[R-sig-Geo] Drawing the maximum-area rectangle in a non-convex polygon
Barry Rowlingson
b.rowlingson at lancaster.ac.uk
Tue Apr 12 22:57:56 CEST 2016
Could you simply use the Javascript code in that web page via one of
the R-Javascript interface packages?
On Tue, Apr 12, 2016 at 8:42 PM, Tiernan Martin <tiernanmartin at gmail.com> wrote:
> Does anyone know if there is an R package out there with an algorithm which
> finds the maximum-area rectangle that can fit within a non-convex polygon?
> I have Googled, searched the R Sig Geo archives, and created a post on the
> GIS Stackexchange to no avail.
>
> Here is an example of the type of output I am looking for:
> http://d3plus.org/assets/posts/largestRect/img/solution.png
>
> As you can probably infer from the image, the algorithm searches for the
> rectangle with the largest area that will fit within the boundary of the
> non-convex polygon. My project will be applying this analysis to a set of
> parcels (aka plots, plats, or cadastres) in order to estimate the footprint
> of a largest rectangular building that could be built on each parcel. The
> image linked above comes from the following post which showcases the type
> of algorithm that would be useful for my project:
> http://d3plus.org/blog/behind-the-scenes/2014/07/08/largest-rect/
>
> Is there an existing R package that I could use to conduct such an analysis
> of several non-convex polygon? Or perhaps a set of functions from a
> combination of packages?
>
> Thank you in advance,
>
> Tiernan
>
> PS – here's a link to my (very similarly worded) SO post:
> http://gis.stackexchange.com/questions/186881/is-there-an-r-package-for-finding-the-largest-rectangle-in-a-non-convex-polygon
>
> [[alternative HTML version deleted]]
>
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