points-concave hull-polygon

concave_hull_polygonconcave_hull_polygon

points-concave

 

points

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This is a point cloud.

concave_hull

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The points were extracted by concave hull method.

polygon

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I would like to make polygons as shown above.