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Don't render feature with all countries

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The feature with undefined id is a multi-polygon representing all countries.  Instead of rendering all multi-polygons with a lower z-index, we just avoid rendering this single feature.
This commit is contained in:
Tim Schaub
2014-02-07 10:31:02 -07:00
parent 5227d01572
commit d288c5b4eb
1 changed files with 11 additions and 11 deletions
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20
examples/topojson.js
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@@ -15,13 +15,6 @@ var raster = new ol.layer.Tile({
})
});
var vector = new ol.layer.Vector({
source: new ol.source.TopoJSON({
projection: 'EPSG:3857',
url: 'data/topojson/world-110m.json'
}),
styleFunction: function(feature, resolution) {
var styleArray = [new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(255, 255, 255, 0.6)'
@@ -29,10 +22,17 @@ var vector = new ol.layer.Vector({
stroke: new ol.style.Stroke({
color: '#319FD3',
width: 1
}),
zIndex: (feature.getGeometry().getType() !== 'MultiPolygon') ? 2 : 1
})
})];
return styleArray;
var vector = new ol.layer.Vector({
source: new ol.source.TopoJSON({
projection: 'EPSG:3857',
url: 'data/topojson/world-110m.json'
}),
styleFunction: function(feature, resolution) {
// don't want to render the full world polygon, which repeats all countries
return feature.getId() !== undefined ? styleArray : null;
}
});