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add new vector style property "graphicOpacity"

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enabling mixing non-opaque vector geometries with opaque external graphics on the same vector layer
(closes #873)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@4114 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Éric Lemoine
2007-08-30 05:59:29 +00:00
parent 06d41662d7
commit 3e1f2e4305
5 changed files with 67 additions and 21 deletions
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26
examples/vector-features.html
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@@ -17,12 +17,22 @@
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
map.addLayer(layer);
/*
* Layer style
*/
// we want opaque external graphics and non-opaque internal graphics
var layer_style = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
layer_style.fillOpacity = 0.2;
layer_style.graphicOpacity = 1;
var style_blue = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
/*
* Blue style
*/
var style_blue = OpenLayers.Util.extend({}, layer_style);
style_blue.strokeColor = "blue";
style_blue.fillColor = "blue";
style_blue.externalGraphic = "../img/marker.png";
// each of the three lines below means the same, if only one of
// them is active: the image will have a size of 24px, and the
// aspect ratio will be kept
@@ -30,7 +40,9 @@
//style_blue.graphicWidth = 24;
//style_blue.graphicHeight = 24;
style_blue.fillOpacity = 1;
/*
* Green style
*/
var style_green = {
strokeColor: "#00FF00",
strokeOpacity: 1,
@@ -38,16 +50,18 @@
pointRadius: 6,
pointerEvents: "visiblePainted"
};
/*
* Mark style
*/
var style_mark = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
// if graphicWidth and graphicHeight are both set, the aspect ratio
// of the image will be ignored
style_mark.graphicWidth = 24;
style_mark.graphicHeight = 20;
style_mark.externalGraphic = "../img/marker.png";
var vectorLayer = new OpenLayers.Layer.Vector("Simple Geometry");
var vectorLayer = new OpenLayers.Layer.Vector("Simple Geometry", {style: layer_style});
// create a point feature
var point = new OpenLayers.Geometry.Point(-111.04, 45.68);