Ordinate Dimensioning is available in CATIA V4 under the DIMENS2 function.
If you have a standard CATIA installation there is an icon that looks something like this O-->|-->| This is used for making ordinate (Cumulate in CATIA) dimension systems. The Cumulate section of the parameters enables...
As far as I know there is no way to directly open a CATIA V4 export file directly in Solidworks. If you contact me I can help you out.
Brian Shipston
brian@tbmtech.com