The Analyzed Layout and Text Object (ALTO) file format is based on XML and was created to describe the layout and text from a book or newspaper. The contents is typically the result or an OCR operation.
The LEADTOOLS Document Writers toolkit generates these files. You cannot load them as a raster image. They are intended for use in archiving content from books or newspapers.
You can specify the options for generating this format using the DOCWRTALTOXMLOPTIONS structure.
LEADTOOLS supports writing/saving using LEADTOOLS Document Writers. For additional support details, refer to the following:
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries