Exports the texture data to an image file at the specified URL.
- iOS 9.0+
- macOS 10.11+
- tvOS 9.0+
- Model I/O
The file URL at which to write the texture image.
YES if export succeeded;
Model I/O automatically infers the file format in which to export the image from the filename extension of the
url parameter. This method can export textures in JPEG, TIFF, PNG, or (in macOS only) OpenEXR format.