[OpenLayers-Users] StyleMap, Style and Rules not working

[Eric Lemoine]

On Mon, Dec 21, 2009 at 4:36 PM, Casper Børgesen <cbo at le34.dk> wrote:
> Looking at various examples of how to use styles in OpenLayers, we have
> built the following:
>
> var Layer_AddressWebService_1 = new OpenLayers.Layer.Vector(
>     "AddressWebService_1",
>     {
>         styleMap: new OpenLayers.StyleMap(
>         {
>             "default": new OpenLayers.Style(
>             {
>                 rules:
>                 [
>                     new OpenLayers.Rule(
>                     {
>                         symbolizer:
>                         {
>                             "Point":
>                             {
>                                 pointRadius: 4,
>                                 graphicName: 'square',
>                                 fillColor: 'blue',
>                                 fillOpacity: 1,
>                                 strokeWidth: 1,
>                                 strokeOpacity: 1,
>                                 strokeColor: '#0000FF'
>                             }
>                         }
>                     })
>                 ]
>             })
>         })
>     }, {
>         displayInLayerSwitcher: false,
>         isBaseLayer: false
>     }
> );
>
> We think this should resemble and hopefully be functionally identical to:
>
> var awsSymbolizer = {
>     "Point": {
>         pointRadius: 4,
>         graphicName: "square",
>         fillColor: "blue",
>         fillOpacity: 1,
>         strokeWidth: 1,
>         strokeOpacity: 1,
>         strokeColor: "#0000FF"
>      }
> };
>
> var awsStyle = new OpenLayers.Style();
> awsStyle.addRules([new OpenLayers.Rule({symbolizer: awsSymbolizer})]);
> var awsStyleMap = new OpenLayers.StyleMap({"default": awsStyle});
> var Layer_AddressWebService_1 = new
> OpenLayers.Layer.Vector("AddressWebService_1",
> {
>     styleMap: awsStyleMap
> }, {
>     displayInLayerSwitcher: false,
>     isBaseLayer: false
> });
> But it is not. When using the latter, points are visualised fine, but using
> the first part, results in nothing. The problem lies around the rules. Can
> anyone tell me what the major difference is?

try

new OpenLayers.Style(null, {rules: [ /*  */ ]});
                                  ^^^^

cheers,




-- 
Eric Lemoine

Camptocamp France SAS
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73377 Le Bourget du Lac, Cedex

Tel : 00 33 4 79 44 44 96
Mail : eric.lemoine at camptocamp.com
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