Example filters

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A collection of examples of filters.

Introduction

For more info, see Filter and also the wiki manual on Filters. When creating custom filters, always make sure you have the Filter sidebar visible so you can test them before use: either click on the Filter tab on the right, or click on 'Add a Gramplet' and select 'Filter'. To test, select the custom filter you made; then click Find.

You create a custom filter by taking the following steps:

   Click on Editor in the top bar to display the drop-down list
   The last item is the Filter Editor for your current View
   Click on the Filter Editor
   Click on '+' to start creating a new filter
   Give your filter a name
   Click on '+' to see the filter rules available to you in your current View
   Select an appropriate rule
   Add further rules as needed
   Set the necessary Option
   OK
   Close   [Note that custom filters or changes only take effect after Closing the Filters window]


Some rules allow you to use filters defined for another View and so build up complex filtering with several Views.

Note that very large databases may encounter resource problems in handling some complex filters

Construction of custom filter examples

      Please note these conventions for the construction of Filters:
                             <Viewname> Filter Editor.................Editor for this particular View

Filter <filtername>:...........................................................................................................Name of new filter

  <rule name> ........................................................Filter rule selected
  OR
  <rule group name> => 
       <selected rule name> ..........................................Filter rule selected from a drop-down group of rules

Option selected ................................................................................................................. All/At least one rule must be obeyed

Use regular expressions ................................................................................................. Blank if not required

<Run Filter <filtername> in <Viewname> View> .....................................................Where to run the new filter






1-stage FILTERS

Example 1. All sources that have no repository

                                          Source Filter Editor

Filter A:

General filters=> 
   Sources with <count> Repository references; Number of instances:="1"; Number must be:="lesser than"
OR
   Sources with a reference count of <count>; Reference count must be:= "lesser than"; Reference count:="1"

All rules must apply

<Run Filter A> in Source View




Example 2. All individuals with no name

Comment: In Person View, click on the Name column to get the names in alphabetical order. All blank surnames will be at the top of the list

                 The following filter will display only the blank given names and/or surnames
                                         Person Filter Editor

Filter A:

   General filters=>
         People with the <name>; Given Name:=^$; Full Family Name:=^$

Use regular expressions

All rules must apply

<Run Filter A> in Person View




Example 3. All female descendants of Joan Doe

                                          Person Filter Editor

Filter A:

Descendant filters=>
      Descendants of <person>: <here find the ID of Joan Doe> ; Include original person
General filters=>
      Females

All rules must apply

<Run Filter A> in Person View






2-stage FILTERS

Example 1. All people with only one parent recorded

                                          Person Filter Editor

Filter A:

   General filters=> 
         Persons with the <name>; Given name:="(^$|[uU]known)"; Full Family Name:="(^$|[uU]known)"

**Use regular expressions**

All rules must apply


Filter B:

   Family filters=>
         Children of <filter> match; Filter name:="B"

All rules must apply


THEN <Run Filter B> in Person View

Comment: If both parents are unknown you probably won't have any gramps ID assigned for them




Example 2. Individuals with siblings named “John”

                                          Person Filter Editor

Filter A:

   General filters=> 
         People with the <name>: Given Name:="John"

All rules must apply

Filter B:

   Family filter=> 
         Siblings of <filter> match: Filter name:="A”

All rules must apply


THEN <Run Filter B> in Person View




Example 3.“Timeline” of all people associated with a particular place

                                          Place Filter Editor

Filter A:

   General filters=>  
         Places matching the parameters ;Name : <here insert name of place>

All rules must apply

                                          Event Filter Editor

Filter B:

   General filters=>  
         Events matching the place filter: Place filter name:=”A”

All rules must apply


THEN <Run Filter B> in Events view

Configure the View to show columns for Type, Description, Date, Place. Order the items by Date to get a timeline.


OR Alternative 2:
                                           Event Filter Editor

Filter A:

   General filters=>  
         Events with data : Place:= <here insert placename>

Comment: if the Event type default is "Birth"., just delete it

All rules must apply


THEN <run Filter A> in Events View


For an ordered list of the people add the following filter:

                                           Person Filter Editor

Filter B:

   General filters=>   
         Persons with events matching the events filter: Events filter name:= "A".

All rules must apply


THEN <run Filter B> in Person View





Example 4. All marriage events on the ancestral tree dated after 1837 for a named individual

                                          Person Filter Editor

Filter A:

   Event filters=>
         People with the personal <event>; Personal event:= Marriage; Date:= after 1837
   Event filters=>
         People with the family <event>; Family event:= Marriage; Date:= after 1837 

**At least one rule applies**

Filter B:

   General filters=>   
         People with the name; <here insert name of individual>
   General filters=>
         People matching the <filter>; Filter name:=”A”.

All rules must apply


THEN <run Filter B> in Person View





Example 5. All persons called "serge" having some connection with London

                                          Event Filter Editor

Filter A:

   General filters=>
         Events with : Place:="London"

All rules must apply

                                          Person Filter Editor

Filter B:

   General filters=>
         Persons with events matching the <event filter>: Event filter name:= "A"
   People with the <name>: Given name:="serge"

All rules must apply


THEN <run Filter B> in Person View


Comment1: There is no way of going between people and places except by way of events they were involved in at those places

Comment2: What looks like a minor bug appears when Person filtering on names: a few extraneous individuals appear. They are spouses, included because their married name (or occasionally spouse) is recorded in the database as their Alternative Name





Example 6. Obtain a ‘focused’ descendant chart containing only a subset of the people

Select the subset by tagging manually in your direct ancestral line up from your living relative. Call the tag, say, LINE 1.

                                          Person Filter Editor

Filter A:

   General filters=>
         People with the <tag>; Tag:="LINE 1"

All rules must apply

Filter B:

   Family filters=>
         Children of <filter> match: Filter name:="A"
   Family filters=>
         Spouses of <filter> match: Filter name:="A"
   Family filters=>
         Siblings of <filter> match: Filter name:="A"

**At least one rule must apply**


THEN <run Filter B> in Person View to display the “focussed” tree

OR:

  Reports=> Graphs=> Relationship Graph=> Report Options=> Filter "B" to obtain a chart. Save as SVG for further manipulation

OR:

 Family Trees=> Export=> Forward=> select Gramps XML package=> Forward=> Person Filter. 
 Click the drop-down list and select filter B to save the filter results as another family tree. 
 Name and export that gpkg; then you can create a new family tree and import the gpkg back into it.





Example 7. All people related to me but not my wife

                                          Person Filter Editor

Filter A:

   Ancestral filters=>
         Ancestors of <person> ID:= <here find YOUR ID>; Inclusive:=0  i.e.note: don't include yourself

All rules must apply


Filter B:

   Descendant filters=>
         Descendant family members of <filter> match; Filter name:="Filter A"

All rules must apply


THEN <Run Filter B> in Person View

Comment: note the difference between the UP filter ("Ancestors") which is restrictive and the DOWN filter ("Descendant family members of filter) which is inclusive. The former keeps the line of relationship away from the wife; the latter brings in your own in-laws ("Matches people that are descendants or the spouse of anybody matched by the filter")

Comment 2: the filter falls down on people who are not strictly connected to you by marriage but only indirectly i.e. people who were married at some time to one of your in-laws, i.e.."in-laws of in-laws".

If you want to incorporate those links as well, add a further filter as follows:

Filter C:

   Descendant filters=>
       Descendant family members of <filter> match; Filter name:="Filter B"

**At least one rule must apply**


THEN <Run Filter C> in Person View

Comment 3: you can widen the reach of the links further by adding more filters in the same form as filter C - until your patience runs out




Example 8. All married males with family name containing rechter/richter

                                          Person Filter Editor

Filter A:

   Event filters=>
         People with the family <event>: Family event=> Family:= Marriage
   General filters=>
         Males

All rules must apply

<Run Filter A> in Person View to check

THEN in the Filter sidebar, enter r[ei]chter in the Name field, for the Custom filter select Filter A, check Use regular expressions. Click Find.




Example 9. All descendants of Joan Doe of female or unknown sex

                                          Person Filter Editor

Filter A:

   General filters=>
         Males


All rules must apply

**Return values that do *not* match the filter rules**


Filter B:

   Descendant filters=>
         Descendants of person:=<here find the ID of Joan Doe>; Include original person

All rules must apply

THEN <Run Filter B> in Person View






3-stage FILTERS

Example 1. All marriages where the event is a "Personal" event but not part of a Family

                                          Person Filter Editor

Filter A:

Event filters=> 
       People with the family <event>;  Family Event:="Marriage"

All rules must apply

**Return values that do *not* match the filter rules**


Filter B:

Event filters=> 
       People with the personal <event>; Personal Event:="Marriage"; Primary role:="1"

All rules must apply


Filter C:

 General filters=>
       People matching the <filter>; Filter name:= "A"
 General filters=>
       People matching the <filter>; Filter name:= "B"

All rules must apply


<Run Filter C> in Person View




Example 2. People with events with place, to show an ancestor's descendants with no known birthplace

                                          Place Filter Editor

Filter A:

Position filters=> 
       Places with no latitude or longitude given

All rules must apply


                                          Event Filter Editor

Filter B:

 General filters=>
        Events with the particular type:  Event type:="Birth"
 General filters=>
        Events of Places matching the <place filter>: Place filter name:=”A” 

All rules must apply


                                          Person Filter Editor

Filter C:

 Descendant filters=>
        Descendant family members of <person>:= <here select the particular ancestor ID> 
 General filters=> 
       Persons with events matching the <event filter>: Event Filter name:=”B”

All rules must apply


<run Filter C> in Person View





Example 3. All direct ancestors (and their siblings) of some person in set periods, e.g. 50 yrs

Comment: For example, to show when the migration from country to town took place

                                          Person Filter Editor

Filter A:

   Descendant filters=> 
           Descendant family members of <person>; select the person's ID; Include the original person

All rules must apply


                                          Event Filter Editor

Filter B:

  General filter => 
        Events of persons matching the <person filter>: Person filter name:= "A"
  General filter=>
        Events with : Event type:= "Birth"; Date:="between 1650 and 1750" (say)
All rules must apply


                                          Place Filter Editor

Filter C:

  General filters=>
        Places of events matching the <event filter>: Event filter name:=  "B"

All rules must apply


<run Filter C> in Place View




Example 4. End of the line ancestors from a particular person X (Jones)

Deal with the father's and mother's side separately.

[father's side]

                                          Person Filter Editor

Filter A:

   Family filters=>
         People missing parents

All rules must apply


Filter B:

   Ancestral filters=>
         Ancestors of <person>: ID := <here find ID of person X>
   General filters=> 
         Males
   General filters=>
         People with the <name>:Full Family Name:="Jones"

All rules must apply


Filter C:

   General filters=>  
         People matching the filter; Filter name:="A"
   General filters=>
         People matching the filter; Filter name:="B"

All rules must apply


<Run Filter C> in Person View.

[mother's side]

repeat A, B, C but in Filter B substitute the ID of the mother of X for the ID of X, and the family name of the mother of X for the name “Jones”.

Comment: if the spelling of the surname has changed over the generations, you'll need to use a regular expression for the Full Family Name in Filter B and enable “Use regular expressions”






5-stage FILTERS

Example 1. People with surname Doe who lived in Illinois State

                                          Place Filter Editor

Filter A:

   General filters=>
         Places matching parameters: Name:= "Illinois"; Place type:= "State"

All rules must apply


                                          Event Filter Editor

Filter B:

   General filters=>
         Events of places matching the <place filter>: Place filter name:="A"   

All rules must apply


                                          Person Filter Editor

Filter C:

   General filters=>
         People with events matching the <event filter>: event filter name:= "B"
   Event filters=>
         People with the personal <event>: Personal event:="Residence"

All rules must apply


Filter D:

   General filters=>
         People with events matching the <event filter>: event filter name:= "B"
   Event filters=>
         People with the personal <event>: Personal event:="Death"

All rules must apply


Filter E:

   General filters=>
         People matching the <filter>: Filter name:= "C"
   General filters=>
         People matching the <filter>: Filter name:= "D"


**At least one rule must apply**


<Run Filter E> in Person View.