LineString

A LineString is a connected path with two or more vertices, any segment of which may be curved.

Each vertex of a LineString item can be specified in 3D.

Some types of dataset cannot store 3D or curved geometry, in which case SIS will have to flatten the geometry or facet it.

Properties

• Closed
  
• Geometry class
  
• Number of vertices
  

Item Properties

Properties

• Closed: _closed&
  Does the geometry of the item form a closed loop?
  
  
• Geometry class: _classGeom$
  The C++ class used to store an item's geometry. This is handled automatically. You can see what precision an item's geometry is stored with by recognising the geometry classes.
  
  
• Number of vertices: _np&
  The number of vertices in the item's geometry.
  
  

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