3DBoundingBoxReplacer
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Overview
The BoundingBoxReplacer transformer works only with 2D features. This 3DBoundingBoxReplacer custom transformer provides the ability to get a 3D Bounding Box (or Cube).
Methodology
This is a fairly simple custom transformer.
- The BoundsExtractor is used to determine the minimum and maximum X,Y,Z values for each feature.
- The 2DBoxReplacer replaces the feature with a 2D box representing the base of the cube
- The 3DForcer assigns the correct Z value to the base of the cube
- The ExpressionEvaluator calculates the difference between min Z and max Z
- The Extruder stretches the box into a 3D cube, using the calculated offset
- The AttributeRemover cleans up unwanted attributes
Output
The output from this transformer is a 3D cube - here a set are shown in an Adobe PDF:
