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ArcPy + DEM file(s) -> Image Service -> ElevationLayer

04-19-2024 04:21 PM
New Contributor III

I am using ArcPy 10.8, a standalone ArcGIS Server 10.8.1, and ArcGIS JS (with map and scene view ...).

In JS, I am trying to add an ElevationLayer to map using an Image Service like this:

By creating an .sd file from my ArcPy script that reads in DEM files and add them to a mosaic dataset.


Currently the .sd file is successfully created and Image Service is published to my ArcGIS Server. However it shows nothing when I go to the server manager and click on this service and try to look at it in ArcGIS Online Map Viewer.


I created this service from a single DEM .tif file (TDF_N49E120_01_DEM.tif). To test this service again I added both to Ground in Elevation Surfaces in ArcGIS Pro (shown in the 2 screenshots). By enabling the tif file and disabling the service, the elevation is shown correctly as a rectangular block. But enabling the service and disabling the tif file makes the ground in that region turn into a rectangular hole.


From some research, I think this problem is with my ArcPy script and that it only specified the horizontal coordinate system (WGS84) but not the vertical one:


# Create a mosaic dataset from a folder of images
    print('Creating gdb\n')
    arcpy.CreateFileGDB_management(workspacePath, GDBName)

    print('Creating a new empty mosic dataset in geodatabase')
    arcpy.CreateMosaicDataset_management(GDBPath, Name, SrsLookup['WGS84'], 1, "32_BIT_FLOAT")

    print('Adding images to mosaic dataset')
    arcpy.AddRastersToMosaicDataset_management(MosaicDatasetPath, "Raster Dataset", inputFolderPath)
    print('Messages after attempting to create the mosaic dataset:')
    print(arcpy.GetMessages() + "\n")
	sys.exit("Failed in authoring a mosaic dataset\n")


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