function getLayerByTitle({ map, title }) {
/* 1、获取地图所有的图层 */
let layers = map.getLayers().getArray();
/* 2、过滤出title=image */
let result = layers.find(item => item.get("title") == title);
/* 3、返回结果图层 */
return result;
}
function setPntStyle({
radius = 15,
fill = "red",
stroke = "#333",
width = 2,
}) {
return new ol.style.Style({
image: new ol.style.Circle({
radius,
fill: new ol.style.Fill({
color: fill,
}),
stroke: new ol.style.Stroke({
color: stroke,
width
}),
})
})
}
function setLineStyle({
color = "#333",
width = 2
}) {
return new ol.style.Style({
//边线颜色
stroke: new ol.style.Stroke({
color,
width
})
})
}
function setAreaStyle({
fill = 'rgba(33,33,33,0.5)',
stroke = "#ff2d51",
width = 1
}) {
return new ol.style.Style({
fill: new ol.style.Fill({
color: fill,
}),
stroke: new ol.style.Stroke({
color: stroke,
width
}),
})
}
function getCoordinate(feature) {
return feature.getGeometry().getCoordinates();
}
function setMarkerStyle(src) {
return new ol.style.Style({
/**{olx.style.IconOptions}类型*/
image: new ol.style.Icon({
anchor: [0.5, 38],
anchorOrigin: 'top-right',
anchorXUnits: 'fraction',
anchorYUnits: 'pixels',
offsetOrigin: 'top-right',
// offset:[0,10],
//图标缩放比例
scale: 0.75,
//透明度
opacity: 0.75,
//图标的url
src,
}),
})
}
