[mapguide-users] RE: wrong Polygon selection

Kenneth, GEOGRAF A/S ks at geograf.dk
Tue Jul 24 03:19:32 EDT 2007


Hi Dihendra.

My experience dictates that pure SDF datasources are generally best.
If you must use MySQL, you can try to build a custom OGR provider with 
MySQL support.
Alternatively, the OGR provider supports Postgres/PostGIS directly.

Regards, Kenneth, GEOGRAF A/S



Dhirendra Kumar skrev:
> Hi Dave,
>
> Please replay me, i am waiting for your suggestion. I want to know that, no
> way to solve wrong polygon selection problem ? if not then which Database
> will be better for MGOS. please help me Co'us my project get stuck due to
> this problem. Please help me. Thankyou in Advance.
>
> Regards,
> Dhirendra Kumar
>
>
> Dave Wilson-3 wrote:
>   
>> This is a known issue with MySQL. MySQL only supports envelope
>> operations so depending on the shape of the polygons selecting one whose
>> border is somewhat diagonal to another may select the wrong polygon.
>>
>> Dave
>>
>> -----Original Message-----
>> From: mapguide-users-bounces at lists.osgeo.org
>> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Dhirendra
>> Kumar
>> Sent: Friday, July 20, 2007 7:04 AM
>> To: mapguide-users at lists.osgeo.org
>> Subject: [mapguide-users] wrong Polygon selection
>>
>>
>> Hi All,
>>
>> I create polygon layer using FDO datasource from MySQL Database, In this
>> layer many polygon, But problem in some polygon when i click on some
>> polygon
>> then another polygon get selected in place of current polygon. Any one
>> have
>> idea about this type of problem, Please help me......... Thankyou in
>> Advance.
>>
>> Regards,
>> Dhirendra Kumar
>> -- 
>> View this message in context:
>> http://www.nabble.com/wrong-Polygon-selection-tf4116919s16610.html#a1170
>> 7763
>> Sent from the MapGuide Users mailing list archive at Nabble.com.
>>
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>>     
>
>   
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