Graphics Programs Reference
In-Depth Information
Crossing Parameter Types in Formulas
When referencing a parameter in a formula, it is important to know
that you cannot use an instance parameter in a formula for a type
parameter. You would need to either change the type parameter to an
instance or change the instance parameter to a type parameter.
Parameter Use
Starting a new job in a consulting engineer's office, Brian finds that the
drafting standard is to indicate duct type and construction by using
textual information rather than doing so graphically. This means
having 18 duct types defined in the project template, each with an
identical Type Mark parameter. However, duplicate type marks
produce an error message (which can be ignored). The way around this
is for Brian to create his own shared parameter type mark, MyCo Type
Mark. This method works well for Brian, allowing him to maintain his
drafting standards and maximize his efficiency.
System Parameters
When you create a family, certain parameters exist by default. These
parameters are hard-coded into the software and cannot be removed. You
can use these parameters to avoid having to create custom parameters.
