MobilityDB 1.3
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◆ ttouches_tgeo_geo()

Temporal * ttouches_tgeo_geo ( const Temporal temp,
const GSERIALIZED gs 
)

Return a temporal Boolean that states whether a temporal geo touches a geometry.

The temporal touches relationship is computed as follows:

  • For temporal points ttouches(tpoint, geo) = tintersects(tpoint, st_boundary(geo))
  • For temporal geometries, compute the relationship at each instant using the lifting infrastructure
    Parameters
    [in]tempTemporal geo
    [in]gsGeometry @csqlfn Ttouches_tgeo_geo()
    Note
    The function does not support 3D or geographies since the PostGIS function ST_Touches only supports 2D geometries