I get the following error when I enable “Surface Instancer” extension in USD Composer.
2024-01-09 15:08:45 [Warning] [carb] Client omni.ui has acquired [omni::ui::IGlyphManager v1.0] 100 times. Consider accessing this interface with carb::getCachedInterface() (Performance warning)
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] Failed to import python module omni.kit.tools.surface_instancer. Error: DLL load failed while importing lapack_lite: The specified module could not be found… Traceback:
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] Traceback (most recent call last):
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:\nvidia/ov/pkg/create-2023.2.2/kit/kernel/py\omni\ext_impl\custom_importer.py”, line 76, in import_module
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] return importlib.import_module(name)
2024-01-09 15:09:21 [Error] [omni.ext.impl.custom_importer] File "d:\nvidia\ov\pkg\create-2023.2.2\kit\python\lib\importlib_init.py", line 126, in import_module
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] return _bootstrap._gcd_import(name[level:], package, level)
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 1050, in _gcd_import
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 1027, in _find_and_load
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 1006, in _find_and_load_unlocked
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 688, in _load_unlocked
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 883, in exec_module
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “”, line 241, in _call_with_frames_removed
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/omni/kit/tools/surface_instancer/init.py”, line 1, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from .surface_instancer import *
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/omni/kit/tools/surface_instancer/surface_instancer.py”, line 4, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] import omni.kit.tools.surface_instancer.SurfaceInstancerCommand
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/omni/kit/tools/surface_instancer/SurfaceInstancerCommand.py”, line 6, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from omni.kit.tools.surface_instancer.mesh_tools import create_point_instancers_from_prims
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/omni/kit/tools/surface_instancer/mesh_tools.py”, line 6, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] import scipy.interpolate
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/interpolate/init.py”, line 167, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from ._interpolate import *
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/interpolate/_interpolate.py”, line 12, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from . import _fitpack_py
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/interpolate/_fitpack_py.py”, line 10, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from ._bsplines import BSpline
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/interpolate/_bsplines.py”, line 8, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from scipy.optimize import minimize_scalar
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/optimize/init.py”, line 405, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from ._minimize import *
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/optimize/_minimize.py”, line 26, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from ._trustregion_constr import _minimize_trustregion_constr
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/optimize/_trustregion_constr/init.py”, line 4, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from .minimize_trustregion_constr import _minimize_trustregion_constr
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/optimize/_trustregion_constr/minimize_trustregion_constr.py”, line 5, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from …_constraints import (
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/scipy/optimize/_constraints.py”, line 8, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from numpy.testing import suppress_warnings
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/numpy/testing/init.py”, line 10, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] from ._private.utils import *
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] File “d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f/pip_prebundle/numpy/testing/_private/utils.py”, line 23, in
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] import numpy.linalg.lapack_lite
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer] ImportError: DLL load failed while importing lapack_lite: The specified module could not be found.
2024-01-09 15:09:21 [Error] [omni.ext._impl.custom_importer]
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] Exception: Extension python module: ‘omni.kit.tools.surface_instancer’ in ‘d:\nvidia\ov\pkg\create-2023.2.2\extscache\omni.kit.tools.surface_instancer-0.1.23+wx64.ub3f’ failed to load.
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin]
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] At:
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:\nvidia/ov/pkg/create-2023.2.2/kit/kernel/py\omni\ext_impl_internal.py(213): startup
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:\nvidia/ov/pkg/create-2023.2.2/kit/kernel/py\omni\ext_impl_internal.py(328): startup_extension
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] PythonExtension.cpp::startup()(2):
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.window.extensions-1.3.0+09b309e7/omni/kit/window/extensions/ext_commands.py(29): do
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.commands-1.4.6+09b309e7.wx64.r.cp310/omni/kit/undo/undo.py(80): execute
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.commands-1.4.6+09b309e7.wx64.r.cp310/omni/kit/commands/command.py(463): execute
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.window.extensions-1.3.0+09b309e7/omni/kit/window/extensions/common.py(288): toggle_extension
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin] d:/nvidia/ov/pkg/create-2023.2.2/extscache/omni.kit.window.extensions-1.3.0+09b309e7/omni/kit/window/extensions/ext_components.py(93): toggle
2024-01-09 15:09:21 [Error] [carb.scripting-python.plugin]
2024-01-09 15:09:21 [Error] [omni.ext.plugin] [ext: omni.kit.tools.surface_instancer-0.1.23] Failed to startup python extension.