Architects often wish to output the same model in several versions, using different pen colors or pen weights each time to meet different requirements for scale, color or emphasis.
To aid users in this effort, ARCHICAD comes with several predefined Pen Sets. This way, you can switch pen sets for the entire project with a single click: you might prefer to use the “architectural plans” pen set when outputting plans for approval, then switch to the “electrical” pen set to output layouts for a subcontractor. When you change the pen set of a given project, the pen index numbers assigned to individual elements remain the same, but the colors and line weights associated with those pen indexes may change in accordance with the definitions in the new pen set, and your display and output will get a whole different look.
When you assign a pen to an element, you are assigning a pen index number to that element. ARCHICAD’s default pen indexes assigned to element parameters correspond to the element function. For example, slabs are assigned a default cut line pen with index 29, which corresponds to the function “Slabs – Cut Structural.”
Note: Depending on your localized version of ARCHICAD, your default pen sets and pen index assignments may vary.
See also Pen Sets.
Since each pen index number has a distinct function definition, it is worth paying attention to the pen function when assigning a pen to an element. (Or you can simply use the default element pens that are shipped with ARCHICAD.) If you assign pen index numbers consistent with the function of the element, then switching from one pen set to the other will ensure a consistent display that is in line with the purpose of your output.