Pie chart dynamic Dimension Limits

[#1]

Hi Experts ,

I am new to Qlikview tool..

I Have one requirement like  " Top N material which has max repair calls  ". so I developed one static Pie chart .but client wants dynamic pie chart

based on parameter Pie chart should display.

For Example :  Top 10 material which has max repair calls.

Result Expecting is...

Pie chart should  display only  Top 10 material

Please Give me any suggestions.

Regards,

Vinod

[#2]

As a dimension use

=IF (Aggr(Rank(Count([Repair Calls])), Material) <= $(vTopn), Activity, Null())

The expression:

Count([Repair Calls])

In which $(vTopn) is the variable where the top n can be set

[#3]

Hi Erik van Hout,

Where i have to write the " $(vTopn) " in script level or pie chart level.

I am new to Qlikview tool..Hence Could you please guide me..

Regards,

Vinod