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Geometry package: Difference between revisions
→Meshing Octave
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We are going to reduce the amount of points of the polygon in a drastic and destructive way (i.e. the shape may be considerably damaged). The codes to do so follows, in the future a better procedure will be published here. | We are going to reduce the amount of points of the polygon in a drastic and destructive way (i.e. the shape may be considerably damaged). The codes to do so follows, in the future a better procedure will be published here. | ||
{{Code|Symplification of a polygon compatible with geometry package|<pre> | {{Code|Symplification of a polygon compatible with geometry package|<pre> | ||
Ps = P; | |||
n = 1e6; | |||
thrsd = 0.38; | |||
while n>size (Ps,1) | |||
n = size (Ps,1); | |||
ds = sqrt (sumsq (Ps(1:end,:) - Ps([2:end 1],:),2)); | |||
Ps = Ps(ds>mean (ds)*(1-thrsd),:); | |||
end | |||
whos P Ps | |||
</pre>}} | </pre>}} | ||