arrowStyle.html

<!DOCTYPE HTML>
<html>
<head>
	<meta charset="utf-8">
	<link href="https://developer.geon.kr/js/odf/odf.css" rel="stylesheet">
	<script type="text/javascript" src="https://developer.geon.kr/js/odf/odf.min.js"></script>
</head>
<body>
	<div id="map" class="odf-view" style="height:550px;"></div>
	<div class="btnDiv">
		유형 :
		<select class="selectCustom" id="arrowType" onChange="setStyle()">
			<option value="ALL_POINT">모든 포인트</option>
			<option value="START_AND_END_POINT" selected="true">처음과 끝</option>
		</select>
		시작점 모양 :
		<select class="selectCustom" id="startIcon" onChange="setStyle()">
			<option value="blackTriangle" selected="true">◀</option>
			<option value="whiteTriangle">◁</option>
			<option value="bracket"><</option>
			<option value="blackEquilateralArrow">⮜</option>
			<option value="blackCircle">●</option>
			<option value="whiteCircle">○</option>
			<option value="none">없음</option>
		</select>
		종료점 모양 :
		<select class="selectCustom" id="endIcon" onChange="setStyle()">
			<option value="blackTriangle">▶</option>
			<option value="whiteTriangle">▷</option>
			<option value="bracket">></option>
			<option value="blackEquilateralArrow">⮞</option>
			<option value="blackCircle" selected="true">●</option>
			<option value="whiteCircle">○</option>
			<option value="none">없음</option>
		</select>
	</div>
</body>
<script>
	/* 맵객체 생성 (외부에서 사용할 때는 proxyURL, proxyParam 옵션이 필요합니다.) */
	var mapContainer = document.getElementById('map');
	var coord = new odf.Coordinate(199312.9996,551784.6924);
	var mapOption = {
		center : coord,
		zoom : 11,
		projection : 'EPSG:5186',
		//proxyURL: 'proxyUrl.jsp',
        //proxyParam: 'url',
		vWorldURL : 'https://gsapi.geon.kr/map/api/vworld/wmts',
		basemap : {
			vWorld : ['vWorldBase', 'vWorldWhite', 'vWorldMidnight', 'vWorldHybrid', 'vWorldSatellite'],
		},
    };
	var map = new odf.Map(mapContainer, mapOption);

	/*라인 레이어 추가*/
	var lineLayer = odf.LayerFactory.produce('geoserver', {
		method : 'get',
		server : 'https://geoserver.geon.kr/geoserver',
		layer : 'geonpaas:L100000255', // 발행된 레이어 명칭 (ex. 저장소명:레이어명)
		crtfckey : '',
		service : 'wfs',
	});
	lineLayer.setMap(map);
	lineLayer.fit();
	map.setZoom(19);


	/*startEndStyle 생성*/
	function setArrow(startCoord, endCoord,{startIcon,endIcon})  {
		styleArr = [];
		var rotation = Math.atan2(endCoord[1] - startCoord[1], endCoord[0] - startCoord[0]);

		if(startIcon!=='none'){
			styleArr.push(odf.StyleFactory.produce({
				geometry: odf.GeometryFactory.produce({
					geometryType: 'point',
					coordinates: startCoord,
				}),
				image: {
					icon : {
						crossOrigin : 'Anonymous',
						src : `/js/oui/images/widget/arrowIcon/${startIcon}.png`,
						scale : 0.4,
						opacity :1,
						rotation: -rotation + Math.PI,
						color: [0, 255, 252, 0.95]
					},
				}
			}));
		}

		/*end*/
		if(endIcon!=='none'){
			styleArr.push(odf.StyleFactory.produce({
				geometry: odf.GeometryFactory.produce({
					geometryType: 'point',
					coordinates: endCoord,
				}),
				image: {
					icon: {
						crossOrigin : 'Anonymous',
						src: `/js/oui/images/widget/arrowIcon/${endIcon}.png`,
						scale: 0.4,
						opacity :1,
						rotation: -rotation,
						color: [255, 0, 252, 0.95]
					},
				}
			}));
		}

		return styleArr;
	}

	/*스타일 생성*/
	function setStyle(){
		var arrowType = document.getElementById('arrowType').value;
		var startIcon = document.getElementById('startIcon').value;
		var endIcon = document.getElementById('endIcon').value;

		var styleOption = [
			{
				seperatorFunc : 'default',
				style : {
					stroke : {
						color:[255,0,252,0.95],
									lineCap : 'round',//선의 끝부분 모양('butt'(네모지게-선이 원래 길이보다 조금 일찍 끝남) / 'round' (둥글게) / 'square'(네모지게))
									lineJoin : 'round',//('bevel' (꺾이는 부분을 지붕모양으로 )/ 'round' (둥글게)/ 'miter'(뾰족하게))
									//lineDash : [10],//점선의 간격 크기
									width:2
					}
				},
				callbackFunc : function(style, feature, resolution) {
					var styleArr = [style];
					var geometries=[feature.getGeometry()];
					if(feature.getGeometry().getType()==='MultiLineString'){
						geometries = geometries[0].getLineStrings();
					}
					geometries.forEach((geometry,gIdx)=>{

						if(arrowType==='ALL_POINT'){
							geometry.forEachSegment((start, end)=>{
								styleArr=styleArr.concat(setArrow(start, end,{startIcon,endIcon}));
							});
						}else{
							var coordinates = geometry.getCoordinates();
							var start = coordinates[0];
							var end = coordinates[coordinates.length-1];
							if(start[0]===end[0]&&start[1]===end[1]){
		                        end = coordinates[coordinates.length-2];
		                    }
							styleArr = styleArr.concat(setArrow(coordinates[0],coordinates[1],{startIcon,endIcon : 'none'}));
							styleArr = styleArr.concat(setArrow(coordinates[coordinates.length-2],coordinates[coordinates.length-1],{startIcon : 'none',endIcon}));
						}
					});

					return styleArr;
				},
			}
		];
		var style = odf.StyleFactory.produceFunction(styleOption);
		lineLayer.setStyle(style);
	}
	setStyle();
</script>
</html>