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How do you project a new layer from Arc Online that in't in Arc Catalog?

Question asked by ebmoore2_asu on Sep 2, 2018
Latest reply on Sep 3, 2018 by Dan_Patterson



I'm on lab 5 (image attached) on the Maribeth Price "Mastering ArcGIS" book. My problem is that I'm adding a basemap from ArcGIS Online but the coordinate system/projection does not align with the current map.

So, I try to project it, but I can't find the layer in ArcCatalog, it just isn't there because the map I'm using doesn't have a geodatabase it was saved only as a map document that you download from the book.

So, I tried to save the layer so that I can project it using the Project tool. But, I can't seem to save the layer in a way that lets the project tool work.

Also, this is what I posted to my class discussion board:

Hello all,

For lab 5 you're supposed to add the World Terrain basemap from ArcGIS Online. I added it, but it doesn't show up on the map. The coordinate system says its in WGS_1984_Web_Mercator_Auxiliary_Sphere, but the warning when I add it says its in GCS 1984.

So, I try to go and project it to North_America_Equidistant_Conic, the same as the 'Hazards' dataframe, but I can't find the source of the World Terrain layer to project it. So my questions are:

1. How do you save the World Terrain layer so that it shows up in Arc Catalog? (So that I can find it and project it)

2. Is there an easier way to do this such as clicking on the transformations button when the warning appears. If so,

3. How do you know which transformation to use?

Thanks in advanced.

Also, when I try to transform the GCS it only allows a transformation to another GCS. So this doesn't work.


Does this make any sense? Any feedback is appreciated, thank you.