Minimal Bounding Box

Article Number: 000001827 - Last Modified: Aug 4, 2011

The MinimalBoundingBox finds the smallest rectangle that encloses a feature or set of features and has the same orientation as the input feature.

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MinimalBoundingBox.zip

The MinimalBoundingBox (See Attachment: MinimalBoundingBox.zip) finds the smallest rectangle that encloses a feature or set of features and has the same orientation as the input feature. This uses the Rotating Calipers method from http://cgm.cs.mcgill.ca/~orm/rotcal.frame.html It assumes that a convex feature as input, so a ConvexHullAccumulator or ConvexHullReplacer is needed first.
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MinimalBoundingBox.zip

Note: This has nearly become obsolete with the new "Oriented Bounding Box" option in the BoundingBoxReplacer, FME 2010, ~ build 6048, April 2009. The BoundingBoxReplacer can potentially find a smaller box which has a different azimuth than the input feature, which might not be ideal for building footprints.

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