| Restrict Perfs to Sources |  Restricts the perfs on the cross section to only those with one of the specified source set on the Main Modules's Perfs tab. | 
                                                            
                                                                | Plot Other Sources if Above Source Not Present | Allows Petra to plot other perf sources when the selected perf source specified on the "Restrict Perfs to Sources" isn't available.  This effectively just makes the entered sources a priority rather than a strict requirement. | 
                                                            
                                                                | Problem Perfs | "Problem" perfs are duplicate or overlapping perf intervals in the database.  The Perfs tab can filter these perfs out without actually deleting them from the database. 
                                                                        Skip "Problem" RED Perfs - This option prevents large overlapping gross interval perfs from appearing on the cross section.Skip "Problem" BLUE Perfs - This option prevents duplicate perfs from appearing on the cross section.   | 
                                                            
                                                                | Include or Exclude Perfs by Type | By default, Petra plots all perf types.  This tool selectively displays different perf types on the cross section. 
                                                                        Do Not Restrict Perfs By Type - Plots all perf types Include the Selected Perf Type - This option will include only the perfs selected on the Perf Type List below.  Only the checked perf types will plot.Exclude the Selected Perf Type - This option will exclude the perfs selected on the Perf Type List below.  Perf types checked will not plot | 
                                                            
                                                                | Plot Order | Set the order of Perf type. |