I see what you are saying, but I thought it was starting with a default [all[]] operator. I even tried putting an explicit [all[]] operator on the front.
Thanks, Cade On Saturday, September 26, 2020 at 11:37:23 AM UTC-5 compa...@gmail.com wrote: > Hi Cade, > > you are understanding the mathematical "idea" of intersection correct BUT > you are telling TW to throw away everyting that your first run outputted > when you are using filter-operators that throw away the input (stated as > "input ignored" in the filter operator) in subsequent runs, as *[A]* and > *[C]* do. See also: https://tiddlywiki.com/#title%20Operator. > > What you actually get is everything that lists *C* in your first <$list> > and *A* in your second. > > Regards, > Mirko > > Am Samstag, 26. September 2020 17:56:02 UTC+2 schrieb Cade Roux: >> >> Thanks, I have started using a field and I am struggling with list >> intersections, i.e. lists of items that are tagged both A and C: >> >> I thought these would be the intersection and should be equivalent: >> >> <$list filter="[[A]listed[my.field]] +[[C]listed[my.field]]" /> >> <$list filter="[[C]listed[my.field]] +[[A]listed[my.field]]" /> >> >> But not only are they not equivalent, they are not correct lists: >> >> [image: Screenshot 2020-09-26 105510.png] >> >> What am I not understanding correctly about the filter intersections? >> >> Thanks, >> >> Cade >> >> On Saturday, September 26, 2020 at 1:03:00 AM UTC-5 TW Tones wrote: >> >>> Cade, >>> >>> As far as I know Gentags is the state of the art for a plugin giving you >>> alternative tag fields. >>> >>> Just keep in mind tags are a solution built into the core. >>> >>> - I for one avoid them to keep them free for ad hoc tagging. >>> - Instead I tend to use my own fields and list fields that in many >>> ways work not unlike tags if you want them to. >>> - See listops and other operators and widgets. >>> - Avoid the use of prefixes on titles, including tag names where >>> practical otherwise you will find you need to parse the title to extract >>> info. >>> >>> >>> For a small or for purpose wiki do what you want with the tags and >>> prefixed titles, its only when you transfer tiddlers or grow wikis it may >>> become a problem. >>> >>> Regards >>> Tony >>> >>> On Saturday, 26 September 2020 04:48:59 UTC+10, Cade Roux wrote: >>>> >>>> I find myself looking to use this concept in my data mart data >>>> dictionary/user manual, as I want to have three types of tags for one set >>>> of generated tiddlers and three types of tags for another set of generated >>>> tiddlers and putting a prefix on each set and throwing them into tags >>>> field >>>> is kind of unwieldy and the filters will be really awkward. >>>> >>>> Is https://ooktech.com/jed/ExampleWikis/GenericTagFields/ this the >>>> latest thinking on that or is there another plugin I should be looking at >>>> (or something that has made it to core? >>>> >>>> Thanks, >>>> >>>> Cade >>>> >>> -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/8acaf3e4-dc0d-4c0a-bf1c-56c49d1799c8n%40googlegroups.com.
