Just a little up, please :-) Maybe I haven't been clear enough about what I'd like to achieve ?
Thanks On 29 déc 2009, 23:58, Brice <[email protected]> wrote: > On 29 déc, 17:23, "[email protected]" <[email protected]> wrote:> On > Dec 29, 10:30 am, Brice <[email protected]> wrote: > > > > Thanks the debug output is very usefull. > > > > If I have well understood, I need to use GXmlHttp() the way it's > > > described by Mike William and just like I did for the drawing of the > > > polygons (Mike William's code in fact). In that way I'll be able to > > > use the gmarkers array outside the callback routine ? > > > GDownloadUrl uses GXmlHttp (so you are using it). > > Yes I forgot that the drawing of the polygons takes place in the > GXmlHttp routine in Mike William's code (line 154). > > > > > > Or maybe I don't need GXmlHttp() but only XmlHttpRequest ? what do you > > > think ? > > > GXmlHttp is a cross-browser wrapper for XmlHttpRequest. > > > Why do you think you need to add the GMarkers array to the > > MarkerManager outside of the callback routine? > > > Maybe if you tell us what you think you can accomplish by doing that > > we may be able to help. > > Ok. I would like to distinguish the markers depending on the state > (département in French) they are attached. Now, I only search for > locations crossing two xml files and display them. I'd like to do > something more complex : > - on load, show all the markers (only at a certain zoom level --> > that's why I use GMarkerManager) > - when a click event is detected on one of the three polygons (each > polygon matching a state), an infoWindow appears and a zoom in happens > (lines 167 and 168). > - I'd like to display only the markers of that state ; in order to do > that, I've added an attribute "dep" in my villesIMG.xml (I don't feel > comfortable dealing with regular expressions to use the two first > numbers of the cp attribute) wich takes one of three possibilities. > If a click event happens on polygon 0 (polys[0] corresponding to the > state of Corrèze then display only the markers of Corrèze (atribute > dep ="19") and hide the markers of the others states. > So I figured I need to add a conditional loop in my request on > villesIMG.xml to create an array of markers for each state and then > decide what markers I use. > > I'm not sure if I'm clear about my intentions here. If you need more > explanations, don't hesitate. > Thanks a lot again for your help. > > > -- Larry > > > > Thanks a lot. > > > > On 29 déc, 01:10, "[email protected]" <[email protected]> wrote: > > > > > On Dec 28, 5:55 pm, "[email protected]" <[email protected]> > > > > wrote: > > > > > > On Dec 28, 5:12 pm, Brice <[email protected]> wrote: > > > > > > > I followed your advice but I couldn't figure it out so I went again > > > > > > onhttp://econym.org.uk/gmap/andfindanothertoreaddata from a xml > > > > > > file (http://econym.org.uk/gmap/basic3.htm). > > > > > > > Here is the result > > > > > > :http://boucard.brice.perso.neuf.fr/geoculture/geoloc/polymarkersIMG.html > > > > > > > But I have another problem concerning the way to display markers > > > > > > through a MarkerManager. As you can see in this page, the call to > > > > > > display is "inside the xml parsing" (mm.addMarkers(gmarkers,9); on > > > > > > line 250) > > > > > > But here > > > > > > :http://boucard.brice.perso.neuf.fr/geoculture/geoloc/polymarkersDEPIM... > > > > > > I've put that instruction "outside", at line 258 and it doesn't > > > > > > work. > > > > > > Yet I've declared the gmarkers array at line 42 and I fill this > > > > > > array > > > > > > with the markers I create with gmarkers.push(marker); on line 248 > > > > > > The GXml call is asynchronous: > > > > > From Mike Williams' tutorial, Javascript Concept > > > > > Part 2 Asynchronous I/Ohttp://econym.org.uk/gmap/async.htm > > > > > > You _have_ to use the data in the call back routine (as you > > > > > discovered). The code that doesn't work sends the request for the > > > > > data to the server then adds the empty array to the MarkerManager. > > > > > Later the data arrives and populates the array, but never adds the > > > > > newly populated array to the MarkerManager. > > > > > Here is a copy of your page to which I have added debug > > > > output:http://www.geocodezip.com/polymarkersDEPIMG_c.html > > > > Notice that the mm.addMarkers call happens before the xml is > > > > processed. > > > > > -- Larry > > > > > > > I think it's a problem with the loops I use but as you have seen and > > > > > > can see with my code (there is probably a much better way to do what > > > > > > I'm tryong to do), I'm not a javascript familiar :/ > > > > > > > Thanks for your help. > > > > > > > On 24 déc, 16:17, Rossko <[email protected]> wrote: > > > > > > > > > GEvent.addListener(vmarker, "click", function() { > > > > > > > > for (var i=0; i<vmarkers.lenght; i++) { > > > > > > > > > > > > > > > > vmarker.openInfoWindowHtml("Représentations de"+vlabels[i]); > > > > > > > > } > > > > > > > > }); > > > > > > > > What that looks like its intended to do is - upon a click on ANY > > > > > > > marker, step through the whole array of vmarker and open each ones > > > > > > > infowindow. What you would see is just the last one, as there is > > > > > > > only > > > > > > > one infowindow (opening it on another marker closes the previous > > > > > > > one) > > > > > > > > The loop wouldn't actually work though as vmarkers.lenght would be > > > > > > > undefined (spelling?). > > > > > > > > It is important that you put the listener code in the code where > > > > > > > you > > > > > > > build each marker (processing the villes XML) > > > > > > > > In the code currently on your test page, it says > > > > > > > GEvent.addListener(vmarkers, ... > > > > > > > that won't work, vmarkers is a javascript array and never gets > > > > > > > clicked. > > > > > > > You want to attach the listener to each marker object, best to do > > > > > > > this > > > > > > > where you create it > > > > > > > > Outline - > > > > > > > Loop through XML reading 'ville' marker data > > > > > > > create individual marker > > > > > > > add listener to marker > > > > > > > push marker onto array > > > > > > > end loop > > > > > > > add array to markermanager -- You received this message because you are subscribed to the Google Groups "Google Maps API" group. 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