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August 29, 2015 14:01
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Cargar datos desde CSV externos
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var map, csv; | |
require([ | |
"esri/map", | |
"esri/layers/CSVLayer", | |
"esri/Color", | |
"esri/symbols/SimpleMarkerSymbol", | |
"esri/renderers/SimpleRenderer", | |
"esri/InfoTemplate", | |
"dojo/domReady!" | |
], function( | |
Map, CSVLayer, Color, SimpleMarkerSymbol, SimpleRenderer, InfoTemplate, urlUtils | |
) { | |
// Configuramos el fichero esri_request para que use un proxy | |
// ya que mediante AJAX vamos a hacer una petición fuera de | |
// nuestro dominio (http://bit.ly/1nom026) | |
esriConfig.defaults.io.corsEnabledServers.push("www.corsproxy.com"); | |
map = new Map("map", { | |
basemap: "gray", | |
center: [-3.833027, 43.465379], | |
zoom: 13 | |
}); | |
// En la URL usamos un proxy público que soporta CORS: | |
// http://www.corsproxy.com/ | |
// Configuramos la instancia para que entienda el formato | |
//en el que llega el CSV: http://bit.ly/1jHXDvm | |
csv = new CSVLayer("http://www.corsproxy.com/datos.santander.es/api/rest/datasets/paradas_bus.csv",{ | |
columnDelimiter: ";", | |
latitudeFieldName: "wgs84_pos:lat", | |
longitudeFieldName: "wgs84_pos:long" | |
}); | |
var orangeRed = new Color([238, 69, 0, 0.5]); | |
var marker = new SimpleMarkerSymbol("solid", 10, null, orangeRed); | |
// Establecemos el símbolo que se utilizará para | |
// representar los datos | |
var renderer = new SimpleRenderer(marker); | |
csv.setRenderer(renderer); | |
// Y asociamos un pequeño modal con información extra. | |
var template = new InfoTemplate( | |
"Datos de la parada", | |
"<a href='${id}' target='_blank'>Más info" | |
); | |
csv.setInfoTemplate(template); | |
map.addLayer(csv); | |
}); |
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html, body, #map { | |
height: 100%; | |
width: 100%; | |
margin: 0; | |
padding: 0; | |
} | |
body { | |
background-color: #FFF; | |
overflow: hidden; | |
font-family: "Trebuchet MS"; | |
} |
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