topic Edge Effects with Mosaic Datasets and the Blend Operator in Data Management Questions https://community.esri.com/t5/data-management-questions/edge-effects-with-mosaic-datasets-and-the-blend/m-p/346894#M19804 <HTML><HEAD></HEAD><BODY><SPAN>I have created a Mosaic Dataset of a lidar DEMs.&nbsp; I am using the "blend" mosaic operator; the rest of the settings are default.&nbsp; I also have created a Referenced Mosaic Dataset that points to the original Mosaic Dataset and introduced a Hillshade function.&nbsp; For the most part the Referenced Mosaic Dataset displays a nice hillshade, but on the outside edge of the grids it seems to be having trouble.&nbsp; It results in a blurred edge effect that shifts as you pan.</SPAN><BR /><BR /><SPAN>I changed the mosaic operator in the Referenced Mosaic Dataset to "first" and the problem went away.</SPAN><BR /><BR /><SPAN>It appears that with the "blend" operator the outside edge values are attempting to blend with no-data values.&nbsp; I would expect the "blend" operator to behave the same as it would if you were using the Mosaic to New Raster tool.</SPAN><BR /><BR /><SPAN>Is this a known bug?</SPAN></BODY></HTML> Mon, 30 Jul 2012 22:46:39 GMT JedRoberts 2012-07-30T22:46:39Z Edge Effects with Mosaic Datasets and the Blend Operator https://community.esri.com/t5/data-management-questions/edge-effects-with-mosaic-datasets-and-the-blend/m-p/346894#M19804 <HTML><HEAD></HEAD><BODY><SPAN>I have created a Mosaic Dataset of a lidar DEMs.&nbsp; I am using the "blend" mosaic operator; the rest of the settings are default.&nbsp; I also have created a Referenced Mosaic Dataset that points to the original Mosaic Dataset and introduced a Hillshade function.&nbsp; For the most part the Referenced Mosaic Dataset displays a nice hillshade, but on the outside edge of the grids it seems to be having trouble.&nbsp; It results in a blurred edge effect that shifts as you pan.</SPAN><BR /><BR /><SPAN>I changed the mosaic operator in the Referenced Mosaic Dataset to "first" and the problem went away.</SPAN><BR /><BR /><SPAN>It appears that with the "blend" operator the outside edge values are attempting to blend with no-data values.&nbsp; I would expect the "blend" operator to behave the same as it would if you were using the Mosaic to New Raster tool.</SPAN><BR /><BR /><SPAN>Is this a known bug?</SPAN></BODY></HTML> Mon, 30 Jul 2012 22:46:39 GMT https://community.esri.com/t5/data-management-questions/edge-effects-with-mosaic-datasets-and-the-blend/m-p/346894#M19804 JedRoberts 2012-07-30T22:46:39Z