Re: [Gramps-users] tools to compare two Family Trees

[Paul C. <pau...@gm...>]

The merge problem is quite large; I have spent a fair amount of time
nibbling at the edges.  For example, I have some work done on merging
places during GEDCOM import as a part of the Place Enhancements GEPS
<https://github.com/gramps-project/gramps/pull/809>.  A small part of the
overall problem.  I've also done some tweaks to the "Find duplicate People
tool" here <https://github.com/gramps-project/gramps/pull/1005>.

And for folks who share with Gramps XML files that are derived from a
single Gramps db (instead of GEDCOM from who knows where) I've created the
Import_Merge_Tool
<https://gramps-project.org/wiki/index.php/Import_Merge_Tool>.  This tool
takes advantage of the handles Gramps uses to link objects together to help
identify differences between trees.  Even then, it still asks the user for
permission to perform merges if ANYTHING is different.

If you can think of ways to make any of this easier for the user, I am very
willing to assist you in getting this coded up.

GEDCOM files are not as well specified as one might hope for, especially
given their wide usage.  And many programs will modify the data internally
so if exported to GEDCOM the results may not look at all like what was
imported from GEDCOM.  Gramps has this 'flaw' itself, a side effect of the
core data model not matching GEDCOMs unspecified but assumed data model.

Paul C.

On Sat, Apr 4, 2020 at 7:13 PM Deborah Bennett <de...@al...> wrote:

> Thanks everyone for your replies.
>
> So, now I move into “how can I help” mode. I am a programmer (retired). If
> I were to learn how to be a gramps developer, where could I work that would
> contribute to making what I want to do more likely in the future?
>
> -deborah
>
> On Apr 3, 2020, at 6:27 PM, Deborah Bennett <de...@al...> wrote:
>
>
> 
> If this is an answered FAQ, please point me to the answer.
>
> I am wondering what tools are available in Gramps to compare two family
> trees which are similar but not identical.
>
> I do a lot of genealogy research on FamilySearch.com, where I get hints on
> new sources which may relate to my family tree. However, I keep my curated,
> master family tree on Gramps on my Linux laptop. I have a huge amount of
> new sources and relatives which are on FamilySearch, and I would like to
> bring it into my Gramps tree.
>
> I know there are no synchronization tools available, so I created a GEDCOM
> file from FamilySearch (using the Branches Pro app on my iPad). I imported
> that GEDCOM into a new empty tree on Gramps. Now I would like to compare
> them. I would especially like to find things like events or sources which
> are in one tree but not the other. Are there any tools for this?
>
> Also, if there are any GEDCOM comparison tools available (for free please)
> out there that run on Linux, I would like to hear about them. I checked on
> Cyndi's list here
> https://www.cyndislist.com/gedcom/gedcom-software/
> but found nothing free and available which was useful. (I did report
> several broken links to several programs which sounded likely).
>
> Please, no recipes which involve additional software development on my
> own. I am looking for a working solution right now. CLI or application or
> Web are all fine.
>
> Thanks,
> -deborah bennett
>
>
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