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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Adrian –<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If you are running a .NET/C# application, that application can –
using ServerXMLHttpRequest calls – make as many requests to a MapServer
CGI as you need to produce a single output page.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I am not suggesting that that’s the best design for your
application. But you started with a very specific question about thread
safety and we’re trying to back up to the broader question of application
design (hence the edit I made to the Subject line), because it seems like that’s
what you are trying to accomplish. If you’d like assistance with
that, then you’ll need to really describe your application in detail.
Your last email with lists of layers, etc. was a good description of your data
(although you didn’t talk about updates and/or update rates). But
you didn’t, for example, describe the situation below.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>There are many users here with expertise in many different sorts
of MapServer applications. But we can’t help if we only have little
bits of information, and if you only send detailed, specific requests for “how
to do it”. If you can take the time to really describe your
application then you will both be in the best position to get advice from users
on this list and we will be able to best use our time by providing information
that’s really useful!<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoListParagraph style='margin-left:29.25pt;text-indent:-.25in;
mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>-<span
style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Ed<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>P.S. It also really helps to include the previous message
history in your replies, so we can all understand the context, and so users who
might now be reading this message (because they didn’t know much about
thread safety but know a lot about application design) will know what’s
going on – thanks.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Ed McNierney<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Chief Mapmaker<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Demand Media / TopoZone.com<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>73 Princeton Street, Suite 305<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>North Chelmsford, MA 01863<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Phone: 978-251-4242, Fax: 978-251-1396<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="mailto:ed@topozone.com"><span style='color:blue'>ed@topozone.com</span></a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> UMN MapServer
Developers List [mailto:MAPSERVER-DEV@LISTS.UMN.EDU] <b>On Behalf Of </b>adrian
kruk<br>
<b>Sent:</b> Wednesday, January 23, 2008 3:07 AM<br>
<b>To:</b> MAPSERVER-DEV@LISTS.UMN.EDU<br>
<b>Subject:</b> Re: [UMN_MAPSERVER-DEV] Is MapServer Thread-safe?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;
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<p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'>My first
reaction is to wonder why you feel you need MapScript (which leads to the whole
issue of thread safety in the first place). I would be inclined to build
your application as I have done others, using the .NET/C# environment to
process Web requests and then compute an appropriate WMS request to render the
map image required. You would use MapServer in simple CGI/WMS mode,
sending HTTP requests for images which you then retrieve in your C# code and
embed in an output page of your design.</span><o:p></o:p></p>
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</blockquote>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
Ok I will give an example of functionality. MapScript has map object, shape
object, layer object, etc. With using these, it is simple to run query in one
layer, get results as shapes and then run query on different layer, create new
layer, then get image, i can store map object in application cache in very simple
way, etc, etc. <br>
It is possible in CGI/WMS? If it is tell me how to do it.<br>
<br>
<br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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