https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577149#M86406 <P>Hello members of the ESRI community,</P><P>I’m starting to work with Calcite and would like to create an application that can basically load a set of predefined layers when the application starts. These layers should have a series of actions (enable, disable, transparency).</P><P>I’ve decided to use the list component to manage this. My question is: what’s the best way to specify the layers that should be preloaded? Perhaps through a configuration file?</P><P>I’m not sure what the best practice would be in this case. An example would also be very helpful.</P><P>Thank you very much!</P><P><span class="lia-unicode-emoji" title=":world_map:">🗺</span></P> Mon, 20 Jan 2025 09:37:49 GMT Antonio_Fraga 2025-01-20T09:37:49Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577149#M86406 <P>Hello members of the ESRI community,</P><P>I’m starting to work with Calcite and would like to create an application that can basically load a set of predefined layers when the application starts. These layers should have a series of actions (enable, disable, transparency).</P><P>I’ve decided to use the list component to manage this. My question is: what’s the best way to specify the layers that should be preloaded? Perhaps through a configuration file?</P><P>I’m not sure what the best practice would be in this case. An example would also be very helpful.</P><P>Thank you very much!</P><P><span class="lia-unicode-emoji" title=":world_map:">🗺</span></P> Mon, 20 Jan 2025 09:37:49 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577149#M86406 Antonio_Fraga 2025-01-20T09:37:49Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577154#M86407 <P>Hi Antonio,</P><P>You should use a webmap from Portal or Archos online.</P> Mon, 20 Jan 2025 10:32:47 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577154#M86407 AndreV 2025-01-20T10:32:47Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577297#M86411 <P>This existing sample might be a good starting point.<BR /><BR /><A href="https://developers.arcgis.com/javascript/latest/sample-code/layer-list-actions/" target="_blank">https://developers.arcgis.com/javascript/latest/sample-code/layer-list-actions/</A><BR /><BR />It shows how you can config a layerlist widget to control what layers are shown, and control transparency.</P> Mon, 20 Jan 2025 23:25:26 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/show-layers/m-p/1577297#M86411 JamesIng 2025-01-20T23:25:26Z