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OBJ export/import settings?

liugiaducaleliugiaducale Posts: 10
in Blender Discussion

This is probably really simple, but I can't seem to find a quick, straightforward answer to my issue. 
So, I'm trying to import some clothing from a game character into daz, I've already edited them to fit around the figure I need it for - but whenever I export it from blender as an OBJ and then import it into daz, the item is at a different angle/position than where it was in blender (usually laying horizontal, turned 180 degrees and also mirrored). It hasn't been an issue when I needed to simply import item files for a quick prop as I could just move them where I needed, but even with moving the item in its rightful position on the model when operating transfer utility it gets reversed to its original position and it messes with the rigging. So, what are the blender export/daz import settings supposed to look like for it to port in the right place?

Comments

  • felisfelis Posts: 4,295

    When you import something to Daz Studio for use of transfer rigging, it must default be in the right position, orientation and scale.

    And there is a difference between blender and daz studio.

    Blender has units in meter an DS has it in cm.

    In blender Z is up, in DS Z is depth.

    It doesn't matter if you change the orientation when exporting from blender or when importing to DS, as long as it load correctly in DS.

    I use DS orientation (forward -Z, up Y) and blender scale for my obj files.

  • Richard HaseltineRichard Haseltine Posts: 100,662

    Find a combo that works and then use the Save Preset button - you can then use the saem options, correctly inverted, for Import/Export/Morph Loader just by selecting the preset.

  • PadonePadone Posts: 3,684
    edited March 2023

    The blender export settings below work fine to import in daz studio a 100% scale with default axes. That means blender does the conversion and daz studio does nothing. The absolute path means you can share textures and move the object around in a project folder, that's what you usually do when working with a asset library.

    To export materials you have to use the principled node in blender. The conversion is limited to basic attributes as diffuse and specularity.

    Be sure that everything you export is uv mapped because daz studio can't import geometry without a uv map.

    export-obj.jpg
    231 x 370 - 27K
    Post edited by Padone on
  • stem_athomestem_athome Posts: 518

    Padone said:

    Be sure that everything you export is uv mapped because daz studio can't import geometry without a uv map.

    Is the version of DS you are using broken? I have never had an issue importing geometry without UV.

    If needed you can apply UV projection via "Shader mixer -> Coordinate Projection" and project texture map onto object using world/object space

  • PadonePadone Posts: 3,684

    You are right, with 4.21 I can import objects without uv map. I remembered this limitation from old versions and didn't check.

  • Richard HaseltineRichard Haseltine Posts: 100,662

    Padone said:

    You are right, with 4.21 I can import objects without uv map. I remembered this limitation from old versions and didn't check.

    It has always (or at least long) been possible to import an unmapped object - hence the need to ask if the item is mapped when people cannot apply maps.

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