[ka-Map-users] Is there any way to show a lot of moving gps?

Paul Spencer pspencer at dmsolutions.ca
Thu Apr 20 13:49:52 EDT 2006


I believe so but I haven't used it myself.  Please use the list as  
other developers may have more insight.

Cheers

Paul

On 20-Apr-06, at 1:19 PM, 邵今(南京吉美思) wrote:

> thanks , I have noticed those meta-data.
> I think I should make a gps layer as
> tile_source=nocache
>
> is it right?
>
> On 21/04/06, Paul Spencer < pspencer at dmsolutions.ca> wrote:Hi,
>
> there are some interesting options to have tiles generated without
> caching using meta-data in the map file to control which layers are
> cached and which are not (allowing you to have base layers that are
> cached and a gps layer that isn't).
>
> You can find details in the wiki:
>
> http://ka-map.ominiverdi.org/wiki/index.php/Main_Page
>
> http://ka-map.ominiverdi.org/wiki/index.php/
> Setting_metadata_in_the_mapfile
>
> In addition, you will likely want to do some custom coding to refresh
> the layer periodically.
>
> Cheers
>
> Paul
>
> On 20-Apr-06, at 12:09 PM, 邵今(南京吉美思) wrote:
>
> > I have an project to show many moving gps (count >1k)
> > if I use kaMap.addObjectGeo to show them , the speed will be slow
> >
> > but if I use MapServer's VRT table from mysql to show them ,how can
> > i update the cache to show that they are moving?
> > _______________________________________________
> > ka-Map-users mailing list
> > ka-Map-users at lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/ka-map-users
>
> +-----------------------------------------------------------------+
> |Paul Spencer                           pspencer at dmsolutions.ca   |
> +-----------------------------------------------------------------+
> |Applications & Software Development                              |
> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
> +-----------------------------------------------------------------+
>
>
>
>
>
>
>
> -- 
> 邵今
> 南大紫金集团
> 南京吉美思系统集成有限公司
> 地址:南京市石鼓路107号9楼
> 邮编:210004
> 电话:025-84462557-8002
> 传真:025-84462529-8008
> 手机:13851475278
> 电子信箱:shaojin88 at gmail.com
> 主页:http://www.gmistech.com

+-----------------------------------------------------------------+
|Paul Spencer                           pspencer at dmsolutions.ca   |
+-----------------------------------------------------------------+
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+







More information about the ka-Map-users mailing list