(2) According to the drawn points, cross coordinates are displayed. When displaying cross coordinates, be sure to write southeast and northwest, which can reduce the error rate. Let's continue to draw, indicating distance and angle.
(3) After drawing this point, the cross coordinates will be displayed from this point, and then continue to draw below, draw the last point, and write the word of the end point, indicating the distance and angle.
Attention: pay attention to the direction, let others identify the direction and recognize the route; Mark the four directions of southeast, northwest and northwest; Pay attention to landmarks, observe which landmark buildings are on the road, and choose key landmarks; Understand the legend design; Collect and sort out roadside tips, understand their meanings and abide by the rules; Complete the road map and indicate the author's name in the lower right corner.