Overview of TRIGRID

Programs in the irregular grid design package described in this manual are used to carry out five main functions:

• verification and adjustment of coastline and bathymetric data;
• preparation of an irregular triangular depth grid covering the domain to be modelled;
• production of a preliminary irregular triangular model grid with nodes suitably positioned for accurate and efficient numerical modelling;
• interactive checking and editing, including trimming and joining, of model grid;
• display and plotting of model output.

The package does not include programs for digitising charts or any modelling programs.