Clicks2Area is a leaf area calculator based on mouse clicks. It allows user to define leaf outline on submitted image and calculate its area by mouse clicks. Clicks2Area fits to a variety of leaf shape, including regular, irregular, convex and concave.

How to Use:

  • Firstly, user need to upload a leaf image with standard area to Clicks2Area, where jpg, bmp, and gif format is allowed.
  • Secondly, user need obtain the point coordinates of leaf outline by pointing mouse to it and clicking in clockwise or counter-clockwise order.
  • Thirdly, user can calcuate the leaf area by clicking "Calculate Area" button.
  • Limitations:

    Clicks2Area will produce a wrong answer for self-intersecting outline, where one side crosses over another, as shown below.