Importing an .exr inside of Smode works the same way than the 
                     Image Layer
                    This generator loads a still image and displays it.
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Image Layer
                    This generator loads a still image and displays it.
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                    .
                          Once you have imported the file into the 
                    Element Tree
                    The hierarchical structure of Smode elements
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                     you can the choose the channel of the exr inside of the
      
                    Parameters Editor
                    Edit the parameters of the selected Element
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                     or use the 
                    
                      layer
                     parameter to auto-assign the channel:
                    
