Displacement

Displacement items are vectors that describe the required distortion of other vector or raster data, using known control points. A collection of Displacement items is used to define a Rubber Sheet item.

Displacement items are created using Displacement [Edit-Rubber Sheeting].

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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