Hello Diego,
Am 17.05.2013 10:40, schrieb Diego M.:
> Is there any way to configure OpenLayers styling method? I have a vector
> layer and I would like to style the features depending on a value of a flag
> variables, so I can't use rules. Lets say I have two types of features:
> houses and restaurants. houses flag is "H" and restaurants flag is "R". How
> can I give them a different style within a vector layer?
Yes you can :)
Look at my code snippet:
var styleMap_Wetter = new OpenLayers.StyleMap({
'default':{
fontColor: "\${fcolor}",
fontSize: "12pt",
fontFamily: "serif",
fontWeight: "bolder",
labelOutlineWidth: 6,
labelOutlineColor: "#F8F8F8",
labelAlign: "rm",
externalGraphic: "\${icon}",
graphicWidth: 32px,
graphicXOffset : 0,
graphicYOffset : 0,
graphicOpacity: 1,
label: "\${text}"
}});
All these "\${...}" are placeholder for attributes. They are assigned
like the following example:
point = new OpenLayers.Geometry.Point(lonLat.lon, lonLat.lat);
var pf = new OpenLayers.Feature.Vector(point);
pf.attributes = {text: stadt, fcolor: text_color, ...};
For your application that means that you do the following:
point = new OpenLayers.Geometry.Point(lonLat.lon, lonLat.lat);
var pf = new OpenLayers.Feature.Vector(point);
switch building: {
case "H"
pf.attributes =
{text: "House", fcolor: "#ff0000", icon: "house.png"};
break;
case "R":
pf.attributes =
{text: "Restaurant", fcolor: "#00ff00", icon: "restaurant.png"};
break;
default:
break;
}
Based on this code snippet I build an weather card which shows for every
stored station the current weather conditions:
http://www.dankoweit.de/cgi-bin/metar_karte.pl?geo=1&typ=metar
I hope this helps
Best regards
Juergen
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--
Meine stets unfertige Homepage: www.dankoweit.de
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