Details Ticket 4432


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Serial Number 4432
Subject v.univar,v.univar.sh: input table or vector?
Area grass6
Queue grass
Requestors tutey@o2.pl
Owner mbarton
Status open
Last User Contact Thu May 11 23:20:17 2006 (2 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Wed Jul 26 18:32:13 2006 (2 yr ago)
Created Mon May 8 14:37:57 2006 (2 yr ago)

Transaction History Ticket 4432


Mon, May 8 2006 14:37:57    Request created by guest  
Subject: v.univar,v.univar.sh: input table or vector?

Platform: GNU/Linux/x86
grass obtained from: CVS
grass binary for platform: Compiled from Sources
GRASS Version: 2006-05-08

v.univar and v.univar.sh functionality is identical (almost) but:

v.univar takes "map   Name of input vector map" as input

while

v.univar.sh takes "table   Name of data table"

Which one is right?

Both have a vector icon for input in GUI mode...

Maciek
Thu, May 11 2006 23:03:28    Owner changed to mbarton by mneteler  
Thu, May 11 2006 23:03:34    Mail sent by mneteler  
Hi,

I think that v.univar.sh is wrongly implemented. It should
use v.db.select and not provide the possibility to
select database and driver, but only layer.

Otherwise the name should be db.univar.sh (which isn't
really desired).

Markus
Thu, May 11 2006 23:20:17    Mail sent by michael.barton@asu.edu  
Return-Path <Michael.Barton@asu.edu>
Delivered-To grass-bugs@lists.intevation.de
Date Thu, 11 May 2006 14:22:36 -0700
From Michael Barton <michael.barton@asu.edu>
Subject Re: [bug #4432] (grass) Transaction (mneteler)
In-reply-to <20060511210334.E8E9F1006AB@lists.intevation.de>
To Paolo Cavallini via RT <grass-bugs@intevation.de>, grass developers list <grass-dev@grass.itc.it>
Cc Markus Neteler <neteler@itc.it>
Message-id <C088F92C.21565%michael.barton@asu.edu>
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I understand your point. However....

If we change it (content or name), we also need to change the code in
d.vect.thematic, thematic.tcl, and possibly some other scripts.

This is modeled on r.univar.sh. But of course vectors are not like rasters.
Vectors have attributes in separate attribute tables. But they can have
multiple attribute tables. There was a reason for making it possible to
select the table and driver, but I don't remember exactly what it was. I
think it had to do with not being able to use PostgreSQL or other non-dbf
databases properly in d.vect.thematic.

So this can be done if necessary, but it needs to be done carefully and
completely, making sure that the changes cascade correctly through all
related pieces. 

The best thing would be to put median and quartiles into v.univar and switch
the whole bunch over to that.

Michael
__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton


> From: Markus Neteler via RT <grass-bugs@intevation.de>
> Reply-To: Markus Neteler via RT <grass-bugs@intevation.de>
> Date: Thu, 11 May 2006 23:03:34 +0200 (CEST)
> To: <michael.barton@asu.edu>
> Subject: [bug #4432] (grass) Transaction (mneteler)
> 
> this bug's URL: http://intevation.de/rt/webrt?serial_num=4432
> 
> Thu, May 11 2006 23:03:34: Request 4432 was acted upon.
> 
>  Transaction: Mail sent by mneteler
>  
>        Queue: grass
>         Area: grass6
>      Subject: v.univar,v.univar.sh: input table or vector?
>        Owner: mbarton
>   Requestors: werchowyna@epf.pl
>       Status: open
> 
> -------------------------------------------------------------------------
> Hi,
> 
> 
> 
> I think that v.univar.sh is wrongly implemented. It should
> 
> use v.db.select and not provide the possibility to
> 
> select database and driver, but only layer.
> 
> 
> 
> Otherwise the name should be db.univar.sh (which isn't
> 
> really desired).
> 
> 
> 
> Markus
> 
> -------------------------------------------- Managed by Request Tracker


Wed, Jul 26 2006 18:32:13    User changed to tutey@o2.pl by msieczka  
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