[Qgis-user] Scale dependent rendering connected with attributes of field

[Martin Dobias]

2009/11/11 Borys Jurgiel <borysiasty at aster.pl>:
> Dnia środa, 11 listopada 2009 o 16:02:38 Piotr Pachół napisał(a):
>> Hello,
>> I would like to ask if in Qgis there is possibility to use scale
>> dependent rendering not only connected with whole layer but also with
>> attributes in particular field.
>> For instance I have one layer of roads classificated in one of field as
>> state roads, provincial roads etc. ...
>> Now I would like to use different scale dependent rendering for state
>> roads, provincial roads etc.
>> Is it possible ?
>>
>> Piotr
>
> Unfortunately, it isn't. You need to add a separate layer for every road type
> and scale range.
>
> Martin, do you plan to implement such functionality later in the NG Symbology?
> It would be great :)

I've been thinking about such renderer - it should be fairly easy to
implement. It would be actually a "proxy" renderer: for each scale
ranges it could contain a renderer (single / categorized / graduated
symbol or some other). But that could happen maybe for 1.5 or beyond
:-)

Martin