Preliminarily Research on the Key Technology of Counter Quality Checking

The content of contours and elevation points quality checking in DLG was introduced and the key technologies of elevation points and counters consistency checking operator was researched Preliminarily, a new checking point-line contradictions algorithm Divergence algorithm based on cloud model has been proposed, Using the local point-line spatial relations, the algorithm could quickly search the contradiction between points and lines. The algorithm is high efficiency and high accuracy, so the algorithm is feasible.