Re: [NTG-context] Inclusion of flow chart

7 May 2003


      As far as I know the FLOWchart module you can include existing pieces of
charts into a new one (see also the manual). However I would not know how to
separate the shapes from the arrows and combine the parts at will.

Krgds Willi

----- Original Message -----
From: 
To: 
Sent: Wednesday, May 07, 2003 2:17 AM
Subject: Re: [NTG-context] Inclusion of flow chart
...
Hi all,
I have definitely not been flooded by answers. I am getting the impression
that this forum might
not have been the best one to ask (i.e. I have a practical problem which
has little bearing with
implementation aspects / bugs / new features of Context).
I have gone through comp.text.tex, but it seems to be heavily oriented
towards latex.
Would you have any other direction I could go to and get some assistance?
Thanks for showing a door (;-)),
Emmanuel
Thanks Hans. Apologies if the discussion doesn't flow very much, I am
writing from down under.
In fact, what I would ideally like to do is the following:
1- Define a template with the boxes without any arrows.
2- Write numbered lists describing arrows that would be generated on top
of
...
the template.
The overview might look like the following (with some bogus macro names):
% Somewhere in a template file
% Template for the boxes:
\StartMPTemplate[Boxes]
%
%   -----     -----     -----
%   !   !     !   !     !   !
%   ! A !     ! B !     ! C !
%   -----     -----     -----
%
\startFLOWcell
  \name      {a}
  \location  {1,1}
  \shape     {action}
  \text      {\ss A}
\stopFLOWcell
\startFLOWcell
  \name      {b}
  \location  {2,1}
  \shape     {action}
  \text      {\ss B}
\stopFLOWcell
\startFLOWcell
  \name      {c}
  \location  {3,1}
  \shape     {action}
  \text      {\ss C}
\stopFLOWcell
\StopMPTemplate
------------------------------------------------------------------
% This creates the first chapter
\startcomponent Right
\Chapter{Every to the right}
% Inserts a float with the proper figure and the proper arrows using the
difinitions coming afterward
\StartMPGraphWithTemplate[Right]
\IncludeFLOWchartTemplate[Boxes]
\StopMPGraphWithTemplate
% Place the float
\placefigure
  [here,force]
  [fig:chart1]
  {Chart One}
  {\framed{\FLOWchart[Right]}}
% normal itemised text that will be numbered and will dynamically add tyhe
arrows to the figure [Right]
\startitemizeWithFLOWchart
  \arrow[labels=number,from=a,fromside=r,to=b,toside=l] This is the first
arrow.
  \arrow[labels=number,from=b,fromside=r,to=c,toside=l] This is the second
arrow.
\stopitemizeWithFLOWchart
%  This is the result
%
%   -----     -----     -----
%   !   !  1  !   !  2  !   !
%   ! A !---->! B !---->! C !
%   !   !     !   !     !   !
%   -----     -----     -----
%
% The text should appear below the float as \startitemize would have done
% 1  This is the first arrow.
% 2  This is the second arrow.
------------------------------------------------------------------
% This creates the next chapter
\startcomponent Left
\Chapter{Every to the left}
% Inserts a float with the proper figure and the proper arrows using the
difinitions coming afterward
\StartMPGraphWithTemplate[Left]
\IncludeFLOWchartTemplate[Boxes]
\StopMPGraphWithTemplate
% normal itemised text that will be numbered and will dynamically add tyhe
arrows to the figure [Right]
\startitemizeWithFLOWchart
  \arrow[labels=number,from=c,fromside=r,to=a,toside=l] This is the top
arrow.
\stopitemizeWithFLOWchart
%  This is the result
% !------------------------------
% !  -----     -----     -----  !
% !  !   !     !   !     !   !  !
% -->! A !     ! B !     ! C !--!
%    !   !     !   !     !   !
%    -----     -----     -----
%
%
The idea is that everything is dynamic:
- if the template changes, all the graphs get redrawn with the boxes at
their new place. The arrows get moved as needed.
- if the itemised text is changed (say the 'second arrow' line is written
before the 'first arrow'), then on the graph, the arrow from a to b would
be numbered 2 and the arrow from b to c would become 1.
What I tried is the definition you see at the top for the boxes. Then, to
generate the first graph, I would have:
---------------------------------------------------
\startFLOWchart[chart]
% Inserts template
\includeFLOWchart[template][x=1,y=1]
% Additional information on top of cell a
\startFLOWcell
  \name       {a}
  \connection [rl] {b}
  \comment    [t]  {\ss 1}
\stopFLOWcell
% Additional information on top of cell b
\startFLOWcell
  \name       {b}
  \connection [rl] {c}
  \comment    [t]  {\ss 2}
\stopFLOWcell
\stopFLOWchart
---------------------------------------------------
All I get is the template without any arrows.
I thought about trying to generate massive metafun macros. But I want the
itemised text to be text and not a graph.
Bottom line: is it possible? realistic?
I have been using MS Word so far to do that sort of thing. It has been
quite tedious to reflect any change in the box structure: 10 charts means
10 charts to re-edit.
As a bonus question that should be easier. Is it possible to draw other
sorts of arrows: i would like to draw straght line arrows that could
follow
a diagonal (say go north-east instead of east first then north), or
circular arrows like:
%
%   -----
%   !   !
%   !   !<--
%   -----   \
%            \
%            |
%   -----    /
%   !   !   /
%   ! A !<--
%   -----
As usual any help is welcome.
Emmanuel
Hans Hagen
                                To:
ntg-context@ntg.nl
                      Sent by:                 cc:       Emmanuel
                      RIALLAND/au/socgen@socgen
                      ntg-context-admin        Subject:  Re: [NTG-context]
                      Inclusion of flow chart
                      @ntg.nl
30/04/2003 05:17
                      Please respond to
                      ntg-context
At 18:49 24/04/2003 +1100, emmanuel.rialland@sgib.com wrote:
...
As you might have guessed, this breaks everything.
Has anybody an idea as to how I could do that?
can you make a minimal example?
Hans
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Re: [NTG-context] Inclusion of flow chart

Willi Egger