Re: Behavior Change/Bug: Agenda sorting of deadline itemsv > 4.73

From: Carsten Dominik <dominik@science.uva.nl>
To: Eric J Haywiser <ejh1@MIT.EDU>
Cc: emacs-orgmode@gnu.org
Subject: Re: Behavior Change/Bug: Agenda sorting of deadline itemsv > 4.73
Date: Sun, 3 Feb 2008 09:21:52 +0100	[thread overview]
Message-ID: <3BA48DE0-7304-4189-93B0-6BC2A1FA2A1E@science.uva.nl> (raw)
In-Reply-To: <Pine.GSO.4.64L.0802011140340.22847@mass-toolpike.mit.edu>

Hi Eric,

thanks for your report, this is fixed now.  The deadline priority is  
now 100
on the due date, and it changes by 100 over the duration of the
warning day period. I hope this does work better.

- Carsten

On Feb 1, 2008, at 5:57 PM, Eric J Haywiser wrote:

>> Hm, the 4.67c behaviour seems a bit more sensible as it  
>> incorporates the
>> number of days that a deadline is delayed into the priority  
>> calculation.
>> Have a look at the function org-agenda-get-deadlines where the  
>> priority
>> of a deadline is calculated. Specifically the following code:
>>
>> :	(setq s (match-string 1)
>> :	      pos (1- (match-beginning 1))
>> :	      d2 (org-time-string-to-absolute (match-string 1) d1)
>> :	      diff (- d2 d1)
>> :	      wdays (org-get-wdays s)
>> :	      dfrac (/ (* 1.0 (- wdays diff)) wdays)
>> :	      upcomingp (and todayp (> diff 0)))
>>
>> and
>>
>> :		  'priority (+ (if upcomingp (floor (* dfrac 10.)) 100)
>> :			       (org-get-priority txt))
>>
>> You might be able to tweak this to get the desired behaviour.
>>
>> Hope that helps
>> Christian
>>
> Thank you.  That pointer was very helpful.
>
> Without understanding all the details of the priority mechanism, I  
> have this tweak which may introduce other issues.
>
> It maps deadlines in range [-deadline-warning-days -> +deadline- 
> warning-days]
> to a priority [2*d-w-d -> 0].  The other priorities coming from
> org-get-priority are shifted  10x relative to 2*d-w-d regardless of  
> d-w-d's value.  This makes priorites coming from o-g-p have more  
> weight than those calculated within o-a-g-d.  I think this  may have  
> been the original idea with the (* 1000 and (+ 100 but I'm not  
> really sure.
>
> diff org-5.19a.el org.el
> 14979d14978
> <
> 14984,14985c14983,14984
> <       (* 1000 (- org-lowest-priority org-default-priority))
> <       (* 1000 (- org-lowest-priority
> ---
>>      (* (expt 10 (+ (floor (log10 (* 2 org-deadline-warning-days)))  
>> 1)) (-
> org-lowest-priority org-default-priority)\
> )
>>      (* (expt 10 (+ (floor (log10 (* 2 org-deadline-warning-days)))  
>> 1)) (-
> org-lowest-priority
> 21165c21164,21167
> <             upcomingp (and todayp (> diff 0)))
> ---
>>            partialpriority (+ (- 0 diff) wdays)
>>            upcomingp (and todayp (> diff 0))
>>            pastp (<= diff 0)
>>            )
> 21204,21205c21206
> <                 'priority (+ (if upcomingp (floor (* dfrac 10.))  
> 100)
> <                              (org-get-priority txt))
> ---
>>                'priority (+ partialpriority (org-get-priority txt))
>
>
>
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