[postgis-tickets] [SCM] PostGIS branch master updated. 3.3.0rc2-1147-g1633c5805

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- Log -----------------------------------------------------------------
commit 1633c580582977ef3de8bb029706328173e217cb
Author: Martin Davis <mtnclimb at gmail.com>
Date:   Wed Jul 5 14:00:46 2023 -0700

    Switch doc for ST_Crosses to use math symbols

diff --git a/doc/reference_relationship.xml b/doc/reference_relationship.xml
index 7fdcc8009..d0673725f 100644
--- a/doc/reference_relationship.xml
+++ b/doc/reference_relationship.xml
@@ -609,23 +609,19 @@ SELECT ST_Covers(geog_poly, geog_pt) As poly_covers_pt,
     <title>Description</title>
 
     <para>Compares two geometry objects and
-    returns <varname>true</varname> if their intersection "spatially cross", that is, the
-    geometries have some, but not all interior points in common. The
-    intersection of the interiors of the geometries must be non-empty
+    returns <varname>true</varname> if their intersection "spatially crosses"; 
+    that is, the geometries have some, but not all interior points in common. 
+    The intersection of the interiors of the geometries must be non-empty
     and must have dimension less than the maximum dimension
-    of the two input geometries. Additionally, the intersection of the two
-    geometries must not equal either of the source geometries. Otherwise, it
+    of the two input geometries, and the intersection of the two
+    geometries must not equal either geometry. Otherwise, it
     returns <varname>false</varname>.</para>
 
-    <para>In mathematical terms, this is:</para>
+    <para>In mathematical terms:
+    </para> 	
 
-    <informalfigure>
-    <mediaobject>
-      <imageobject>
-      <imagedata fileref="images/st_crosses-math.png" />
-      </imageobject>
-    </mediaobject>
-    </informalfigure>
+    <para>
+    <emphasis>ST_Crosses(A, B) ⇔ (dim( I(A) ∩ I(B) ) < max( dim(I(A)), dim(I(B)) )) ∧ (a ∩ b ≠ a) ∧ (a ∩ b ≠ b) </emphasis></para>
 
     <para>Geometries cross if their DE-9IM Intersection Matrix matches:</para>
 

-----------------------------------------------------------------------

Summary of changes:
 doc/reference_relationship.xml | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)


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