Name of program: VelMap

Type of program (eg quake model, mesh generator, strain calculator, visualizer, etc): visualizer of displacement and velocity of crust

Author: Seiichi SHIMADA SHIMADA Seiichi

Institution: Nat. Res. Inst. for Earth Sc. Disaster Prevention (NIED)

Program's heritage (ie name and author of predecessor code if any):

Actively being further developed (y/n): y

Language: C

2d (y/n):

3d (y/n):

Elastic full space (y/n): n

Elastic half space (y/n): y

Layered elastic (y/n): n

Viscoelastic half space (y/n): n

Layered viscoelastic (y/n): n

Maximum number of faults:

Forward model (y/n): n

Inversion capability (y/n): n

Type of inversion:

Finite element ability (y/n): n

Boundary constraints:

Automatic mesh generation:

Includes self gravitation (y/n): n

Quasi-static failure criteria (y/n): n

User defined failure criteria (y/n): n

Hardwired failure criteria (eg Coulomb):

Dynamic solution (y/n): n

Includes waves (y/n):

Highest resolved frequency:

Includes inertia (y/n):

Are there accompanying utilities (y/n): y

Is it one main program or several programs that communicate via scripts, files, and pipes? two programs via files

If it is several programs, please give a 1 line description of the major players.

Input format description: GLOBK prn file

Output format description: PICT format

Is this code available to interested researchers (y/n): y

Executable available (y/n): y

Type of machine: Macintosh 68K

Source available (y/n): y

Please describe what you consider to be the important features of this code in a paragraph or two.

Visualize velocity or displacement field in the PICT format

References describing the algorithms or results from use:

Shimada, S.: Crustal movements observed by GPS fixed-point network in Kanto-Tokai District, Central Japan, "Gravity, geoid and Marine Geodesy", edit. J. Segawa et al., Springer, Berlin, 265-272, 1997.