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Re: points in a triangle
Posted by: Lenz Grimmer
Date: November 26, 2007 05:32AM

Hi,

Charles Verge Wrote:
-------------------------------------------------------
> Is there a more accurate way to find a point in a
> triangle for mysql other then mbrcontains for
> obtuse triangles ?
>
> As you can see on the google map, mbrcontains does
> not work well in this case
> http://theverge.com/maps/test2.html

Unfortunately not with the implementation as included in the main MySQL releases. However, work is in progress to implement exact spatial functions that don't require MBRs. See http://forge.mysql.com/wiki/GIS_Functions for more info! It would be great if you could give this code a test. Thanks!

Bye,
LenZ

Lenz Grimmer - MySQL Community Relations Manager - http://de.sun.com/
Sun Microsystems GmbH, Sonnenallee 1, 85551 Kirchheim-Heimstetten, DE
Geschaeftsfuehrer: Thomas Schroeder, Wolfgang Engels
Vorsitz d. Aufsichtsrates: Martin Haering AG Muenchen: HRB161028

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