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I have done this with a map of Titan. I do this by uploading a png file in Arc and geo-referencing with the Titan datum.
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06-03-2013
01:35 PM
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I set up my map and did most of the editing in a simple cylindrical projection. I recently changed my coordinate system to a north polar projection. However, when I switch back to simple cylindrical, Arc does not show anything south of 0 latitude. I had set up the simple cylindrical projection in Catalogue and re-projected it in Map. I've tried going back through the process thinking I might be able to change the extent of the map, however, I'm not finding a place I can do this. How can I fix this?
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06-03-2013
12:59 PM
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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. 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. The problem I am still having is that ArcMap is placing all the high resolution images in the upper left corner of the basemap. Thank you!
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06-23-2011
01:21 PM
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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!
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06-22-2011
01:27 PM
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