Hi guys,
I intend to develop a j2me lbs application that will
access data from geoserver. My questions are:
1. should the lbs midlet be vector or raster based ?
which spatial data format is the best for an lbs
application.
2. is it possible to use both ? I am targeting midp
2.0 devices.
3. Are there any open source lbs projects available on
the web ?
Thanks,
Roman
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Hi Roman,
I am not exactly
Roman Isitua wrote:
Hi guys,
I intend to develop a j2me lbs application that will
access data from geoserver. My questions are:
1. should the lbs midlet be vector or raster based ?
which spatial data format is the best for an lbs
application.
Do you mean if it should access data via wms or wfs? Without knowing
much i would have to think that wms would be easier. All your
application would have to do is make a wms request, then display that
image. With wfs your application would have to process all the vector
data and render it. More complex.
As for a format, definitely postgis. Perhaps another relational
database...something capable of handling transactions robustly. File
formats are usually not the best for that sort of thing.
2. is it possible to use both ? I am targeting midp
2.0 devices.
I pretty much know nothing about embedded devices... but yes you can use
both wfs and wms at the same time. Probably best to do so as you can
provide a nice base layer with wms.. .and do any stuff that you actually
need attribution for with wfs. If you mean is it possible to server both
raster and vector data the answer is also yes.
3. Are there any open source lbs projects available on
the web ?
You can check out pg_routing... i have seen it been used for doing some
location based routing stuff.
Hope that helps.
-Justin
Thanks,
Roman
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Justin Deoliveira
The Open Planning Project
http://topp.openplans.org
On Nov 15, 2007 1:58 PM, Justin Deoliveira <jdeolive@anonymised.com> wrote:
Hi Roman,
I am not exactly
To be or not to be, that is the question !
gersh
(sorry)
Haha, whoops. Unfinished though... I was going to say:
"I am not exactly an expert on embedded java but here goes:"
-Justin
gershwinou wrote:
On Nov 15, 2007 1:58 PM, Justin Deoliveira <jdeolive@anonymised.com
<mailto:jdeolive@anonymised.com>> wrote:
Hi Roman,
I am not exactly
To be or not to be, that is the question !
gersh
(sorry)
!DSPAM:4007,473c4d7b7011336712104!
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Justin Deoliveira
The Open Planning Project
http://topp.openplans.org
Hi justin,
-
How do I serve both at the sametime ? What will d url look like ?
-
if i am to develop a client to process the data i.e wms and wfs. how will the data be sent ? WMS first then wfs second or what ?
Justin Deoliveira jdeolive@anonymised.com wrote:
Hi Roman,
I am not exactly
Roman Isitua wrote:
Hi guys,
I intend to develop a j2me lbs application that will
access data from geoserver. My questions are:
- should the lbs midlet be vector or raster based ?
which spatial data format is the best for an lbs
application.
Do you mean if it should access data via wms or wfs? Without knowing
much i would have to think that wms would be easier. All your
application would have to do is make a wms request, then display that
image. With wfs your application would have to process all the vector
data and render it. More complex.
As for a format, definitely postgis. Perhaps another relational
database…something capable of handling transactions robustly. File
formats are usually not the best for that sort of thing.
-
is it possible to use both ? I am targeting midp
2.0 devices.
I pretty much know nothing about embedded devices… but yes you can use
both wfs and wms at the same time. Probably best to do so as you can
provide a nice base layer with wms… .and do any stuff that you actually
need attribution for with wfs. If you mean is it possible to server both
raster and vector data the answer is also yes.
-
Are there any open source lbs projects available on
the web ?
You can check out pg_routing… i have seen it been used for doing some
location based routing stuff.
Hope that helps.
-Justin
Thanks,
Roman
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Geoserver-users mailing list
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–
Justin Deoliveira
The Open Planning Project
http://topp.openplans.org
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