1. Open the drawing program: Start → All programs → Accessories → Drawing.
2. Enter: mspaint → OK to open the start → the drawing that comes with the system at runtime.
3. Open the shot picture.
4. After adjusting the photo, click Properties on the menu to see the size of the original photo.
5, the big picture becomes smaller, the pixels are fine, the small picture becomes bigger, and the picture will be blurred.
6. Adjust the needed parts of the picture and cut off the unnecessary parts. You can use the cutting tool, click Select → then pull the box in the figure to select → Click Cut when you are satisfied.
7. Observe the size change of adjustment until it is satisfactory. Select all, copy, create, paste and form a map.