Greetings;
I downloaded a layer file from ArcGIS Online (World_Imagery_old.lyr for ArcMap 9.2), 'cuz it's easier than working online all the time. When I add it as the first layer to a map it sets the data frame properties to WGS84. But all my other data is in NAD83; which, when i try to add to the map generates a transformation dialogue box (and vice-versa if I start w/ my data and add the World...lyr file). So I tried to change the projection of the World...lyr file but, of course, the Project tool is telling me I can't do that 'cuz the 'layer' file is not a "feature layer" - so what do I do here?? I really just need a basemap of Southern California and this seemingly simple task is consuming hours of my time!
Please help!!
and btw: when I do need to do a re-projection from WGS84 to NAD83 - which happens often enough, which transformation option should I use? I saw on another post that "5" is for the continental US - is that true - how does one figure this out? Is it posted somewhere or supposed to be common GIS knowledge??
thanks in advance for all your help!
Kelly