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Bug

Tile layers, as a set of web-accessible tiles and not a service, are unable to display past level 19 in the Javascript API, although tiles exist in levels 20 to 23.

Zuletzt veröffentlicht: January 11, 2016 ArcGIS Online
Bug-ID-Nummer BUG-000093105
EingereichtDecember 21, 2015
Zuletzt geändertDecember 1, 2020
Gilt fürArcGIS Online
Gefunden in Version3.1
StatusWill Not Be Addressed

Zusätzliche Informationen

This is by design. The number of levels of detail (LODs) available is set based on the first map loaded. So, if using Esri basemaps, it does not go beyond 19. The Open Cycle Map web tiled layer is based off of the OpenStreetMap layer and has the same amount of LODs as the Esri basemaps. This explains why it does not go beyond 19. If resampling is enabled, it does not mean it can resample to any scale. The only purpose of resampling is to enlarge the image and fill in at the levels where there are no tiles available. This should not affect the LODs, as they are already set with the original basemap. Additionally, the tile service used as a basemap in the Streets23 map service from the following link, http://tiles.arcgis.com/tiles/Wl7Y1m92PbjtJs5n/arcgis/rest/services/streets23/MapServer\, shows all 23 LODs, even if the Homestead web tiled layer is added after the custom basemap (although it cannot be seen, assuming it is not in the same coordinate location). The spatial reference, tile and LOD information for the Homestead web tiled layer is unknown but just from viewing the two, it can be assumed that all the spatial reference, tile information, and LODs do not match up exactly. Without knowing specifically what the spatial reference, tiles, or LODs used in the web tiled layer are, one possible option is to set custom LODs using something comparable to what is provided in the sample code from the following link, https://developers.arcgis.com/javascript/jssamples/map_customtilelevels.html.

Schritte zur Reproduzierung

Bug-ID: BUG-000093105

Software:

  • ArcGIS Online

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