Zuqiao Yang

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
In order to extract high-quality topographic characteristic lines,based on contour lines constrained Delaunay TIN,two employed methods of extracting the topographic characteristic lines are proposed in this paper.The first method is calculating the value of the turn angle, curvature and the shape index of contour vertex firstly,and then is to determine the(More)
In order to reduce the points on contour lines, an optimized model based on progressive simplifying method for contour lines satisfied by the terrain feature constraints is proposed. Firstly the topographical characteristic points and feature lines are extracted Based on Constraint Delaunay TIN, and then constraints of the contour lines are analyzed(More)
  • 1