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Overlap Area Analysis (single tree)

As part of the ArborShadow Accuracy Tests.
 
 For this test I created 10 different tree shadow sizes (using a single tree) and ensured each one overlaid a reference area. The resulting overlap area calculation produced by ArborShadow is then compared with the same calculation
as produced by AutoCAD.
Picture
Picture
The difference between each value was then calculated as a percentage of the AutoCAD value and plotted (see below).
Picture
The difference for each sample is tiny (less than half of 1 percent).
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