Openlayers3中SVG图加载

        function addSvgLayer() {
            var _min = [12836027.844390793, 4745190.4650304755],
                _max = [13098185.245208949, 5069741.1276835548];
            var _resMin = map.getPixelFromCoordinate(_min),
                _resMax = map.getPixelFromCoordinate(_max);
            var _resLeftTop = map.getPixelFromCoordinate([_min[0], _max[1]]);
            var _w = Math.round(_resMax[0] - _resMin[0]),
				_h = Math.round(_resMin[1] - _resMax[1]);
            var _x = _resLeftTop[0],
				_y = _resLeftTop[1];
            //<img src="data/wind.svg" style="opacity: 0.6; transform: translate3d(264px, 277px, 0px);width: 567px; height: 627px;">
            var svg = $("<img/>").addClass("svg-layer").attr("src", "img/wind.svg")
				.css({
					"opacity":"0.6",
					"width":_w+"px",
					"height":_h+"px",
					"top":_y+"px",
					"left":_x+"px"
				});

            var mapDiv = $("#map").children()[0];
            $(mapDiv).append(svg);
        }