ISG -- International Service for the Geoid
Added in version 3.1.
Driver short name
ISG
Driver built-in by default
This driver is built-in by default
Supports reading grids in the International Service for the Geoid text format, used for number of geoid models at http://www.isgeoid.polimi.it/Geoid/reg_list.html
Format specification is at https://www.isgeoid.polimi.it/Geoid/format_specs.html
NOTE: Implemented as aaigriddataset.cpp.
Driver capabilities
Supports Georeferencing
This driver supports georeferencing
Note
WGS84 will always be arbitrarily reported as the interpolation CRS of the grid. Consult grid documentation for exact CRS to apply.
Supports VirtualIO
This driver supports virtual I/O operations (/vsimem/, etc.)