Revit Draw Reference Plane Height
Understanding Directional Properties of Reference Planes in Revit
Reference Planes are Directional! Emily explains this belongings and how it effects extrusions.
A while back, when I first started teaching family creation I kept noticing that a few people in the class would end upwards with extrusions extending in the opposite direction than they intended. I chalked this up to inexperience and lack of practise with family creation. What I soon realized, was that it was I who nonetheless had something to acquire!
Reference planes are directional! There is a front and a dorsum to a reference plane and how you draw that airplane, left to right or right to left, affects to which side the extrusion will extend.
With a little enquiry and testing I learned a few things about reference planes that made everything involving their apply less disruptive.
The image below shows a standard generic model family template with the ii original reference planes, Heart Left/Right and Centre Front/Back. I have drawn 4 extra reference planes and labelled them according to how I drew them. I then created an extrusion on each plane with a 1'-0" height and observed which direction they extended.
In the full general project environment, extrusions role the same way.
In peak, whether in a family or project, all extrusions placed on a plane will extend upwards unless a negative number is specified.
For every day family creation and extrusion of nearly elements in a model, whether the extrusion has a negative or positive height value doesn't actually matter. It won't affect the function of the family unit. What is important is that we empathize why we had to requite information technology that negative value in the first place.
Some other place where I found the drawing direction of the reference airplane matters is when it comes to Model Text.
Here, I have made a Left to Correct and Right to Left reference aeroplane with matching Model Text. I then drew 2 walls, 1 from left to correct and the other from right to left (just to see if it mattered).
I created some Model Text on the reference planes, both of which appeared correctly. I copied this original model text and used the Pick New to assign it to a new piece of work aeroplane. The text placed on the Left to Right reference plane appears inside the wall whereas the Right to Left text is placed correctly on the face of the wall.
I tested this with the other side of the same walls and once more, the Right to Left text is properly placed on the confront of the wall whereas the Left to Right is within the wall.
No amount of negative depth can solve backwards lettering!
If your text volition be remaining on a reference plane forever, the draw direction of the programme won't matter. Only if at whatsoever point yous move it from that reference plane to an object face, you'll see the effects of a backwards plane.
These parameter properties also apply to elements like lighting and other objects that might rely on a reference plane for placement. If y'all are linking an architectural model in to your MEP model and using a reference plane to host your lighting or plumbing fixtures, the management of your reference plane volition matter.
The manner a family is created will change the way it sits on a reference aeroplane. If you have ever looked at a lighting family, they are created upside downward compared to an object similar a sink and thus will sit differently on a reference plane.
The lighting family will sit down on a reference plan in the opposite management that a sink would, so when placing a reference airplane for your lighting, you must know which direction to draw your aeroplane to force your lights to sit properly.
Ultimately, each use for reference planes has some different rules to pay attention to. So long as you recollect the rules for the style you create most often, your piece of work should go smoothly.
Promise this cleared things up for some of you lot!
I hope this tutorial proves helpful to you as you utilise Revit to relieve yous time and non indistinguishable processes. Check out my tutorial on How to Display Geodetic Information Alongside Your Projection Summit.
Pop your questions in the comments below and I'll get back to you there, or give us a telephone call.
Source: https://www.redcage.ca/blog/directional-properties-reference-planes-revit/
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