[GRASS-dev] [Fwd: Re: [GRASS-user] vector layer labelling doesn't work....]

[Moritz Lennert]

Forwarding to dev-list in case someone wants to react. Summary: in 
vector area maps, labels are only displayed when centroids are also 
displayed.

Proposal: automatically display centroids, when attribute label option 
is activated.


Moritz

-------- Original Message --------
Subject: Re: [GRASS-user] vector layer labelling doesn't work....
Date: Fri, 08 Aug 2008 17:46:04 +0200
From: Moritz Lennert <mlennert at club.worldonline.be>
To: G. Allegri <giohappy at gmail.com>
CC: grassuser <grass-user at lists.osgeo.org>

On 08/08/08 17:34, G. Allegri wrote:
>> If I'm not wrong centroids were set on by default. I didn't make this
>> "mistake" before, but I've used labeling lot of times.
> 
> I mean, in some previous versions...
> 

see http://lists.osgeo.org/pipermail/grass-dev/2007-February/028873.html
and following, notably
http://lists.osgeo.org/pipermail/grass-dev/2007-February/028908.html

So, it's been off since 1 1/2 year, at least in trunk...

But, to come back to the labelling issues, AFAICT, all it would take is
this:

Index: display/d.vect/main.c
===================================================================
--- display/d.vect/main.c       (révision 32646)
+++ display/d.vect/main.c       (copie de travail)
@@ -565,6 +565,7 @@
             break;
         case 'a':
             display |= DISP_ATTR;
+           type |= GV_CENTROID;
             break;
         case 'z':
             display |= DISP_ZCOOR;


Martin, are you really against this ? Anyone else ? Otherwise, I would
commit.

Moritz





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