[OpenLayers-Users] Problem with WFS/Popups in Firefox

Marc Jansen jansen at terrestris.de
Thu Jan 21 11:11:37 EST 2010 

Hi Barbara,

you should definitely upgrade to 2.8.

Concerning the VML-Error: http://trac.openlayers.org/ticket/2304

BTW (and *probably* related to some of your problems): define a doctype 
and validate your HTML.

Regards and good luck,

Marc

Rauch, Barbara wrote:
>
> Hello again,
>
> we just found another hint concerning the error in IE:
>
> Meldung: Unbekannter Fehler.
>
> Zeile: 81
>
> Zeichen: 9
>
> Code: 0
>
> URI: 
> http://217.78.131.132/dev_ol/ol_print/mfbase/openlayers/lib/OpenLayers/Renderer/VML.js
>
> I will now in a first step compare the VML.js from OpenLayers Version 
> 2.7 and 2.8 and perhaps link to 2.8 to test, if the error still 
> occurs. In the moment, the client is linked to version 2.7
>
> Thanks for any other hint/idea
>
> Barbara
>
> Hi Barbara,
>
> no, not only green symbols made problems. Other time the red one made 
> problems. Popups opened sometimes near the symbols/marker but were 
> sometimes about a few centimeters away.
> IE gave me a white map. And confirm the strange behaviour of map being 
> there after going to another page. Think its a IE problem (IE can´t 
> find a variable, map or something else). But I don´t have any further 
> ideas how to solve this, sorry.
>
> best regards
>
> Sarah
>
> ------------------------------------------------------------------------
>
> *Von:* "Rauch, Barbara" <rauch at rvr-online.de>
> *An:* Sarah Schuessler <sarah_flip at yahoo.de>; Marc Jansen 
> <jansen at terrestris.de>
> *CC:* users at openlayers.org
> *Gesendet:* Donnerstag, den 21. Januar 2010, 15:48:08 Uhr
> *Betreff:* Re: [OpenLayers-Users] Problem with WFS/Popups in Firefox
>
> Hi Sarah,
>
> Concerning Firefox: Did you test one time or several times – if 
> several times, always ONLY the green symbols made problems? And if, 
> can you see, that the popups of the green symbols open directly at the 
> symbol or is there an offset and they open somewhere in the map?
>
> Some news about the white map when starting IE: When you start IE and 
> the given Link is the first page you want to see, there always occurs 
> the white map – when you then start any another page in the IE and 
> then start the given Link to my OpenLayersClient, the map will be 
> there. Can anybody confirm this? Has anybody any idea how to solve the 
> problem?
>
> Thanks a lot
>
> Barbara
>
> Hi Barbara,
>
> I could confirm that my IE 8 gave me a white page.
>
> At Firefox 3.5.7 popups only occur when clicking on the orange 
> circles.(green gave me "searching for data").
>
> best regards
>
> Sarah
>
> ------------------------------------------------------------------------
>
> *Von:* "Rauch, Barbara" <rauch at rvr-online.de>
> *An:* Marc Jansen <jansen at terrestris.de>
> *CC:* users at openlayers.org
> *Gesendet:* Donnerstag, den 21. Januar 2010, 12:49:51 Uhr
> *Betreff:* Re: [OpenLayers-Users] Problem with WFS/Popups in Firefox
>
> Hi List,
>
> I now solved the database-problem that caused some popups not to be 
> filled with information when you click on a symbol. I also checked the 
> projection as Marc proposed, but that didn't help. I still have the 
> problem in Firefox (and only in Firefox, it until now did never occur 
> in IE!) that after zooming twice AND panning the map, some popups (not 
> always the same!) have an offset and don't open directly at the symbol 
> but somewhere else in the map.
>
> You can see here: 
> http://217.78.131.132/dev_ol/ol_print/ol_viewer_neu_layout_suche.html
>
> Second problem, this time only in the Internet Explorer: Sometimes, 
> not always, there occurs no map, the part of the map is white and 
> empty after having startet. When you then refresh IE it works fine... 
> It would be great, when you could test the page and give me feedback 
> whether it occurs or not and which IE-Version you are using.
>
> Has anybody an idea???
> Thanks a lot and greetings
> Barbara
>
>
> Hi Barbara,
>
> If I click on a feature located at POINT(2552356 5693550) (near
> Angerhausen, South of Duisburg) I get a GetFeatureInfo-Request with the
> BBOX 2546405, 5692856, 2547405, 5693856. And of course the popup is
> placed at the wrong coordinates and the GFI-Request is empty.
>
> IMO you should try to search the error in the BBOX creation-function.
>
> Regards,
> Marc
>
> PS: I'd guess that this problem should arise in IE as well... haven't
> tested though.
>
>
>
> Rauch, Barbara wrote:
> >
> > Hello,
> >
> > I successfully implemented WFS-Layers with individual symbols by
> > creating an OpenLayers feature class for each layer. These symbols are
> > clickable via clickevent that opens a Popup which is filled with
> > informations by a GetFeatureRequest. In Internet Explorer everything
> > works fine but in Firefox I have the following problem with the popup:
> > After panning the map, some of the popups do no longer open on the
> > symbol but are displaced and open with an offset away from the symbol
> > - that does not occur always to the same WFS but changes. The problem
> > is, that the popups then also don't get the informations and there is
> > no error-message in firefox (I'm working with version 3.0).
> >
> > You can see a live-demo here:
> > http://services.metropoleruhr.de/ol_print/ol_viewer.html
> >
> > Does anybody know how to fix this problem?
> >
> > Thanks for your help and greetings from Marleen
> >
> > Hi Marc,
> >
> > when you start the client in Firefox, you afterwards have to zoom in
> > twice, then the symbols of the overlays occur - when you then pan the
> > map (drag&drop while the left mouse is pressed) and afterwards click
> > on the symbols, some of the popups don't opne right at the symbol but
> > displaced in the map - not always the same symbols behave like this
> > and Firefox doesn't give an error-message -all that makes it very
> > difficult to find the error... I hope this description helps so far?
> >
> > Thanks and greetings
> >
> > Marleen
> >
> > Hello again,
> >
> > thanks a lot for your answer, Marc.
> >
> > In the case, when the popup doesn't display any content, there is a
> > 'NULL' in the database - this error will be solved in january by
> > myself via the database. But I don't know, how to solve the problem
> > with the displaced popups after one panned the map. You asked, how I
> > obtain the clicked ccordinate. Here my source-code:
> >
> > function addClickEvent( wfslayer, typename)
> >
> > {
> >
> > // WFS-Abfrage + Popup-Initialisierung
> >
> > //Definition der BoundingBox-Größe
> >
> > OpenLayers.Events.prototype.includeXY = true;
> >
> > wfslayer.events.register("click", map, function(e){
> >
> > // Mauspostition bestimmen
> >
> > // (konvertiert von Pixel in o.g. EPSG-Koordinaten)
> >
> > var lonlat = map.getLonLatFromPixel(e.xy);
> >
> > //alert(lonlat);
> >
> > // Toleranzwert 'delta' berechnet mit geometrischer
> >
> > // Folge: 1000*(0.5)^(zoomlevel)
> >
> > var delta = 1000 * Math.pow(0.5, map.getZoom() );
> >
> > var more = lonlat.add(delta, delta);
> >
> > var less = lonlat.add(-delta, -delta);
> >
> > var boundingbox = less.lon + "," + less.lat + "," + more.lon + "," +
> > more.lat;
> >
> > //alert(boundingbox);
> >
> > // WFS-Abfrage
> >
> > var url_rvr = wfslayer.getFullRequestString({
> >
> > REQUEST: "GetFeature",
> >
> > BBOX: boundingbox,
> >
> > INFO_FORMAT: 'text/plain',
> >
> > TYPENAME: typename
> >
> > });
> >
> > OpenLayers.loadURL(url_rvr, '', this, setHTML);
> >
> > // Popup-Initialisierung
> >
> > popup = new OpenLayers.Popup.AnchoredBubble("siteinfo", lonlat, new
> > OpenLayers.Size(180, 270));
> >
> > //popup.AutoSize = true;
> >
> > popup.setContentHTML("<div id='mapinfobox'><div
> > id='nodelist'></div></div>");
> >
> > popup.setOpacity(1.0);
> >
> > popup.setBackgroundColor("FFFFFF");
> >
> > popup.addCloseBox(destroy);
> >
> > map.addPopup(popup, true);
> >
> > $('nodelist').innerHTML = "Searching for data...";
> >
> > Event.stop(e);
> >
> > });
> >
> > }
> >
> > Do you really think, it could be a problem with the projection? I
> > would in this case expect, that the popup-displacement also occurs in
> > the InternetExplorer - or do the browsers handle projections in
> > different ways?
> >
> > Here my source-code concerning the projection in OpenLayers:
> >
> > //*** edit EPSG options here! ***
> > var options_31466 = {
> > projection:"EPSG:31466",
> > scales: [250000, 50000, 15000, 10000, 5000, 2500, 1000],
> > maxExtent: new OpenLayers.Bounds(2520400, 5675000, 2638545, 5744500),
> > maxResolution: 'auto',
> > numZoomLevels: 7,
> > controls: [],
> > units: 'm'
> > };
> > map = new OpenLayers.Map('map', options_31466);
> >
> > I thought, it's enough to include the projection in this way and that
> > OpenLayers then automatically does the rest?
> >
> > Do I have to include proj4 as you wrote:
> >
> > * Are you sure that your projection is set correctly? Did you
> > include a pro4.js-definition for 31466?
> >
> > Proj4js.defs["EPSG:31466"] = "+proj=tmerc +lat_0=0 +lon_0=6 +k=1
> > +x_0=2500000 +y_0=0 +ellps=bessel +datum=potsdam +units=m +no_defs";
> >
> > Where do I have to put the Proj4.defs?
> >
> > Thanks a lot merry christmas and greetings
> >
> > Marleen
> >
> > Mit freundlichen Grüßen
> > Im Auftrag
> >
> > **Barbara Rauch***
> > *
> >
> > Klima u. Lufthygiene
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> > Fax: +49 201 2069-400
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> >
> >
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>
> -- 
>
>
> Dipl.-Geogr. Marc Jansen
> - Anwendungsentwickler -
>
> terrestris GmbH & Co. KG
> Irmintrudisstraße 17
> 53111 Bonn
>
> Tel: ++49 (0)228 / 96 28 99 -53
> Fax: ++49 (0)228 / 96 28 99 -57
>
> Email: jansen at terrestris.de <mailto:jansen at terrestris.de>
> Web: http://www.terrestris.de <http://www.terrestris.de/>
>
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-- 


  Dipl.-Geogr. Marc Jansen
  - Anwendungsentwickler -

  terrestris GmbH & Co. KG
  Irmintrudisstraße 17
  53111 Bonn

  Tel:    ++49 (0)228 / 96 28 99 -53
  Fax:    ++49 (0)228 / 96 28 99 -57

  Email:  jansen at terrestris.de
  Web:    http://www.terrestris.de

  Amtsgericht Bonn, HRA 6835
  Komplementärin:  terrestris Verwaltungsgesellschaft mbH
  vertreten durch: Hinrich Paulsen, Till Adams

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