Introduction - If you have any usage issues, please Google them yourself
Through the mouse to draw out the structure of the graph (which can be set in the menu are two RBI and drawing a line command: When you select RBI command that every click you mouse on the screen make a point, when selecting drawing a line command, the mouse first election in one point, another point is selected to draw the line between two points. of course, other methods can be used to complete mapping.) Then use different colors to identify these points so that every edge connected graph 2 vertices with different colors. On the screen should be able to display colored with different colors after the map.