Noise Model Grid Format
File type: GIS, GPS navigation and map file
A file with the .nmgf file extension contains data in Noise Model Grid Format. It is a geographic data file for acoustic noise modelling.
The file stores acoustic noise data together with geographic information.
File type category:
GIS, GPS navigation and map file
Date updated: October 2, 2026
Noise Model Grid Format is a specialized data format for representing modeled acoustic noise over a geographic area. An NMGF file combines noise-related values with the geographic data needed to position those values in a grid.
The format is intended for noise modelling and mapping workflows.
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