Introduction - If you have any usage issues, please Google them yourself
1. According to the data of China territory
Plot shows latitude and longitude data based on Beijing 54 coordinate system
Compile lambert projection conversion program, convert the above data, and display
Prepare Mercator projection conversion program, convert the above data, and display
At the same time, to draw the corresponding longitude and latitude grid, grid spacing 5 degrees
2. According to the world map data given
Draw and display longitude and latitude data based on WGS84 coordinate system
Prepare Mercator projection conversion program, convert the above data, and display
The great circle trajectory from Beijing (116.4, 39.8) to Paris (2.2, 48.52) is calculated and shown
At the same time, to draw the corresponding longitude and latitude grid, grid spacing 5 degrees