nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

QueryTask result features set to wrong projection system

SadanandacharB1

Hi All,

I am getting QueryTask result features in wrong projection system,

1. Task : Migrating of Arcgis server from 10.0 to 10.2.1

2. Development: Silverlight application version 5.0

3. All original map service layers render in correct location in the Map control.

4. But after the using Query task on route event layer, the result objects are set to wrong projection system, it pans to the coast of Africa near Nigeria, when i check the WKID for result features it is set to 102100.

I have also set outSpatialReference [source from map] on query result features no use,

Any one can please help on this...

Thanks

Sadanand

Vind meer berichten getagd met

Accepted answers

All comments

JamesWallace2

I am having the exact same issue. Just using esri sample data. I am creating a query using the Naperville sample data Layer: Water System Valves (ID: 15) My query results are displaying in Africa, when I use the streets basemap in my application. If I don't use a basemap in my application the query displays the graphics in the correct location, at least in relation to the rest of the feature layers. This is the query object:

var query = new Query();
query.returnGeometry = true;
query.outFields = ["*"];
query.outSpatialReference = map.spatialReference;

I'm pretty sure this is a projection issue, so I have been changing the outSpatial Reference in the query. this doesn't seem to help. Any help will be appreciated please let me know if any clarification is needed.

ThibautDelaere1

Was this issue ever solved? We're having the same behavior on some of our servers (ArcGIS Server 10.3.1).

Query on object id's stays in WGS84 instead of WGS84 web mercator.

SadanandacharB1

Hi Jennifer,

Thanks for your replay, below are the details that I have tried.

1. Copied the Geodatabase from Oracle to Geodatabase at Oracle using ArcCatalog 10.2.1 tool copy 'Feature Class to Feature Class'. This is for the purpose of Upgrading the ArcGIS 10.0 to ArcGIS 10.2.1 [New Machine used for ArcGIS server 10.2.1]

2. Created a ArcMap file and added the below layer

2a. Roads feature layer with M values from the Oracle Geodatabase.

2b. Added attribute table called Bridges_details. [View in the same Geodatabase]

2c. Created a 'Make Route Event Layers' using the above 2 layer, this is to show the bridge points on top of road

3. All the above 3 layers are in the projection system 'WGS_1984_UTM_Zone_44N' by default.

4. In .mxd file 'Layers' projection system is set to WGS_1984_Web_Mercator_Auxiliary_Sphere WKID: 102100, this is published as Mapservices

5. When I run the Silverlight web application all published layers and a basemap are displayed in correct location.

6. I am using QueryTask to locate bridge points, and below are the details.

6a. Mainpage.map.SpatialReference is set to WKID: 102100

6b. Query.OutSpatialReference is set with Mainpage.map.SpatialReference [i.e. 102100]

6c. GraphicsLayer is used to add QueryTask results

7. But QueryResult.Features are not come back as expected, [locating in Africa near Nigeria UTM zone 30 and 31]

8. And one thing I noticed when I provide Bridges_details attribute table [RDBMS View] as a file geodatabase, the QueryResult.Features returns correctly as I expected

What could be the reason please help me, I prefer to use Bridges_details view as dynamic.

Thanks

Sadanand

JenniferNery

Hi Sadanand,

What error message do you get from QueryTask? What SpatialReference is the service in and what is the SpatialReference of your map? Setting Query.OutSpatialReference should return features in that SpatialReference. Does the QueryResult.Features come back with the expected SpatialReference? Are you using GraphicsLayer or FeatureLayer to display these features?

Sorry I have more questions than answers. You can also try running Fiddler to see if there are any error messages from the server and if that error is being captured in the TaskFailedEventArgs when you subscribe to QueryTask.Failed event.

SadanandacharB1

Hi Dominique, thanks for the replay, even i had try this by setting this property like below

myQuery.OutSpatialReference = Mainpage.map.SpatialReference; but getting the same error, what could be the cause ? please help on this issue..

Thanks

Sadanand

DominiqueBroux

You have to set the Query.OutSpatialReference before executing the query task.

There are a few query samples that demonstrate how to do it in the Silverlight interactive SDK.

If you are experiencing issues in a specific use case, please share a repro.

Thanks

/Dom

Doe mee aan het gesprek

Aangemelde leden kunnen berichten plaatsen, updates volgen en meer. Nieuw hier? Registreer een gratis account.

Snelle Links

Community Help
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.