Finland: import MTK-korkeussuhteet — contours (34 GB) #107

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opened 2026-08-12 21:41:00 +00:00 by art · 1 comment
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Scope: Finland's contours from MML Maastotietokanta MTK-korkeussuhteet (2025-04-03, 34.45 GB).

The source (Paituli, Lueminut.txt): korkeuskayra (3D line, kohdeluokka 52100) + korkeuskayrankorkeusarvo (52191, contour labels). The catalogue line in docs/country-finland.md already says "worth it"; the old "out of scope for Sweden parity" note in conf/fimap.yaml is withdrawn by #84 — contours are the maintainer's explicit yes (heavy is the point), and the Sweden–Finland border match at Tornio–Haparanda is the first test of two national contour products agreeing.

First steps:

  1. Add the file to conf/fimap.yaml downloads (plain HTTPS from Paituli); 34.45 GB.
  2. Contours as a shared-vocabulary layer (elevation + interval_class like Iceland's), zoom floors for a 5 m-equivalent dense contour set.
  3. Re-check the Sweden–Finland border: the two countries' contours meeting at the border is the acceptance test.

From #84 — catalogue line in docs/country-finland.md.

Scope: Finland's `contours` from MML Maastotietokanta **MTK-korkeussuhteet** (2025-04-03, 34.45 GB). The source (Paituli, Lueminut.txt): `korkeuskayra` (3D line, kohdeluokka 52100) + `korkeuskayrankorkeusarvo` (52191, contour labels). The catalogue line in docs/country-finland.md already says "worth it"; the old "out of scope for Sweden parity" note in conf/fimap.yaml is withdrawn by #84 — contours are the maintainer's explicit yes (heavy is the point), and the Sweden–Finland border match at Tornio–Haparanda is the first test of two national contour products agreeing. First steps: 1. Add the file to conf/fimap.yaml downloads (plain HTTPS from Paituli); 34.45 GB. 2. Contours as a shared-vocabulary layer (elevation + interval_class like Iceland's), zoom floors for a 5 m-equivalent dense contour set. 3. Re-check the Sweden–Finland border: the two countries' contours meeting at the border is the acceptance test. From #84 — catalogue line in docs/country-finland.md.
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Result is in #204 — #204; the review note is the PR description.

Result is in #204 — https://git.blahonga.org/art/ismap/pulls/204; the review note is the PR description.
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art/ismap#107
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