On Aug 29, 2008, at 12:59 AM, Andreas Hocevar wrote:
> Kit Plummer wrote:
>> Ok, first let me plead practical ignorance here. I've only been
>> working with OpenLayers for about a week. And, I'm integrating it
>> into ExtJS. I have a known GML file that contains Points. I'd
>> like to be able to add an attribute to each element that would
>> specify the size of the circle that gets drawn by OL. Am I out of
>> luck here? If not, would somebody be so nice as to point me in
>> the right direction?
>
> Have a look at http://www.openlayers.org/dev/examples/styles-rotation.html
> .
>
> You will want to use a style map, and define the pointRadius
> property of the symbolizer. Say you have a field called "size" in
> your GML features. Then your stylemap constructor call could look
> like that:
>
> new OpenLayers.StyleMap({
> "default": OpenLayers.Util.applyDefaults({
> pointRadius: "${size}"
> }, OpenLayers.Feature.Vector.style["default"]
> });
>
> Regards,
> Andreas.
Ok, so that works...curious now if it is possible to make the
gml:points features so I can use a select like this:
var myStyles = new OpenLayers.StyleMap({
"default": new OpenLayers.Style({
pointRadius: "${size}", // sized
according to size element from
GML source
fillColor: "#ffcc66",
strokeColor: "#ff9933",
fillOpacity: 0.1,
strokeWidth: 2
}),
"select": new OpenLayers.Style({
fillColor: "#66ccff",
strokeColor: "#3399ff"
})
}
);
olmap.addLayer(new OpenLayers.Layer.GML("GML", gml,
{styleMap:
myStyles}));
Thanks again.
Kit
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