- lane center: blue arrow and lightblue area
- crosswalk: green arrow and white ladder
- stop line: black arrow and white area
- traffic light: red arrow
- pink: straight
- blue: turn left
- red: turn right
Some relationships and features can be automatically generated using a preprocess script.
For example, lane boundaries and lane sections can be generated as below.
You can visualize your map in RViz as well.