[Imports] Florida Landuse Import

Frederik Ramm frederik at remote.org
Tue Feb 22 20:27:26 UTC 2022


Hi,

On 2/22/22 18:34, Hiausirg wrote:
> I am currently planning an landuse import covering (nearly) the complete 
> US State of Florida.

I would suggest to drop the idea of "filling Florida" with landuses. 
Your wiki table contains a lot of "guesses" that may or may not fit, 
apparently in an effort to get as much paint onto the map as you can.

If would advise an approach of "if not 100% clear, do not import" 
(rather than "if not 100% clear, just chose something in OSM that comes 
close").

Some places in the western US are a horrible mix of "landuse painting" 
apparently made with the goal of "leave nothing empty". Don't do the 
same in Florida.

Also, from bad experience predominantly in western US imports, please 
make sure that you actually union neighboring idential landuse BEFORE 
uploading. So if there's two touching polygons of code 1510 and code 
1550 in the source data and both of them are converted to 
landuse=industrial, make sure you only create one landuse=industrial 
area and not two.

> The only problem is that there are relatively often overlaps of roads 
> and land covers like natural=wood or similar.

Over here where I map, we don't necessarily cut out a piece of forest 
just because a road runs through it - so that would not be a problem.

What *would* be a problem is if your forest import has a swath cut into 
the forest polygon which is clearly meant to house the road, but because 
the importer didn't care the road is off to the side in the forest. That 
would then be a careless import that calls for a revert.

Florida is a big state. Please make sure to get lots of people 
participating in this effort, ideally people importing in areas they 
have first-hand knowledge of.

> Conflation will be done largely manually with the JOSM validator. Exact 
> steps are described on the wikipage linked above. Since the state is in 
> most locations completely empty (regarding landuses), this shouldn't 
> take too long.

Don't rush it. Distributing the load on many shoulders is worth a lot. 
Don't succumb to the "ah it's not that much I'll just do it alone" 
impulse - it might feel like heroism, but it is actually laziness that 
will come back and bite us later. Involve the community in executing the 
import, not only in asking them beforehand.

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"



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