Archive | May, 2013

Revit OpEd: Three Minutes with Floor Sloping

26 May

Revit OpEd: Three Minutes with Floor Sloping.

1) Slope Arrow – This is very effective when you know what sort of offset is required from known points but they are not necessarily at the start and end edges of the slab or in the same direction as any slab edge. Slope is defined by the location of the tail and head “endpoints” of the slope arrow. Revit will slope the entire floor according to the offset/slope parameter values you provide, between those points. It is perhaps the most versatile method other than shape editing but it is also a bit harder to become comfortable with.


2) Define one edge as slope defining – This is very easy for slabs that slope consistently overall in one direction, from one edge, and you don’t really care where the other edge “ends up”, it is what it is. You just pick one edge, set a slope. It is just like roofs except we are limited to one edge defining slope with floors.


3) Defines Constant Height – This too is very easy when the start and end edges of the slab also define the floor’s lowest and highest elevations (and what we see as the slope value isn’t the priority). You just set two parallel floor sketch lines to the appropriate elevation values, whatever values define the required offset.


Fwiw, for structural floors/roofs – Pick Supports (shape editing) – This will slope a roof according to the structural elements you select.


I took a few minutes to record a video of each approach, embedded here. It also touches on using the cantilever settings to extend the edges of a floor slab beyond the structural support members.


With what Attitude do you use Revit?

6 May

With what Attitude do you use Revit?

No doubt you would agree that our attitude can have a big effect on our lives. If we look at things with the right outlook and viewpoint, we are more likely to feel successful and satisfied.

So how does this relate to Revit? There are a number of ways to approach Revit as a software platform. Consider some examples:

  1. “Revit is a modeling tool, and I want it to be able to easily model any form I can conceive.”
  2. “Revit is a drafting tool, and I want it to be able to draft quickly and easily, and I demand absolute graphic control over every single visible 2D element.”
  3. “I believe Revit should be intuitive and easy to use. It should be able to guess what I want and deliver the result that I seek.””I have to use Revit because it is becoming the industry standard.
  4. I dont have to like it or understand how it works.”
  5. “I want to understand What Revit Wants, so that I can use it in a productive and appropriate manner.”I would say that the first 3 are basically impossible, for any software tool. However, in some ways Revit can deliver the results that you seek when approaching it with the attitudes of 1, 2, or 3. It is capable of many things, but it does have limitations. Attitude Number 4 is a problem though. Why? Because you MUST understand, at least to some degree, how Revit works. Otherwise you will never succeed, and you will face a lot of frustration. Yes, you must grasp What Revit Wants.You must try to think in the same way that Revit thinks. Why is it trying to join the walls this way? Why is object A masking object B? What is causing Revit to show this line dashed instead of solid? Instead of getting frustrated and angry, and instead of uttering unrepeatable phrases directed at Autodesk, just try and understand WHY.It is a little bit like meeting someone you dont know for the first time. You may choose to judge them from first impressions. Or you may try to understand them, and why they act the way they do. If you come to understand them, you may be able to have a rewarding relationship with that person.In conclusion, give Revit a chance. Try to understand. Try not to judge or lose your patience. Dont be afraid to find out What Revit Wants.

via What Revit Wants: With what Attitude do you use Revit?.

Save an In-Place Component as an RFA for use in another project

5 May

Here’s how:

  1. Open the Project containing the In-Place family
  2. Edit the In-Place family
  3. Select all of the elements in the family
  4. Group all of these elements using the Create Group tool.  Give the Group a name.
  5. Select the Group
  6. Do not Finish Editing the In-Place family yet!
  7. Go to the ‘R’ button (Application Menu) – Save As – Library – Group
  8. You will notice that the filetype is RFA!
  9. Save the Group somewhere.
  10. You Component Family IS the file that you just saved.

What Revit Wants: Save an In-Place Family as an RFA for use in another project.