Projection in ARCSI

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Morgan Bond

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May 22, 2018, 1:40:24 PM5/22/18
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I have Worldview 2 and 3 imagery (DN's) from Digital Globe that am trying to convert to surface reflectance in ARCSI. I received the following Error in ARCSI: "Expecting image to be projected as UTM WGS84". 

It looks like my Imagery is projected as "Geographic (Lat/Long)", with the datum "WGS84". I didn't think the projection would matter as GDAL imports it fine. Should I reproject the imagery before bringing it in? That is a time consuming step that I would like to avoid if possible. Has anyone else experienced this? As far as I can tell all of the Worldview imagery is delivered this way. Thanks,

Morgan
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