For application
＂Measurement of ROM Angle - use 4 markers＂ is an app which measures the angle by moving the 4 markers was developed as a convenient tool for recording the measurement results, it can be used as information.
Function
You can measure angle by set the markers in your Image.
How to use
Take photo or import photos from your "Camera Roll" .
Please set the markers in the measurement screen.
Tap “OK” when you set the markers easier,then the angle is measured.
Image is save in your calendar. In order to save in your albums, use a screen shot.
Notes other
In order to increase the reliability, please use in considering of the various conditions, such as camera-to-subject distance, camera position and tilt.