The dimensionality of the grid (1, 2 or 3) is specified. Then, for each axis of the grid, the name of the corresponding column in the catalogue and the number of elements in the grid along the axis are given. The limits of the grid along each axis correspond to the range of values of the corresponding catalogue column. The value of each element in grid is set to the number of points which lie within it. Optionally the grid may be normalised by dividing by the total number of points in the catalogue.
The grids generated can be displayed and manipulated using Starlink software such as GAIA (SUN/214), KAPPA (SUN/95) and Figaro (SUN/86) or visualisation packages such as DX (SUN/203 and SC/2).
CURSA Catalogue and Table Manipulation Applications