[Jprogramming] Boxing Issues

Wed Jul 8 01:39:23 UTC 2020

Sorry to double up, had not seen Brian’s reply when I sent…/Rob

> On 8 Jul 2020, at 11:37 am, 'Rob Hodgkinson' via Programming <programming at jsoftware.com> wrote:
> 
> Skip, this may help you with your preferred display.
> 
> I believe it used to be possible to configure box display (whether to have top/bottom of boxes etc), but I think that was deprecated instead to allow box drawing characters as an 11 item list, which is available through the foreign conjunction 9!:6 (to view) and 9!:7 (to set), for example:
> 
>   9!:6’’				NB. This is the 11 element vector of box drawing chars
> ┌┬┐├┼┤└┴┘│─
> 
>   9!:7 '|' 9}11${.a.		NB. I now set this to ‘………|.’ (Where the ‘.’ Is a null which is {.a.)
> 
>   9!:6''
> |					NB. This is an 11 item vector, but all box chars except the separator are nulls
>   $9!:6''
> 11
> 
>   ]m=.'abc';'rtyuio';'b';'asdf';'wdrtybji';'ee';'nuko';'n'
> 
> |abc|rtyuio|b|asdf|wdrtybji|ee|nuko|n|
> 
> NB. The output above is 3 lines (first line is a list of nulls, second line is delimited boxes, 3rd line is a list of nulls)
> 
> NB. So only the separators appear (it displays ‘aligned’  in the example below in my session and font, but unlikely to appear this way in email).
> 
>   2 4$m
> 
> |abc     |rtyuio|b   |asdf|
> 
> |wdrtybji|ee    |nuko|n   |
> 
> 
> Maybe it’s close enough for you to use.
> 
> Rob
> 
>> On 8 Jul 2020, at 9:59 am, Skip Cave <skip at caveconsulting.com> wrote:
>> 
>> Thanks Hauke for your reply. That helped me see how to proceed.
>> 
>> I mentioned that it would still be nice to have a simple way to remove the
>> horizontal and corner box characters for times when presenting J in venues
>> where fixed-width or unicode fonts are not available.
>> 
>> 
>> Here's what i mean:
>> 
>> m=.'abc';'rtyuio';'b';'asdf';'wdrtybji';'ee';'nuko';'n'
>> 
>> Not this:
>> 
>> m
>> 
>> ┌───┬──────┬─┬────┬────────┬──┬────┬─┐
>> 
>> │abc│rtyuio│b│asdf│wdrtybji│ee│nuko│n│
>> 
>> └───┴──────┴─┴────┴────────┴──┴────┴─┘
>> 
>> 
>> But this:
>> 
>> m
>> 
>> │abc│rtyuio│b│asdf│wdrtybji│ee│nuko│n│
>> 
>> 
>> 
>> Not this:
>> 
>> 2 4$m
>> 
>> ┌────────┬──────┬────┬────┐
>> 
>> │abc │rtyuio│b │asdf│
>> 
>> ├────────┼──────┼────┼────┤
>> 
>> │wdrtybji│ee │nuko│n │
>> 
>> └────────┴──────┴────┴────┘
>> 
>> 
>> But this:
>> 
>> 2 4$m
>> 
>> │abc│rtyuio│b│asdf│
>> 
>> │wdrtybji│ee│nuko│n│
>> 
>> 
>> As a format option.
>> 
>> 
>> Skip Cave
>> Cave Consulting LLC
>> 
>> 
>> On Tue, Jul 7, 2020 at 12:44 PM Hauke Rehr <hauke.rehr at uni-jena.de> wrote:
>> 
>>> Hi Skip,
>>> 
>>> this is how I would try to achieve what you’re after
>>> 
>>>   ] suits =: u: 9824 9827 9829 9830
>>> ♠♣♥♦
>>>   ;/ values =: (3 2 $ ' J Q K') , ": >: i. 10 1
>>> ┌──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┬──┐
>>> │ J│ Q│ K│ 1│ 2│ 3│ 4│ 5│ 6│ 7│ 8│ 9│10│
>>> └──┴──┴──┴──┴──┴──┴──┴──┴──┴──┴──┴──┴──┘
>>>   deck =: ,/ values ,"1/ ":"0 suits
>>>   _4 <\ deck
>>> ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
>>> │ J♠│ Q♠│ K♠│ 1♠│ 2♠│ 3♠│ 4♠│ 5♠│ 6♠│ 7♠│ 8♠│ 9♠│10♠│
>>> │ J♣│ Q♣│ K♣│ 1♣│ 2♣│ 3♣│ 4♣│ 5♣│ 6♣│ 7♣│ 8♣│ 9♣│10♣│
>>> │ J♥│ Q♥│ K♥│ 1♥│ 2♥│ 3♥│ 4♥│ 5♥│ 6♥│ 7♥│ 8♥│ 9♥│10♥│
>>> │ J♦│ Q♦│ K♦│ 1♦│ 2♦│ 3♦│ 4♦│ 5♦│ 6♦│ 7♦│ 8♦│ 9♦│10♦│
>>> └───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┘
>>> 
>>> deck is pretty much your all in
>>> 4 13$(52?52){all
>>> As long as you don’t do any boxing, you won’t
>>> need to get rid of boxing characters.
>>> You can always insert | characters manually, though.
>>> If you feel like they make the dealt hands more readable.
>>> 
>>> Am 07.07.20 um 18:45 schrieb Skip Cave:
>>>> The four suit symbols I was using were from a. 3 4 5 6{a.
>>>> 
>>>> These symbols are not the same width as the character symbols in a. so
>>> they
>>>> mess up the boxing characters.
>>>> 
>>>> ;/3 4 5 6{a.
>>>> 
>>>> (My email fonts don't have the a. symbols)
>>>> 
>>>> ┌─┬─┬─┬─┐
>>>> 
>>>> │ │ │ │ │
>>>> 
>>>> └─┴─┴─┴─┘
>>>> 
>>>> I discovered that the unicode suit symbols u: 9824 9827 9829 9830
>>>> 
>>>> are smaller, and seem to have the standard width:
>>>> 
>>>> ;/u:9824 9827 9829 9830
>>>> 
>>>> ┌─┬─┬─┬─┐
>>>> 
>>>> │♠│♣│♥│♦│
>>>> 
>>>> └─┴─┴─┴─┘
>>>> 
>>>> So that solves the width problem when boxing.
>>>> 
>>>> 
>>>> The other issue I had with seemingly random spaces in the cards in a
>>> random
>>>> deal was caused by my four 10 cards (10 of spades, hearts. etc) having
>>>> three characters instead of two. J cleverly distributes spaces across
>>> each
>>>> boxes' content to make the boxes align. However, the seemingly random
>>>> distribution of spaces confused my diagnosis.
>>>> 
>>>> J distributes spaces across all the cells to make the boxes align for
>>>> variable width contents. This exacerbates the issue with the non-standard
>>>> widths of the a. font. However, the fixed-width unicode symbols
>>> eliminates
>>>> the issue, though it might be better if the spaces were inserted before
>>> or
>>>> after the characters, rather than placed in the middle.
>>>> 
>>>> 
>>>> 4 13$(52?52){all
>>>> 
>>>> ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
>>>> 
>>>> │10♠│9 ♣│K ♥│3 ♣│J ♦│4 ♠│4 ♦│2 ♠│6 ♥│3 ♠│K ♦│Q ♥│J ♣│
>>>> 
>>>> ├───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┤
>>>> 
>>>> │5 ♥│5 ♠│9 ♥│Q ♠│7 ♦│5 ♣│3 ♥│10♦│8 ♦│J ♥│4 ♣│9 ♦│6 ♣│
>>>> 
>>>> ├───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┤
>>>> 
>>>> │8 ♣│J ♠│A ♣│7 ♣│Q ♦│6 ♦│10♣│K ♣│A ♥│2 ♥│A ♠│4 ♥│9 ♠│
>>>> 
>>>> ├───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┤
>>>> 
>>>> │7 ♠│3 ♦│5 ♦│Q ♣│8 ♥│2 ♦│10♥│A ♦│K ♠│7 ♥│2 ♣│8 ♠│6 ♠│
>>>> 
>>>> └───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┴───┘
>>>> 
>>>> It would probably be better for me to use the character 'T' instead of
>>> 10,
>>>> so all the cards would have two characters.
>>>> 
>>>> 
>>>> Finally, it would still be nice to have a simple way to remove the
>>>> horizontal and corner box characters for times when presenting J in
>>> venues
>>>> where fixed-width or unicode fonts are not available.
>>>> 
>>>> 
>>>> Skip Cave
>>>> 
>>>> On Tue, Jul 7, 2020 at 10:20 AM Raul Miller <rauldmiller at gmail.com>
>>> wrote:
>>>> 
>>>>> If the fixed width font has variable width characters, that's not a
>>>>> bug in J, that's a problem with the font.
>>>>> 
>>>>> One approach would be to rebuild the font's characters, enforcing a
>>>>> fixed width format. Doing this requires access to either suitable
>>>>> tools, or sufficient documentation on the font's data structures so
>>>>> that you can build your own tools.
>>>>> 
>>>>> --
>>>>> Raul
>>>>> 
>>>>> On Tue, Jul 7, 2020 at 11:10 AM Skip Cave <skip at caveconsulting.com>
>>> wrote:
>>>>>> 
>>>>>> When working in JQT with some of the non-standard-width characters in
>>> a.,
>>>>>> the boxing formatting is incorrect.
>>>>>> Here's a link to a screenshot (.png) of my code in JQT attempting to
>>>>> create
>>>>>> all the 13 playing cards in 4 suits. https://bit.ly/2BD6LEQ
>>>>>> 
>>>>>> 
>>>>>> As you can see, the horizontal boxing characters are incorrect, and
>>> don't
>>>>>> adjust for the wider characters, even though I'm using a fixed-width
>>>>> font.
>>>>>> 
>>>>>> In the second part of the example, I randomly deal 4 hands from the
>>> deck
>>>>>> labeled 'all'.
>>>>>> 
>>>>>> At this point, we have 4 hands of 13 cards, but there are random spaces
>>>>>> scattered in the boxed cards.
>>>>>> 
>>>>>> Something went wrong, adding spaces after the random deal.
>>>>>> 
>>>>>> In the third part, I remove all the horizontal boxing, making the
>>> display
>>>>>> look much neater, but the extra spaces are even more visible.
>>>>>> 
>>>>>> 
>>>>>> Two issues:
>>>>>> 
>>>>>> 1. Something is inserting random spaces when randomly selecting boxed
>>>>> items.
>>>>>> 
>>>>>> 2. It would be nice to have the boxing auto-adjust for variable width
>>>>>> characters. If that isn't possible, it would be useful to have a boxing
>>>>>> format option to remove horizontal boxing & corner characters for
>>>>>> environments that don't have fixed-with fonts, that use
>>>>> non-standard-width
>>>>>> characters, or that force double-spaced lines (Quora). After posting J
>>>>>> problems and solutions in various venues, it turns out that the
>>> vertical
>>>>>> bar (│) without horizontal bars or corners, is quite enough to clearly
>>>>>> delineate separate items in most cases.
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Skip Cave
>>>>>> Cave Consulting LLC
>>>>>> ----------------------------------------------------------------------
>>>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>>> ----------------------------------------------------------------------
>>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>>> 
>>>> ----------------------------------------------------------------------
>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>> 
>>> 
>>> --
>>> ----------------------
>>> mail written using NEO
>>> neo-layout.org
>>> 
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>> 
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
> 
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm