こんにちは。
Webマップ上のプロジェクトエリアのポリゴンには、それぞれ異なる色のシンボルを設定しています。これは、プロジェクト名が入力されたフィールドに基づいています。ユーザーが新しいプロジェクトポリゴンをマップに追加したとき、そのポリゴンにも固有の色を設定したいのですが、定期的にArcmapを開いてシンボルを更新し、サービスを再公開する以外に方法はありますか？
よろしくお願いします。
Do you have the list of all the project names? Then you could Create Subtypes and define appropriate symbology to the feature class (even if the features are not yet created in it).
You could also standardize the process in which the user will get the list of project names in a drop-down by creating Attribute Domain. Exercise 3: Create subtypes and attribute domains—ArcGIS Help | ArcGIS Desktop
I am unable to create subtypes and domains for this project because the list of projects is constantly changing, as new projects are being added all the time. So that idea likely wont work. Thanks for the response though!
Maybe you could use the ObjectID? If colors are already assigned to a certain amount of numbers (1 to ...), the colors will show up as soon as a user creates a new feature which will be attributed the ObjectID.
To apply the symbology, you may need to create some features to assign colors to numbers and then delete these features...
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