Dash Board Reports

We are having reports know as Dash Board Reports in Portal which are graphical representation of the data in the Bex.

I think i am not sure they are designed in WAD and Data binding concepts will into picture.

Could you please send me detailed procedure (Screeshot) how to proceed after developing a report in BEX in order to display it as speedos and Bar chart in Portol

I shall be greatful if you can send me screenshots

Thanks in advance