..data is in Pseudo Mercator...unit meters...in Georgia/Florida whereabouts...and still under 700 sq meters...
On Tue, Feb 25, 2014 at 1:46 AM, Ari Simmons <ari.ucb.f...@gmail.com> wrote: > Hello (again)... > > I am attempting to re-create yet another Visvilingam simplify algorithm > using Shapely/Fiona (...this is mostly an effort to experiment with > Fiona/Shapely). > > I have some test data (trivial in size -- polygons under 700 sq meters), > but in calculating the triangles (which all should be less then 700 sq. > meters)...I am pulling out areas in the millions. > > I've exhaustively run through the way I am picking up points (and > calculating area)...so to try this a different way...could this all have > something to do with the Fiona reading/writing...? A projection issue > perhaps...? From what I can tell the file reads and outputs fine -- I am > just getting really large areas out of my 'not that big' polygons. > > Anybody ever had something like this come up? Or have a tip... > > P.S> I didn't really think posting my code is going to be that helpful, > but here is a link to my Git[2] if nothing I said above computes...since > the test data was small I added it in too... > > > [1]: https://pypi.python.org/pypi/Fiona . I modeled most the read/write > code based on what I found on the site ...but in my noobness might be > totally not getting it... > [2]: https://github.com/ARSimmons/Shapely_Fiona_Visvalingam_Simplify > my git, with code and the trivial size polygons if you want to see what I > mean... >
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