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Convert off to obj files in batch using blender
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| # Slight modification of https://gist.github.com/AngryLoki/3800594 | |
| # Converts Object File Format (OFF) files to OBJ files in batch | |
| # Allows the usage of OFF files in Gazebo Ignition | |
| # blender --background --python3.7 off2obj.py -- input_dir output_dir i.e. blender --background --python off2obj.py -- off_meshes/ ./obj_meshes/ | |
| # Tested with Blender 2.82 and OFF Add-on https://github.com/3Descape/blender-off-addon/tree/patch-1 | |
| # Sizes all objects down to 10,10,10 | |
| import os | |
| import sys | |
| import glob | |
| import bpy | |
| import time | |
| scale = 0.01 | |
| if len(sys.argv) != 7: | |
| print("Must provide input and output path") | |
| else: | |
| for infile in glob.glob(os.path.join(sys.argv[5], '*.off')): | |
| override = bpy.context.copy() | |
| override['selected_objects'] = list(bpy.context.scene.objects) | |
| bpy.ops.object.delete(override) | |
| obj = bpy.ops.import_mesh.off(filepath=infile) | |
| bpy.ops.transform.resize(value=(scale,scale,scale)) | |
| bpy.context.view_layer.update() | |
| for ob in bpy.data.objects: | |
| x,y,z = ob.dimensions | |
| ob.scale = (10/x,10/y,10/z) | |
| bpy.context.view_layer.update() | |
| outfilename = os.path.splitext(os.path.split(infile)[1])[0] + ".dae" | |
| bpy.ops.wm.collada_export(filepath=os.path.join(sys.argv[6], outfilename)) | |
| time.sleep(0.1) |
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