[Qgis-user] data defined labelling field details?

[Marco Hugentobler]

> Just a quick question - is there a separate tool for moving labels (I can
> poke around with this later and will probably figure it out)?

It's the second tool from the left side in the label toolbar.

Am Mittwoch, 12. Januar 2011, um 15.40:46 schrieb William Kyngesburye:
> On Jan 12, 2011, at 1:53 AM, Marco Hugentobler wrote:
> > Hi William
> > 
> >> - As I noted, data-driven offsets as an alternative to absolute
> >> position.
> > 
> > Data driven offset is available in the new labeling (first entry in data
> > defined properties->position)
> 
> That's a distance only.  It needs a direction.
> 
> >> - some way to specify in any data-driven setting to use the non-data
> >> driven setting, like an invalid or null value.  That is, say for
> >> placement, if the data value is NULL or empty use the around/over
> >> setting in the Advanced tab.  That way you can let the engine calculate
> >> fixed/dynamic settings and override them to fine-tune labelling of
> >> specific features.
> > 
> > This is how it already works. If you add two columns for x/y to your
> > table (with NULL entries), the positions for all labels will be
> > calculated automatic by the PAL label engine. As soon as you start
> > dragging labels around, the position will be insterted to the columns
> > and those entries are treated as data defined position.
> 
> As others were quick to point out ;)
> 
> I didn't know this.  It would still be nice to have the same behavior
> (dragging labels around) with relative positions, so the labels move with
> the features.  But since it's automatic when moving labels, it'll do for
> now.
> 
> Just a quick question - is there a separate tool for moving labels (I can
> poke around with this later and will probably figure it out)?
> 
> -----
> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
> http://www.kyngchaos.com/
> 
> Earth: "Mostly harmless"
> 
> - revised entry in the HitchHiker's Guide to the Galaxy


-- 
Dr. Marco Hugentobler
Sourcepole - Linux & Open Source Solutions
Churerstr. 22, CH-8808 Pfäffikon SZ, Switzerland
marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee