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Aspose.3D for .NET 21.7 Release Notes

Improvements and Changes

THREEDNET-870Support for export to USDZ format.New Feature
THREEDNET-901Allow user to specify a factory class for FileSystem to improve security levelNew feature
THREEDNET-902Add GeomSubset in USDC exporter to support multiple materialsImprovement
THREEDNET-903GLTF Save support material namesImprovement
THREEDNET-905USD files containing skeleton are not supported.Bug fix
THREEDNET-904USD files containing normals as primvars are not supported.Bug fix
THREEDNET-909USD to GLTF used over 9G memory.Bug fix

API changes

Added USDZ as export type

From 21.7 you can export scene into USDZ by:

    Scene scene = new Scene();
    //...prepare your scene
    scene.Save("test.usdz", FileFormat.USDZ);

Added class Aspose.ThreeD.Formats.FileSystemFactory

    /// <summary>
    /// <see cref="SaveOptions"/> and <see cref="LoadOptions"/> will create a <see cref="LocalFileSystem"/> for default.
    /// This can be a security issue in server environment.
    /// Use your own <see cref="FileSystemFactory"/> to <see cref="IOConfig.FileSystemFactory"/> to improve server side security.
    /// </summary>
    /// <returns></returns>
    public delegate FileSystem FileSystemFactory();

Added new property FileSystemFactory to Aspose.ThreeD.Formats.IOConfig:

        /// <summary>
        /// Gets or sets the factory class for FileSystem.
        /// The default factory will create <see cref="LocalFileSystem"/> which is not suitable for server environment.
        /// </summary>
        public static FileSystemFactory FileSystemFactory { get; set; }

It could be dangerous if the user made a malicious 3D file and uploaded the content to your server, the new FileSystemFactory allows you to specify your own implementation of FileSystem to replace the original LocalFileSystem which may read your sensitive data during exporting a 3D file.

Added new property to Aspose.ThreeD.FileFormat:

        /// <summary>
        /// Gets whether Aspose.3D supports export scene to current file format.
        /// </summary>
        public bool CanExport { get; set; }
        /// <summary>
        /// Gets whether Aspose.3D supports import scene from current file format.
        /// </summary>
        public bool CanImport { get; set; }

You can test if a file format supports import or export through these properties.