This is needed when OBJ is used for morph targets. Keep Vertex Order Maintain vertex order on export. Material Groups Create OBJ groups per material. This option is only included for applications which treat them differently. Note that as far as Blender is concerned there is no difference between OBJ Groups and Objects, Write out each Blender object as an OBJ object. NURBS Write out NURBS curves as OBJ NURBS rather than converting to geometry.
Note that this does a best guess since a face’s vertices can be in multiple vertex groups. Polygroups Write faces into OBJ groups based on the meshes vertex group. Some programs only have very basic OBJ support and only support triangles. Triangulate Write out quads as two triangles. Most importers that support OBJ will also read the MTL-file. Materials Write out the MTL-file along with the OBJ. UVs Write out the active UV layers coordinates from Blender. Own normals but to match Blender’s normal map textures you will need to write these too. Mostly this isn’t needed since most applications will calculate their Write out Blender’s face and vertex normals (depending on the faces smooth setting). Mostly there is no need for thisīut it’s enabled by default to ensure all geometry data is exported. Edges Export loose edges as two-sided faces. Mostly you will want this unless you are exporting a subdivision surface cage. Apply Modifiers Export mesh objects as seen in the 3D View with all modifiers applied.
Please be aware that this can take quite a long time. Animation Exports a numbered OBJ for each frame from the start to the end frame. Otherwise export all objects in the scene. Image Search This enables a recursive file search if an image file can’t be found.Įxport ¶ Selected Objects Only export the selected objects. Since many applications use a different axis for ‘Up’, there are axis conversion there settings,įorward and Up axis – By mapping these to different axis you can convert rotationsīetween applications default up and forward axis.īlender uses Y Forward, Z Up (since the front view looks along the +Y direction).įor example, its common for applications to use Y as the up axis, in that case -Z Forward, Y Up is needed. Clamp Size OBJ-files often vary greatly in scale, this setting clamps the imported file to a fixed size. The OBJ groups are not equivalent to Blender groups so both can optionally be used for splitting. Since they are just two levels of separation, It also looses any vertices thatĪre not connected to a face so this must be disabled if you want to keep the vertex order.Īs far as Blender is concerned OBJ Objects and Groups are no difference, Is needed when using OBJ-files as morph targets. When importing an OBJ its useful to split up the objects into Blender objects,
It also looses any vertices’s thatĪre not connected to a face so this must be disabled if you want to keep the vertex order. However, this splitting looses the vertex order which Split/Keep Vertex Order When importing an OBJ it’s useful to split up the objects into Blender objects, Lines Import OBJ lines and two-sided faces as mesh edges. Note that these will only be displayed when the Edge Split modifier is enabled. Import ¶ Smooth Groups Surround OBJ smooth groups by sharp edges.
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