topic Seamline problems with mosiac dataset in Data Management Questions https://community.esri.com/t5/data-management-questions/seamline-problems-with-mosiac-dataset/m-p/503775#M28551 <HTML><HEAD></HEAD><BODY><SPAN>Hi, I have a couple of Landsat 5 tiles from different dates that I am trying to mosaic together with the Create Mosaic Dataset tool.&nbsp; The problem is that the tile that is displayed on top, where the two tiles overlap, changes for some reason.&nbsp; It seems that the two tiles are not "sewn" together at a point where they overlap as I thought they would be, but are just displayed one on top of the other.&nbsp; The one that is displayed on top changes, apparently depending on which tile is taking up the most space in arcmap at the moment.&nbsp; This creates a problem because there are clouds in one of the tiles and none in the other, so the images seems to shift.&nbsp; I have attached two screen shost showing the intersection of the two tiles.&nbsp; The first one, North_Tile, shows the image when the cloudy northern tile is displayed on top.&nbsp; The second, South_Tile, shows the cloud free southern tile displayed on top.&nbsp; In the left corner where they intersect you can see a cloud in the first tile and no cloud in the second tile.&nbsp;&nbsp; </SPAN><BR /><BR /><SPAN>Is there a way to get the tiles to fuse together into one image with the north tile on top? </SPAN><BR /><BR /><SPAN>Also, I would like to create a more seamless image.&nbsp; The seam is rather obvious and contains black pixels, shown in the Seamline screen shot attached.&nbsp; I have already color corrected, the Default Mosaic Method is Seamlines, the Default Mosaic Operator is Max.&nbsp;&nbsp; </SPAN><BR /><BR /><SPAN>So, is there a way to create a more seamless image?</SPAN><BR /><BR /><SPAN>Some info on the images:&nbsp; </SPAN><BR /><BR /><SPAN>Pixel type: unsigned integer</SPAN><BR /><SPAN>Pixel Depth: 8 bit</SPAN><BR /><SPAN>Format: AMD</SPAN><BR /><SPAN>Number of Bands: 7</SPAN><BR /><BR /><SPAN>Any help is greatly appreciated...</SPAN><BR /><BR /><SPAN>Regards, </SPAN><BR /><BR /><SPAN>Graham</SPAN></BODY></HTML> Thu, 12 Apr 2012 17:44:51 GMT grahamlangley-edwards 2012-04-12T17:44:51Z Seamline problems with mosiac dataset https://community.esri.com/t5/data-management-questions/seamline-problems-with-mosiac-dataset/m-p/503775#M28551 <HTML><HEAD></HEAD><BODY><SPAN>Hi, I have a couple of Landsat 5 tiles from different dates that I am trying to mosaic together with the Create Mosaic Dataset tool.&nbsp; The problem is that the tile that is displayed on top, where the two tiles overlap, changes for some reason.&nbsp; It seems that the two tiles are not "sewn" together at a point where they overlap as I thought they would be, but are just displayed one on top of the other.&nbsp; The one that is displayed on top changes, apparently depending on which tile is taking up the most space in arcmap at the moment.&nbsp; This creates a problem because there are clouds in one of the tiles and none in the other, so the images seems to shift.&nbsp; I have attached two screen shost showing the intersection of the two tiles.&nbsp; The first one, North_Tile, shows the image when the cloudy northern tile is displayed on top.&nbsp; The second, South_Tile, shows the cloud free southern tile displayed on top.&nbsp; In the left corner where they intersect you can see a cloud in the first tile and no cloud in the second tile.&nbsp;&nbsp; </SPAN><BR /><BR /><SPAN>Is there a way to get the tiles to fuse together into one image with the north tile on top? </SPAN><BR /><BR /><SPAN>Also, I would like to create a more seamless image.&nbsp; The seam is rather obvious and contains black pixels, shown in the Seamline screen shot attached.&nbsp; I have already color corrected, the Default Mosaic Method is Seamlines, the Default Mosaic Operator is Max.&nbsp;&nbsp; </SPAN><BR /><BR /><SPAN>So, is there a way to create a more seamless image?</SPAN><BR /><BR /><SPAN>Some info on the images:&nbsp; </SPAN><BR /><BR /><SPAN>Pixel type: unsigned integer</SPAN><BR /><SPAN>Pixel Depth: 8 bit</SPAN><BR /><SPAN>Format: AMD</SPAN><BR /><SPAN>Number of Bands: 7</SPAN><BR /><BR /><SPAN>Any help is greatly appreciated...</SPAN><BR /><BR /><SPAN>Regards, </SPAN><BR /><BR /><SPAN>Graham</SPAN></BODY></HTML> Thu, 12 Apr 2012 17:44:51 GMT https://community.esri.com/t5/data-management-questions/seamline-problems-with-mosiac-dataset/m-p/503775#M28551 grahamlangley-edwards 2012-04-12T17:44:51Z Re: Seamline problems with mosiac dataset https://community.esri.com/t5/data-management-questions/seamline-problems-with-mosiac-dataset/m-p/503776#M28552 <HTML><HEAD></HEAD><BODY><SPAN>OK, so I just figured out that you can select lock raster in the Image properties and the images will be locked in place.&nbsp; That solves question 1, but&nbsp; I am still at a loss as to how to get rid of the black line where the two images meet up.&nbsp; Any help on that is still needed and greatly appreciated.</SPAN><BR /><BR /><SPAN>Thanks, </SPAN><BR /><BR /><SPAN>Graham</SPAN></BODY></HTML> Thu, 12 Apr 2012 20:53:47 GMT https://community.esri.com/t5/data-management-questions/seamline-problems-with-mosiac-dataset/m-p/503776#M28552 grahamlangley-edwards 2012-04-12T20:53:47Z