Comments (11)
curran
commented on July 17, 2024
Related #25
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curran
commented on July 17, 2024
It appears these have been solved in https://github.com/fil/visionscarto-world-atlas by @Fil
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mbostock
commented on July 17, 2024
In general, I don’t have the bandwidth to maintain manual patches to the Natural Earth Data. But it does seem pretty egregious that Norway’s country code is missing. Here’s my own visualization as of Natural Earth Data version 4.1.0 (world-atlas 2.0.0)
Let me take a look at some patches…
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mbostock
commented on July 17, 2024
The features with missing identifiers are:
- Somaliland - no defined ISO-3166-1 code (numeric or alpha)
- Norway - 578
- Kosovo - no defined ISO-3166-1 code (numeric or alpha)
- Northern Cyprus - no defined ISO-3166-1 code (numeric or alpha)
- Indian Ocean Ter. - unsure (separate from British Indian Ocean Territory)
- Siachen Glacier - unsure
The name property was added in world-atlas 2.0.0, so that can be used as a fallback to identify countries with no ISO-3166-1 numeric code.
I will patch Norway in 2.0.1.
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mbostock
commented on July 17, 2024
Fixed Norway in 2.0.1. I don’t know what to do for the other cases. Related #19 we could include the ISO alpha codes, but that would not help in this case.
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Fil
commented on July 17, 2024
In https://github.com/nvkelso/natural-earth-vector/blob/master/50m_cultural/ne_50m_admin_0_countries.dbf some codes are used:
- KAS (for Kashmir / Siachen)
- KOS (Kosovo)
- CYN (N. Cyprus)
- SOL (Somaliland)
- IOA (Indian Ocean Territory)
I've extracted the lines for convenience:
https://gist.github.com/Fil/401928df84ef0a16346ddfc37fd739dd
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mbostock
commented on July 17, 2024
@Fil Yes, but those aren’t the ISO-3166-1 numeric codes, which we’re using as identifiers here. And they aren’t the ISO alpha codes either; I believe they’re essentially made-up by Natural Earth Data with no standardized meaning.
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Fil
commented on July 17, 2024
Yes, it’s problematic. I use them though because what other choice do we
have? It’s better than nothing in practical applications, esp. when you
have data for these territories.
Le dim. 1 sept. 2019 à 17:01, Mike Bostock <[email protected]> a
écrit :
@Fil <https://github.com/Fil> Yes, but those aren’t the ISO-3166-1
numeric codes, which we’re using as identifiers here. And they aren’t the
ISO alpha codes either; I believe they’re essentially made-up by Natural
Earth Data with no standardized meaning.
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mbostock
commented on July 17, 2024
But unless your data happens to use Natural Earth Data’s identifiers (and I haven’t seen any examples of this in public datasets), you’re going to have to map the data manually anyway. In this recent world choropleth for example, the WHO keys the data by name. Many of these names match the Natural Earth Data, but about 30 of them I had to map manually due to discrepancies in naming.
https://observablehq.com/@d3/world-choropleth
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Fil
commented on July 17, 2024
you’re going to have to map the data manually anyway
True. However I prefer to map from French names to a simple 3-letter
indicator, rather than from French names to English names. In my process
(or at least in my mind), it helps clarify what is what: messy input values
vs. identifiers.
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mbostock
commented on July 17, 2024
That‘s fair, but I still don’t think it makes sense for Natural Earth Data’s SOV_A3 to be the primary identifier, since it is just a convention used by Natural Earth Data and not a standard (as I understand it from this comment: “The following 4 columns are unique to the Natural Earth administrative-0 coding system, but somewhat follow the ISO 3 digit alpha codes”). #19 discusses adding additional identifiers as properties.
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Related Issues (20)
- `npm install` on freshly cloned repo fails HOT 4
- Fails when running prepublish script HOT 1
- Redirect to active fork HOT 2
- The countries-110m.json file seems to be invalid HOT 4
- add iso 3611-1-alpha codes HOT 2
- Add POP_EST attribute HOT 1
- should quantization be more aggressive?
- French Guiana is labelled as France HOT 2
- Rename "eSwatini" to "Eswatini" HOT 1
- Tuvalu shows as part of Fiji
- Is there any way to separate out French Guiana from France on map ? HOT 1
- countries-10m.json shows Russia in a way that is not accurate HOT 2
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- Same country id for "Australia" and "Ashmore and Cartier Is"
- Country borders are shown not according to United Nation regulations. HOT 3
- Is the quantisation precision too low for 10m?
- Maldives path remains open when rendering chart in D3 HOT 1
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