[Qgis-developer] In with the new, out with the old?

[maaza mekuria]

I think overwriting an existing layer in memory is not a good practice.

 Updating existing geometry or attribute data would be great, such as when one merges two themes, and when the second theme is only contributing matching attribute. But overwriting should at least not be the default behavior.  

While using Python, I always feel it is not good that it wants to create a new even if the data I am adding is a dbf file. I think that is not helpful, there should be an option to append the data (this may apply to both the geometry and attribute) or make an new one.

Thank you,

Maaza
 
--- On Mon, 3/7/11, Borys Jurgiel <lists at borysjurgiel.pl> wrote:

From: Borys Jurgiel <lists at borysjurgiel.pl>
Subject: Re: [Qgis-developer] In with the new, out with the old?
To: qgis-developer at lists.osgeo.org
Cc: "Chris Crook" <ccrook at linz.govt.nz>
Date: Monday, March 7, 2011, 6:31 PM

Dnia poniedziałek 07 marca 2011 o 23:48:46 Carson Farmer napisał(a):
> Ok, I'm getting the overwhelming feeling that people want to be able
> to 'write' to memory layers. I'll try to add this functionality.

Yupiiii!!

> However, I really don't think this should be the 'default' or
> primary/sole output type. I think what I'll probably do is simply add
> 'output options' to the current output file dialog, such that users
> can choose memory layer (this might require some work on a more
> generic vector file writer), shapefile, kml, whatever...

Yes, exactly :) Nobody says it should be the only option. But about the 
default... well ;)

> So a tool to delete vector(s)/raster(s) and associated files.
> Something like a open file dialog where you can select x number of
> QGIS supported vector/raster files, and delete them all in one go?
> That would be handy...

Yes. And also a reverse possibility: to select a few layers to save and remove 
everything else. Of course, for a safety, it shoud sort and filter files by a 
timestamp (like clearing data in Firefox).

There are only few things in this world that I hate. One of them is saving to 
another and another and another and another file :D

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