Usage:
usd_from_gltf [--all_nodes] [--noall_nodes] [--scene ] [--anim
] [--root_scale ] [--limit_bounds ]
[--jpg_quality ] [--jpg_subsamp ]
[--png_level ] [--image_power_of_2]
[--noimage_power_of_2] [--image_scale ]
[--image_size_min ] [--image_size_max ]
[--image_limit_total ] [--image_limit_step ]
[--add_debug_bone_meshes] [--noadd_debug_bone_meshes]
[--bake_texture_color_scale_bias]
[--nobake_texture_color_scale_bias] [--bake_alpha_cutoff]
[--nobake_alpha_cutoff] [--bake_skin_normals]
[--nobake_skin_normals] [--black_occlusion_is_white]
[--noblack_occlusion_is_white] [--delete_unused]
[--nodelete_unused] [--delete_generated]
[--nodelete_generated] [--disable_multiple_uvsets]
[--nodisable_multiple_uvsets] [--emissive_is_linear]
[--noemissive_is_linear] [--emulate_double_sided]
[--noemulate_double_sided] [--emulate_specular_workflow]
[--noemulate_specular_workflow] [--fix_accidental_alpha]
[--nofix_accidental_alpha] [--fix_skinned_normals]
[--nofix_skinned_normals] [--merge_identical_materials]
[--nomerge_identical_materials] [--merge_skeletons]
[--nomerge_skeletons] [--normalize_normals]
[--nonormalize_normals] [--normalize_skin_scale]
[--nonormalize_skin_scale] [--prefer_jpeg]
[--noprefer_jpeg] [--print_timing] [--noprint_timing]
[--remove_invisible] [--noremove_invisible]
[--remove_node_prefix ] ...
[--reverse_culling_for_inverse_scale]
[--noreverse_culling_for_inverse_scale]
[--warn_ios_incompat] [--nowarn_ios_incompat]
[--nowarn_extension ] ... [--plugin_path
] [--nousage] [--] [--version] [-h] ...
Where:
--all_nodes
Export all nodes rather than a single scene.
--noall_nodes
Disable --all_nodes. [Default]
--scene
Override default scene specified by glTF. [default=-1]
--anim
Set the animation to export. [default=0]
--root_scale
Scale applied to the model root. [default=100.000000]
--limit_bounds
Adjust scale to limit bounding-box size. [default=0.000000]
--jpg_quality
JPG compression quality [1=worst, 100=best]. [default=85]
--jpg_subsamp
JPG chroma subsampling method [0=best, 2=worst]. [default=0]
--png_level
PNG compression level [0=fastest, 9=smallest]. [default=9]
--image_power_of_2
Force images to power-of-2 in size when resizing.
--noimage_power_of_2
Disable --image_power_of_2. [Default]
--image_scale
Global image resize scale. [default=1.000000]
--image_size_min
Minimum image size when resizing. [default=1]
--image_size_max
Maximum image size when resizing. [default=16384]
--image_limit_total
Limit the total size of all images after decompression.
[default=167772160]
--image_limit_step
Step used when limiting total image size. [default=0.500000]
--add_debug_bone_meshes
Add debug meshes to each transform node to visualize animation.
--noadd_debug_bone_meshes
Disable --add_debug_bone_meshes. [Default]
--bake_texture_color_scale_bias
Bake texture color scale and bias into the texture. [Default]
--nobake_texture_color_scale_bias
Disable --bake_texture_color_scale_bias.
--bake_alpha_cutoff
Bake alpha cutoff into textures. [Default]
--nobake_alpha_cutoff
Disable --bake_alpha_cutoff.
--bake_skin_normals
Bake skinned vertex normals to the first frame of animation. [Default]
--nobake_skin_normals
Disable --bake_skin_normals.
--black_occlusion_is_white
If the occlusion channel is pure black, replace it with pure white.
[Default]
--noblack_occlusion_is_white
Disable --black_occlusion_is_white.
--delete_unused
Delete unused intermediate output files. [Default]
--nodelete_unused
Disable --delete_unused.
--delete_generated
Delete all generated files except the output usda/usdz file.
--nodelete_generated
Disable --delete_generated. [Default]
--disable_multiple_uvsets
Replace textures referencing secondary UV sets with a solid color.
[Default]
--nodisable_multiple_uvsets
Disable --disable_multiple_uvsets.
--emissive_is_linear
Output emissive textures in linear space. [Default]
--noemissive_is_linear
Disable --emissive_is_linear.
--emulate_double_sided
Emulate double-sided geometry by duplicating single-sided geometry.
[Default]
--noemulate_double_sided
Disable --emulate_double_sided.
--emulate_specular_workflow
Convert diffuse+specular+glossiness to albedo+metallic+roughness.
[Default]
--noemulate_specular_workflow
Disable --emulate_specular_workflow.
--fix_accidental_alpha
Fix accidental alpha by ignoring edge pixels. [Default]
--nofix_accidental_alpha
Disable --fix_accidental_alpha.
--fix_skinned_normals
Work around iOS viewer not skinning normals. [Default]
--nofix_skinned_normals
Disable --fix_skinned_normals.
--merge_identical_materials
Merge materials with identical parameters, irrespective of name.
[Default]
--nomerge_identical_materials
Disable --merge_identical_materials.
--merge_skeletons
Merge multiple skeletons into one. [Default]
--nomerge_skeletons
Disable --merge_skeletons.
--normalize_normals
Normalize normal map vectors. [Default]
--nonormalize_normals
Disable --normalize_normals.
--normalize_skin_scale
Normalize the skin root joint scale to 1.0. [Default]
--nonormalize_skin_scale
Disable --normalize_skin_scale.
--prefer_jpeg
Prefer saving images as jpeg. [Default]
--noprefer_jpeg
Disable --prefer_jpeg.
--print_timing
Print conversion time stats.
--noprint_timing
Disable --print_timing. [Default]
--remove_invisible
Remove geometry that's invisible due to material state. [Default]
--noremove_invisible
Disable --remove_invisible.
--remove_node_prefix (accepted multiple times)
Remove nodes matching any of these prefixes (case insensitive).
--reverse_culling_for_inverse_scale
Reverse polygon winding during conversion for inverse scale. [Default]
--noreverse_culling_for_inverse_scale
Disable --reverse_culling_for_inverse_scale.
--warn_ios_incompat
Emit warnings for features that are incompatible with the iOS viewer.
[Default]
--nowarn_ios_incompat
Disable --warn_ios_incompat.
--nowarn_extension (accepted multiple times)
Disable warnings for unrecognized glTF extensions.
--plugin_path
Paths to USD plugins (may contain wildcards). [default=]
--nousage
Don't print usage on argument error.
--, --ignore_rest
Ignores the rest of the labeled arguments following this flag.
--version
Displays version information and exits.
-h, --help
Displays usage information and exits.
(accepted multiple times)
(required) Input glTF (.gltf) and output USD (.usd, .usdc, .usda,
.usdz, or .usd-) pairs.
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