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Material takeoff gives wrong values for generic model

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Nachricht 1 von 12
erdem_adali
1330 Aufrufe, 11 Antworten

Material takeoff gives wrong values for generic model

I create two component (model in place or family, doesn't matter). 100x100cm cubes, one as generic model and second as wall. And paint one of their faces. 

Material takeoff for wall shows 1 m2 paint. No problem, 100x100cm face is equal to 1 m2.

But material takeoff for generic model shows 6 m2 paint in my computer, 2 m2 in my colleagues computer!

Our company produce facade claddings. we use paint tool to calculate the  certain surfaces areas of our products.

Does anyone has an answer? What is the cause or solution?

 

11 ANTWORTEN 11
Nachricht 2 von 12
barthbradley
als Antwort auf: erdem_adali

That's just the way Revit calculates. Paint is a good way to go.  

Nachricht 3 von 12
barthbradley
als Antwort auf: erdem_adali

Nachricht 4 von 12
erdem_adali
als Antwort auf: barthbradley

Thank you for your respond.
What do you mean with "That's just the way Revit calculates."?  Does Revit gives random values for paint on generic model? Is there no solution?

We are a facade firm. Architects mostly model their facade with generic model element. We calculate our quantity over their models. Thats why i can't say "oh ok, i will make my models with wall element now on".

Nachricht 5 von 12
barthbradley
als Antwort auf: erdem_adali

I think you misunderstood me - or I misunderstood you.  

 

I merely confirmed that Paint was a good and widely used approach.  Other than that, you should expect - and get -close to dead on ballz accurate MTOs from Revit.  

 

Are you aware that you can also Paint Surfaces in a Family with a Paint Parameter? 

 

https://www.youtube.com/watch?v=3J5fYF2eaks

Nachricht 6 von 12
erdem_adali
als Antwort auf: erdem_adali

Answer for my own question ; Even if you only paint only one face of a generic model, materiall take off gives all area of all faces. 

For example: i create a 1x1m cube. Paint only one face. But material takeoff gives 6m2 quantity, all surface of the cube.

But if i paint another surface with a different material materiall takeoff gives true values. 1m2 quantity for both material.

 

Nachricht 7 von 12
barthbradley
als Antwort auf: erdem_adali

I don't understand your solution, but it sounds like you are using Paint as per my suggestions above.  However, your conclusions sound flawed:  "Even if you only paint only one face of a generic model, materiall take off gives all area of all faces."  

 

Cube 317.png 

Nachricht 8 von 12
erdem_adali
als Antwort auf: erdem_adali

You have paint all the faces of the cube. thats why revit gave you the correct values. Try to paint only one face, it will say 6 SF again. Paint two face with same color, still 6 SF.
But if you paint one face blue and other face red its gonna say 1 SF blue and 1 SF red.

Nachricht 9 von 12
barthbradley
als Antwort auf: erdem_adali


@erdem_adali wrote:

You have paint all the faces of the cube. thats why revit gave you the correct values. Try to paint only one face, it will say 6 SF again. Paint two face with same color, still 6 SF.
But if you paint one face blue and other face red its gonna say 1 SF blue and 1 SF red.


 

I still don't understand your conclusions, but only 2 faces of the cube in my previous screenshot have a Paint Parameter applied to them.  The cube geometry's Material is "Blue". 

 

Maybe these 2 screenshots will help clear up the confusion.  In the first screenshot, there are 2 cube families; one with 1 side painted and the other with 2 sides painted. Both cube geometry's Material is the one named "Default".  

 

Cube 317A.png

 

In this screenshot, no faces have a Paint Parameter applied to them: 

 

Cube 317C.png

 

 

 

 

Nachricht 10 von 12
barthbradley
als Antwort auf: erdem_adali

You know, I'm starting to think that your issue "Material takeoff gives wrong values for generic model" is due to the way you constructed your schedule - not the way you constructed your family.  What do you think? 

Nachricht 11 von 12
erdem_adali
als Antwort auf: barthbradley

Aha! We were not choosing any material for generic model. We have only created the model and paint one face.

You selected "default" for the generic models material, so it says 1sf red and 5sf default. We didn't think it was necessary.

Okay, it's easier to choose a material than to paint it another color. Thank you.

Nachricht 12 von 12
barthbradley
als Antwort auf: erdem_adali


@erdem_adali wrote:

Aha! We were not choosing any material for generic model. We have only created the model and paint one face.

You selected "default" for the generic models material, so it says 1sf red and 5sf default. We didn't think it was necessary.

Okay, it's easier to choose a material than to paint it another color. Thank you.


 

 

Huh?  What does all this mean and why do you keep marking your own posts as the "Accepted Solution"?  Please provide a lucid solution.     

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