Converting Metes and Bounds Surveys to Lat-Long and Shapefiles #2801
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Thanks for reaching out. This is surely not a feature that belongs to geopandas. The closest package to something like this I can think of is probably @walkerke's pygris. He's surely more aware of the US context than I am so he may either be interested in including this or point you to a right direction. |
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Thanks for the ping! @taylorterry3 you are correct, pygris only deals with the US Census Bureau's geometries and doesn't handle metes / bounds. |
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I'm new to Github and am limited in my programming knowledge but I have a client that would be interested in converting metes and bounds text to LatLng coordinates. What is a proper way for us to connect? Thanks |
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Taylor,
Converting metes and bounds text, because they come in various forms, looks
to be very tricky.
If it can be done well, my client is interested.
Will your package be able to accept raw metes and bounds text from a legal
description or will "massaging" or preprocessing be needed?
I am just starting the conversation to see if we can find a match.
Thanks,
Bob
Bob Tablak
(408) 313-2814
…On Sat, Feb 10, 2024 at 1:18 PM Taylor Terry ***@***.***> wrote:
I'm the originator of this issue. I never got around to packaging this
code, but if there is renewed interest please let me know.
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Bob Tablak
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I recently had to hand-roll some Python code to convert a metes and bounds legal description to a shapefile. I did a fair bit of looking for open source code before doing it myself and didn't find anything, so before I file this stuff away I had the thought that I might be able to add it to some open source project. I'm not sure Geopandas is necessarily the right place for this, but I figure this community might be able to give some guidance as to where this kind of thing might belong (or tell me to just package it as a standalone tool).
For context, metes and bounds is the system used in much of the US to record the legal description of a property for a deed. It's basically a list of directions and distances describing the property boundary starting from some known point. Turning this into a series of lat-long points is at the core just a simple exercise in trigonometry for which GeoDataFrames are well suited, but there is a ton of lurking complexity due to everything from magnetic vs. true north directions and changes in magnetic declination over time, to survey error causing the shapefile to not close without adding an error segment.
Any guidance or pointers are appreciated!
Thanks,
Taylor
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