What is `circle_event.lower_x`?
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 25/100
- Issue type
- Documentation
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- cpp
- Domain
- computer-graphics
Research direction
Start with include/boost/polygon/detail/voronoi_structures.hpp and the linked docstring for circle_event::lower_x_. Trace the sweep algorithm's circle-event construction and uses of lower_x_ to establish its geometric meaning. Done means the field's semantics and, if appropriate, a formal algorithm reference are clearly documented.
Written by the indexing model from the issue text.
Description
I'm trying to understand the algorithm (btw if there is a formal description -- will be glad to read it) and want to understand what is circle_event.lower_x field, I understand that circle_event class represents circle built during sweeping the plane and from docstring I can see that
lower_x_- leftmostx-coordinate;
For example, if we have a circle
does this point has coordinates (lower_x, center_y) or am I missing something?
If lower_x is the lefmost should it be always to the left of the center_x?
- Dominant language
- C++
- Stars
- 70
- Forks
- 76
- PR merge metrics
- No merged PRs in 30d
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