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*Subject*: Distance calculation*From*: q4668057(at)bonsai.fernuni-hagen.de (Michael Spranger)*Date*: Mon, 20 Nov 2000 18:11:13 GMT*Newsgroups*: comp.lang.idl-pvwave*Organization*: FernUni Hagen*Xref*: news.doit.wisc.edu comp.lang.idl-pvwave:22268

Geometry classes seem to be a long time ago... Since a couple of days, I am trying to bring at least some logic in a very simply looking problem: I want to calculate the distances of points on a 3D regular grid to a limited, 2D, planar area within the grid. Mathbooks provide a bunge of solutions for the distance between a point and a surface or for shortest distances between two lines (all refering to basic vector algebra..), but none seems to be applicable to this simple buffer problem I'd like to solve... As I want to code it in IDL, one of my hopes is, that somebody already solved this problem - or has heard of sombody who knows somebody who... - or simply that someone has a good idea for a not-too-good-mathematician. Thanks, Michael

**Follow-Ups**:**Re: Distance calculation***From:*Jeff Haferman

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