lwgeom_is_trajectory()

int lwgeom_is_trajectory

(

const LWGEOM *

geom

)

Return LW_TRUE or LW_FALSE depending on whether or not a geometry is a linestring with measure value growing from start to end vertex.

Definition at line 2080 of file lwgeom.c.

References LINETYPE, LW_FALSE, lwline_is_trajectory(), lwnotice(), ovdump::type, and LWGEOM::type.

Referenced by ST_IsValidTrajectory(), and test_lwgeom_is_trajectory().

{
        int type = geom->type;

        if( type != LINETYPE )
        {
                lwnotice("Geometry is not a LINESTRING");
                return LW_FALSE;
        }
        return lwline_is_trajectory((LWLINE*)geom);
}

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