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minor adjustment to example

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git-svn-id: http://svn.osgeo.org/postgis/trunk@9510 b70326c6-7e19-0410-871a-916f4a2858ee
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Regina Obe 2012-03-16 12:40:31 +00:00
parent f17a5176a0
commit 907744eed0
1 changed files with 4 additions and 4 deletions
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8
doc/reference_raster.xml
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@ -4614,7 +4614,7 @@ and aerial Tiles (tiles each 150x150 pixels ~ 134,000 tiles), ~102,000 building
-- then get stats for these clipped regions
b_stats AS
(SELECT building_id, (stats).*
FROM (SELECT building_id, ST_SummaryStats(ST_Clip(rast,geom,2)) As stats
FROM (SELECT building_id, ST_SummaryStats(ST_Clip(rast,geom),2) As stats
FROM aerials.boston
INNER JOIN feat
ON ST_Intersects(feat.geom,rast)
@ -4631,9 +4631,9 @@ SELECT building_id, SUM(count) As num_pixels
ORDER BY building_id;
building_id | num_pixels | min_pval | max_pval | avg_pval
-------------+------------+----------+----------+------------------
100 | 1087 | 0 | 252 | 57.5501379944802
103 | 655 | 4 | 176 | 65.3145038167939
150 | 894 | 0 | 252 | 185.530201342282</programlisting>
100 | 1090 | 1 | 255 | 61.0697247706422
103 | 655 | 7 | 182 | 70.5038167938931
150 | 895 | 2 | 252 | 185.642458100559</programlisting>
</refsection>
<refsection>