21 lines
790 B
PL/PgSQL
21 lines
790 B
PL/PgSQL
\set ON_ERROR_STOP on
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SET plpgsql.extra_errors TO 'all';
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-- This fails with real rivers since dcf4c02307baeece51470a961a113a8fad68fad5
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-- (adding GDB10LT data). The same rivers from OpenStreetMaps work.
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-- There seems to be a bug in wm_exaggeration.
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do $$
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declare
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npoints bigint;
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secs bigint;
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begin
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select * from ST_SimplifyWM_Estimate((select st_union(way) from wm_rivers)) into npoints, secs;
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raise notice 'Total points: %', npoints;
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raise notice 'Expected duration: %s (+-%s)', ceil(secs), floor(secs*.5);
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end $$ language plpgsql;
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delete from wm_debug where name in (select distinct name from wm_rivers);
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delete from wm_demo where name in (select distinct name from wm_rivers);
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insert into wm_demo (name, way) select name, ST_SimplifyWM(way, 75, null, name) from wm_rivers;
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