no change ..... (((((((((((((
Le 20 juin 2012 à 18:11, Olivier Terral-3 [via OSGeo.org] a écrit :
> Define your style variable like this:
>
> var style = new OpenLayers.Style({
> externalGraphic:
> 'http://pofableau.com/openlayer/a_img/travauxorange.png',
> graphicHeight: "${size}",
> graphicWidth: "${size}"
> }, {
> context: {
> size: function() {
> return 60*18/map.getZoom();
> }
> }
> }
> );
>
>
> Le 20 juin 2012 à 15:01, christian bleau a écrit :
>
>> Hi Olivier and Steve, I try to follow your way but it din't work It's sure
>> I have forgot something ... http://pofableau.com/openlayer/multicouche.html
>> the overlay code is ok for depart and calque but without possibility to
>> scaling with panZoom. It's the pb exposed in the beginning of this topic.
>> the overlay départ2 who use your recommandation isn't visible on the map I
>> use this code :
>>
>> var style = new OpenLayers.Style(
>> OpenLayers.Util.applyDefaults(
>> {fillColor: "green", fillOpacity: 1, strokeColor:
>> "black"},
>> {
>> rules: [
>> new OpenLayers.Rule({
>> maxScaleDenominator: 200000000,
>> minScaleDenominator: 100000000,
>> symbolizer: {
>> externalGraphic: 'a_img/travauxorange.png',
>> graphicHeight: 60*18/10 ,
>> graphicWidth: 65*18/10
>> }
>> }),
>> new OpenLayers.Rule({
>> maxScaleDenominator: 100000000,
>> symbolizer: {
>> externalGraphic: 'a_img/travauxorange.png',
>> graphicHeight: 60*18/5,
>> graphicWidth: 65*18/5
>> }
>> })
>>
>> ]
>> }));
>>
>>
>> var depart = new OpenLayers.Layer.Vector("Depart", {
>> styleMap: new OpenLayers.StyleMap(style) });
>>
>> map.addLayer(depart);
>> Steve I wrote the following code for depart and calque but there is no
>> change for scale the Image as you can see. May be It's necessary to have a
>> time out for the script ?
>> var z= map.getScale();
>>
>> var graphicWidth = 55;
>> var graphicHeight = 50;
>>
>> var scaleFactorWidth = graphicWidth * z;
>> var scaleFactorHeight = graphicHeight * z;
>>
>> var depart2 = new OpenLayers.Layer.Vector("Départ2");
>> var feature = new OpenLayers.Feature.Vector(
>> new OpenLayers.Geometry.Point(2.534000,48.387000).transform(
>> new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
>> new OpenLayers.Projection("EPSG:900913") // to Spherical Mercator
>> Projection
>> ),
>> {some:'data'},
>> {externalGraphic: 'a_img/travauxorange.png', graphicHeight:
>> graphicHeight, graphicWidth: scaleFactorWidth});
>> depart2.addFeatures(feature);
>>
>> Thank a lot for your help. Christian
>> View this message in context: Re: pb with map.getZoom
>> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>> _______________________________________________
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>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>
> Olivier Terral
>
>
>
> GEOMATIC Ingénierie SA
> Société du groupe Ringier
> Chemin des Croisettes 26
> 1066 Epalinges
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>
>
>
>
>
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> NAML
Christian
Pof@Bleau
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