Thanks Bruce, that makes a lot of sense. Footleg On 21 February 2012 19:43, Bruce <bruce@tomo.co.nz> wrote:
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Footleg****
In my experience only Martins method (border line completely independent of wall (or other) lines) results in a scrap that will be resilient to future edits. It is the only method I use now, after some bad experiences. ****
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Firstly an independent border stands out as an entity to any future author (although perhaps is a little messy). It is not hidden in the drawing.*** *
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Secondly and most importantly, the creation of an area adds an id to any lines that make up its border. If in future a wall that also happens to be part of a border is split or redrawn, the id is removed (at least for one part of the line) and there is a very high chance that the area will no longer be drawn. I have alluded to this in http://therion.speleo.sk/wiki/doku.php?id=drawingchecklist#scrap_drawing** **
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Bruce****
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