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<DIV dir=ltr align=left><SPAN class=296494923-07122006><FONT face=Arial
color=#0000ff size=2>I'm surprised that there are methods which are available to
the MapAgent but not the APIs. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=296494923-07122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=296494923-07122006><FONT face=Arial
color=#0000ff size=2>Was this a case of deliberate exclusion, or not enough time
to get everything in? I can see there being some arguments for not
exposing these methods (only need them for rendering, etc) but there are
apparently going to be some use cases for accessing them :)</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=296494923-07122006></SPAN><SPAN
class=296494923-07122006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=296494923-07122006><FONT face=Arial
color=#0000ff size=2>Jason</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma><FONT size=2><B>From:</B> Walt Welton-Lair<SPAN
class=296494923-07122006><FONT face=Arial
color=#0000ff> <BR></FONT></SPAN><B>Sent:</B> Thursday, December 07, 2006
15:47<BR><B>To:</B> users@mapguide.osgeo.org<BR><B>Subject:</B> RE:
[mapguide-users] MgTileService - GetTile - Cannot establish
connection<BR></FONT></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff size=2>Sorry about that - I forgot that the Set methods
weren't exposed.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff size=2>As Alain mentioned, <SPAN
class=655101823-07122006>currently </SPAN>the only way to update the view
is <SPAN class=655101823-07122006>via </SPAN>certain HTTP requests.
GETMAP / GETMAPUPDATE / GETPLOT are used <SPAN class=655101823-07122006>in
the context of </SPAN>DWFViewer, while GETMAPIMAGE and GETVISIBLEMAPEXTENT
are used <SPAN class=655101823-07122006>in the context of</SPAN> AJAX
Viewer. You can include additional parameters with <SPAN
class=655101823-07122006>any of </SPAN>these requests to update view
related information:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff
size=2> SETDISPLAYDPI=<dpi></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff
size=2> SETDISPLAYWIDTH=<width></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff
size=2> SETDISPLAYHEIGHT=<height></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff
size=2> SETVIEWSCALE=<scale></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff size=2> S</FONT></SPAN><SPAN
class=851280623-07122006><FONT face=Arial color=#0000ff
size=2>ETVIEWCENTERX=<centerX></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><FONT face=Arial
color=#0000ff
size=2> SETVIEWCENTERY=<centerY><BR></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=851280623-07122006><FONT face=Arial><FONT color=#0000ff><FONT size=2>While
you can use <SPAN class=655101823-07122006>a </SPAN><SPAN
class=655101823-07122006>viewer </SPAN>to <SPAN
class=655101823-07122006>make these requests for you</SPAN>, you <SPAN
class=655101823-07122006>can make the HTTP r</SPAN>equests <SPAN
class=655101823-07122006>yourself and get the same effect.
</SPAN></FONT></FONT></FONT></SPAN></SPAN><SPAN class=851280623-07122006><SPAN
class=851280623-07122006><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=655101823-07122006>You could write an application
that:</SPAN></FONT></FONT></FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=851280623-07122006><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=655101823-07122006></SPAN></FONT></FONT></FONT></SPAN></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=851280623-07122006><FONT size=+0><FONT color=#0000ff><FONT size=2><SPAN
class=655101823-07122006></SPAN></FONT></FONT></FONT></SPAN></SPAN><SPAN
class=851280623-07122006><SPAN class=655101823-07122006><FONT face=Arial
color=#0000ff size=2>1) creates a session</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>2) creates an
MgMap for your MapDefinition that is part of your
session</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>3)
m</FONT></SPAN></SPAN><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>akes one of the
HTTP requests above</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>
- GETVISIBLEMAPEXTENT is the simplest</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>
- include the SETVIEWSCALE parameter with the request to set the
scale you want</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>4) makes calls
to GetTile</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=851280623-07122006><SPAN
class=655101823-07122006><FONT face=Arial color=#0000ff size=2>5) repeats steps
3 and 4 for each desired scale</FONT></SPAN></SPAN></DIV><SPAN
class=851280623-07122006>
<DIV dir=ltr align=left>
<DIV dir=ltr align=left><FONT face=Arial><FONT color=#0000ff size=2><SPAN
class=851280623-07122006></SPAN></FONT></FONT> </DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN class=655101823-07122006>For steps 1
and 2 there's should be sample code under the MgMap
documentation.</SPAN></SPAN></FONT></FONT></DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN
class=655101823-07122006></SPAN></SPAN></FONT></FONT> </DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN class=655101823-07122006>For step 3
something like .NET's HttpRequest class probably works. Just make the
request to your MG server, e.g.</SPAN></SPAN></FONT></FONT></DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN
class=655101823-07122006>http:://localhost/mapguide/mapagent?</SPAN></SPAN></FONT></FONT><FONT
size=+0><FONT face=Arial color=#0000ff size=2><SPAN
class=851280623-07122006><SPAN
class=655101823-07122006>OPERATION=GETVISIBLEMAPEXTENT&VERSION=1.0.0&SESSION=<sessionId>&MAPNAME=<mapName>&SETVIEWSCALE=<scale></SPAN></SPAN></FONT></FONT></DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN
class=655101823-07122006></SPAN></SPAN></FONT></FONT> </DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN class=655101823-07122006>Here,
mapName is the name from the MgMap.</SPAN></SPAN></FONT></FONT></DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN
class=655101823-07122006></SPAN></SPAN></FONT></FONT> </DIV>
<DIV dir=ltr align=left><FONT size=+0><FONT face=Arial color=#0000ff
size=2><SPAN class=851280623-07122006><SPAN
class=655101823-07122006>Walt</SPAN></SPAN></FONT></FONT></SPAN></DIV></DIV></DIV></BODY></HTML>