Class SCSCore

source code

                   object --+                        
                            |                        
 base.structure.StructureBase --+                    
                                |                    
                   object --+   |                    
                            |   |                    
           base.common.Parser --+                    
                                |                    
base.structure.ParseableStructure --+                
                                    |                
             base.structure.Structure --+            
                                        |            
                           svcs.core.Core --+        
                                            |        
            svcs.standardcores.TableBasedCore --+    
                                                |    
                        svcs.standardcores.DBCore --+
                                                    |
                                                   SCSCore

A core performing cone searches.

This will, if it finds input parameters it can make out a position from, add a _r column giving the distance between the match center and the columns that a cone search will match against.

If any of the conditions for adding _r aren't met, this will silently degrade to a plain DBCore.

You will almost certainly want a:

       <FEED source="//scs#coreDescs"/>

in the body of this (in addition to whatever other custom conditions you may have).