https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-query-correct-sublayer-of-a-wayback/m-p/1042616#M72313 <P>I am adding a couple Wayback (historical imagery) tiled map services and metadata layers to an 4.x app.&nbsp; The Wayback app has some great popups that show the collection date, source, and resolution of a point clicked on the map.&nbsp; For UI consistency (and other workflow) reasons, I'd rather not just add the Portal item to my app, which would include the popups.&nbsp; I'd rather just add the WMTS and associated metadata layer, and wire up the click event and MapService query myself.&nbsp; However taking for example one of the metadata MapServer endpoints (<A href="https://metadata.maptiles.arcgis.com/arcgis/rest/services/World_Imagery_Metadata_2014_r03/MapServer" target="_blank">https://metadata.maptiles.arcgis.com/arcgis/rest/services/World_Imagery_Metadata_2014_r03/MapServer</A>), I do not know how to determine which sublayer to query.&nbsp; I'm unclear how to match up my current view with the correct resolution sublayer for the metadata.&nbsp; Keep in mind I also have the associated WTMS added (my basemap has the metadata as the reference layer, and the WTMS layer as base layer.&nbsp; Does anyone have any suggestions?</P> Wed, 31 Mar 2021 21:09:09 GMT Jay_Gregory 2021-03-31T21:09:09Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-query-correct-sublayer-of-a-wayback/m-p/1042616#M72313 <P>I am adding a couple Wayback (historical imagery) tiled map services and metadata layers to an 4.x app.&nbsp; The Wayback app has some great popups that show the collection date, source, and resolution of a point clicked on the map.&nbsp; For UI consistency (and other workflow) reasons, I'd rather not just add the Portal item to my app, which would include the popups.&nbsp; I'd rather just add the WMTS and associated metadata layer, and wire up the click event and MapService query myself.&nbsp; However taking for example one of the metadata MapServer endpoints (<A href="https://metadata.maptiles.arcgis.com/arcgis/rest/services/World_Imagery_Metadata_2014_r03/MapServer" target="_blank">https://metadata.maptiles.arcgis.com/arcgis/rest/services/World_Imagery_Metadata_2014_r03/MapServer</A>), I do not know how to determine which sublayer to query.&nbsp; I'm unclear how to match up my current view with the correct resolution sublayer for the metadata.&nbsp; Keep in mind I also have the associated WTMS added (my basemap has the metadata as the reference layer, and the WTMS layer as base layer.&nbsp; Does anyone have any suggestions?</P> Wed, 31 Mar 2021 21:09:09 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-query-correct-sublayer-of-a-wayback/m-p/1042616#M72313 Jay_Gregory 2021-03-31T21:09:09Z