中文翻译应该叫旋转卡壳，搜狗提醒说卡应该读成qia

http://cgm.cs.mcgill.ca/~orm/rotcal.html

涉及的问题：

• Computing distances
  • The diameter of a convex polygon
  • The width of a convex polygon
  • The maximum distance between 2 convex polygons
  • The minimum distance between 2 convex polygons
• Enclosing rectangles
  • The minimum area enclosing rectangle
  • The minimum perimeter enclosing rectangle
• Triangulations
  • Onion triangulations
  • Spiral triangulations
  • Quadrangulations
• Properties of convex polygons
  • Merging convex hulls
  • Finding common tangents
  • Intersecting convex polygons
  • Critical support lines
  • Vector sums of convex polygons
• Thinnest transversals
  • Thinnest-strip transversals