操作3D场景的自定义属性
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添加、检索和删除3D对象的自定义属性
开发人员可以添加、检索和删除3D对象的自定义属性。remove_property，get_property，3D对象的set_property成员是一组短手方法来操纵对象的定制属性。这是设置，检索和删除自定义属性的代码示例:
Python
# initialize a scene
from aspose.threed import Scene
from aspose.threed.entities import Box
from aspose.threed.formats import GLTFSaveOptions, FileFormat
scene = Scene()
# create a Box instance
box = scene.root_node.create_child_node("box", Box())
# add custom property
box.set_property("property-name", "property-value");
box.set_property("property-name2", "property-value2");
# get a custom property by name
property = box.get_property("property-name");
# remove the custom property by name or property instance
box.remove_property("property-name");
box.remove_property(property);
# save 3D scene
opt = GLTFSaveOptions(FileFormat.GLTF2)
opt.save_extras = True
scene.save("test-2.gltf", opt)
为了将自定义属性保存到GLTF模型中，您需要将
save_extras设置为True。save_extras属性的默认值为False。