From: Regina Obe Date: Fri, 11 Sep 2009 21:24:34 +0000 (+0000) Subject: add new st_linecrossing graphic, experiment with new style, put in informal table X-Git-Tag: 1.5.0b1~518 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c8f1179ea2f9e7134f42c8d664a7773d9ccd053e;p=postgis add new st_linecrossing graphic, experiment with new style, put in informal table git-svn-id: http://svn.osgeo.org/postgis/trunk@4484 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/doc/html/image_src/Makefile.in b/doc/html/image_src/Makefile.in index c876736cf..80cb4d440 100644 --- a/doc/html/image_src/Makefile.in +++ b/doc/html/image_src/Makefile.in @@ -59,6 +59,7 @@ IMAGES= \ ../images/st_isvalid07.png \ ../images/st_isvalid08.png \ ../images/st_linecrossingdirection01.png \ + ../images/st_linecrossingdirection02.png \ ../images/st_line_interpolate_point01.png \ ../images/st_line_substring01.png \ ../images/st_minimumboundingcircle01.png \ diff --git a/doc/html/image_src/st_linecrossingdirection01.wkt b/doc/html/image_src/st_linecrossingdirection01.wkt index af93732d7..4ce016b8f 100644 --- a/doc/html/image_src/st_linecrossingdirection01.wkt +++ b/doc/html/image_src/st_linecrossingdirection01.wkt @@ -1,3 +1,2 @@ -Style2;LINESTRING(25 169,89 114,40 70,86 43) -Style2;GEOMETRYCOLLECTION(POINT(25 169),POLYGON((80.84 41.66,84.66 48.16,86 43,80.84 41.66)) ) +Style2;GEOMETRYCOLLECTION(LINESTRING(25 169,89 114,40 70,86 43), POINT(25 169),POLYGON((78.26 40.98,83.98 50.74,86 43,78.26 40.98)) ) Style1-thinline;GEOMETRYCOLLECTION(LINESTRING(171 154,20 140,71 74,161 53),POINT(171 154),POLYGON((153.15 48.12,156.12 60.85,161 53,153.15 48.12)) ) diff --git a/doc/html/image_src/st_linecrossingdirection02.wkt b/doc/html/image_src/st_linecrossingdirection02.wkt index c7f03eaa6..e094292dc 100644 --- a/doc/html/image_src/st_linecrossingdirection02.wkt +++ b/doc/html/image_src/st_linecrossingdirection02.wkt @@ -1,3 +1,2 @@ -Style2;LINESTRING(25 169,89 114,40 70,86 43) -Style2;GEOMETRYCOLLECTION(POINT(25 169),POLYGON((80.84 41.66,84.66 48.16,86 43,80.84 41.66)) ) -Style1-thinline;GEOMETRYCOLLECTION(LINESTRING(171 154, 20 140, 71 74, 2.99 90.16),POINT(171 154),POLYGON((153.15 48.12,156.12 60.85,161 53,153.15 48.12)) ) +Style2-thinline;GEOMETRYCOLLECTION(LINESTRING(25 169,89 114,40 70,86 43), POINT(25 169), POLYGON((80.84 41.66,84.66 48.16,86 43,80.84 41.66)) ) +Style1-thinline;GEOMETRYCOLLECTION(LINESTRING(171 154, 20 140, 71 74, 2.99 90.16),POINT(171 154),POLYGON((6.66 84.21,2.99 90.16,8.94 93.83,6.66 84.21)) ) diff --git a/doc/html/image_src/styles.conf b/doc/html/image_src/styles.conf index 423bd549c..6d8ffc983 100644 --- a/doc/html/image_src/styles.conf +++ b/doc/html/image_src/styles.conf @@ -1,7 +1,7 @@ # This file describes the styles used to render the png images # The styleName attribute for every style should be unique. # -# To use a style, prefix the wkt string with the styleName; i.e. +# To use a style, prefix the wkt string with the styleName; i.e. # Style1;POINT(50 50) # # convert -list color @@ -51,3 +51,13 @@ polygonFillColor = DarkSeaGreen4 polygonStrokeColor = DarkGreen polygonStrokeWidth = 0 +[Style] +# The second layer in the rendered WKT image +styleName = Style2-thinline +pointSize = 6 +pointColor = DarkSeaGreen4 +lineWidth = 3 +lineColor = DarkSeaGreen4 +polygonFillColor = DarkSeaGreen4 +polygonStrokeColor = DarkGreen +polygonStrokeWidth = 0 diff --git a/doc/reference.xml b/doc/reference.xml index b38996246..8852434c3 100644 --- a/doc/reference.xml +++ b/doc/reference.xml @@ -9677,38 +9677,63 @@ WHERE ST_Crosses(roads.the_geom, highways.the_geom); Examples - - - - - - Line 1 fat line, Line 2 thin line, ball is start point, + + + + + + + + + + Line 1 (green), Line 2 ball is start point, triangle are end points. Query below. - - -SELECT ST_LineCrossingDirection(foo.line1, foo.line2) As l1_cross_l2 , + + + +SELECT ST_LineCrossingDirection(foo.line1, foo.line2) As l1_cross_l2 , ST_LineCrossingDirection(foo.line2, foo.line1) As l2_cross_l1 -FROM (SELECT +FROM (SELECT ST_GeomFromText('LINESTRING(25 169,89 114,40 70,86 43)') As line1, - ST_GeomFromText('LINESTRING(171 154,20 140,71 74,161 53)') As line2 + ST_GeomFromText('LINESTRING(171 154,20 140,71 74,161 53)') As line2 ) As foo; l1_cross_l2 | l2_cross_l1 -------------+------------- 3 | -3 - - -SELECT ST_LineCrossingDirection(foo.line1, foo.line2) As l1_cross_l2 , + + + + + + + + + + + Line 1 (green), Line 2 ball is start point, + triangle are end points. Query below. + + + +SELECT ST_LineCrossingDirection(foo.line1, foo.line2) As l1_cross_l2 , ST_LineCrossingDirection(foo.line2, foo.line1) As l2_cross_l1 -FROM (SELECT +FROM (SELECT ST_GeomFromText('LINESTRING(25 169,89 114,40 70,86 43)') As line1, ST_GeomFromText('LINESTRING (171 154, 20 140, 71 74, 2.99 90.16)') As line2 ) As foo; - l1_cross_l2 | l2_cross_l1 + l1_cross_l2 | l2_cross_l1 -------------+------------- - 2 | -3 - + 2 | -3 + + + + + + + + SELECT s1.gid, s2.gid, ST_LineCrossingDirection(s1.the_geom, s2.the_geom) FROM streets s1 CROSS JOIN streets s2 ON (s1.gid != s2.gid AND s1.the_geom && s2.the_geom )