Pit/Scott,
Pit I Just realised you replied inline to my reply on history. Scott make
sure you review Pits comments.
I will extract a few key items from Pits's response to me to answer and
question your comments (retained below)
1. I think you are best using the date format that the tools you have to
enter and LIST dates in tiddlywiki
2. Its easy to write macros that add or remove delimiters, it makes
sense to use YYYY0MM0DD or YYYY0MM0DD000.. zero filled to map to tiddlywiki
date especially if you have a lot of content since 1900
3. Pit can you explain how you do this ?
get an end date "moment().add(0, 'days')" from the moment.js plugin -
works nicely in the timelines plugin
4. Add another date field perhaps for recognised dates ; Pit I don't
understand that
With tiddlywiki you are free to do as you wish, for examples if you have
different dates from different sources you can record these controversial
dates
One way to store multiple dates is to give each date field a suffix
"-date" dateaname-date and you can programaticaly extract all dates with
ease.
5. Allow dates to be entered manually as well as selected from the list I
am still trying to find a convenient list widget for dates
One reason you will have difficulty is because you are not keeping
dates compatible with tiddlywiki's date serial number, even if you don't
need time
However all this can be worked around to some degree, Like add the zeros
in the code you write.
Keep in mind when you get to dates outside date handling capabilities eg
-10,000BC you can introduce alternate handling even you do use the date
serial.
You could have a separate date field for "pre-history" etc..
For more tricks we need the issue to be identified and they can be
answered.
- One big one is calculated periods such that if a year is called "Annus
horribilis" you can given the year compute start and end dates
- When using valid tw5 dates the days field takes a little to
understand, I can help here, but it allows powerful range handling with
valid date awareness
- Evans formulae plugin was date powerful (my memory it was)
Thanks for the other references Pit.
- http://kixam.github.io/TW5-visjsTimeline/
<http://emkayonline.github.io/tw5visjs/>
- Damon as History Buff
https://groups.google.com/forum/#!topic/TiddlyWiki/ckbmFxV4gRk
Regards
Tony
> Am 15.07.2020 um 04:00 schrieb TW Tones:
>
> Scott,
>
> I have not developed any historical tiddlywiki's but I have spent a lot of
> time in personal organisers. From this I have a set of key methods I use. I
> will dump a few here which we can explore further.
>
> - Yes, set dates in custom date fields and have at least start and end
> dates, same for me, but I have 4 fields: First in the ISO date format
> YYY-0MM-0DD; second just the year YYYY (no leading 0s, BC with a "-"(minus)
> - Keep created and Modified to mean what they mean, created the
> tiddler and modified the tiddler - this is useful information don't
> compromise your future by changing their meaning yes
> - if both dates are the same consider it a mile stone I regard it as a
> 1-day-event; Milestones I identify by tags
> - If their is not end date then it marks a new era that has note close
> Thats
> a milestone for me, missing date migth just indicate that I dont know it .
> Ongoing things get an end date "moment().add(0, 'days')" from the
> moment.js
> plugin - works nicely in the timelines plugin
> - If it has no start date we are not sure when it started same here
> - Add another date field perhaps for recognised dates I dont
> understand that
> - You could use a plugin like http://kixam.github.io/TW5-datePicker/
> however
> more for this century (needs moment.js plugin as well see notes) I use
> that as a standard
> - Allow dates to be entered manually as well as selected from the list I
> am still trying to find a convenient list widget for dates
> - Keep as many dates as possible compatible with tiddlywiki's date
> serial number, even f you zero fill the rest of the serial number tricky
> one; I didnt do it because for history I dont need minutes, seconds,
> milliseconds
> - This allows you to continue to use operators and sort etc..
> - There is at least one visual timeline tool eg
> http://emkayonline.github.io/tw5visjs/
> Thats a must; new version here:
> http://kixam.github.io/TW5-visjsTimeline/
> <http://emkayonline.github.io/tw5visjs/>
> - A lot of the people pursuing genealogical tiddlywiki's need dates
> and some very old dates so maps to historical records. Damon Prichett
> has created some cool stuff for displaying family trees; see posts like
> 2020-06-28 in this group
>
> If you are taking records that become history there are more tricks
> Tony, please do tell...
>
> Regards
> Tony
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