> On 6 Aug 2009, at 23:07, Stuart Buchanan wrote: > > While the current random forest code distributes the individual > > trees evenly across the terrain. This works well for large areas of > > forest, but less well for more mixed terrain, where individual > > copses/woods of trees are mixed with completely open ground. > > > > I've been working on a small patch to allow trees to be grouped > > together into woods. This allows what seems to me to be a more > > realistic grouping of trees for farmland in particular. For example, > > the following screenshots show old and new renderings of some > > farmland near my local airfield: > > > > http://www.nanjika.co.uk/flightgear/old.jpg > > http://www.nanjika.co.uk/flightgear/new.jpg > > Looks like a definite improvement to me - for the case you highlight, > of course. Your definition of woods as density + area + tree density > seems very sensible to me. > > > I'd be very interested in people's opinions on this, particularly as > > it would result in a change to the distribution of trees globally. > > I'm well aware that MixedCropPastureCover looks quite different in > > Scotland than elsewhere. > > Speaking as someone who also lives in Scotland, it works great! > > ;) > > > More seriously, this does need consideration from people who live > elsewhere in the world. Looks like Scotland and Germany have something in common ;-) Your new tree placement gets my vote.
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