Development of software to measure tree heights on the smartphone

Abstract

In this study, we developed software to measure tree heights with the iPhone. A smartphone such as the iPhone sometimes has an accelerometer, by which the inclination of the device can be measured. Therefore, you can measure tree heights using an iPhone with an accelerometer, applying the principles of trigonometry. iPhones have excellent user interface, making it possible to manage, display, edit and calculate the measuring data. Thus, it is not necessary to input and calculate the measuring data on a personal computer after measuring. Moreover, the measuring data can be transmitted using wireless LAN or cellular phone circuit. Thus, productivity of field surveying in forests can be improved by using software to measure tree heights on an iPhone.