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remove left and right notes until I have arrows. not embarrass myself with my directional dyslexia.
git-svn-id: http://svn.osgeo.org/postgis/trunk@7678 b70326c6-7e19-0410-871a-916f4a2858ee
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@ -375,7 +375,7 @@ FROM someroadstable;
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<imagedata fileref="images/st_offsetcurve01.png" />
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</imageobject>
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<caption><para>15, 'quad_segs=4 join=round' original line
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and its offset 15 units to the left.</para></caption>
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and its offset 15 units.</para></caption>
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</mediaobject>
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</informalfigure>
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<programlisting>
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@ -399,16 +399,17 @@ LINESTRING(164 1,18 1,12.2597485145237 2.1418070123307,
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<imagedata fileref="images/st_offsetcurve02.png" />
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</imageobject>
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<caption><para>-15, 'quad_segs=4 join=round' original line
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and its offset 15 units to the right.</para></caption>
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and its offset -15 units and then a double-offset to get more curvy</para></caption>
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</mediaobject>
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</informalfigure>
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<programlisting>
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SELECT ST_AsText(ST_OffsetCurve(ST_GeomFromText(
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SELECT ST_AsText(ST_OffsetCurve(geom,
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-15, 'quad_segs=4 join=round')) As nosocurvy
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FROM ST_GeomFromText(
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'LINESTRING(164 16,144 16,124 16,104 16,84 16,64 16,
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44 16,24 16,20 16,18 16,17 17,
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16 18,16 20,16 40,16 60,16 80,16 100,
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16 120,16 140,16 160,16 180,16 195)'),
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-15, 'quad_segs=4 join=round'));
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16 120,16 140,16 160,16 180,16 195)') As geom;
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-- output --
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LINESTRING(31 195,31 31,164 31)
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</programlisting>
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