| Commit message (Collapse) | Author | Age | Files |
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Thanks to EU Directive 2019/1024 of the European Parliament and of the
Council of 20 June 2019 on open data and the re-use of public sector
information, and the Commission Implementing Regulation (EU) 2023/138 of
21 December 2022, the mineral register is now available under the terms
of the CC0 1.0 Universal licence, see
https://www.sgu.se/produkter-och-tjanster/geologiska-data/malmer-och-mineral--geologiska-data/mineralrattigheter-och-prospektering/
Given we no longer need to parse SVG images from the webmap, we drop
webmap-download-mrr.py and add layers for expired and forbidden permits
(ut_metaller_industrimineral_forfallna, ut_olja_gas_diamant_forfallna,
bearbetningskoncessioner_forfallna, ut_metaller_industrimineral_forbud,
ut_diamant_forbud) as well as markanvisningar_bk_ansokta.
Unfortunately the GeoPackage file doesn't include peat concessions, so
we drop them from config.yml for now. Should they be of interest we can
always restore webmap-download-mrr.py and/or order the register from
Bergsstaten, cf. https://resource.sgu.se/bergsstaten/exporter-ur-mrr-info.pdf .
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In some degenerate cases DelaunayTriangulation() returns a
GEOMETRYCOLLECTION where no triangle is fully contained in the input
geometry, which causes getRandomPoint() to fail as the list of
cumulative weights is an empty list.
We “overshoot” in that case and return the non-curated triangulation.
getRandomPoint(…, max_tries=1024) should be enough to eventually hit a
point in the input geometry.
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We always exit after a single WMS request if the layer has no SVG paths.
Don't print the request count in that case.
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(Incl. failure.)
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Unfortunately SGU/Bergsstaten doesn't offer layer files to download, but
it has an online webmap (WMS) at https://apps.sgu.se/kartvisare/kartvisare-mineralrattigheter.html
so we add a dedicated module to probe and fetch features from it.
Double checked that the resulting combination of GeoJSON files does not
result in data loss compared to the previous (private) script:
sort_features() { jq -S '.features |= sort_by(.properties.Name, .properties.Layer, .properties.Area)' }
diff -u --color=auto \
<(ogr2ogr -f GeoJSON -lco COORDINATE_PRECISION=2 /vsistdout/ $dir/Mineralrättigheter.gpkg \
SE.GOV.SGU.MRR.BEARBETNINGSKONCESSIONER_APPLIED_VY | jq '.name = "MRR:" + .name' | sort_features) \
<(ogr2ogr -f GeoJSON -lco COORDINATE_PRECISION=2 -nlt MULTIPOLYGON -nlt PROMOTE_TO_MULTI \
/vsistdout/ mrr/bearbetningskoncessioner_applied.geojson | sort_features)
(and similar for other layers).
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