[OpenLayers-Users] OpenLayers.Feature.style vs.OpenLayers.Layer.Vector.styleMap

[Gissur Þórhallsson]

Thanks Arnd, that worked like a charm.

Gissur

2011/5/18 Arnd Wippermann <arnd.wippermann at web.de>

>  i'm not sure, but if you add a style to a feature instead a styleMap to
> the layer, you can't add a select style.
>
> But there is a property selectStyle for the SelectFeatureControl.
> It should also work, when the features have there own style.
> //ctrlSelectFeature = new OpenLayers.Control.SelectFeature(...)
> var selectStyle = OpenLayers.Feature.Vector.style['select'];
> ctrlSelectFeature.selectStyle = selectStyle;
> Arnd
>
>  ------------------------------
> *Von:* openlayers-users-bounces at lists.osgeo.org [mailto:
> openlayers-users-bounces at lists.osgeo.org] *Im Auftrag von *Gissur
> Þórhallsson
> *Gesendet:* Mittwoch, 18. Mai 2011 19:13
> *An:* openlayers-users at lists.osgeo.org
> *Betreff:* [OpenLayers-Users] OpenLayers.Feature.style
> vs.OpenLayers.Layer.Vector.styleMap
>
> Hi guys,
>
> I've got a vector layer that I initialize with the following code:
> var vector_style =  new OpenLayers.StyleMap(OpenLayers.Util.applyDefaults({
> strokeColor:'yellow',
> fillOpacity:0.0,
> strokeOpacity:1,
> strokeWidth: 2,
> fillOpacity:0.1 },
>        OpenLayers.Feature.Vector.style["default"]));
>
>   vectorLayer.styleMap = vector_style;
>
> This renders fine, I get yellow vector features that turn blue when I hover
> over them (per default)
>
> The problem is that later on I have an event that styles each feature
> depending on a certain condition, the event is something like the following:
>
>  var feats =map.layers[22].features;
> var lengd = feats.length;
> cursize = 2;
> for(var i=lengd-1 ;i>=0 ;i--)
> {
>     if(feats[i+1]!==undefined)
> {
>         if(feats[i].geometry.intersects(feats[i+1].geometry))
> cursize++;
>         else
>             cursize = 2;
> }
> feats[i].style = OpenLayers.Util.applyDefaults(
>         {
> graphicZIndex : (lengd-i)+1000,
> strokeColor : "#"+genHex(),
> fillOpacity : 0.03,
> pointRadius : 7*(cursize)
> },
>         OpenLayers.Feature.Vector.style["select"]);
> }
>
> The code above loops through the features array (these are all Points),
> and if it finds features adjacent to each other in the array which also
> intersect/share the same location  - it draws them in bigger and bigger
> increments.
>
> The code works fine, except for the fact that I lose the select behavior
> from before (the points don't turn blue when I hover over them).
>
> Firebug reveals that the style object that I assign to the features contain
> hoverStrokeColor, hoverFillColor etc, but these don't seem to do anything.
>
> Does anybody have ideas?
>
> Kind regards from Iceland,
> Gissur
>
> --
> Gissur Þórhallsson
>
> Loftmyndir ehf.
> Laugavegur 13
> IS 101 Reykjavík - Iceland
> sími (tel): (+354) 540 2500
> tölvupóstur (email): gissur at loftmyndir.is
>



-- 
Gissur Þórhallsson

Loftmyndir ehf.
Laugavegur 13
IS 101 Reykjavík - Iceland
sími (tel): (+354) 540 2500
tölvupóstur (email): gissur at loftmyndir.is
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