lwgeom_wkb_needs_srid()

static int lwgeom_wkb_needs_srid ( const LWGEOM *  geom, uint8_t  variant  )

static

Definition at line 63 of file lwout_wkb.c.

References LW_FALSE, LW_TRUE, lwgeom_has_srid(), WKB_EXTENDED, and WKB_NO_SRID.

Referenced by empty_to_wkb_buf(), empty_to_wkb_size(), lwcollection_to_wkb_buf(), lwcollection_to_wkb_size(), lwgeom_wkb_type(), lwline_to_wkb_buf(), lwline_to_wkb_size(), lwpoint_to_wkb_buf(), lwpoint_to_wkb_size(), lwpoly_to_wkb_buf(), lwpoly_to_wkb_size(), lwtriangle_to_wkb_buf(), and lwtriangle_to_wkb_size().

{
        /* Sub-components of collections inherit their SRID from the parent.
           We force that behavior with the WKB_NO_SRID flag */
        if ( variant & WKB_NO_SRID )
                return LW_FALSE;

        /* We can only add an SRID if the geometry has one, and the
           WKB form is extended */
        if ( (variant & WKB_EXTENDED) && lwgeom_has_srid(geom) )
                return LW_TRUE;

        /* Everything else doesn't get an SRID */
        return LW_FALSE;
}

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