[GRASS-user] v.label text orientation

Vincent Bain bain at toraval.fr
Mon Apr 15 07:41:14 PDT 2013

Oops, I forget to say if I use v.label with -a flag, I can easily bypass
the issue by editing the label file and manually add 180° to labels I
want to flip... but it is not so easy when calling v.label with -c flag.


Le lundi 15 avril 2013 à 16:36 +0200, Vincent Bain a écrit :
> Hi,
> v.label allows to curl text along lines (c flag) or rotate label to
> align with line orientation (a flag). Thus labels are created in order
> to display upside-up on the map, whatever the line direction, probably
> to make text easier to read.
> When it comes to label contour lines, it can be convenient (in fact
> mandatory) to place text upside-down : conventionally figures point
> toward upslope. The trick would be to orient text in accordance with
> line direction.
> Is there an option I missed or is it simply impossible with v.label ?
> Vincent.
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