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abelvm 2016-09-02 14:57:21 +02:00
parent 139e86d414
commit a530de80f1
2 changed files with 4 additions and 1 deletions
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2
doc/19_contour.md
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@ -18,7 +18,7 @@ Function to generate a contour map from an scatter dataset of points, using one
| method | integer | 0:nearest neighbor, 1: barycentric, 2: IDW| | method | integer | 0:nearest neighbor, 1: barycentric, 2: IDW|
| classmethod | integer | 0:equals, 1: heads&tails, 2:jenks, 3:quantiles | | classmethod | integer | 0:equals, 1: heads&tails, 2:jenks, 3:quantiles |
| steps | integer | Number of steps in the classification| | steps | integer | Number of steps in the classification|
| resolution | integer | if <= 0: max processing time in seconds (smart resolution) , if >0: resolution in meters | max_time | integer | if <= 0: max processing time in seconds (smart resolution) , if >0: resolution in meters
### Returns ### Returns
Returns a table object Returns a table object

3
src/pg/sql/19_contour.sql
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@ -21,6 +21,9 @@ DECLARE
BEGIN BEGIN
-- nasty trick to override issue #121 -- nasty trick to override issue #121
IF max_time = 0 THEN
max_time = -90;
END IF;
resolution := max_time; resolution := max_time;
max_time := -1 * resolution; max_time := -1 * resolution;