TOPOLOGYAccuracy of Boundary TopologyThe boundary topology has been defined for surveyed parcels through the conversion of observations on the Survey Conversion project and the capture of new surveys in Landonline. In Landonline, this means that boundary nodes have been explicitly included in the boundary sequence of a parcel. For surveys processed in Landonline, the topological definition should be accurate for all nodes recorded. It should be noted that some nodes on non-primary parcels may not have been recorded. Survey conversion has removed spurious DCDB nodes from, and added survey-defined positions to, the parcel topology. Spurious nodes will still exist and appear close to the boundaries, but will not be included in the topology. In areas where Landonline only records the DCDB derived definition of a parcel, the topology of the parcel may not reflect the survey-defined topology. This is likely to occur in rural areas where the scale of the initial graphical recording is unlikely to enable the identification of each boundary corner. This may require special attention when capturing new surveys and linking marks to those nodes already in Landonline. Topology |