Addon:Life Line Chart View
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This is a Third-party Addon. The Addon/Plugin system is controlled by the Plugin Manager. Please use carefully on data that is backed up, and help make it better by reporting any issues to the bug tracker. |
Life Line Chart Views are two interactive 
Charts category view addons which shows individuals as lines in an either an ancestor or descendant chart. The length and position of the line depends on the actual life span and the marriages. Pedigree and ancestor collapse is handled. Labels for birth / names, death, and marriages can be added.
Contents
Usage
If the addon was loaded successfully and the prerequisites have been installed two new chart icons will appear 
in the Charts category view tool bar.
- Life Line Ancestor Chart View (left icon)
- Life Line Descendant Chart View (right icon)
In general the Life Line Chart Views can be:
- Configured independently using the Configure the active view dialog.
- The active person is the starting point on both charts.
- Birth/christening/baptism, death/burial, and marriage dates need to be available to properly draw this chart. If they are incomplete reasonable guess values are chosen if possible. If not, then these individuals are not shown.
- You may zoom (if the chart is focused) with
- Ctrl++ and Ctrl+-
- Ctrl+mouse wheel
- the GUI control buttons (+, -, fit to view, reset to 1)
- Scrolling is possible (if the chart is focused) with
- mouse wheel, ⇧ Shift+mouse wheel
- Ctrl+left mouse button (grabbing)
- Context menu enables
- Opening the edit dialog
- Change active person
- Show / hide persons and their ancestors / descendants
- Showing siblings in the ancestor chart
- You may lock Ctrl with the GUI control button "M"
- You may also use the filter to fade out individuals
- A tooltip shows the name, gramps id, birth and death date of the person.
- Photos of the persons can be displayed along the line. Their position is either based on the date that is set in the media object, or displayed in the order of appearance in the family tree.
- Overview map on the bottom left.
- The chart diagram can be exported as an SVG file using the Save the Life Line Chart View button.
- Layout optimization algorithms.
- Dark theme.
- Handling of pedigree collapse.
Life Line Chart View Toolbars
The Life Line Chart Views toolbars are identical in options and usage:
Control Toolbars
The Life Line Chart Views have a two small toolbars as well as the decade grid and overview map of its own with the following options:
- Top Life Line Chart View toolbar
- Hand (grabber), + (Zoom in), - (Zoom out), 1 (Zoom to Original), ☐ (Zoom to best fit), Rebuild data cache, -><- (Revert the placement and person selection), [Person/data/id and cursor position readout], ? (Open Life Line Chart Help).
- Zoom sidebar
- Vertical Slider, ranging from 0.01x to 10.00x. On the left side.
- Timeline sidebar
- Decade grid. On the right side.
- Overview map
- (aka mini map). On the bottom left of the chart.
On main Gramps Toolbar
On the main Gramps Toolbar you also have:
- ⤓(Save the Life Line Chart View) button that allows you to save the currently displayed Chart into a SVG (*.svg) format file for later printing.
Configure the active view with options shown in that section.
Life Line Ancestor Chart View
Shows individuals as lines in an ancestor chart.
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Life Line Descendant Chart View
Shows individuals as lines in an descendant chart.
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Configure Options
The 
Configure the active view dialog shows two tabs of option that you can configure independently for the charts:
General Layout
The following options are available for both unless stated otherwise:
- number of generations.
- warping of the whole chart (normal grid, sine, triangle).
- optimizations (only ancestor diagram):
- flip family to reduce the cross chart connection lengths.
- horizontal chart compression.
- show or hide pedigree collapse.
- unique line color or coloring based on surname.
- show or hide labels for birth, death, marriages.
- relative line width.
- vertical and horizontal chart size.
- line fading represents the uncertainty of dates or the age.
- line weighting (only descendant diagram).
- general chart layout "parents enclose children" or "cactus" (only descendant diagram).
- softness of the family shape.
- vertical flipping of the whole chart.
- show photos of the person on the line.
- size of the photos.
To return to defaults use the Reset all settings button.
Label Configuration
The following options are available:
- font name
- font size
- birth label.
- position.
- rotation.
- alignment.
- word wrapping.
- death label.
- position.
- rotation.
- alignment.
- word wrapping.
To return to defaults use the Reset all settings button.
Prerequisites
This addon requires the following two Python modules be installed:
- life_line_chart
- svgwrite
Semi-automatic download
Gramps 5.1 supported semi-automatic download If the requirements for this addon have not already been installed you will be prompted to download them semi-automatically by selecting the Download module button for each.
The addon is based on the Python module life_line_chart, this Python module is required.
To enable SVG file export, the module (svgwrite) is required (which has a minimum requirement of Python 3.6).
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For Gramps 5.2 and older To enable SVG file export use the minimum requirement of Python 3.6 for svgwrite prerequisite |
Issues
- Unable to be installed on Gramps 6.x Windows AIO due to pip issue win (Workaround use gpr file from Gramps 5.1 and modify the version number to 6.0 you will be offered the option buttons to semi-automatically install the modules as shown in prerequisites section)
- "smooth scrolling" is supported since GTK 3.24 (GTK documentation), the Gramps 6.0.x Windows AIO uses version 3.24.+ .
For current issues see the related tag LifeLineChartView on the bugtracker.
