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The purpose of this GEP GEPS is to discuss new visualization techniques for possible inclusion in Gramps.
== Background ==
[[ImageFile:Relations_fanchartChartsView-desendantfan-fullcircle-9gen-default-41.png|thumb|right|thumb|350px400px|Descendant Fan ChartView - full circle]]
At present Gramps offers two graphical visualizations of genealogical data as views:
* [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Main_Window_Categories#Pedigree_View|Pedigree View]] (Classic family tree)* [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Main_Window_Categories#Fan_Chart_View|Fan chart]] :20120909 - Updated for unreleased (since Gramps 4.0, see [http://gramps-project.org/2012/08/fanchart-in-4-0-what-features/ Blog Report 1] [http://gramps-project.org/2012/09/fanchart-from-gimmick-to-research-tool/ Blog Report 2] & [https://plus.google.com/u/0/115195430424417504730/posts/QrXM4z9JxrG Video Demonstration]: [http://www.cs.utah.edu/~draperg/research/fanchart/draperg_FHT08.pdf Reference paper])
Some Addons:
* GraphViz and Goocanvas: [[Graph_View|Graph View]]
A number of [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Reports#Graphical_Reports|graphical]] and [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Reports#Graphs|GraphViz based]] reports for printout:
* Classic family tree(s)
** Family Descendant Tree
* GraphViz based
** [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Reports_-_part_5#Family_Lines_Graph|Family Lines Graph]]** [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Reports_-_part_5#Hourglass_Graph|Hourglass Graph]]** [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Reports_-_part_5#Relationship_Graph|Relationship Graph]]
* Addons
** [[InformationGraph]] (Gramps 3.2.x, GraphViz based)
** [[DenominoViso]]
** [[Addon:Family_Tree|Family Tree]]
* "Non-standards" Addons
** [[Filtered Reports]]
** [[DescendantsLines]]
As well as a graphical [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Gramplets|default gramplets]]:
* Fan Chart Gramplet
* [[Gramps_3Gramps_4.4_Wiki_Manual_2_Wiki_Manual_-_Navigation#Using_Gramplets|"Textual bloc/area/tree informationsinformation" gramplets]]
== Quilts ==
[[Image:Quilt.gif|right|thumb|350px400px|Quilt]]
Family trees are presented in the form of a grid.
A video, demonstration software, and a paper describing the technique can be found on the Aviz website.
Status: A Gramps implementation is currently being written (Nick Hall)See Feature request "{{bug|4649}}: GeneaQuilts visualization integration"
[[File:Quiltview-test-example.gramps-42.png|thumb|left|600px|Quilt view (Gramps 4.2.1 Windows 7)]]
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== TimeNets ==
[[Image:TimeNet.gif|right|thumb|350px400px|TimeNet]]
This is a type of [http://en.wikipedia.org/wiki/Timeline timeline tree].
TimeNets, enable analysis of families over time, by prioritize temporal relationships, in addition to the family structure. Individuals are represented using timelines that converge and diverge to indicate marriage and divorce; directional edges connect parents and children. Note: [http://sourceforge.net/mailarchivep/forum.php?thread_name=AANLkTi%3DWaSuZUNG94N4o_%2B-8PACDv%3Dq7E04Sp%2BgacXuQ%40mail.gmail.com&forum_name=gramps-users /mailman/message/26817177/ Wilfried Trabold] pointed this out on the gramps-users mailing list in December 2010. Gerald Britton[http://sourceforge.net/p/gramps/mailman/message/26817266/] was in a side-discussion with the authors to explore the possibility of working together to include this in Gramps.
Status: Not known.
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== Dual Trees ==
[[Image:DualTrees.gif|right|thumb|350px400px|Dual Trees]]
This is a method of combining graphs in a single display.
[[File:Claurissa-tuttle-ms-thesis.pdf-example_h-tree.png|thumb|350px|The H-tree]]
A structured, space-efficient technique for pedigree visualization (to display ancestral trees). The H-tree based layout can be used to display ancestral trees). This layout increases the number of displayable generations, via a symmetrically arranged structure, provides the the user with an overview that allows them to understand and navigate through the data.
Status: UnexploredSee {{bug|6389}} for a working trial for Gramps 3.4.2 windows portable and [[Addon:HtreePedigreeView|Gramps 4.1.1]](with minor file changes) [[File:Htree trial modified grid Horizontal Left to Right 41.png|thumb|left|600px|H-tree trial(5 generation(31 people shown)(Gramps 4.1.0 Windows 7)]]
The Genealogy program [http://www.ics.uci.edu/~eppstein/gene/UserGuide.html#txgrid Gene] first called this type of chart the '''Ancestor Grid'''. eg: ''A different type of ancestor tree drawing, the "Ancestor Grid", connects generations alternately left-right and up-down, so that ancestors are spread in a grid around their common descendant. The horizontal or vertical style determines which direction is used first. The tree structure of these drawings is less clear than in the "Ancestors" tree but the grid can sometimes fit more names in the given space. Unlike the other tree drawings, when the ancestor grid runs out of room to add more generations it simply cuts the tree off, without adding any ellipses. Below we show a horizontal ancestor grid.'' Gene 4.3 User Guide:4.3. Ancestor trees and grids, Copyright 1995-2000 David and Diana Eppstein. At least as far back as [https://web.archive.org/web/19970502091401/http://www.ics.uci.edu/~eppstein/gene/UserGuide.html#ancestor%20trees][https://www.ics.uci.edu/~eppstein/gene/TechNotes.html#history Added to Gene v4.0 in June 1994, ''Improved tree drawings including more font sizes, more styles, new ancestor grid layout, menu to switch layout type within the tree dialog, and ability to save PICT files.'']
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== The Gene-Tree ==
[[Image:cranefoot.png|thumb|350px400px|The gene-tree (Cranefoot)]]
A structured, space-efficient technique for pedigree visualization (to display ancestral trees), using colors and symbols. This type of tree is often used for medical usage.
Status: Unexplored.
See also:
* [[Genetics]]
* [[Other_genealogy_tools#Cranefoot|Cranefoot]]
* [http://en.wikipedia.org/wiki/Genogram Genogram]
* [http://cs.lnu.se/isovis/theses/finished/13991.pdf Visualization in Genealogical Data (Jesus Miguel de la Fuente)]
* GeneaQuilts** [http://www.aviz.fr/geneaquilts/ GeneaQuilts project]** [http://hal-ecp.archives-ouvertes.fr/docs/00/53/29/39/PDF/geneaquilt.pdf GeneaQuilts: A System for Exploring Large Genealogies (A. Bezerianos, P. Dragicevic, J.-D. Fekete, J. Bae, B. Watson)]** [https://sites.google.com/site/dglabprojects/Quilts A list of publications relating to Quilts]* TimeNets** [http://vis.stanford.edu/files/2010-TimeNets-AVI.pdf Tracing Genealogical Data with TimeNets (Nam Wook Kim, Stuart K. Card, Jeffrey Heer)]
* [http://vis.berkeley.edu/courses/cs294-10-sp10/wiki/images/f/f2/Family_Tree_Visualization_-_Final_Paper.pdf Family Tree Visualization]
* [http://www.rafelsberger.at/node/genealogy-visualization Rhizome Navigation] - used to create animated visualizations of large genealogy data sets.
* [http://fht.byu.edu/prev_workshops/workshop10/papers/3-3-Egbert.pdf Geospatial Genealogy: Visualizing and Exploring Ancestral Place]
* [http://infosthetics.com/archives/2006/07/largescale_genealogical_history.html large-scale genealogical history]
* H-Tree (also known as the "Ancestor Grid")** [http://www.sci.utah.edu/~csilva/papers/thesis/claurissa-tuttle-ms-thesis.pdf '''The H-Tree'''], PEDVIS: A structured, space-efficient technique for pedigree visualization** [http://www.tamurajones.net/FractalGenealogy.xhtml Fractal Genealogy]* [http://images.math.cnrs.fr/L-arbre-genealogique.html Pedigree and mathematics] (in french)* [http://www.math.ens.fr/culturemath/articles-ens/mallein11/coalescent-de-kingman.html Wright-Fisher model and Kingman coalescent] (in french)
== Feature Requests ==
* {{bug|4649702}}: GeneaQuilts visualization integration Vertical Descendant Charts* {{bug|815}}: I would like to have a graphical view of relationships* {{bug|864}}: Family Wheel - input UI* {{bug|1373}}: Want a complete graphical view, like in Kith and Kin* {{bug|2218}}: Medical genetics* {{bug|2266}}: Different modes in Pedigree view
* {{bug|2611}}: Alternative Genealogy Graphs - Original idea for Fan Chart, Dual Trees, and other ideas
* {{bug|41692668}}: To generate a numbering class for mapping indiviuals according to start person (temp snapshot) and for generating Pedigrees, Charts, Gramplets, Tools with duplicated ancestors match support.* {{bug|815}}: I would like to have a Vertical graphical view of relationships* {{bug|6048}}: Descendants View, a "reverse" Pedigreedescendencies
* {{bug|3590}}: Relationships domain
* {{bug|4169}}: To generate a numbering class for mapping individuals according to start person (temp snapshot) and for generating Pedigrees, Charts, Gramplets, Tools with duplicated ancestors match support.
* {{bug|4564}}: Ancestor Medical Record
* {{bug|22184649}}: Medical geneticsGeneaQuilts visualization integration* {{bug|5329}}: Please offer relationship graph with timeline* {{bug|6048}}: Descendants View, a "reverse" Pedigree* {{bug|6486}}: When first cousins marry
* Alternate FanChart [http://sourceforge.net/mailarchive/message.php?msg_id=29801925]
[[Category:GEPS|V]]
[[Category:Developers/Design]]
