[OpenLayers-Users] Problem with Layer.vector

Nicholas Efremov-Kendall n.e.kendall at gmail.com
Tue Aug 4 15:37:00 EDT 2009


Hi Eric,
Yes, somewhat.

On Tue, Aug 4, 2009 at 10:29 PM, Eric Lemoine
<eric.lemoine at camptocamp.com>wrote:

> On Tuesday, August 4, 2009, Nicholas Efremov-Kendall
> <n.e.kendall at gmail.com> wrote:
> > Hi Eric,
> > I'm still new to Jscript, can you clarify this a little? or point me in
> the right direction?
>
> Hi. I meant install the FireBug extension in FireFox and use it to add
> breakpoints in the code and watch variables. Hope this clarifies
> things...
>
>
>
> best,Nick
> > On Tue, Aug 4, 2009 at 7:47 AM, Eric Lemoine <
> eric.lemoine at camptocamp.com> wrote:
> > On Monday, August 3, 2009, Nicholas Efremov-Kendall
> > <n.e.kendall at gmail.com> wrote:
> >> Hi all,I've been trying to implement my gml as a layer.vector, as
> opposed to a layer.gml. I'm loading both into the browser with the different
> methods, and I can from firebug that the file is getting loaded, but it's
> not being displayed. Thus, if I re-sent my auto-center to sites2.events, it
> doesn't center at all. I'm not sure what going wrong here, I thought I'd
> followed the examples pretty closely. Thanks (again) in advance.
> >> //loads fine var      sites = new OpenLayers.Layer.GML (
> >>               "Archaeological Sites", "data/siteswatr.gml",
> >>               {
> >>               style: {pointRadius: 2.5},
> >>               projection: new OpenLayers.Projection("EPSG:4326"),
> >>               format: OpenLayers.Format.GML,
> >>               }
> >>               );
> >>       map.addLayer(sites);
> >>  // loads into browser but not displayed.
> >>               var sites2 = new OpenLayers.Layer.Vector (
> >>               "sites2", {projection: map.displayProjection, strategies:
> [new OpenLayers.Strategy.Fixed()], protocol: new
> OpenLayers.Protocol.HTTP({url: "data/siteswatr.gml", format: [new
> OpenLayers.Format.GML()]})});
> >>               map.addLayer(sites2);
> >
> > Your code looks correct to me. The Fixed strategy empties the layer
> > before adding features into it, which could explain why you see one
> > set of features only. I'd recommend adding a break point in the fixed
> > strategy's merge() method to understand what's going on.
> >
> >>
> >>
> >>
> >
> > --
> > Eric Lemoine
> >
> > Camptocamp France SAS
> > Savoie Technolac, BP 352
> > 73377 Le Bourget du Lac, Cedex
> >
> > Tel : 00 33 4 79 44 44 96
> > Mail : eric.lemoine at camptocamp.com
> > http://www.camptocamp.com
> >
> >
>
> --
> Eric Lemoine
>
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
>
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
> http://www.camptocamp.com
>
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