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Merge pull request #61 from CartoDB/add-interpolation

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Add interpolation
This commit is contained in:
Andy Eschbacher
2016-06-21 11:59:42 -04:00
committed by GitHub
parent 01fc2c1dd1 5a2319db72
commit 3c066d65fc
4 changed files with 188 additions and 0 deletions
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6
src/pg/test/sql/08_interpolation_test.sql Normal file
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WITH a AS (
SELECT
ARRAY[800, 700, 600, 500, 400, 300, 200, 100] AS vals,
ARRAY[ST_GeomFromText('POINT(2.1744 41.403)'),ST_GeomFromText('POINT(2.1228 41.380)'),ST_GeomFromText('POINT(2.1511 41.374)'),ST_GeomFromText('POINT(2.1528 41.413)'),ST_GeomFromText('POINT(2.165 41.391)'),ST_GeomFromText('POINT(2.1498 41.371)'),ST_GeomFromText('POINT(2.1533 41.368)'),ST_GeomFromText('POINT(2.131386 41.41399)')] AS g
)
SELECT CDB_SpatialInterpolation(g, vals, ST_GeomFromText('POINT(2.154 41.37)'),1) FROM a;