[mapguide-users] Modify Scale Ranges Of a Layers

Rajeev Singh rajeev at ipssi.com
Fri Apr 23 02:40:38 EDT 2010


In case you want to have a 'sticky' rememberance (sic) of last view of map
seen by user you could try something similar to what we did:

either at cookie level (or if you ask user to login, then login id) remember
the center and extent - Using javascript you can record this at the back end
whenever view/center is changed. (In our case we created toolbar action).
Then when the session is created the first time, get the information from
cookie and/or login id set the initial center and extent - the best place we
found was in ajaxmappane.templ

hope this helps.


Rajeev K. Singh
IntelliPlanner Software Systems, Inc.
West Windsor, NJ (USA) / New Delhi (India)
+1.609.945.4927 (o) / +1.203.558.3224 (c)
+91.11.4672 6635(o) / +91.995 841 1064(c)
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  -----Original Message-----
  From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org]On Behalf Of Jason Birch
  Sent: 23 April 2010 02:13
  To: MapGuide Users Mail List
  Subject: Re: [mapguide-users] Modify Scale Ranges Of a Layers

  The Session repository only stores resources for as long as the session
exists.  You will need to persist the layer definition somewhere in the
Library repository, and then figure out how to retrieve it next time the
user accesses your application.  Be aware that the anonymous user is not
permitted to write to the Library repository, so your app will need to
authenticate as a different user to do this.


  On 22 April 2010 22:51, SriRam007 wrote:

    I want to keep permanently the modified scale ranges of a layers.

    I already have done By modifing the XML file of Layerdefinition for
    the scale dynamically.
    And it is working fine also. But it exists till the session end. I want
    keep it permanently.

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