NIM065979 for ArcGIS API for JavaScript

Número de ID del error	NIM065979
Enviado	March 15, 2011
Última modificación	June 5, 2024
Relacionado con	ArcGIS API for JavaScript
Versión encontrada	2.2
Lenguaje del programa	JavaScript
Versión corregida	2.2
Estado	Fixed

Información adicional

This sample was using a deprecated service. I fixed the sample and published it to the help system, here's a link to the working sample:

Solución alternativa

Sample code with another map service.<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "<a href="http://www.w3.org/TR/html4/strict.dtd" target="_blank">http://www.w3.org/TR/html4/strict.dtd</a>"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=7" />  <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/> <title>Simplify a polygon</title> <link rel="stylesheet" type="text/css" href="<a href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.2/js/dojo/dijit/themes/claro/claro.css" target="_blank">http://serverapi.arcgisonline.com/jsapi/arcgis/2.2/js/dojo/dijit/themes/claro/claro.css</a>"> <script src="<a href="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.2" target="_blank">http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.2</a>" type="text/javascript"></script> <script type="text/javascript"> dojo.require("esri.map"); dojo.require("esri.tasks.geometry"); dojo.require("esri.geometry"); var map = null; var gsvc = null; var qtask = null; var polygonGraphic = null; var queryGraphic = null; function initialize() { map = new esri.Map("map"); dojo.connect(map, "onLoad", function () { drawPolygon(); }); var layer = new esri.layers.ArcGISDynamicMapServiceLayer("<a href="http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer" target="_blank">http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer</a>"); map.addLayer(layer); //map.setExtent(new esri.geometry.Extent(-85.974236093929, 37.8793271200451, -85.3777322115035, 38.4978151750415, new esri.SpatialReference({wkid: 4326}))); gsvc = new esri.tasks.GeometryService("<a href="http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer" target="_blank">http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer</a>"); qtask = new esri.tasks.QueryTask("<a href="http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2" target="_blank">http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2</a>"); } function drawPolygon() { var latOffset, lonOffset, center, lat, lon, points; ///// Get map center center = map.extent.getCenter(); lat = center.y; lon = center.x + 500; ///// Create a Green Polygon latOffset = 500; lonOffset = 500; points = [ new esri.geometry.Point(lon - lonOffset, lat), new esri.geometry.Point(lon, lat + latOffset), new esri.geometry.Point(lon + lonOffset, lat), new esri.geometry.Point(lon, lat - latOffset), new esri.geometry.Point(lon - lonOffset, lat), new esri.geometry.Point(lon - 2 * lonOffset, lat + latOffset), new esri.geometry.Point(lon - 3 * lonOffset, lat), new esri.geometry.Point(lon - 2 * lonOffset, lat - latOffset), new esri.geometry.Point(lon - 1.5 * lonOffset, lat + latOffset), new esri.geometry.Point(lon - lonOffset, lat) ]; var polygon = new esri.geometry.Polygon(); polygon.addRing(points); polygon.spatialReference = new esri.SpatialReference({ wkid: 2253}); // Add the polygon to map var symbol = new esri.symbol.SimpleFillSymbol().setStyle(esri.symbol.SimpleFillSymbol.STYLE_SOLID); polygonGraphic = new esri.Graphic(polygon, symbol); map.graphics.add(polygonGraphic); } function doSimplify() { gsvc.simplify([ polygonGraphic.geometry ], simplifyCallback); } function simplifyCallback(geometries) { alert("Number of Rings returned by Simplify operation = " + geometries[0].rings.length); polygonGraphic.setGeometry(geometries[0]); doQuery(polygonGraphic); // select a ring to do query } function doQuery(polygonGraphic) { var query = new esri.tasks.Query(); //query.spatialRelationship = esri.tasks.Query.SPATIAL_REL_INTERSECTS; query.spatialRelationship = esri.tasks.Query.SPATIAL_REL_CONTAINS; query.geometry = polygonGraphic.geometry; query.returnGeometry = true; qtask.execute(query, queryCallback); //alert(query); } function queryCallback(featureSet) { map.graphics.remove(queryGraphic); var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0,0,255,255]), 2), new dojo.Color([0,0,255,0.35])); var features = featureSet.features; //alert("Features : " +features); var polys = new esri.geometry.Polygon(); //For performance, push all featureSet polygons into polys geometry. //Users will not be able to query individual polygons, but the display will be faster for (var j=0, jl=features.length; j<jl; j++) { var featureGeom = features[j].geometry; for (var k=0, kl=featureGeom.rings.length; k<kl; k++) { var featureGeomRing = featureGeom.rings[k]; polys.addRing(featureGeomRing); } } //alert(polys); queryGraphic = new esri.Graphic(polys,symbol) map.graphics.add(queryGraphic); //alert("Inside querycall back"); } dojo.addOnLoad(initialize); </script></head><body class="claro"> Many spatial operations require topologically correct geometry. <br/><input type="button" value="Simplify the polygon and Do a Query with simplified polygon" onclick="doSimplify();" /> <br/>If you try to use the self-intersecting geometry above without simplifying it you will get incorrect results. <br/><input type="button" value="Execute query task without simplifying polygon" onclick="doQuery(polygonGraphic);" /> <div id="map" style="width:600px; height:400px; border:1px solid #000;"></div></body></html>