From Grand Theft Wiki Jump to: navigation, search  Distances are
measured differently in some editions of Grand Theft Auto. In
early editions (GTA1 and GTA2) measurements are based on the
grid system of the landscape data file format. In later
editions, they use meters and divisions of meters.  None of the
environments in any Grand Theft Auto edition attempt to mimic
the Earth's curvature, they use flat planes and straight lines
to base positions from.   The map data for these levels is
constructed from a grid of cubes. There are 256 cubes from East
to West and 256 cubes from North to South. There are 6 layers of
cubes, creating a total of 393,216 cubes. In both editions, the
face of each cube is able to take one texture of size 64×64
pixels. This provides a regular grid which can be used for the
placement of objects.  Negative values are not required in GTA1
and GTA2, as the whole environment is covered by positive
coordinates.  Cube Coordinates  A cube in GTA1 and GTA2 is the
same size as the length of a re