topic CustomTileLayer - Fill in missing tiles in Data Management Questions https://community.esri.com/t5/data-management-questions/customtilelayer-fill-in-missing-tiles/m-p/735512#M41610 <HTML><HEAD></HEAD><BODY><P>I have a CustomTileLayer which I wrote following the sample located <A href="https://developers.arcgis.com/javascript/latest/sample-code/sandbox/index.html?sample=layers-custom-tilelayer">here </A>almost verbatim...It seems to work, but in the sample there are never any missing tiles in their dataset - in my case there are often missing tiles, and so I end up with a blank/black square in the map.&nbsp; What I would like to see instead of a black hole is a lower resolution tile (which does exist).&nbsp; For example, in the image below I'm zoomed in to level 14.&nbsp; Zoomed in that far, three tiles show up, but the upper-right one is missing.&nbsp; Ideally I would have the hole filled with the next available lower resolution tile. If a level 13 tile exists at that location, then it would use the proper quadrant of that tile.&nbsp; I would have thought it would work that way by default, but apparently not. Is there something I've missed.&nbsp;</P><P></P><P><IMG alt="" class="jive-emoji image-1 jive-image j-img-original" src="https://community.esri.com/legacyfs/online/482461_Missing.png" /></P></BODY></HTML> Mon, 17 Feb 2020 22:14:39 GMT RiverTaig 2020-02-17T22:14:39Z CustomTileLayer - Fill in missing tiles https://community.esri.com/t5/data-management-questions/customtilelayer-fill-in-missing-tiles/m-p/735512#M41610 <HTML><HEAD></HEAD><BODY><P>I have a CustomTileLayer which I wrote following the sample located <A href="https://developers.arcgis.com/javascript/latest/sample-code/sandbox/index.html?sample=layers-custom-tilelayer">here </A>almost verbatim...It seems to work, but in the sample there are never any missing tiles in their dataset - in my case there are often missing tiles, and so I end up with a blank/black square in the map.&nbsp; What I would like to see instead of a black hole is a lower resolution tile (which does exist).&nbsp; For example, in the image below I'm zoomed in to level 14.&nbsp; Zoomed in that far, three tiles show up, but the upper-right one is missing.&nbsp; Ideally I would have the hole filled with the next available lower resolution tile. If a level 13 tile exists at that location, then it would use the proper quadrant of that tile.&nbsp; I would have thought it would work that way by default, but apparently not. Is there something I've missed.&nbsp;</P><P></P><P><IMG alt="" class="jive-emoji image-1 jive-image j-img-original" src="https://community.esri.com/legacyfs/online/482461_Missing.png" /></P></BODY></HTML> Mon, 17 Feb 2020 22:14:39 GMT https://community.esri.com/t5/data-management-questions/customtilelayer-fill-in-missing-tiles/m-p/735512#M41610 RiverTaig 2020-02-17T22:14:39Z