Author: paul
Date: 2007-04-10 18:45:53 +0200 (Tue, 10 Apr 2007)
New Revision: 5804
Log:
r23077@polar: paul | 2007-04-10 11:01:40 -0500
Clarify meaning of some spatial functions.
Modified:
trunk/refman-4.1/spatial-extensions.xml
trunk/refman-5.0/spatial-extensions.xml
trunk/refman-5.1/spatial-extensions.xml
Property changes on: trunk
___________________________________________________________________
Name: svk:merge
- 4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:23076
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:18854
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:14593
+ 4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:23077
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:18854
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:14593
Modified: trunk/refman-4.1/spatial-extensions.xml
===================================================================
--- trunk/refman-4.1/spatial-extensions.xml 2007-04-10 16:45:01 UTC (rev 5803)
+++ trunk/refman-4.1/spatial-extensions.xml 2007-04-10 16:45:53 UTC (rev 5804)
Changed blocks: 7, Lines Added: 37, Lines Deleted: 20; 4709 bytes
@@ -4325,6 +4325,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> contains the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4430,7 +4432,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> overlap.
+ <replaceable>g2</replaceable> overlap. The term
+ <emphasis>spatially overlaps</emphasis> is used if two
+ geometries intersect and their intersection results in a
+ geometry of the same dimension but not equal to either of
+ the given geometries.
</para>
<remark role="help-description-end"/>
@@ -4453,7 +4459,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> touch.
+ <replaceable>g2</replaceable> touch. Two geometries
+ <emphasis>spatially touch</emphasis> if the interiors of the
+ geometries do not intersect, but the boundary of one of the
+ geometries intersects either the boundary or the interior of
+ the other.
</para>
<remark role="help-description-end"/>
@@ -4476,6 +4486,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> is within the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4509,26 +4521,29 @@
</para>
<para>
- Currently, MySQL does not implement these functions according to
- the specification. Those that are implemented return the same
- result as the corresponding MBR-based functions. This includes
- functions in the following list other than
- <literal>Distance()</literal> and <literal>Related()</literal>.
+ The return values 1 and 0 indicate true and false, respectively.
</para>
- <remark role="note">
- Crosses() is an exception here: It exists but MBRCrosses() does
- not.
- </remark>
+ <note>
+ <para>
+ Currently, MySQL does not implement these functions according
+ to the specification. Those that are implemented return the
+ same result as the corresponding MBR-based functions. This
+ includes functions in the following list other than
+ <literal>Distance()</literal> and
+ <literal>Related()</literal>.
+ </para>
- <para>
- These functions may be implemented in future releases with full
- support for spatial analysis, not just MBR-based support.
- </para>
+ <remark role="note">
+ Crosses() is an exception here: It exists but MBRCrosses()
+ does not.
+ </remark>
- <para>
- The return values 1 and 0 indicate true and false, respectively.
- </para>
+ <para>
+ These functions may be implemented in future releases with
+ full support for spatial analysis, not just MBR-based support.
+ </para>
+ </note>
<remark role="help-category" condition="Geometry relations@Geographic Features"/>
@@ -4550,7 +4565,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> completely contains
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Within()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4791,7 +4807,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> is spatially within
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Contains()</literal>.
</para>
<remark role="help-description-end"/>
Modified: trunk/refman-5.0/spatial-extensions.xml
===================================================================
--- trunk/refman-5.0/spatial-extensions.xml 2007-04-10 16:45:01 UTC (rev 5803)
+++ trunk/refman-5.0/spatial-extensions.xml 2007-04-10 16:45:53 UTC (rev 5804)
Changed blocks: 7, Lines Added: 37, Lines Deleted: 20; 4709 bytes
@@ -4341,6 +4341,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> contains the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4446,7 +4448,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> overlap.
+ <replaceable>g2</replaceable> overlap. The term
+ <emphasis>spatially overlaps</emphasis> is used if two
+ geometries intersect and their intersection results in a
+ geometry of the same dimension but not equal to either of
+ the given geometries.
</para>
<remark role="help-description-end"/>
@@ -4469,7 +4475,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> touch.
+ <replaceable>g2</replaceable> touch. Two geometries
+ <emphasis>spatially touch</emphasis> if the interiors of the
+ geometries do not intersect, but the boundary of one of the
+ geometries intersects either the boundary or the interior of
+ the other.
</para>
<remark role="help-description-end"/>
@@ -4492,6 +4502,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> is within the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4525,26 +4537,29 @@
</para>
<para>
- Currently, MySQL does not implement these functions according to
- the specification. Those that are implemented return the same
- result as the corresponding MBR-based functions. This includes
- functions in the following list other than
- <literal>Distance()</literal> and <literal>Related()</literal>.
+ The return values 1 and 0 indicate true and false, respectively.
</para>
- <remark role="note">
- Crosses() is an exception here: It exists but MBRCrosses() does
- not.
- </remark>
+ <note>
+ <para>
+ Currently, MySQL does not implement these functions according
+ to the specification. Those that are implemented return the
+ same result as the corresponding MBR-based functions. This
+ includes functions in the following list other than
+ <literal>Distance()</literal> and
+ <literal>Related()</literal>.
+ </para>
- <para>
- These functions may be implemented in future releases with full
- support for spatial analysis, not just MBR-based support.
- </para>
+ <remark role="note">
+ Crosses() is an exception here: It exists but MBRCrosses()
+ does not.
+ </remark>
- <para>
- The return values 1 and 0 indicate true and false, respectively.
- </para>
+ <para>
+ These functions may be implemented in future releases with
+ full support for spatial analysis, not just MBR-based support.
+ </para>
+ </note>
<remark role="help-category" condition="Geometry relations@Geographic Features"/>
@@ -4566,7 +4581,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> completely contains
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Within()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4807,7 +4823,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> is spatially within
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Contains()</literal>.
</para>
<remark role="help-description-end"/>
Modified: trunk/refman-5.1/spatial-extensions.xml
===================================================================
--- trunk/refman-5.1/spatial-extensions.xml 2007-04-10 16:45:01 UTC (rev 5803)
+++ trunk/refman-5.1/spatial-extensions.xml 2007-04-10 16:45:53 UTC (rev 5804)
Changed blocks: 7, Lines Added: 37, Lines Deleted: 20; 4709 bytes
@@ -4337,6 +4337,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> contains the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4442,7 +4444,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> overlap.
+ <replaceable>g2</replaceable> overlap. The term
+ <emphasis>spatially overlaps</emphasis> is used if two
+ geometries intersect and their intersection results in a
+ geometry of the same dimension but not equal to either of
+ the given geometries.
</para>
<remark role="help-description-end"/>
@@ -4465,7 +4471,11 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangles of the two geometries
<replaceable>g1</replaceable> and
- <replaceable>g2</replaceable> touch.
+ <replaceable>g2</replaceable> touch. Two geometries
+ <emphasis>spatially touch</emphasis> if the interiors of the
+ geometries do not intersect, but the boundary of one of the
+ geometries intersects either the boundary or the interior of
+ the other.
</para>
<remark role="help-description-end"/>
@@ -4488,6 +4498,8 @@
Returns 1 or 0 to indicate whether the Minimum Bounding
Rectangle of <replaceable>g1</replaceable> is within the
Minimum Bounding Rectangle of <replaceable>g2</replaceable>.
+ This tests the opposite relationship as
+ <literal>MBRWithin()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4521,26 +4533,29 @@
</para>
<para>
- Currently, MySQL does not implement these functions according to
- the specification. Those that are implemented return the same
- result as the corresponding MBR-based functions. This includes
- functions in the following list other than
- <literal>Distance()</literal> and <literal>Related()</literal>.
+ The return values 1 and 0 indicate true and false, respectively.
</para>
- <remark role="note">
- Crosses() is an exception here: It exists but MBRCrosses() does
- not.
- </remark>
+ <note>
+ <para>
+ Currently, MySQL does not implement these functions according
+ to the specification. Those that are implemented return the
+ same result as the corresponding MBR-based functions. This
+ includes functions in the following list other than
+ <literal>Distance()</literal> and
+ <literal>Related()</literal>.
+ </para>
- <para>
- These functions may be implemented in future releases with full
- support for spatial analysis, not just MBR-based support.
- </para>
+ <remark role="note">
+ Crosses() is an exception here: It exists but MBRCrosses()
+ does not.
+ </remark>
- <para>
- The return values 1 and 0 indicate true and false, respectively.
- </para>
+ <para>
+ These functions may be implemented in future releases with
+ full support for spatial analysis, not just MBR-based support.
+ </para>
+ </note>
<remark role="help-category" condition="Geometry relations@Geographic Features"/>
@@ -4562,7 +4577,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> completely contains
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Within()</literal>.
</para>
<remark role="help-description-end"/>
@@ -4803,7 +4819,8 @@
<para>
Returns 1 or 0 to indicate whether
<replaceable>g1</replaceable> is spatially within
- <replaceable>g2</replaceable>.
+ <replaceable>g2</replaceable>. This tests the opposite
+ relationship as <literal>Contains()</literal>.
</para>
<remark role="help-description-end"/>
| Thread |
|---|
| • svn commit - mysqldoc@docsrva: r5804 - in trunk: . refman-4.1 refman-5.0 refman-5.1 | paul | 10 Apr |
