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<DIV><FONT face=Arial size=2>I can confirm that this is a problem and that you
need some way of managing the number of layers that are actually reserved space
on the map or listen for a create / open / or show event on the popup and adjust
it's z-index at that time.</FONT></DIV>
<DIV><FONT face=Arial size=2>I had this problem when we auto-generated layers
from a WMS capabilities doc that contained 128 layers. The popups would show
under the layers for the last 1/2 of the layers. It was a very frustrating bug
as I was not aware of the OL FAQ entry on this problem at the time.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Matt Priour</FONT></DIV>
<DIV><FONT face=Arial size=2>Kestrel Computer Consulting</FONT></DIV>
<DIV style="FONT: 10pt Tahoma">
<DIV><BR></DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A
title=rwilliams@paqinteractive.com
href="mailto:rwilliams@paqinteractive.com">Ryan Williams</A> </DIV>
<DIV><B>Sent:</B> Wednesday, April 07, 2010 10:29 AM</DIV>
<DIV><B>To:</B> <A title=users@geoext.org
href="mailto:users@geoext.org">users@geoext.org</A> </DIV>
<DIV><B>Subject:</B> Re: [Users] really strange..: "burried
popup"</DIV></DIV></DIV>
<DIV><BR></DIV>Ivan,<BR>the OpenLayers wiki (<A
href="http://trac.openlayers.org/wiki/FrequentlyAskedQuestions">http://trac.openlayers.org/wiki/FrequentlyAskedQuestions</A>)
has an FAQ on this, it says:<BR><BR><BR>What is the maximum amount of layers I
can have in my OpenLayers Map?<BR><BR>The limit is about 75. After that, layers
can appear above popups. This has to do with the z-index in CSS (determines what
is 'above' what). Layers (overlay) start at a z-index of 325. Popups start at
750. Controls start at 1000.<BR>Every layer 'takes up' about 5 indexes, so it
will reach it's limit at around 75 layers. You cannot have more than 250 popups
for the same reason.<BR>If you need more than 75 layers, consider destroying the
ones you don't show instead of hiding them and recreate them when
needed.<BR><BR>I haven't encountered this myself yet though, so I don't have any
details on how to do the destroying. <BR>Ryan<BR><BR>On 4/7/2010 10:18 AM, ivan
marchesini wrote:
<BLOCKQUOTE cite=mid:1270653536.2797.400.camel@beedo type="cite"><PRE wrap="">I can't solve a strange problem..
If you have sometime to spend go here:
<A class=moz-txt-link-freetext href="http://alderaan.irpi.cnr.it/test_geoext_06/webgis4.html">http://alderaan.irpi.cnr.it/test_geoext_06/webgis4.html</A>
1- please click on a the map and you will get the popup... OK this is
correct
2 - now move on the panel "Limiti Amministrativi" (on the right... ) and
choose the Tab "Mappe" switching on the layer "Limiti Amm. - Comuni"
3 - please click on a the map and you will get the popup.. but under the
layer!!!!!!!!!!!!
I can't understand!!!!
this web application contains around 100 layers..
I add these layer to the map in groups:
map.addLayers([layer1,layer2,layer3])
map.addLayers([layer4, layer5, ...])
.....
map.addLayers(LimitiAmmComuni)
I have noted that the problem of the "burried popup" arises only with
the last 14 added layers .. (in fact "Limiti Amm. - Comuni" is the
last one)
any suggestions?? help??
many many thanks...
Ivan
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</PRE></BLOCKQUOTE><BR><PRE class=moz-signature cols="72">--
Ryan Williams, GISP
GIS Analyst / Programmer
PAQ Interactive Inc.
107 S State St., Suite 300
Monticello, IL 61856-1968
Office: (217) 762-7955
Mobile: (217) 722-2794
<A class=moz-txt-link-abbreviated href="mailto:rwilliams@paqinteractive.com">rwilliams@paqinteractive.com</A></PRE>
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