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Solve route and buffer the route geometry

MuraliSridhar

I am trying to the solve the route between 2 points and immediately buffering the route geometry.

I can able to solve the route by using the "Esri/resource-proxy" [sourcehttps://github.com/Esri/resource-proxy/releases], changed the proxy config [with routing URL, client id and client secret] and added proxy rule in my code.

Proxy rule:

urlUtils.addProxyRule({

urlPrefix: "tasks.arcgisonline.com",

proxyUrl: "http://xyz/DotNet/proxy.ashx"

});

I have been prompted with ArcGIS online signin popup with user name and password,

After successful authentication, I am passing the route geometry to do and show buffer. But I am getting below exception

"Unable to load http://xyz/DotNet/proxy.ashx?http://tasks.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer/buffer status: 0"

This time I am setting ""esriConfig.defaults.io.alwaysUseProxy = false", but still this request is using proxy

Question 1: How to get rid of sign in popup? I assumed given client Id and client secret will not prompt popup.

Question 2: How to make buffer request with proxy?

Thanks

Murali

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AndrewNault1

This is a really good comment.

MuraliSridhar

Robert,

1. My routing is working perfectly. Please let me know how to get rid of arcgis log in popup before routing for token validation.

2. I have not added any entry for geometryservice in proxy.config and also no proxy rule in JS.

Please find my below doBuffercode

function doBuffer(geometry) {

require(['esri/tasks/BufferParameters', 'esri/tasks/GeometryService',

'esri/config', 'esri/geometry/normalizeUtils', 'esri/urlUtils', ],

function (BufferParameters, GeometryService, esriConfig, normalizeUtils, urlUtils) {

esriConfig.defaults.geometryService = new GeometryService("http://tasks.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer");

esriConfig.defaults.io.proxyUrl = '/proxy/';

esriConfig.defaults.io.alwaysUseProxy = false;

//setup the buffer parameters

var params = new BufferParameters();

params.distances = [vmRoute.maxBufferRadius];

// params.bufferSpatialReference = { wkid: 4326 };

params.outSpatialReference = { wkid: 4326 }; //_map.spatialReference;

params.unit = GeometryService[vmRoute.bufferUnit.name];

esriConfig.defaults.geometryService.buffer(params, showBuffer);

});

}

rscheitlin

Murali,

OK great that you have the two urls in your proxy config now you need to add the rule to your JS code to tell the API to use the proxy if the urls are used

urlUtils.addProxyRule({

urlPrefix: "http://route.arcgis.com",

proxyUrl: "http://xyz/DotNet/proxy.ashx"

}, {

urlPrefix: "http://traffic.arcgis.com",

proxyUrl: "http://xyz/DotNet/proxy.ashx"

});

2. Remove the http://tasks.arcgisonline.com from the proxy.config and from the urlUtils.addProxyRule

MuraliSridhar

Robert,

Thanks for your reply.

1. I already have 2 urls in my proxy config

2. Sorry. My 2nd question is wrong. Actually I don't want to use my proxy for buffer [gemonetryService] .

Though I set "esriConfig.defaults.io.alwaysUseProxy = false" during my buffer request, it sill using the proxy.

rscheitlin

Murali,

See this blog post for help: Setting up a Proxy | Support Services Blog

You need to add a proxy rule for the urls that are used in the directions requests. http://route.arcgis.com, http://traffic.arcgis.com
Make sure you have added the two urls above and the http://tasks.arcgisonline.com to the proxy.config

<serverUrl url="http://route.arcgis.com" clientId="xyz" clientSecret="xyz" rateLimit="600" rateLimitPeriod="60" matchAll="true" />
<serverUrl url="http://traffic.arcgis.com" clientId="xyz" clientSecret="xyz" rateLimit="600" rateLimitPeriod="60" matchAll="true" />
<serverUrl url="http://tasks.arcgisonline.com" matchAll="true" />

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