なぜGoogleマップのポリラインのstrokeColorは常に黒ですか？

私はすでにGoogle Maps APIにいくつかの軌跡を描画しています。しかし、私は各軌道に異なる色を与えたい。問題は、strokeColorが '＃0000'でない場合でも、常に色が黒であることです。何が起こっているかについてのアイデア？ここに私のコードは次のとおりです。なぜGoogleマップのポリラインのstrokeColorは常に黒ですか？

<html> 
<head> 
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"> 
<meta charset="utf-8"> 
<title>Simple Polylines</title> 
<style> 
    html, body { 
    height: 100%; 
    margin: 0; 
    padding: 0; 
    } 
    #map { 
    height: 100%; 
    } 
</style> 
</head> 
<body> 
<div id="map"></div> 

function initMap() { 

    var map = new google.maps.Map(document.getElementById('map'), { 
     zoom: 10, 
     center: {lat: -12, lng: -77}, 
     mapTypeId: google.maps.MapTypeId.TERRAIN 
    }); 


    var aristas = map.data.loadGeoJson('aristas.geojson'); 
    var aristasPath = new google.maps.Polyline({  
     path: aristas, 
     geodesic: true, 
     strokeColor: '#FF0000', 
     strokeOpacity: 1.0, 
     strokeWeight: 2 
    }); 


    aristasPath.setMap(map); 
    } 
</script>

出典

2016-09-27 Isaias Hoyos

[GoogleマップAPI V3 ASP.netを使用して、異なる色を有する複数のポリラインを描画]の可能な重複（http://stackoverflow.com/questions/14379586/drawing-multiple-polyline-with-different-color -using-google-map-api-v3-asp-net） – LinuxDisciple

あなたは.loadGeoJsonとadding your polyline to the data layerある、ないgoogle.maps.Polyline

// Set the stroke width, and fill color for each polyline/polygon 
map.data.setStyle({ 
    strokeColor: '#FF0000', 
    strokeOpacity: 1.0, 
    strokeWeight: 2 
});

proof of concept fiddle

通常のコードスニペットとして、data layer styling methodsを使ってスタイリングする必要があること：

function initMap() { 
 

 
    var map = new google.maps.Map(document.getElementById('map'), { 
 
    zoom: 7, 
 
    center: { 
 
     lat: -12, 
 
     lng: -77 
 
    }, 
 
    mapTypeId: google.maps.MapTypeId.TERRAIN 
 
    }); 
 

 

 
    var aristas = map.data.addGeoJson(platesJson); 
 
    // Set the stroke width, and fill color for each polyline/polygon 
 
    map.data.setStyle({ 
 
    strokeColor: '#FF0000', 
 
    strokeOpacity: 1.0, 
 
    strokeWeight: 2 
 
    }); 
 

 
} 
 
google.maps.event.addDomListener(window, 'load', initMap); 
 
var platesJson = { 
 
    "type": "FeatureCollection", 
 
    "crs": { 
 
    "type": "name", 
 
    "properties": { 
 
     "name": "urn:ogc:def:crs:OGC:1.3:CRS84" 
 
    } 
 
    }, 
 

 
    "features": [{ 
 
    "type": "Feature", 
 
    "properties": { 
 
     "strnum": 420, 
 
     "platecode": 201, 
 
     "datatype": "TR", 
 
     "dtnum": 1, 
 
     "refnum": 9921, 
 
     "appearance": 245.000000, 
 
     "disappeara": -999.000000, 
 
     "color": 7, 
 
     "geogdesc": "PERU-CHILE TRENCH" 
 
    }, 
 
    "geometry": { 
 
     "type": "LineString", 
 
     "coordinates": [ 
 
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     "appearance": 245.000000, 
 
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     "color": 1, 
 
     "geogdesc": "CHILE TRENCH" 
 
    }, 
 
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    }] 
 
};

html, 
 
body { 
 
    height: 100%; 
 
    margin: 0; 
 
    padding: 0; 
 
} 
 
#map { 
 
    height: 100%; 
 
}

<script src="https://maps.googleapis.com/maps/api/js"></script> 
 
<div id="map"></div>

出典

2016-09-27 20:51:21 geocodezip

ありがとうございます。私は1つの変数が.loadGeojsonでロードされている場合に動作します。しかし、もし私がloadGeojsonでもっと多くの変数をロードしていたら？ –

さらに複雑なコードを書く必要があります。私が指摘した文書を参照してください。 – geocodezip

なぜGoogleマップのポリラインのstrokeColorは常に黒ですか？

答えて

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