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Hi Julia,<br>
<br>
Good question. The R script below illustrates how to find the area
of overlap between isopleths for two individuals. This is relatively
easy because T-LoCoH saves isopleths (and hulls) as
SpatialPolygonDataFrames, which is a pretty common format for
spatial objects in R so there are a lot of packages and functions
that can manipulate polygons in this format.<br>
<br>
<a
href="http://tlocoh.r-forge.r-project.org/isopleth_overlap_exericse.txt">http://tlocoh.r-forge.r-project.org/isopleth_overlap_exericse.txt<br>
</a><br>
Check that out and let me know if you have any other questions.<br>
<br>
Andy<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 6/12/2014 8:25 AM, Julia Krejci
wrote:<br>
</div>
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<p class="MsoNormal"><span lang="EN-GB">Dear t-locoh group,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">my name is Julia. I work
on home ranges of Northern Bald Ibis and chose t-locoh to
analyse them. I have 11 individuals for which I already
calculated individual home ranges. Now I wonder if it is
possible to “overlap” these home ranges/isopleths to see how
similar they are in size but also geographically. Is there a
way to do see to which percentage they are similar? I would
like to investigate for example if the core areas of the
individuals have the same geographical position and similar
size. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thank you very much for
your help,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Best wishes,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Julia <o:p></o:p></span></p>
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<br>
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