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Gramps uses [[GRAMPS_XML|Gramps XML]] which is considered a superior format to [[GEDCOM]] by the Gramps developers. Although Gramps should be able to import most data from GEDCOM through its GEDCOM Import module, many of the Gramps features are not supported by the GEDCOM standard and so GEDCOM Export from a Gramps Family Tree or Gramps XML is a lossy operation. This page shall list all the information that is lost on a GEDCOM export from Gramps, so that users may choose to restrain their Gramps use to those features that GEDCOM can handle. Gramps recognizes the relevance of GEDCOM and attempts to offer the best compatibility possible. The Gramps version used as a reference is Gramps Trunk, currently Gramps 3.3. {{stub}}
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* Multimedia object {{man note|Gramps 4.1 GEDCOM Import|Details of GEDCOM import for Gramps 4.1 are provided in source citation (maybe the [[GEPS_023:_Storing_data_from_large_sourcesGramps_4.1_Wiki_Manual_-_Manage_Family_Trees#Importing_data|availableGramps 4.1 manual]] on 3, '''not here'''}} Details for earlier versions of Gramps.4?)* Multimedia object in source citation* EVENT_TYPE_CITED_FROM and ROLE_IN_EVENT in source citation. See Gramps Bugs:{{bug|2918}},{{bug|2924}} == GEDCOM X ==* Citations on Notes[[GEPS 037: Support GEDCOM X]] - a proposal to support the GEDCOM X file format
→Lost information on a GEDCOM export from Gramps
Gramps uses [[Gramps XML]] which is considered a superior format to [[GEDCOM]] by the Gramps developers. Although Gramps should be able to import most data from GEDCOM through its GEDCOM Import module, many of the Gramps features are not supported by the GEDCOM standard and so GEDCOM Export from a Gramps Family Tree or Gramps XML is a '''lossy''' operation. This page attempts to list information that is lost on a GEDCOM export from Gramps, so that users may choose to restrain their Gramps use to those features that GEDCOM can handle. Gramps recognizes the relevance of GEDCOM and attempts to offer the best compatibility possible. {{man note|The Gramps version used as a reference for this page is|Gramps Trunk, which at the time was Gramps 3.3.(Released:2011-06-12)}} The GEDCOM standard stopped evolving on 10 January 1996. There is a draft for a GEDCOM 5.5.1 version, of which Gramps uses several features as noted below. The following assumes the standard GEDCOM export utility. However, there is also a set of common extensions that have been bundled together. See [[GEDCOM Extensions]] for more information.
== Lost information on a GEDCOM export from Gramps ==
* '''Source Data''': no equivalent in GEDCOM.
* '''Source on places''': no equivalent in GEDCOM.
* '''Event Attributes different from age, father age, mother age, cause, agency'''. These other attributes have no equivalent in GEDCOM. AGNC and CAUS are exported from Agency and Cause attributes (respectively) of an event. AGE, HUSB:AGE and WIFE:AGE are exported from Age, Father's Age and Mother's Age (respectively) of an event reference. Hence these items of data should be stored in the appropriate place for export.
* '''Media Description''': set by user, no equivalent in GEDCOM.
* '''Reference region of a media reference'''.
* '''Tags''': an organizational tool for data analysis. This is not real genealogical data.
* '''Shared Events''': will generate the same event for each record. On import Gramps tries to merge equal events.
* '''Events order''': like for children, GEDCOM ignores events order.
* '''Shared Places in events''': GEDCOM does not know the concept of sharing places, so places are duplicated in the GEDCOM. On import, Gramps will automatically merge places with the ''same'' title and street, so this should be of no influence.
* '''Call Name''': no equivalent in GEDCOM.
* '''Persian, Islamic, Swedish calendars'''
* '''Dual date and non 31/12 new year'''
* Some '''Gramps' Types''' (Note, Repository, Repository reference, etc ...)
* No GEDCOM data structure exists for the [[Hierarchical Place Structure|place hierarchy]] introduced in Gramps version 4.1.
== Information written in other form on GEDCOM export ==
* '''Compound surnames''': all name grouping info is present using comma-seperated separated lists. Using the ''Extract Information from Names'' tool, such a GEDCOM can be converted again in grouped names.
== Information available in GEDCOM 5.5.1 form ==
== Information in GEDCOM 5.5 not in Gramps (lost on import) ==
[[Category:Documentation]]
