Critical stations are those that are not in your regular sampling
interval (say every 25') but are of interest - such as intersections or
utility crossings (say sta 1+37.65). If you do not have any 'critical'
stations, don't specify any.
--
Karl Fuls PLS
Autocad AEC Training and Consulting
Autodesk Discussion Group Facilitator
Janet Manzano wrote:
> Hi everybody! Can someone tell how can I initially determine critical
> station value that I will use in sampling a single surface for cross
> section?