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Utiliser des symboles ponctuels personnalisés dans ArcGIS Online

ttamba

Bonjour à tous,
Je travaille actuellement sur un projet de cartographie géologique destiné à publier et à partager des informations sur la géologie de surface dans ArcGIS Online avec le public. J’ai créé un projet MXD que j’ai publié sous forme de couche d’entités hébergée. Malheureusement, tous les symboles ponctuels personnalisés que j’utilisais dans ArcGIS Desktop ont été remplacés, et je ne trouve pas dans ArcGIS Online de symboles linéaires personnalisés pour remplacer ceux qui sont obsolètes.

Quelqu’un aurait-il une solution de contournement ?

Cordialement !

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Accepted answers

XiaolongFeng1

Hi Tahir,

However, we do support using an online image to be the symbol of the feature.

You can find how to do it here: Change Style reference—ArcGIS Online Help | ArcGIS

...and if you want to use your own symbol, click Use an image, enter the URL of the image, and click the add button . For best results, use a square image (PNG, GIF, or JPEG) no greater than 120 pixels wide by 120 pixels high. Other sizes will be adjusted to fit....

Hope this is helpful.

All comments

AdrianWelsh

Tahir,

I believe this is what happens when publishing layers to the cloud. I think the only way to keep your custom symbology is to publish to an enterprise solution like ArcGIS Server. At least, that is what I have personally experienced.

This site shows what is supposed in ArcGIS Server Map Services

Supported functionality in map services—Documentation | ArcGIS Enterprise

Layer symbology
The following layer symbology options are available:
Charts
Dot density
Graduated colors
Graduated symbols
Proportional symbols
Representations (recommended for cached maps only)
Single symbol
Unique values

ttamba

Hi Adrian,

Indeed, I had serious doubts that custom symbols were not supported in ArcGIS Online. However, our service does not have an ArcGIS Server license. We had an Organization account. We will have to think about a way to represent certain types of geological information to be faithful to the original raster map ...

Thank you for this clarification.

TRegards!Regards!

XiaolongFeng1

Hi Tahir,

However, we do support using an online image to be the symbol of the feature.

You can find how to do it here: Change Style reference—ArcGIS Online Help | ArcGIS

...and if you want to use your own symbol, click Use an image, enter the URL of the image, and click the add button . For best results, use a square image (PNG, GIF, or JPEG) no greater than 120 pixels wide by 120 pixels high. Other sizes will be adjusted to fit....

Hope this is helpful.

TonyLeggett

Hi Xiaolong,

If i want to change the selected image automatically according to a field in the feature, how would i do that?

Regards,

Tony

KellyGerrow

Hi Tony,

This may be possible using Arcade expressions:

Change style—ArcGIS Online Help | ArcGIS

-Kelly

TonyLeggett

Thanks Kelly, that worked nicely. I inserted this snippet as a test. Found the Custom (Expression) menu option hidden at the bottom of the Choose attribute to show list. The next step is to find or create some high quality tropical cyclone symbols with background transparency.

Function showImg(value){
    if (value == '1'){
        return 'TC1a.png'
    }
    if (value == '0'){
        return 'TC1b.png'
    }
}
showImg($feature.category)

YukiHuang

A further question about this:

I want to use an image as a symbol, and all the URLs to the images are stored in a field of the attribute table. Is there a way to automate this process?

Thank you!

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