Mesh Data Abstraction Library (MDAL) is a C++ library for handling unstructured mesh data released with MIT license. It provides a single data model for multiple supported data formats. MDAL is used by QGIS for data access for mesh layers.

See data model and API for more information.

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Supported Formats

You can use MDAL to load the following file formats:

  • NetCDF: Generic format for scientific data. Examples can be found here
  • GRIB: Format commonly used in meteorology. Examples can be found here
  • XMDF: As an example, hydraulic outputs from TUFLOW modelling package
  • DAT: Outputs of various hydrodynamic modelling packages (e.g. BASEMENT, HYDRO_AS-2D, TUFLOW)
  • 3Di: 3Di modelling package formate based on CF Conventions