Convex Hull Visualizer
Compute a two-dimensional convex hull, area, and perimeter.
Processing stays in your browser. Up to 500 points. Duplicates and interior collinear points are removed from the hull; coordinates use ordinary floating point arithmetic.
How to use the convex hull visualizer
Compute a two-dimensional convex hull, area, and perimeter. Complete the points json [x, y] fields above, or upload a UTF-8 text file for points json [x, y]. Choose Run tool, review the output, then copy or download the result.
Example
A 4 by 3 rectangle has area 12 and perimeter 14.
Good to know
Up to 500 points. Duplicates and interior collinear points are removed from the hull; coordinates use ordinary floating point arithmetic.