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2009-09-02 07:34 PM
2009-09-07 04:54 AM
ares997 wrote:There is a wonderful book by Gabor Bojar, the founder and still Board Chairman of Graphisoft:
Does anyone know the history of Graphisoft in the 80's or where I could find it?
2009-09-07 02:31 PM
ejrolon wrote:Just to clarify: generally to create a new parametric object in Revit, you start with a blank family template, and you model the object. Geometry becomes parametric when you merely add dimensions to the geometry: give the dimension a label (like Length or Width, etc.) and voila - parametrics! Even AutoCAD has tried to copy this functionality but it's nowhere near as user-friendly! You may also add material / texture parameters for rendering purposes, as well as textual data (fire rating, cost, etc.) Quite flexible, and not terribly difficult.
AFAIK nobody except GS uses GDL, Revit has its own system based on editing pre-existing objects to create New Families.
This is an unfair oversimplification of Revit's workflow.
2009-09-07 02:49 PM
Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator
2009-09-07 03:13 PM
2009-09-07 05:11 PM
metanoia wrote:Sounds wonderful. We keep dreaming and hoping for something like that in AC.
Geometry becomes parametric when you merely add dimensions to the geometry: give the dimension a label (like Length or Width, etc.) and voila - parametrics!
2009-09-07 06:41 PM
Karl wrote:We have that (sort of) now with the complex profile tool. It is very similar to the way Revit makes all family parts. It will be great when we can create a window/door/object in a profiler type environment (vertical stretch, horizontal stretch, etc.)metanoia wrote:Sounds wonderful. We keep dreaming and hoping for something like that in AC.
Geometry becomes parametric when you merely add dimensions to the geometry: give the dimension a label (like Length or Width, etc.) and voila - parametrics!
Karl
2009-09-07 06:58 PM
outpostarc wrote:its pretty crippled parametrics though, all you can do is stretch a profile within two constraints to the wall/column/beam dimension. It would be great if you could define more complex wall profiles with parametric relationships between sub-components, etc
We have that (sort of) now with the complex profile tool. It is very similar to the way Revit makes all family parts. It will be great when we can create a window/door/object in a profiler type environment (vertical stretch, horizontal stretch, etc.)
2009-09-08 04:03 PM
owen wrote:Editing any code (which is usually logic inside the families) is done while editing the family, which can be done at any time. I can for instance put error trapping into families so that the bottom pane of my window (which functions as a vent) will never be less than say 200mm in height, like this:
Are you able to edit Family object code directly or is it via the GUI only? (fairly certain this is the case) Do you think it would make a difference if you could do both - i.e are there some aspects of the GUI that are cumbersome and could be quicker/easier via code (or more powerful with complex parameter equations)
It just seems like such an obvious thing to do. I cannot think of many more important, useful features that could be implemented than this if done correctly.
2009-09-08 06:53 PM
owen wrote:I agree. And, of course, if the stretch zones are not set up properly, then the adjective is 'distort'.
its pretty crippled parametrics though, all you can do is stretch a profile within two constraints to the wall/column/beam dimension.
2009-09-08 06:56 PM
metanoia wrote:Nice that it is the same syntax as Excel's IIF, so that users do not have to learn anything new.
IF (BTM_VENT_HEIGHT > 200, BTM_VENT_HEIGHT, 200)