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Evaluates the difference between two triangular meshes

'Metro' evaluates the difference between two triangular meshes. It adopts an approximated approach based on surface sampling and point-to-surface distance computation, and has been widely used in the surface simplification research community (more than 140 citations according to google). It implements three different surface sampling methods:

* Montecarlo sampling (pick k random samples in the interior of each face)
* Subdivision sampling (recursively subdivide each face along the
longest edge and choose the sample in the center of each cell)
* Similar Triangles sampling (subdivide each face F in k polygons
similar to F and sample the face in correspondence with the
vertices of these polygons, internal to F)



Verified by

Verified on


Verified by

Janet Casey

Verified on

30 November 2004

Leaders and contributors

Paolo Cignoni Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking,Developer,
Ruby (Ref)
DeveloperVCS Repository Webview

Software prerequisites

Required to buildVCG library


"Ruby (Ref)" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

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