<div dir="ltr">Also sounds familiar:  in <a href="https://github.com/geopandas/geo-arrow-spec/blob/main/format.md">https://github.com/geopandas/geo-arrow-spec/blob/main/format.md</a><div><br></div><div><p dir="auto" style="box-sizing:border-box;margin-top:0px;margin-bottom:16px;color:rgb(36,41,47);font-family:-apple-system,"system-ui","Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px">Except for Points, empty geometries can be faithfully represented as an empty inner list.</p><p dir="auto" style="box-sizing:border-box;margin-top:0px;margin-bottom:16px;color:rgb(36,41,47);font-family:-apple-system,"system-ui","Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px">Empty points can be represented as <code style="box-sizing:border-box;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-radius:6px">POINT (NaN NaN)</code>.</p></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 2, 2022 at 11:58 AM Martin Davis <<a href="mailto:mtnclimb@gmail.com">mtnclimb@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">An ABI-stable C interface!  Sounds eerily familiar :)<div><br></div><div><a href="https://arrow.apache.org/docs/format/CDataInterface.html" target="_blank">https://arrow.apache.org/docs/format/CDataInterface.html</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 2, 2022 at 11:46 AM Paul Ramsey <<a href="mailto:pramsey@cleverelephant.ca" target="_blank">pramsey@cleverelephant.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">They are coming for us, they are in the ceiling, they are in the room wtih us...<br>
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<a href="https://dewey.dunnington.ca/post/2022/building-bridges-arrow-parquet-and-geospatial-computing/" rel="noreferrer" target="_blank">https://dewey.dunnington.ca/post/2022/building-bridges-arrow-parquet-and-geospatial-computing/</a><br>
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