[Qgis-developer] Field mapper when pasting features

[Saber Razmjooei]

Hi Arnaud,

 

As suggested by others, a QEP for mapping fields would be great. Some of the Processing tools (e.g. merging layers) can also benefit from that.

Cheers

Saber

 

From: Qgis-developer [mailto:qgis-developer-bounces at lists.osgeo.org] On Behalf Of Denis Rouzaud
Sent: 01 November 2016 08:02
To: Arnaud Morvan; qgis-developer
Subject: Re: [Qgis-developer] Field mapper when pasting features

 

Hi Arnaud,

I am really looking forward to seeing such feature implemented in QGIS, thanks for bringing up the discussion.

I would also recommend going for a QEP, as it is a largely foreseen feature, and I suppose everyone has its own definition and use-case...

>From my point of view, we should go for a very generic field-mapping mechanism which could be used in many places such as copy-paste. A way of reading/saving configuration would be quite useful, like presets.

Best wishes,

Denis

On 10/27/2016 05:52 PM, Arnaud Morvan wrote:

Hello QGIS devs, 

I want to add a field mapper dialog when pasting features to layers. 

For now when pasting features with attributes names that do not exists on the destination layer, 
those attributes values are lost. 

When clipboard fields and destination layer fields are not strictly the sames, 
In QGIS 3.0, I want to popup a new dialog with fields mapper configurator. 

Dialog UI could be similar to Refactor Fields Algorithm, showing a list of destination fields : 

    source expression (expression widgets) => destination field 

For example, I often use this workflow : 
    Open a shapefile or autocad file. 
    Use the refactor fields to get temporary layer with same fields as destination. 
    Paste to postgis database layer. 

I think having this dialog showing up when needed could really ease data manipulation from one layer to another. 
And I want to give the possibility to use expressions. 

Any remarks, do you think I need to open to open a QEP for that ? 

Regards 

 



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