Maps Data Formats
Grid point data and external topography format
These formats are tab delimited and contains X --> Y --> Z.

Note
Parameter Z may have depth, time, velocity domains. It depends in which folder it is loaded.
For more information about importing this format into g-Space refer to: Import topography, Import grids
CPS-3 grid data format
Here is the file example

For more information about importing this format into g-Space refer to Import grids
ZMap / ZMap+ grid format
A regular ASCII grid in the Petrel / IHS ZMap+ format (*.dat). Import and export are both supported.
For more information refer to Import grids and Export maps
IRAP classic grid format
The Roxar / RMS IRAP classic ASCII grid (*.irap / *.gri / *.txt), identified by a -996 magic number in the header. Import only.
For more information refer to Import grids
Note
3D reservoir grids (ECLIPSE / GRDECL) are described in Grid Data Formats, and 3D model / geobody formats in Model Data Formats.