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GIS | Forum profile

Forum profile page for GIS on http://www.mysql.com. This report page is the aggregated overview from a single forum: GIS, located on the Message Board at http://www.mysql.com. This forum profile page summarizes the general forum statistics such as: Users Activity, Forum Activity, and Top Authors, which are reported in either a table or graph below for a given reporting time period. Additional forum profile information for "GIS" on the Message Board at http://www.mysql.com is also shown in the following ways:

1) Latest Active Threads
2) Hot Threads for Last Week

Warning: These statistics are generated using 'best efforts' and can experience delays and reporting errors at times. Please note that such statistics do not constitute a forum's popularity and/or exact posting volumes at any given reporting period.

Site: MySQL AB - MySQL Forums - GIS (site profile, domain info mysql.com)
Title: GIS
Url: http://forums.mysql.com/list.php?23
Users activity: 15 post per thread
Forum activity: 0 active threads during last week
 

Posting activity on GIS:

  Week Month 3 Months
Threads: 0 4 17
Post: 0 7 25
 

GIS Posting activity graph:

Posts by:  day  week  month 

Top authors during last week:

No active authors during last week.

 

Latest active threads on GIS::

MySQL AB - MySQL Forums
Started 3 weeks, 3 days ago (2009-10-21 11:45:00)  by Hartmut Holzgraefe
Have you checked the examples on http://dev.mysql.com/doc/refman/5.1/en/geometry-pr operty-functions.html#polygon-property-functions ? It all comes down to GeomFromText('Polygon((...))'); with ... being one or more closed loop LINESTRING definitions. The examples on the page above use a MULTIPOLYGON consisting of two triangles: 'Polygon((0 0,0 3,3 0,0 0...
Thread:  Show this thread (2 posts)   Thread info: Re: example function Polygon Size: 974 bytes
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MySQL AB - MySQL Forums
Started 3 weeks, 4 days ago (2009-10-20 03:13:00)  by Daniel Blackhurst
Hi, I am interested in designing a Geocoded Location Cache. At present we perform a look up for every position from an external source which is proving to be extremely restrictive and costly. All the locations are stored in the database as gpsPosition >> lat lng geocodedLocationId. I was thinking of either using QuadTrees in java to build its own cache or indexing the latitude and ...
Thread:  Show this thread (3 posts)   Thread info: Reverse Geocoder Cache Size: 1,099 bytes
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MySQL AB - MySQL Forums
Started 1 month, 1 week ago (2009-10-07 00:32:00)  by Hartmut Holzgraefe
Contains() is currently just an alias to MBRContains(), see the first note on http://dev.mysql.com/doc/refman/5.1/en/functions-t hat-test-spatial-relationships-between-geometries. html and the section on MBRContains(), which has a usage example, on http://dev.mysql.com/doc/refman/5.1/en/relations-o n-geometry-mbr.html If you are looking for an equivalent to the MS SQL ...
Thread:  Show this thread (2 posts)   Thread info: Re: function CONTAINS() Size: 1,155 bytes
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MySQL AB - MySQL Forums
Started 2 months, 2 weeks ago (2009-08-26 04:31:00)  by Sergei Golubchik
if you think you have found a bug (and index corruption usually qualifies as a bug) please report it on bugs.mysql.com, our bug tracker. Otherwise it has a good chance of go unnoticed and not fixed.
Thread:  Show this thread (3 posts)   Thread info: Re: myisamchk -n corrupts spatial index? Size: 198 bytes
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MySQL AB - MySQL Forums
Started 2 months, 3 weeks ago (2009-08-20 02:52:00)  by Hartmut Holzgraefe
The current GIS implementation does not support more than 2 dimensions. Future versions may include 3D support, the current development target is full OpenGIS compliance though which only requires 2D though, so 3D is not a high priority target yet ... -- Hartmut Holzgraefe, MySQL Regional Support Manager EMEA Sun Microsystems GmbH, Sonnenallee 1, 85551 Kirchheim-Heimstetten ...
Thread:  Show this thread (5 posts)   Thread info: Re: n-dimensional spatial data Size: 626 bytes
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MySQL AB - MySQL Forums
Started 2 months, 3 weeks ago (2009-08-19 05:37:00)  by Lenz Grimmer
Hi, James Allen Wrote: ------------------------------------------------- ------ > I am trying to add a spatial index to a table > column named Location of type BLOB. If I try > this: > > ALTER TABLE route ADD SPATIAL > INDEX(Location); > > I get: > > #Error: BLOB/TEXT column 'Location' used in key > specification without a key length > > But in the ...
Thread:  Show this thread (2 posts)   Thread info: Re: Create spatial index on BLOB column? Size: 4,416 bytes
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Hot threads for last week on GIS::

No active threads for last week.