Is a LINESTRING always a straight line in postgis? Or can there be a curvature? I didn't get that from the documentation.
On Wed, Mar 14, 2012 at 10:04 AM, Ed Linde <edoli...@gmail.com> wrote: > Hi All, > I am wondering how ST_Buffer computes a buffer around say a LINESTRING? > How can I look at the internals of this? > Is it possible to achieve the same effect using GDAL's C++ API? I ask > because I have a very large LIDAR 3-D data set > which I cannot load into Postgis, but I would certainly want to understand > how postgis achieves some of it's > functionality, to get some ideas. Would love to hear some explanations or > ideas about how to do this! > > Cheers, > Ed >
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