Topological check of data

Topological data check contains the following types of check:

- check of self-crossings;

- check of subobjects entering (islands location);

- check of duplication of unique numbers of objects;

- check of duplication of objects by metrics;

- check of presence of break points at objects;

- check of the coordination of water-level and objects of hydrography;

- control of the direction of lines of a waterway;

- check of nodes existence at objects;

- check of the abandoned end-points at objects;

- check of intersecting the objects with each other;

- check of a mismatching objects (objects joining);

- check of input of one object into others.