Examples of this type of data include:

• a distribution of temperature, pressure or humidity across an area of land, such as in a weather map.
• a distribution of the electron density computed from X-ray crystallography data
• a distribution electrostatic potential computed from the Poisson-Boltzmann distribution
• a distribution of stress computed within a part under strain

GridZilla makes use of the VisAD library for its iso-surfacing visualization. In the future we hope to use the abilities of the library more fully.

Currently the readable grid file formats include:

• The AVS format. Usually ends with .fld. AVS is a general visualization program like Modelzilla, but harder to use and less general.
• The UHBD format. Usually ends with .uhbdgrd. UHBD is a program for computing electrostatic potential within molecules.
• The Delphi format. Usually ends with .phi. Delphi is another program for computing electrostatic potential.
• The .map format (ASSCI), a type of file output by a program that calculates an electron density from crystallographic data.

Visualizations:

• Iso Surface
• Planar Section (Color Map)
• General Section (Color Map)
• Point Cloud
• Iso Curve

Grid Formats:

• .fld (AVS)
• .uhbdgrd (UHBD)
• .phi (Delphi)
• .map (An x-ray data computer)