topic Adding a TIFF raster to a basemap in Data Management Questions https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425490#M24345 <HTML><HEAD></HEAD><BODY><SPAN>I am relatively new to Arc and am still trying to figure out some of the basics. I have two raster images, both TIFF files with corresponding TFW files. One of these files is global map with lower resolution and one is a smaller, high resolution image. I would like to use global map as my basemap. When I add the higher resolution raster to this basemap it is always projected in the upper left corner of the basemap. The spatial referencing is correct for both images in ArcCatalog. I was told that perhaps ArcMap is referencing the basemap header when projecting the higher resolution image. Can anyone tell me how to check/fix this? Thank you!</SPAN></BODY></HTML> Wed, 22 Jun 2011 20:27:10 GMT CaseyCook2 2011-06-22T20:27:10Z Adding a TIFF raster to a basemap https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425490#M24345 <HTML><HEAD></HEAD><BODY><SPAN>I am relatively new to Arc and am still trying to figure out some of the basics. I have two raster images, both TIFF files with corresponding TFW files. One of these files is global map with lower resolution and one is a smaller, high resolution image. I would like to use global map as my basemap. When I add the higher resolution raster to this basemap it is always projected in the upper left corner of the basemap. The spatial referencing is correct for both images in ArcCatalog. I was told that perhaps ArcMap is referencing the basemap header when projecting the higher resolution image. Can anyone tell me how to check/fix this? Thank you!</SPAN></BODY></HTML> Wed, 22 Jun 2011 20:27:10 GMT https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425490#M24345 CaseyCook2 2011-06-22T20:27:10Z Re: Adding a TIFF raster to a basemap https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425491#M24346 <HTML><HEAD></HEAD><BODY><SPAN>From ArcMap Options &gt; Raster Tab &gt; Raster Dataset &gt; Check to see if 'Use world file to define the coordinates of the raster' is checked.</SPAN><BR /><BR /><SPAN>Also, please check to see if the datums of the two images are different. If they are, you may consider applying a correct geographic transformation when adding the second image to ArcMap.</SPAN><BR /><BR /><A href="http://blogs.esri.com/support/blogs/mappingcenter/archive/2009/05/06/about-geographic-transformations-and-how-to-choose-the-right-one.aspx">http://blogs.esri.com/support/blogs/mappingcenter/archive/2009/05/06/about-geographic-transformations-and-how-to-choose-the-right-one.aspx</A></BODY></HTML> Wed, 22 Jun 2011 21:55:25 GMT https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425491#M24346 LaurenceClinton 2011-06-22T21:55:25Z Re: Adding a TIFF raster to a basemap https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425492#M24347 <HTML><HEAD></HEAD><BODY><SPAN>Thank you for the advice. I had already tried, and tried again, checking the "Use world file to define the coordinates of the raster". This does not seem to be helping. </SPAN><BR /><SPAN>I have also double checked that my datum is the same for both images. I am using D_Titan_2000. My low resolution, basemap, is the world map of Titan and I trying to layer high resolution TIFF images onto this. All images are TIFF files with corresponding TFW files. I have selected the D_Titan_2000 datum for all of the images. </SPAN><BR /><SPAN>The problem I am still having is that ArcMap is placing all the high resolution images in the upper left corner of the basemap. </SPAN><BR /><SPAN>Thank you!</SPAN></BODY></HTML> Thu, 23 Jun 2011 20:21:50 GMT https://community.esri.com/t5/data-management-questions/adding-a-tiff-raster-to-a-basemap/m-p/425492#M24347 CaseyCook2 2011-06-23T20:21:50Z