Why is view a showing the wrong piece?The rest are ok

2008/9/10 Oleg Kobchenko <[EMAIL PROTECTED]>

> You load the chess32.bmp and cut into a list of piece icons.
> It should be indexed by piece, color and square color.
> Makes sense to superimpose checkered board on pieces.
>
> Then you assemble the 8x8 board of those indices
> replacing with icons and stitch it.
>
>
>
>
> > From: Björn Helgason <[EMAIL PROTECTED]>
> > To: Programming forum <[email protected]>
> > Sent: Tuesday, September 9, 2008 7:56:02 PM
> > Subject: [Jprogramming] chess pieces
> >
> > I have been meaning to try out the chess pieces for a long time but never
> > got around to it until now.
> >
> > http://www.jsoftware.com/jwiki/Scripts/Chess_Generator
> > I took the cardgen script and used it as a starting point as suggested
> and
> > tested until I got the chesspieces displayed correctly.
> >
> > require 'viewmat'
> >
> > F=: readbmp jpath'~user/chess/chess32.bmp'
> > C=: ,/}:"_1 ] 0 1 2 3 4{(,:~32 31) ];.3 F
> > T=: 16ba000
> >
> >     maxd =: |:@:([EMAIL PROTECTED]&>) {@;&(>./) {:@$&>
> >    table  =: [: > [: ,&.>/ [: ,.&.>/"1 maxd {.!.T&.> ]
> >     hand =: (,!.T)&.>/
> > NB.   stack=: (,.~ 12&{."1)~/
> >     stack=: (,.~ 1&{."1)~/
> > NB.   group=: [: (<[EMAIL PROTECTED]&13 >     group=: [: (<[EMAIL 
> > PROTECTED]&1 >    shand  =:
> empty`([: >@hand (~ group)@.([EMAIL PROTECTED])
> >
> > NB.   tabmat =: 3 3 $&, a:&,.
> > tabmat =: 8 16 $&, a:&,.
> > view     =: [:viewrgb [:table [:shand&.> tabmat
> > deal     =: _2(<\?~)30"_
> >
> > NB.  view deal''
> > a=:
> >
> 9;19;8;22;11;20;7;21;18;6;18;6;18;6;18;6;24;25;24;25;24;25;24;25;25;24;25;24;25;24;25;24;24;25;24;25;24;25;24;25;25;24;25;24;25;24;25;24;0;12;0;12;0;12;0;12;15;1;14;4;17;2;13;3
> > b=:
> >
> 9;19;8;22;11;20;7;21;18;6;18;6;18;6;18;6;24;25;24;25;24;25;24;25;25;24;25;24;25;24;25;24;24;25;24;25;24;25;24;25;25;24;25;24;25;24;25;24;0;12;0;12;0;12;0;12;15;1
> > 1;14;4;17;2;13;3
> > view a
> > view b
> >
> > ---------------------------------------
> >
> > view a gives me a wrong piece
> > It gives pawn instead of the knight
> > (piece 0 instead of piece 1)
> >
> > view b gives the knight in the right place but a green line down the
> table
> > (used 1 1 instead of 1)
> >
> > I am pretty sure this is not the best solution but it sort of works.
> >
> > Can someone please explain why view a displays the wrong piece?
>
>
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>



-- 
Björn Helgason, Verkfræðingur
Fugl&Fiskur ehf,
Þerneyjarsundi 23, Hraunborgum
Po Box 127,801 Selfoss ,
t-póst: [EMAIL PROTECTED]
gsm: +3546985532
Landslags og skrúðgarðagerð, gröfuþjónusta
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