are similar, and more issues in 2.79:

  • the pyramid, only really bakes with solidify disabled, but it will go through in this case. Also it requires some amount of ray distance (vs 0 in 2.80)
  • the normal mapped plane doesn't bake at all, whatever I do.

This must have been why I've baked in Blender Internal in 2.79.

So, I'm glad that - with BI removed - the decal/planea ctually does bake now in cycles!