On protractor app for android description: On protractor turn your smart phone into a useful protractor set for quick angle and slope measurement.
It helps you measure the angle of everything conveniently and accurately with your phone anywhere anytime.
It combines four most important angle measuring modes in one app which is touch measure on screen touch measure with camera plumb measure on screen and plumb measure with camera.
Each measuring mode operates differently to cater for your needs in measures the angle of different types of object from small object to huge object and even objects far away such as buildings.
On protractor is very easy to use as described below.
You can also switch the protractor measurement unit between degree and radian by just a click.
With on protractor now you always bring an angle measuring pack with you as in your smart phone.
Measuring mode 1: touch measure on screenplace measured object on the screen and move the two line limiters to aligned with object 39 s boundaries.
This measuring mode normally used for small object in the range of screen size (refer preview image 1) measuring mode 2: touch measure with cameraaim the camera at the target object at the same time move the two line limiters to aligned with the object 39 s boundaries.
This measuring mode normally used to measures large object.
(Refer preview image 2) measuring mode 3: plumb measure on screenrotate the orientation of device in clockwise or counter clockwise direction until the plumb line and protractor center line aligned with the boundaries edge of measured object.
This measuring mode normally used to measures stationary and object larger than screen size.
(Refer preview image 3) measuring mode 4: plumb measure with cameraaim the camera at the target object and rotate the orientation of device in clockwise or counter clockwise direction until the plumb line and protractor center line aligned with the boundaries edge of target object.
Press 39 lock 39 to fix the screen and take the measurement
