[Qgis-user] graduated symbols for point layers

[Sake Wagenaar]

Hi Caroline,

If you use new symbology, the option to scale point symbols is hidden 
under the button 'Advanced'. With 'Size scale field' you can select a 
field. Next you have to change 'Size', to give the symbols the size you 
want. If the values are large, and you use millimeters, the symbols get 
much too large, even if you use the smallest possible value for Size 
(0,01).  A better option is to use map units.

Sake Wagenaar

Op 11-11-2011 23:08, Caroline Rendon schreef:
> Hi,
>
> I'm trying to create graduated symbols for a point layer, and the only 
> option it will give me is by color, but I want graduated symbols by 
> size. I was only able to get the color to work with "old symbology" 
> because in new symbology the layer would just disappear altogether and 
> I had to re-add it. So in old symbology I can get dots of different 
> colors but not different sizes. Am I missing a plugin or something? 
> I'm working in 1.7.1 on Win XP. Thanks in advance for your help!!
>
> Caroline Rendon
>
>
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