Launch those commands without options to get an help page.Īcf_mesh_extract extracts all the meshes from the ACF file and converts them in a single (wavefront) OBJ file with multiple objects. Loading the resulting ACF file in PlaneMaker we see that the cross-sections have changed from this: (the wireframe in black, the unselected one, is the OBJ8 mesh for this plane the selected object is the fuselage mesh from the ACF file)Īfter a quick reshaping, I've managed to make che ACF mesh match the shape of the OBJ8 then and I've reimported it back in the ACF file: I've found that the hidden fuselage doesn't match the shape of the plane model, the visual one, as we can see in Plane Maker and in the version imported in Blender: This is a quick reshaping that I've done on the fuselage of B-377 Stratoscruser made by Kauffmann. I'm using Blender, but this method can be used with any 3D software. Except moving the points to alter the shape, no additional task has been done in Blender. Then the edited mesh is converted back in ACF format, using 'acf_mesh_insert', and the resulting ACF file can be loaded in Plane Maker:Įverything shown here was entirely done automatically with a conversion script. Once converted, the mesh can be modified: Using the tool 'acf_mesh_extract', the meshes inside the ACF are saved in a standard Wavefront OBJ file, that can be edited with Blender or with any other software that supports the format. Now, in most cases, this meshes are hidded from view and X-Planes uses a dedicated file, in OBJ8 proprietary format, for the visual rendering. Those meshes, made out of cross-sections, are the ones that PlaneMaker uses as model for the plane and X-Plane uses for its physics calculations.īefore v.8 that meshes were used as visual and physics model. and those cross-sections creates a mesh: We know that in Plane Maker the fuselage is made out of cross-sections: Let's take as example the default Laminar's Cessna 172, a great model very well done (aestetically and internally). ACF Mesh Tools allows you to edit and modify the plane's meshes from the ACF file.īe aware: those tools are not made to edit the OBJ8 files as they work only with the ACF file format.
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