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→Command Line Interface: use stdin and stdout for command line import/export
# The addon DescendantsLines does not use the Gramps document interface. (perhaps the Gramps document interface options should be hidden)
# DestinationOption does not have the usual error handling and user checking (e.g. for overwriting files)
# Size limit: Cairo surface size limit. (32767 for height and 32767 for width [http://comments.gmane.org/gmane.comp.lib.cairo/21068])
# Some PDF output size limit (currently crossing this limit will result in an empty PDF file)
== Installation ==
* S_VPAD - Length of vertical padding spacing between spouse and spouse-bar (?)
* FL_PAD - Length of padding spacing between S_UP edges (vertical edges from spouse-bar to spouse) and O_DOWN edges (vertical edges from spouse-bar to child-bar)
* OL_PAD-
* O_DOWN - The length of the vertical edges from spouse-bar to child-bar
* C_PAD - Length of padding spacing between children
* C_UP - The length of the vertical edges from child to child-bar
* SP_PAD - Length of padding spacing between spouses
* MIN_C_WIDTH- Minimal width of child cells* TEXT_PAD- Length of text padding* TEXT_LINE_PAD- Length of text line padding
* output_fmt - The output format (PNG, SVG, PDF or PS)
* output_fn - The output filename
* [[File:Charlemagne-DescendantsLines.pdf]] -- DescendantsLines addon, inc_marriages and inc_places, PDF output, presenting a family tree of Charlemagne starting from Chloderic King of Cologne.
* [[File:PepinOfHerstal-DescendantsLines-left-dnum.pdf]] --DescendantsLines Gramps addon, Left-aligned text style, d'Aboville numbering (inc_dnum), descendants of Pepin of Herstal or Pepin II, PDF output. Data from http://www.genealogyforum.com/gedcom/gedr1434.htm.
== Tree compression and or modification==
SVG format trees can be compressed and or modified manually using the program Inkscape, using the select and path tools; or using other SVG manipulating program. PNG format trees can be compressed manually by manipulating the image.
== Development ==
* Add option to include spouse ancestries.
** Add option to include arbitrary spouse ancestries.
* Add option to include arbitrary ancestries.
* Add option to include notes.
* Add option to include sources.
* Add option to include images.
* Add horizontal mode.
* Add optional text wrap width.
* Add optional text width with use of ellipses.
* Cairo provides hyperlink support. Names could be hyperlinks to html complete individual reports or to web report pages.
* This addon may with time become a general orthogonal family tree drawing resource for Gramps, for a View, etc., and outside Gramps as well. The PyCairo code can be connected to a view.
The hardcoded number option limits can be altered by users, by altering the code.
== Command Line Interface ==
Gramps provides a cli support for running reports and tools [http://www.gramps-project.org/wiki/index.php?title=[Gramps_3.2_Wiki_Manual_4_Wiki_Manual_-_Command_Line]. * use stdin and stdout for command line import/export [http://www|Gramps 3.gramps4 Wiki Manual -projectCommand Line]].org/bugs/view.php?id=4114]
* {{bug|4114}}: Would like to use stdin and stdout for command line import/export.
Feel free to contribute or improve it.
== See also ==
* [[Addon:Family Tree]] - generates horizontal orthogonal graphical trees.
* [[Addon:TimelinePedigreeView]] - displays horizontal orthogonal graphical trees.
[[Category:Plugins]]
[[Category:Developers/General]]
[[Category:Reports]]
