Control

1. Select a photo to work with 1. Provide a photo to work with *
☞2. Then move and resize the ellipse to fit a droplet shape
3. Move the line (use circular-shaped markers as handles) and superimpose it on the surface horizon
4. Finally press "Calculate" to get a result

Report

✘ Collect statistics

`i`	`θ ^l_i`, °	`θ ^r_i`, °	`θ`, °
`Θ` = ?
`σ` = ?

Colors

Type hexadecimal color code,
e.g. #00F or #008000