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Layers and features classes

Question asked by Brian4 on Jul 20, 2017
Latest reply on Jul 20, 2017 by Dan_Patterson

Hi Britt!  At the UC we discussed the difference between layer files and feature classes.  Many of the arcpy function calls (like model builder tools!) will not work with feature classes.  As a result when calling a command that requires a layer we are forced to first create one from an existing feature class.  Am I interpreting this correctly or are there 'other' calls that will accept FC's?


This came up today in a call to 

       arcpy.Buffer_analysis(FC2_GDB,FC3,"100 yards")  where FC2_GDB is a GDB feature class.  I get an error input data set is not supported.


Also If I do need to create a layer, are those layers temporary if not can I make them temporary or do I need to delete them later.