The key to our tool is simplicity. Officers in the field don't have time or the need for fancy graphics. DOGE lets them map out the accident scene while the simple UI allows them to focus on making sure they have every necessary detail.
To use, visit http://samsyun.com/police.html and simply click one of the buttons to the right. If drawing a line, click on two points to draw a line between them. If drawing other objects, click on a point, and the object will appear in the space in the bottom-right corner. To change to drawing a different object, click on another button. Click on one of the points in the circle to approximate North.