[mapguide-users] RE: RE: RE: Guestion about speedup mapguide,
diferent domainname to mapagent.fcgi.
Kencana
bluesky_dyx at hotmail.com
Fri Mar 2 01:00:52 EST 2007
Hi Traian,
I have make all the layers not visible in the legend. and the filters on the
layer
is not very complex. its just a simple expression. e.g. display symbol where
the id = 3.
I hope you can understand what i mean.
Another question i wanted to ask is, I am not sure is the client pc is the
problem or what coz
some pc can't even see the map while some can.
do you have any idea of this issue?
as for the layer, all the layer are not selectable, but for the tooltip, it
is around 30++ layers.
Thanks
Regards,
Kencana
Traian Stanev wrote:
>
>
> That's a lot of layers. As I said, consider making the layers not
> visible in the legend because it seems like the viewer is requesting
> legend bitmaps for each layer/theme even though there is no visible
> legend.
>
> Are you using filters on the layers, and if yes, how complex are they?
>
> The map is really slow to repaint even when there are very few features
> visible so it must be the queries to FDO that are taking very long
> (which includes whatever MapGuide does per layer in order to set up the
> FDO select command).
>
> How many of the layers are selectable or have a tooltip?
>
> Traian
>
>
>
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kencana
> Sent: Wednesday, February 28, 2007 11:36 PM
> To: mapguide-users at lists.osgeo.org
> Subject: [mapguide-users] RE: RE: Guestion about speedup mapguide,
> diferent domainname to mapagent.fcgi.
>
>
> Hi,
>
> for your information that there are 72 layers used for the map. and I
> didn't
> use any feature join at all.
>
> Thanks
>
> Regards,
> Kencana
>
>
> Traian Stanev wrote:
>>
>> One thing I notice is that whenever I zoom in and the scale range
> changes,
>> the viewer makes many http requests to fetch layer legend images, even
>> though there doesn't seem to be a layer legend in your map. So you
> should
>> look into that.
>>
>> Viewing operations like pan also seem very slow. Hard to tell why
> without
>> knowing where the features are coming from (SHP, SDF, joins?). Also,
> is
>> the coordinate system of the layers the same as that of the map?
>>
>> Traian
>>
>>
>> -----Original Message-----
>> From: mapguide-users-bounces at lists.osgeo.org on behalf of
> Kencana
>> Sent: Wed 2/28/2007 9:44 PM
>> To: mapguide-users at lists.osgeo.org
>> Cc:
>> Subject: [mapguide-users] RE: Guestion about speedup mapguide,
> diferent
>> domainname to mapagent.fcgi.
>>
>>
>>
>>
>> Hi,
>>
>> the following is the url of my map. you can see that the map
> loading is
>> very
>> slow.
>> by the way i am not using map tiled as because the map tiled
> initial view
>> took
>> longer time than the other one.
>> any idea of improving it?
>>
>>
>>
> http://202.172.177.8/mapguide/mapviewerajax/?WEBLAYOUT=Library://Web/YP%
> 20SG%20Trial.WebLayout&LOCALE=en
>>
>> Thank you very much
>>
>> Regards,
>> Kencana
>>
>>
>> JasonBirch wrote:
>> >
>> > Paul wrote:
>> >
>> >> m1.google.com
>> >> m2.google.com
>> >> m3.google.com
>> >> and that each of these resolves to the same IP.
>> >
>> > And that IP address is probably a load balancer... I'm pretty
> sure
>> that
>> > this single IP thing is not part of the performance measures.
>> >
>> > Traian wrote:
>> >
>> >> But then I decided that this can be worked around
>> >> by using a file system mount from the web server
>> >> to the server where the tiles are. I've seen a similar
>> >> thing done on Linux/Apache, not sure if Windows
>> >> could handle such a setup.
>> >
>> > I've done this with IIS (CIFS share) and, while I can confirm
> that it
>> > works, it's a pain to set up and the performance is very poor
> compared
>> to
>> > local filesystem access.
>> >
>> > While this might be a good solution for some situations (like,
> where
>> the
>> > tile servers are behind a firewall?), I think that it would be
> best to
>> > also have the option of being able to set up a local webserver
> on the
>> tile
>> > servers to serve the tiles directly to the clients rather than
> having
>> to
>> > do everything through the web tier server.
>> >
>> > Jason
>> >
>> >
>> > _______________________________________________
>> > mapguide-users mailing list
>> > mapguide-users at lists.osgeo.org
>> > http://lists.osgeo.org/mailman/listinfo/mapguide-users
>> >
>> >
>>
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