topic Re: Sub-layer Transparency in Dynamic Layer in ArcGIS Viewer for Flex Questions

Sub-layer Transparency in Dynamic Layer

MaisarahAbdulHalim — Tue, 24 Sep 2013 12:04:47 GMT

Hi, I need to have one of my dynamic sublayers transparent and what I did was as below (id="1"), but nothing happened. What is the correct way to do it?

 <layer type="dynamic" label="State" imageformat="png8" url="http://localhost:6080/arcgis/rest/services/State/Test/MapServer" visible="true">                 <sublayer id="2" popupconfig="popups/PopUp_11.xml"/>    <sublayer id="1" alpha="0.20"/>                  <sublayer id="6" popupconfig="popups/PopUp_21.xml"/>                 <sublayer id="5" popupconfig="popups/PopUp_31.xml"/>                 <sublayer id="4" popupconfig="popups/PopUp_41.xml"/>                 <sublayer id="3" popupconfig="popups/PopUp_51.xml"/>                 <sublayer id="1" popupconfig="popups/PopUp_61.xml"/>                 <sublayer id="0" popupconfig="popups/PopUp_71.xml"/>             </layer>

Thanks in advance! 🙂

Maisarah

Re: Sub-layer Transparency in Dynamic Layer

RobertScheitlin__GISP — Tue, 24 Sep 2013 12:23:08 GMT

Maisarah,

There is NO support for doing this in the config.xml. It has to be done at the server level before publishing the map service. If the map service server you are using a 10.1 or higher server than you can use LayerDrawingOptions.

Re: Sub-layer Transparency in Dynamic Layer

MaisarahAbdulHalim — Tue, 24 Sep 2013 12:33:39 GMT

Thanks for your reply Robert..

I'm using a 10.1 Server, any links on the LayerDrawingOptions i can read about to do it?

And also, if the layer transparency was initially specified in ArcMap before publishing to server, can the transparency of my dynamic sub-layer be seen?

Regards

Maisarah

Re: Sub-layer Transparency in Dynamic Layer

RobertScheitlin__GISP — Tue, 24 Sep 2013 12:56:08 GMT

Maisarah,

When you set a sublayers transparency in Arcmap then that should come through in your map service when using imageFormat="png32", (also covered in the docs).

https://developers.arcgis.com/en/flex/api-reference/com/esri/ags/layers/ArcGISDynamicMapServiceLayer.html

Here is the links to the API docs for LayerDrawingOptions:

https://developers.arcgis.com/en/flex/api-reference/com/esri/ags/layers/supportClasses/LayerDrawingOptions.html

Re: Sub-layer Transparency in Dynamic Layer

MaisarahAbdulHalim — Tue, 24 Sep 2013 13:15:26 GMT

Thanks a lot Robert..