[Mapserver-users] Loading data from another server

Jeff L. nf10 at hotmail.com
Wed Aug 27 15:29:48 EDT 2003 

It sounds not that easy in this case, as it seems that there is no example 
how to upload shape data
from a web server using an url (or another mean).


>From: "Lowell Filak"<lfilak at medinaco.org>
>To: "Jeff L." <nf10 at hotmail.com>, lfilak at medinaco.org,   
>David.Fawcett at state.mn.us, mapserver-users at lists.gis.umn.edu
>Subject: RE: [Mapserver-users] Loading data from another server
>Date: Wed, 27 Aug 2003 15:11:55 -0400
>
>If I understand correctly you could then do something like:
>"wget -O data.shp http://www.myDataServer.com/data"
>and set SHAPEPATH to data.shp .
>It's not quite that easy because because for the shape example you would
>need to request shx & dbf also or if they are all shipped together in
>the stream they would need broken apart.
>In MapScript you could theoretically store the resulting data past in
>via the URL in a variable and use that for the $layer->{data} without
>requiring an intermediate file.
>Lowell
>
>The following message was sent by "Jeff L." <nf10 at hotmail.com> on Wed,
>27 Aug 2003 19:00:44 +0000.
>
> >
> >
> > Sorry about that: i meant by storage back end a web server directory
>where
> > the data are stored.
> > Yes the data need to be pulled by an url. Example:
> > www.myDataServer.com/data
> >
> > Jeff
> >
> > >From: "Lowell Filak"<lfilak at medinaco.org>
> > >To: "Jeff L." <nf10 at hotmail.com>, David.Fawcett at state.mn.us,
> > >lfilak at medinaco.org, mapserver-users at lists.gis.umn.edu
> > >Subject: RE: [Mapserver-users] Loading data from another server
> > >Date: Wed, 27 Aug 2003 14:57:56 -0400
> > >
> > >What type of storage back end is it?
> > >I'm confused as you mentioned earlier that the data could be pulled
> > >through a URL.
> > >Lowell
> > >
> > >The following message was sent by "Jeff L." <nf10 at hotmail.com> on Wed,
> > >27 Aug 2003 18:50:59 +0000.
> > >
> > > > Hi David,
> > > >
> > > > For a start i'm trying to run the demo, but once i have the demo
> > >running, i
> > > > would try something more elaborated.
> > > >
> > > > The option 2 sounds good by having the WMS. But it's seems that the
> > >server
> > > > hosting the data have to run also MapServ. My remote server has no
> > >business
> > > > intelligence, only a storage back end for the data.
> > > >
> > > > Any example would be more than welcome.
> > > >
> > > > Jeff
> > > >
> > > >
> > > > >From: "Fawcett, David" <David.Fawcett at state.mn.us>
> > > > >To: lfilak at medinaco.org,    mapserver-users at lists.gis.umn.edu,
> > >"'Jeff
> > > > >L.'" <nf10 at hotmail.com>
> > > > >Subject: RE: [Mapserver-users] Loading data from another server
> > > > >Date: Wed, 27 Aug 2003 13:41:06 -0500
> > > > >
> > > > >As Lowell said below, you have two options:
> > > > >
> > > > >1.  To access the data directly, you have to configure your
>server(s)
> > >so
> > > > >that you can 'see' it as a directory in a path on your machine.
> > >SHAPEPATH
> > > > >has to be a valid path (not URL).
> > > > >
> > > > >I think that the key here is that based on the hardware and 
>software
> > > > >platform and security scheme you are utilizing, you need to figure
> > >out how
> > > > >to map/mount/access a remote drive.  This is more a question for 
>your
> > >admin
> > > > >than this list.
> > > > >
> > > > >2.  You can set up a WMS server using MapServer, which I haven't
> > >done, but
> > > > >I understand isn't that hard.  Depending on the data that you
>need, you
> > > > >could also potentially hit an existing WMS server that contains the
> > >data.
> > > > >
> > > > >Heck, if this is just for a demo, you could possibly put the data 
>on
> > >a CD
> > > > >and point your SHAPEPATH to a folder on the CD.
> > > > >
> > > > >I think that the key here is that based on the hardware and 
>software
> > > > >platform you are utilizing, you need to figure out how to
> > >map/mount/access
> > > > >
> > > > > > ----------
> > > > > > From: 	Jeff L.[SMTP:nf10 at hotmail.com]
> > > > > > Sent: 	Wednesday, August 27, 2003 1:03 PM
> > > > > > To: 	lfilak at medinaco.org; mapserver-users at lists.gis.umn.edu
> > > > > > Subject: 	Re: [Mapserver-users] Loading data from another server
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I went through the documentation "WMS client and WMS server",
> > >however
> > > > >it's
> > > > > > seems that server location of the data have to have mapserver
> > >installed.
> > > > >I
> > > > > > might be wrong. And also there is no suggestion about
>replacing the
> > > > > > "SHAPEPATH".
> > > > > >
> > > > > > My need is to run the demonstration project, but by decoupling 
>the
> > >data
> > > > >from
> > > > > > the application.
> > > > > > I can run the demo fine if every is installed in the same 
>server.
> > >Now i
> > > > > > moved the shape data to another web server and want to be able 
>to
> > >run
> > > > >the
> > > > > > demonstration.
> > > > > >
> > > > > > My understanding is that i would be able to that by making
> > >modifications
> > > > >to
> > > > > > the .map file only. I guess i was wrong.
> > > > > >
> > > > > > If there is any example, how to run the demo (or another 
>project)
> > >using
> > > > > > remote data, that would be great.
> > > > > >
> > > > > > Jeff Lacoste
> > > > > >
> > > > > >
> > > > > > >From: "Lowell Filak"<lfilak at medinaco.org>
> > > > > > >To: "Jeff L." <nf10 at hotmail.com>, lfilak at medinaco.org,
> > > > > > >mapserver-users at lists.gis.umn.edu
> > > > > > >Subject: Re: [Mapserver-users] Loading data from another server
> > > > > > >Date: Wed, 27 Aug 2003 12:47:27 -0400
> > > > > > >
> > > > > > >http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?WMSMapServer
> > > > > > >http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?WFSMapServer
> > > > > > >HTH
> > > > > > >Lowell
> > > > > > >
> > > > > > >The following message was sent by "Jeff L." <nf10 at hotmail.com> 
>on
> > >Wed,
> > > > > > >27 Aug 2003 16:11:35 +0000.
> > > > > > >
> > > > > > > > Thanks Lowel for your answer. Could you please point me to 
>how
> > >to do
> > > > > > >that ?
> > > > > > > > a document or an url about accessing remote data would be
>great.
> > > > > > > >
> > > > > > > > Jeff Lacoste
> > > > > > > >
> > > > > > > >
> > > > > > > > >From: "Lowell Filak"<lfilak at medinaco.org>
> > > > > > > > >To: "Jeff L." <nf10 at hotmail.com>,
> > >mapserver-users at lists.gis.umn.edu
> > > > > > > > >Subject: Re: [Mapserver-users] Loading data from another
>server
> > > > > > > > >Date: Wed, 27 Aug 2003 12:05:50 -0400
> > > > > > > > >
> > > > > > > > >That format for accessing data requires that the data looks
> > >like a
> > > > > > >local
> > > > > > > > >file whether it is network mounted or etc.
> > > > > > > > >There is also an option of reading data in a WMS or WFS
>fashion
> > > > >from a
> > > > > > > > >remote source.
> > > > > > > > >HTH
> > > > > > > > >Lowell
> > > > > > > > >
> > > > > > > > >The following message was sent by "Jeff L."
> > ><nf10 at hotmail.com> on
> > > > >Wed,
> > > > > > > > >27 Aug 2003 15:12:32 +0000.
> > > > > > > > >
> > > > > > > > > > Hi,
> > > > > > > > > >
> > > > > > > > > > I was wondering if the location of data used in 
>MapServer
> > >can be
> > > > >a
> > > > > > > > >different
> > > > > > > > > > location from the one where MapServer is running.
> > > > > > > > > >
> > > > > > > > > > I would like to run the MapServer in a server pointing 
>to
> > >data
> > > > >in
> > > > > > > > >another
> > > > > > > > > > server. I tried to change this tag in the .map file:
> > > > > > > > > >
> > > > > > > > > > SHAPEPATH "http://www.MyServer.com/data/"
> > > > > > > > > >
> > > > > > > > > > There was an error:
> > > > > > > > > > msOpenSHPFile(): Unable to access file. (MyLayerData)
> > > > > > > > > >
> > > > > > > > > > My data do exist in the "http://www.MyServer.com/data/"
> > > > >location.
> > > > > > > > > >>
> > > > > > > > > > I'm using MapServer 3.6.
> > > > > > > > > >
> > > > > > > > > > Thanks,
> > > > > > > > > >
> > > > > > > > > > Jeff Lacoste
> > > > > > > > > >
> > > > > > > > > >
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