Obj export - Losing the origin/hot pt

TangoAlpha

I'm trying to export a simple prop (a door) from C8.5 to use in Studio. The problem I have is that in Carrara, the hot point is at one edge of the door - at the hinge. But in the obj file, the hotpoint gets centred, so the door rotates around its mid point and not around the hinge.

(The issue happens even if I reimport the obj to C8.5, so it's an export problem rather than an import one). Short of adding an invisible counterweight to the door (!) any idea how to fix the export?

Ta :)

V3Digitimes

Fixing the export I could not say. I have the same issue when I export from blender.
You can solve this directly in DAZ Studio : select your door, activate the joint editor tool (ALT SHIFT J) and you have arrows allowing you to move the origin of the object in DAZ. Once done, save as figure/prop asset, and when reloading you should have your door with the origin on the right place.

Philemo_Carrara

Tim_A said:

I'm trying to export a simple prop (a door) from C8.5 to use in Studio. The problem I have is that in Carrara, the hot point is at one edge of the door - at the hinge. But in the obj file, the hotpoint gets centred, so the door rotates around its mid point and not around the hinge.

(The issue happens even if I reimport the obj to C8.5, so it's an export problem rather than an import one). Short of adding an invisible counterweight to the door (!) any idea how to fix the export?

Ta :)

Yes, it does that :-(.
If, instead of using hotspot, you translate the mesh in the vertex room so that the hinge is in 0 in X and Y axis, it is preserved in export/import if using the FBX format. Cannot try with studio right now, but it may work.

TangoAlpha

Kadix said:

Fixing the export I could not say. I have the same issue when I export from blender.
You can solve this directly in DAZ Studio : select your door, activate the joint editor tool (ALT SHIFT J) and you have arrows allowing you to move the origin of the object in DAZ. Once done, save as figure/prop asset, and when reloading you should have your door with the origin on the right place.

That does the trick - kinda like CapsLock in Carrara. Thanks :)

V3Digitimes

You're welcome. I'm glad I could help.

DUDU

Tim_A said:

I'm trying to export a simple prop (a door) from C8.5 to use in Studio. The problem I have is that in Carrara, the hot point is at one edge of the door - at the hinge. But in the obj file, the hotpoint gets centred, so the door rotates around its mid point and not around the hinge.

(The issue happens even if I reimport the obj to C8.5, so it's an export problem rather than an import one). Short of adding an invisible counterweight to the door (!) any idea how to fix the export?

Ta :)

A question (perhaps stupid), why do you want to work in DS if you own Carrara ?
DS could be a "plugin" for Carrara and not the reverse... ;-)

TangoAlpha

Because not everyone else is so enlightened... ;-)