Data object types

A dataset loaded into OVITO from a simulation file may consist of several individual data objects, which represent different facets of the information, e.g. the simulation cell geometry, the atomic coordinates, the bond list, etc. Modifiers operate on these data objects and may add dynamically computed data objects to the dataset as it is processed in the data pipeline.

Note that, in OVITO, the visualization of data is delegated to so-called visual elements, which are responsible for producing the three-dimensional graphical representation of the numerical data stored in the data objects. That means data objects themselves have no configurable visualization parameters; only the visual elements rendering the graphical representation do.

Data object typeDescription
ParticlesA set of particles which may be associated with an arbitrary set of per-particle property values
BondsA set of bonds connecting pairs of particles
Simulation cellThe simulation cell geometry and boundary conditions
Surface meshA mesh structure representing a two-dimensional closed manifold embedded in the simulation domain
Triangle meshA general polyhedral mesh made of vertices and triangular faces
Data tableA table of values arranged in columns and rows, which can be visualized as a 2d data plot
Voxel gridA structured 2d or 3d grid made of uniform voxel elements
Trajectory linesThe continuous particle trajectory lines computed by the Generate trajectory lines modifier
DislocationsLine crystal defects extracted by the Dislocation analysis (DXA) modifier

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