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Skip rendering highlighted feature in vector-layer example

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This commit is contained in:
Tom Payne
2013-11-21 20:32:16 +01:00
parent 13ed52d9e8
commit fd48b06dc0
1 changed files with 11 additions and 2 deletions
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13
examples/vector-layer.js
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@@ -36,6 +36,7 @@ var style = new ol.style.Style({
}) })
}); });
var vectorLayer;
$.getJSON('data/countries.geojson', function(data) { $.getJSON('data/countries.geojson', function(data) {
var format = new ol.format.GeoJSON(); var format = new ol.format.GeoJSON();
var transformFn = ol.proj.getTransform('EPSG:4326', 'EPSG:3857'); var transformFn = ol.proj.getTransform('EPSG:4326', 'EPSG:3857');
@@ -45,12 +46,13 @@ $.getJSON('data/countries.geojson', function(data) {
feature.setGeometry(geometry); feature.setGeometry(geometry);
vectorSource.addFeature(feature); vectorSource.addFeature(feature);
}); });
map.getLayers().push(new ol.layer.Vector({ vectorLayer = new ol.layer.Vector({
source: vectorSource, source: vectorSource,
styleFunction: function(feature) { styleFunction: function(feature) {
return style; return style;
} }
})); });
map.getLayers().push(vectorLayer);
}); });
var highlight; var highlight;
@@ -68,6 +70,13 @@ var displayFeatureInfo = function(coordinate) {
} }
if (highlight !== oldHighlight) { if (highlight !== oldHighlight) {
map.requestRenderFrame(); map.requestRenderFrame();
if (highlight) {
vectorLayer.setRenderGeometryFunction(function(geometry) {
return geometry !== highlight.getGeometry();
});
} else {
vectorLayer.setRenderGeometryFunction(undefined);
}
} }
}; };