On Aug 8, 2008, at 9:00 AM, <[EMAIL PROTECTED]> wrote:

Date: Fri, 08 Aug 2008 10:27:33 +0300
From: Wolf Bergenheim <[EMAIL PROTECTED]>
Subject: Re: [GRASS-dev] terminology issues in grass7
To: Martin Landa <[EMAIL PROTECTED]>
Cc: GRASS developers list <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 07.08.2008 20:22, Martin Landa wrote:


GRASS is basically layer-based GIS, in grass6 we call layers as maps,
e.g. raster map. I would suggest to use in grass7 'layer' instead

* raster layer
* 3d raster layer
* vector layer

'Map' could be used for composition of layers. And to rename all the
arguments ('map' -> 'layer').

'Layer' is currently used for vectors. Original term 'field number'
seems to me as a better choice. It would mean at the end to rename
also all 'layer' parameters to 'field'.


I agree with changing map to layers and using map to refer to the composited group of layers.

However, I disagree with using "field number" for the features that are now called "layers" in vectors. These are "key fields" or "keys" in standard DBMS terminology for linking the vector table with the attribute table. I propose using "key" or "keyfield".

Michael



Yes, that would conform more with the terminology of most other GIS:es
out there. Especially the vector layer is very confusing for people who
switch to GRASS. The renaming the layer parameters might need a lot of
manual work, or maybe we can device a script to do it.

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