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Improve Nearest Neighbours #5135

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OwenArnold opened this issue Dec 8, 2011 · 2 comments

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OwenArnold commented Dec 8, 2011

Change the nearest neighbour code so that we can extract the distance '''V3D distance = neighbour - realPos;''' rather than just the absoute distance. This will affect a lot of code, so It's important that nothing breaks as a result of this change.

This ticket is necessary in order to support http://trac.mantidproject.org/mantid/ticket/4203 and fix an minor issue in parabolic smoothing. Currently parabolic smoothing will only work for rectangular detectors, but it should work for instruments like WISH at the end of this ticket.

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OwenArnold commented Jun 3, 2015

This issue was originally trac ticket 4288

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OwenArnold commented Jun 3, 2015

http://trac.mantidproject.org/mantid/raw-attachment/ticket/4288/GeometryTest.NearestNeighboursTestPerformance.testUsingDefault.runtime.v.revision.png

(uploaded by Russell Taylor on 2011-12-09T21:13:21)

http://trac.mantidproject.org/mantid/raw-attachment/ticket/4288/GeometryTest.NearestNeighboursTestPerformance.testUsingRadius.runtime.v.revision.png

(uploaded by Russell Taylor on 2011-12-09T21:13:31)

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