[mapguide-users] DWF Viewer App

[Walt Welton-Lair]

The MapGuide DWF Viewer surround requires being connected, just like
AJAX.  You are viewing a dynamic EMap DWF - every time you change the
view you request an updated map from the server.  Changing the search to
call back to the server does not break anything.
 
For the disconnected case you create EPlot DWFs.  These contain static
data and do not require a server connection.  A disadvantage is that the
MapGuide surround doesn't work with these EPlots.

  _____  

From: Chris Tallman [mailto:ctallman at innomap.com] 
Sent: Wednesday, November 22, 2006 1:04 PM
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] DWF Viewer App


Ok we are using .net for our development.  Juan I think your solution
might be the best at this time, it would definitely get me around the
bug that Andrew talked about.  Walt if the DWF Viewer surround had to
request the zoom extent from the server that would defeat the use of the
disconnected environment.
 
Chris

  _____  

From: Walt Welton-Lair [mailto:walt.welton-lair at autodesk.com] 
Sent: Tuesday, November 21, 2006 5:37 PM
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] DWF Viewer App


Seems like the right thing to do then is to have the DWF Viewer surround
also go to the server to find the correct extent to zoom to.

	-----Original Message----- 
	From: Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca] 
	Sent: Tue 11/21/2006 10:39 PM 
	To: users at mapguide.osgeo.org 
	Cc: 
	Subject: Re: [mapguide-users] DWF Viewer App
	
	

	I had thought there was an artifact for it (which is why I
didn't add it
	myself)...but I dont' see it.
	
	Andrew
	
	
	Alain Lebatard wrote:
	>
	> The reason for the DWF search problem is that the viewer
surround uses
	> the DWF viewer API to select or zoom to a feature, but the
viewer only
	> knows about the features that are in the visible extent of the
map.
	> The AJAX viewer doesn't have this problem because since it
virtually
	> doesn't know anything about the features displayed, it has to
	> systematically go to the server to perform selection or zoom.
	>
	> I remember that bug from before MapGuide shipped. We probably
didn't
	> fix it then for lack of time, but I think there is an artifact
logged
	> for it.
	>
	> Alain
	>
	>
------------------------------------------------------------------------
	>
	> *From:* Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca]
	> *Sent:* Tuesday, November 21, 2006 12:46 PM
	> *To:* users at mapguide.osgeo.org
	> *Subject:* Re: [mapguide-users] DWF Viewer App
	>
	> I mainly use the DWF viewer (still not a fan of the AJAX
one...I miss
	> the quick panning and zooming with my mouse wheel too much!),
but my
	> app supports both (the user is sent to the right one according
to a
	> browser check)...I don't know about searching offline, but I
can
	> certainly tell you that you can search dwf features just the
same. I'm
	> using the search tool from MapGuide Studio.
	>
	> It works fine, except for 1 serious bug.....Say you're zoomed
in so
	> that not all features of your map are visible (some are
outside your
	> extents)...If you then search for features, you'll get a list.
Click
	> on the item you want, and you're supposed to be taken to that
feature
	> (the map is meant to center on that feature)......in dwf
viewer, this
	> wouldn't work. It ONLY works in the dwf viewer if the thing
that you
	> clicked on (from the list) is already on the screen somewhere.
	>
	> If you can live with this bug, then likely all you have to do
is
	> modify your URL. I've done almost all of my project with
MapGuide
	> Studio, and have set it up to work with either viewer....all I
have to
	> do to switch viewers is to change "mapviewerdwf" in my url to
	> "mapviewerajax".
	>
	> Hope that helps!
	>
	>
	> Andrew
	>
	>
	>
	> Chris Tallman wrote:
	>
	> I know the DWF Viewer app is not very popular right now
because it
	> requires an install. However, we are working on an app for EMS
in
	> vehicle mapping. I need to be able to search for an address in
the DWF
	> map while its disconnected from the internet or network. Has
anyone
	> messed with this? Is it even possible to search features in
the DWF
	> Map? I have a feature source that has the addresses, and I've
written
	> an app to search the map if I'm using the AJAX viewer, now I
need that
	> same functionality in the DWF viewer. If anyone has an idea on
how to
	> do this I am all ears.
	>
	> Thanks,
	>
	>
	> **Chris Tallman**
	> 260.356.9074
	>
	> --
	>
	>      
	>
	> *Andrew DeMerchant*
	> *Computer Technologist*
	> ph.1-877-2GEMTEC x.163
	> fax 506-453-9470
	>
	> /GEMTEC Limited <http://www.gemtec.ca>
	> /191 Doak Road
	> Fredericton, NB, Canada
	> E3C 2E6
	>
	
	
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