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Build timeline svg image like this one:
from a list of dates and events name like this:
all_dates_bc = 1 525-456; 1: Aeschylus 458 ; 2: Aeschylus' Oresteia 445-380; 1: Aristophanes 399 ; 2: Execution of Socrates 428-348; 3: Plato
An svg image is a vector image, so you can zoom in without loosing any quality:
On this page:
The data used to build the image are divided into:
.tl) which contains:
.events) which contain dates and event names.
Here is an example of a timeline file (for Ancient Greek history):
# list of date files (path and color) greek-politics.events : red greek-wars.events : green greek-culture.events : yellow # options for the whole grahics: first_year = -550 last_year = -330 year_ratio = 10 year_caption_ratio = 20 print_dates = 0 year_interval = 5
Here is an example of a date file:
# option all_dates_bc = 1 # literature c 525- 456; 2: Aeschylus 458 ; 3: Aeschylus' Oresteia c 445- 380; 2: Aristophanes c 460-c 400; 4: Thucydides c 487-c 406; 5: Sophocles # philosophy 399 ; 1: Execution of Socrates c 428-c 348; 3: Plato # other c 480 ; 1: Kritios Boy 448- 432; 1: The Parthenon is built
You see that all the dates are “BC” (before Christ, or before common era) since the option
all_dates_bc is set to
The first column indicates the date or the range of dates of the event. The digit after the semi-colon indicates the row on which the event must be drawn. The text of the colon is the name of the event.
If you choose to set
1 in the global options, the dates are printed after the event name:
To get the image, run the command:
perl mktimeline.pl -o=OUTPUT_IMAGE.svg TIMELINE_FILE.tl
For example, to get the example below, run:
perl mktimeline.pl -o=testing/greek-history.svg testing/greek.tl
-h switch to print help.
In each type of file white lines are ignored, and comments are preceded by the character
The timeline file (
.tl) contains: (1) events files (.events), their color and title; (2) global options for the entire timeline.
Events files and their specifications must be on one line each:
file_name : default_color [ : file_title ]
The file name is relative to the current directory; color must be a CSS compatible named color; the title is a title that go through the entire timeline and is used to label the events of the file (this is not working at the moment).
Global options are specified, one per line, with the format:
optioname = value
Examples of these options are:
first_year = -550 last_year = -330 year_ratio = 10 year_caption_ratio = 20 print_dates = 0 year_interval = 5
The date file (
.events) contains a serie of events to be included in the timeline. Remember that a timeline may be created from several date files, and so that a date file can be used for several timelines.
The only option such a file may have specifies if all dates must be understood before Christ, unless otherwise stated:
# default: all_dates_bc = 0 # or: all_dates_bc = 1
A date is given by the following format:
c 525BC, or
800AD (which is the same as
all_dates_bc is set to
AD is not given,
AD is used by default unless the
all_dates_bc is specified before the date is read. The
c is used to indicate that the date is an approximate date, it is just used in the caption of the event (if
print_dates is set to
For a range, you just add an end date separated from the start date by a hyphen:
c 525BC - 456. If no end date is given, the event is a one-shot event and will be represented by a circle. Otherwise, it will be represented by a rectangle.
An event may be specified on two lines:
start_date [ - end_date ] description