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Hello Ravi!<br>
<br>
Thank you for the response. I used to use rwnet from <a class="moz-txt-link-abbreviated" href="http://www.routeware.dk">www.routeware.dk</a>,
a very good commercial routing module for windows. <br>
<br>
<br>
But I also found pgRouting (openSource and part of OpenLBS) available
for postGIS at <a class="moz-txt-link-freetext" href="http://pgrouting.postlbs.org/">http://pgrouting.postlbs.org/</a><br>
it has the ability to do drive-time analyses which can then be
transformed to cartographic representation on maps. <br>
I think this module will be very good for you, especially because it
will give you a good insight on the data model needed to do this
routing so you can prepare a dataset for testing.<br>
<br>
I am trying this routing module out and will post some samples on my
test website soon.<br>
<br>
Please let me know if I can be of assistance!<br>
<br>
<br>
RAVI KUMAR schreef:
<blockquote cite="mid:317343.60634.qm@web60520.mail.yahoo.com"
type="cite">Hi <br>
Quite encouraging, and let me know about the routing<br>
module..<br>
Cheeres<br>
Ravi Kumar<br>
<br>
<b><i>Milo van der Linden <a class="moz-txt-link-rfc2396E" href="mailto:mlinden@zeelandnet.nl"><mlinden@zeelandnet.nl></a></i></b> wrote:
<blockquote class="replbq"
style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">
Hello Ravi,<br>
<br>
I am specialized in this matter. I have developed a system to do all<br>
kind of firebrigade calculations:<br>
<br>
- Area of coverage determined by matching drive times from all the
stations:<br>
<br>
<br>
- Determination of best location for new firestation (dark blue area<br>
being the best suitable location):<br>
<br>
<br>
And more. In order to do good, realistic modeling for firebrigades you<br>
need datasets that have:<br>
- firestation locations<br>
- vehicle types and vehicle start locations<br>
- target locations<br>
- General description on basic firebrigade SLA (minimal requested time<br>
of arrival)<br>
- SLA matched to individual buildings or area's<br>
- target location fire-vehicle needs (for instance with or without
ladder)<br>
- Dispatch time (time needed between the emergency number accepting a<br>
call and dispatching a vehicle)<br>
- Response time (time it takes the crew to get equiped and in the
vehicle)<br>
<br>
And most important of all:<br>
- A road network that is fine-tuned for fire-vehicles (bridges that<br>
can't be crossed, special thru-ways, and so on)<br>
<br>
If you got all this data in place, you need a routing module and prepare<br>
all kind of extra calculations.<br>
<br>
Please let me know if I can help you any further.<br>
<br>
<br>
<br>
<br>
RAVI KUMAR schreef:<br>
> Hi,<br>
> planning to locate fire stations in an urban area.<br>
> 1. Each fire station will have to cover 10 km from its location.<br>
> 2. Other fire stations to be placed to reduce duplication and the<br>
> entire town is<br>
> within -10km- for an emergency call.<br>
><br>
> Please suggest 'postgis query', on a line network of roads for the
town.<br>
><br>
> Cheers<br>
> Ravi Kumar<br>
><br>
>
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-- <br>
<br>
<br>
<br>
<br>
Milo van der Linden<br>
skype: milovanderlinden <skype:milovanderlinden?add><br>
<a class="moz-txt-link-abbreviated" href="mailto:mlinden@zeelandnet.nl">mlinden@zeelandnet.nl</a> <mailto:mlinden@zeelandnet.nl><br>
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<p class="style4">Milo van der Linden
<br>
<a href="skype:milovanderlinden?add">skype: milovanderlinden</a><br>
<a href="mailto:mlinden@zeelandnet.nl">mlinden@zeelandnet.nl</a><br>
<a href="mailto:milovanderlinden@gmail.com">milovanderlinden@gmail.com</a><br>
<a href="mailto:milo@3dsite.nl">milo@3dsite.nl</a><br>
<a href="http://www.3dsite.nl">http://www.3dsite.nl</a><br>
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<p class="style5"><span lang="NL">De informatie in dit bericht
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