GM-SYS® is a program for calculating the gravity and magnetic response from a geologic model.
GM-SYS provides an easy-to-use interface for interactively creating and manipulating models to fit observed gravity and/or magnetic data. Rapid calculation of the gravity and magnetic response from 2-D or optional 2¾-D model speeds the interpretation process and allows you to quickly test alternative solutions. Calculated responses change instantaneously as you change the model. Models and data can
be imported from ASCII files, by hand, or extracted interactively from an OASIS montaj™ database.

Enhanced Forward Modeling capability is attained with the 2¾-D modeling option. This option allows blocks to be truncated in the ± Y direction and asymmetrically positioned about the line of the profile.

The GM-SYS Inversion/Optimization option permits inverse modeling of gravity and/or magnetic data to obtain the optimal fit of the geologic model to your data.

Calculate any or all of the six gradient tensor components of the gravity field and the vertical gradient of the total magnetic field.

The Seismic Bitmap option permits integration of seismic data or other
depth-scaled information (e.g. scanned cross-sections) into the odeling process.

Licensers of the Professional Edition can extend their modeling capability by up to 750 surfaces and 300 blocks with the Extended Model Size option.

Licensers of the Professional Edition can extend the number of gravity and magnetic points to 16,000.