[Qgis-developer] Expression Builder Questions

[Andreas Neumann]

 Hi all - esp. Nathan ;-),

 I have a couple of questions regarding the expression builder:

 1. Would it be possible to add a $scale support which we could combine 
 with CASE ? This would be quite powerful to add condiditional labeling 
 depending on scale ranges.

 2. Is there a rounding function available other than toint() ? I 
 envision something like PostgreSQL round function: 
 http://www.postgresql.org/docs/9.1/interactive/functions-math.html where 
 one can specify the number of digits one wants to round to.

 3. Is there a string formatting function available that allows to 
 format longer nunmbers for better readability? E.g. 1000000.00 would 
 become 1'000'000.00

 Thanks if you have any idea/feedback on these three issues.

 Andreas

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 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland