Creating DataMarts in BI 7.0

Hi,
If I have to load the data from the Data Source to the InfoCube, then the procedure of creating the data marts for the Data Source still exist in BI 7.0 or is there any other process to do that.
Can any one please explain me with the detailed steps, about how to load the data from the ODS in to the Info Cubes.
Thanks, I will assign the points.

Do I have to create the Transformation too between the InfoCube and the ODS?
Thanks for the info, I have already assinged you the points.

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