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                                            Duncan Child

Create a polygon of the real data extents of for 3D surveys

There are algorithms to compute the convex hull of a set of points.

Create a polygon of the real data extents of for 3D surveys

Good point. It has been over a decade since I worked on that and I don't recall the details. I do remember that you can speed things up a lot...

Create a polygon of the real data extents of for 3D surveys

Does this help? https://medium.com/@agafonkin/a-dive-into-spatial-search-algorithms-ebd0c5e39d2a He builds the convex hull first and then adjusts it. On Thu, Jan 5, 2017 at 2:18 PM, Evan Bianco wrote: > @mycarta , yes I...