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Dynamic Legend picture fill hatch symbology

IanHamilton

Hi , Has any one managed to get the dynamic legend widget the show these types of legend colours.
I can only get a solid fill colour no matter what I publish?

Or is there an alternative legend I cuold use?

Thanks,

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WallaceBezerra

I'm using the SOAP API to fetch all the hatch symbology. They come as an ByteArray and you can set the source property of a spark image control to show them on screen.

If you need a detailed explanation, let me know.

RobertScheitlin__GISP

Ian,

I will test my dynamic legend against all possible symbol type and create a map service that demo all that work and details the ones that do not because of REST Endpoint limitations.

RobertScheitlin__GISP

Ian,

So it looks like even with ArcGIS Server SP1 the REST Endpoint is still having issues with Polygons:

Gradient Fill Symbols
Marker Fill Symbols
Line Fill Symbols
Anything Composite

Lines:

Hash Line Symbol
Picture Line Symbol
Marker Line Symbol
Anything Composite

What the dynamic legend uses is the drawingInfo from the REST Endpoint and that is where it is having issues.

All of this is actually fixed in SP1 if you use the new legend endpoint like this one
http://gis.calhouncounty.org/ArcGIS/rest/services/Symbols/MapServer/legend

But I will have to re-write the dynamic legend to use this new feature and then of course require SP1

jhomme981_0-1637559306684.png

IanHamilton

Thanks,

I'll await the result of your endeavours!

RobertScheitlin__GISP

Ian,

Here you go:

http://www.arcgis.com/home/item.html?id=417d8ac371144a448ffe553094e4b351

AshleyOwens

Robert, can you repost the link to the updated dynamic legend code? That link was broken for me. This widget is great! The only thing I'm having trouble with is hatched polygons showing as solid, so I'd love to get the updated code. Thanks!

RobertScheitlin__GISP

Ashley,

All you need to do is check the code gallery.

http://www.arcgis.com/home/item.html?id=f60406b9f52340d59eb557bf64136af6

AshleyOwens

Robert,
That's the version I'm currently using - does it have the hatched polygon fix? Mine are still showing as solid.
Thanks,
Ashley

RobertScheitlin__GISP

Ashley,

Do you have ArcGIS Server 10 SP1 or greater?

AshleyOwens

Yes, we are on 10 sp2.

RobertScheitlin__GISP

Ashley,

Is the symbol type you are talking about in the legend at my live preview site?

http://gis.calhouncounty.org/FlexViewer2.4/index.html?config=config-dLegend.xml

If not what symbol are you attempting?

AshleyOwens

Hi Robert. Please see attached file where I've included the symbols as they display in our static legend as well as in the dynamic legend. Thanks so much for all your hard work on this, and for your continued support! --Ashley

Symbols appearing as solid in Dynamic Legend.doc

BjornSvensson

For complex symbols, there is somtimes a difference between the symbol that ArcGIS Server draws in the server-side created legend, and the (sometime simplified) symbol representation that it reports on the REST Service directory (which I'm guessing is what Robert's widget is using).

This symbol mismatch is also true for certain complex symbols if you compare how they look in the Edit Widget (using the REST symbol) and the Legend widget (created server-side). We are working on ways to make that better for 3.0 and ArcGIS 10.1.

I'm guessing this might be same issue causing problems for Ashley.

AshleyOwens

Robert - Can the symbols in my earlier attached file be supported in the Dynamic Legend widget?
Thank you!

RobertScheitlin__GISP

Ashley,

Bjorn is spot on, as it looks like the symbology that you are using is composite line symbols and REST does not handle those correctly. The only work around for now is to change the symbolgy you are using for those. FEMA actually uses a simpler green and yellow solid fill pattern for Flood Zone many times.

AshleyOwens

Hi Robert - We have changed the symbology to solid fill with degrees of transparency (since these layers potentially overlap). These changes work for us on the map, but the symbols in the Dynamic Legend appear brighter than in the map. Symbols with 0 transparency do not have this problem - the colors show up accurately in the Dynamic Legend widget. See attached image for examples of symbols with transparency. Is there another possibility you can recommend for this situation?

Thanks so much,
Ashley

Environmental-symb-changes.jpg

RobertScheitlin__GISP

Ashley,

I just tested some of my own map services with transparency and the dynamic legend shows them correctly transparency and all... I am using SP3 on server not sure that is the difference or not.

AshleyOwens

Bjorn,
Would you say the hatched symbology will be supported in Flex 3.0? They render fine for me on ArcGIS Server 10 sp2.
If so, I will wait to implement this widget when we upgrade Flex.
Thanks!
Ashley

BjornSvensson

Would you say the hatched symbology will be supported in Flex 3.0?

Yes, they should work in Flex API 3.0, as long as you are using ArcGIS Server 10.1.

AshleyOwens

Update: After upgrading to the latest version of Dynamic Legend (Version 2.5.0.1) and verifying we had service pack 2 installed on the server, all symbology renders correctly, included hatched symbols. 🙂 Overall, we are running Flex Viewer 2.5, ArcGIS Server 10.0 sp2.

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