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From: Torsten Wagner <torsten.wagner@gmail.com>
To: Org Mode Mailing List <emacs-orgmode@gnu.org>
Subject: Problem: Moving rows in a table changes vsum start and end
Date: Fri, 28 Sep 2012 17:37:46 +0900	[thread overview]
Message-ID: <CAPaq-gN6EojDQkK5-yrnP2o6UHvSOxHA54EpxC7i=c807K_8Wg@mail.gmail.com> (raw)

Hi,

I just notice a funny row-shift effect, having a table with a field
calculated by vsum.


| Nr. | value |
|-----+-------|
|   1 |     5 |
|   2 |     5 |
|   3 |     5 |
|   4 |     5 |
|   5 |     5 |
|   6 |     5 |
|-----+-------|
| Sum |    30 |
#+TBLFM: @8$2=vsum(@2..@7)

now shift (sort) the rows by using M-arrowup and M-arrowdown


| Nr. | value |
|-----+-------|
|   1 |     5 |
|   6 |     5 |
|   5 |     5 |
|   3 |     5 |
|   4 |     5 |
|   2 |     5 |
|-----+-------|
| Sum |    10 |
#+TBLFM: @8$2=vsum(@2..@3)

Check, the #+TBLM:-line changed too! This might be desired sometimes
but might also trouble people if they do not give careful attention.

I know someone could do

| Nr. | value |
|-----+-------|
|   1 |     5 |
|   6 |     5 |
|   5 |     5 |
|   3 |     5 |
|   4 |     5 |
|   2 |     5 |
|-----+-------|
| Sum |    30 |
#+TBLFM: @8$2=vsum(@I..@II)

But still I feel that people can too easily trap into wrong calculus.

One solution, I could see is then whenever forms change
"automagically" highlight this changes within the TBFM line, e.g.,  by
a change of the background color in a similar way like matching
parenthesis. That might help to make people more aware of it and shows
which equations are affected by the current operation.


All the best

Torsten

             reply	other threads:[~2012-09-28  8:38 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-28  8:37 Torsten Wagner [this message]
2012-09-28  8:46 ` Bastien
2012-09-28 12:32   ` Torsten Wagner
2012-09-28 13:53     ` Bastien
2012-09-28 16:17       ` Torsten Wagner
2012-09-28 16:56         ` Bastien
2012-09-28 16:00     ` Bastien
2012-09-28 16:18       ` Torsten Wagner
2012-09-29  9:17       ` Carsten Dominik
2012-09-29  9:57         ` Achim Gratz
2012-09-29  9:59           ` Bastien
2012-09-29 10:03             ` Achim Gratz
2012-09-29 10:01           ` Carsten Dominik
2012-09-29 10:04             ` Bastien
2012-09-29 10:11             ` Achim Gratz
2012-09-29 10:58               ` Carsten Dominik
2012-09-29 12:02                 ` Achim Gratz
2012-09-30  7:30         ` Torsten Wagner

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