Flow Direction Arrows - ArcGIS Online

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04-04-2014 07:41 AM
MatthewMcLamb2
New Contributor II
I am hosting my GIS data in ArcGIS Online, not using ArcGIS Server, and when I publish my sewer data (with mains symbolized with flow direction arrows) it does not show up correctly. I published the line as a green line with black arrows. In ArcGIS Online it shows up as a thick black line with no arrows.

Any thoughts on how to get this to work or what may be causing this?

Thanks in advanced and God bless!

Matthew
Tags (2)
15 Replies
MikeMinami
Esri Notable Contributor
This may help.

http://resources.arcgis.com/en/help/main/10.2/index.html#//015400000393000000

My guess is that the symbol you're using to draw the lines in desktop is not supported when publishing the data to the web.

For line layers, simple line symbols are supported. If other symbols are used, the feature service converts them to a simple line symbol that best represents the original symbol. For example, a cartographic line symbol in the map document may be drawn as a simple solid line in a feature service client. If a line symbol is complex or has multiple layers, the feature service downgrades the line to best represent the original line symbol.


Thanks,

Mike
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JohnSchulz
New Contributor II
A solution to the symbology problem would be to duplicate your feature service as a map service.  You would then overlay your feature service on top the map service giving your self feature access as well as your normal  symbology.  The down side of this you have another service on AGOL and if you use tiles on your data (which you will probably need), it will consume many credits.  Just an option. Hope this helps

John Schulz
GIS Analyst
Geospatial Analysis & Data Development Services
John.Schulz@austintexas.gov
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DaveWilliams2
New Contributor II
This may help.

http://resources.arcgis.com/en/help/main/10.2/index.html#//015400000393000000

My guess is that the symbol you're using the draw the lines in desktop is not supported when publishing the data to the web.



Thanks,

Mike


Mike,
   I'm having the same issue. I'm publishing to an .sd file and using the FeatureServer URL to create a map service online and when using flow arrows it appears the flow arrows draw a million times per line feature creating a thick black line. Black because that the color of the flow arrows. Any help is greatly appreciated. Thanks.
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DavidForbuss1
Occasional Contributor II

I could really use this for our sewer system lines as well.  I know it's possible if you have your own server, so why can this not be implemented on AGOL hosted features?

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MikeMinami
Esri Notable Contributor

It's a technical limitation. A feature layer (hosted or not) passes the feature geometry to the client app (browser, mobile device, desktop app) and the client draws it. Web browsers don't have the ability to draw complex line symbols.

thanks,

Mike

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DavidForbuss1
Occasional Contributor II

This feature service has arrows on it: 

I think it has something to do with being in a "map image layer", which if I understand correctly is only available if you have your own server.

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MikeMinami
Esri Notable Contributor

Yes, map image layers are drawn by the server and return an image of the drawing to a client application. You do need your own server to host a map image layer.

AndresCastillo
MVP Regular Contributor

Is there any resolution to this?

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AndresCastillo
MVP Regular Contributor

oThis geonet thread gives info on how to symbolize properly:

Initially, I added specific service url's to the mxd from another published service.

For example, http://domain/arcgis/rest/services/SanitarySystem/ServiceName/MapServer/10

I had this layer grouped in the mxd with another layer.

Published it using ArcGIS server as the host.

The symbology was ok in the rest end point viewer.

When I added the layer url to a web map on agol, it turned into a solid black line.

I tried adding the group parent url to the web map, but the web map shows an error:

The layer is not a supported type and cannot be added to the map.

Three possible solutions:

1

add the whole server url to the web map

http://domain/arcgis/rest/services/SanitarySystem/ServiceName/MapServer

  • One con of doing it this way is that if you have other layers in the web map, the web map places this towards the bottom of the layer list.
  • The user cannot reorder it.
  • If there are non-transparent polygons on top of this map service, then it will be covered.

Also, I attempted to remove the unnecessary layers from the web map, but it seems that once you add the MapServer url, you cannot remove the individual index layers of that map service.

2

Symbolize the line arrow by itself (NOT in a group layer, NOR any other layers in the mxd) in a source mxd.

Publish as a map service using ArcGIS server.

Add the Map service url (http://domain/arcgis/rest/services/SanitarySystem/ServiceName/MapServer) to web map

  • One con of doing it this way is that if you have other layers in the web map, the web map places this towards the bottom of the layer list.
  • The user cannot reorder it.
  • If there are non-transparent polygons on top of this map service, then it will be covered.

Do not add the 'http://domain/arcgis/rest/services/SanitarySystem/ServiceName/MapServer/0'

3

use any basic line symbol at the mxd, with color of choice, and no arrows.

use agol to accomplish arrow symbology

change style

select a drawing style

symbols

Arrow

2 pixels width

choose the arrow pointing to the right (third one down).