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A strange question for elevation at top & bottom

32 ANTWORTEN 32
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Nachricht 1 von 33
wang_yilin
3573 Aufrufe, 32 Antworten

A strange question for elevation at top & bottom

Recently, we find a strange~

 

usually we create a new revit model and model a slab on Level 1;

 

for that slab, it has two parameters named " elevtation at top" " elevation at bottom ", shows in the pic. below~

 

1.jpg

 

However!! in one model which we get from another company, it changed, and we don't know the reason..

 

2.jpg

 

how does the 2nd situation  happen??

32 ANTWORTEN 32
Nachricht 2 von 33
ennujozlagam
als Antwort auf: wang_yilin

@wang_yilinhello, check the level between the two they are totally different. thanks

 

s.JPG





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Nachricht 3 von 33
ToanDN
als Antwort auf: wang_yilin

What is the elevation of FFE level?
Nachricht 4 von 33
wang_yilin
als Antwort auf: ennujozlagam

I know they r different

 

because they r not the same model~

 

first snap shows the general situation in Revit

 

Second snap shows a different situation whose model created by another company~

Nachricht 5 von 33
wang_yilin
als Antwort auf: ToanDN

forget about that, because they r not the same model~

 

I just wanna know why would the second situation happen, because it is created by another company, and now I could not ask them for answer~

Nachricht 6 von 33
ToanDN
als Antwort auf: wang_yilin

Forget about what? I am asking you a question in order to understand the issue.
Nachricht 7 von 33
ennujozlagam
als Antwort auf: wang_yilin

it could be your project base point elevation. thanks





Remember : without the difficult times in your LIFE, you wouldn't be who you are today. Be grateful for the good and the bad. ANGER doesn't solve anything. It builds nothing, but it can destroy everything...
Please mark this response as "Accept as Solution" if it answers your question. Kudos gladly accepted.
Nachricht 8 von 33
wang_yilin
als Antwort auf: ennujozlagam

yeah, i agree;

 

but in which condition may cause this problem~ i don't now, and I wanna know how to modify that correctly

Nachricht 9 von 33
wang_yilin
als Antwort auf: ToanDN

sorry

 

what I mean is the two snaps upside are two different model~

 

the second model is wrong~ and I don't know the reason why could that happen....

Nachricht 10 von 33
ToanDN
als Antwort auf: wang_yilin

Then what is the elevation of the FFE level?  Go to an elevation and post a screenshot.

Nachricht 11 von 33
wang_yilin
als Antwort auf: ToanDN

u could just consider that FFE. Level as Level 1

Nachricht 12 von 33
ToanDN
als Antwort auf: wang_yilin

I sure would if you posted a screenshot of an elevation showing the level.  Is it that difficult to do?

Nachricht 13 von 33
ennujozlagam
als Antwort auf: wang_yilin

Check between two files, go to levle1 or site plan > go to VG > model categories > site > tick project base point and compare elevation betwen the two files. thanks

 

12.JPG





Remember : without the difficult times in your LIFE, you wouldn't be who you are today. Be grateful for the good and the bad. ANGER doesn't solve anything. It builds nothing, but it can destroy everything...
Please mark this response as "Accept as Solution" if it answers your question. Kudos gladly accepted.
Nachricht 14 von 33
wang_yilin
als Antwort auf: ToanDN

Sir, Elevation View like this, the snaps upsides create in 3D VIEW~

 

3.jpg

Nachricht 15 von 33
wang_yilin
als Antwort auf: ennujozlagam

I have already check the Project base point~ but what makes me feel confused is why it would affect the parameter " elevation at top", I don't know the reason~

Nachricht 16 von 33
ToanDN
als Antwort auf: wang_yilin

Thank you!  Can you share the file?

Nachricht 17 von 33
wang_yilin
als Antwort auf: ToanDN

thank u~ but I could not have a proper way to share my model~

Nachricht 18 von 33
chrisplyler
als Antwort auf: wang_yilin

Because a Slab's Elevation at Top value is based on the Project Base Point.

 

So your F.F.E level is 149mm above the Project Base Point.

 

Level type is probably set to be relative to Survey Point so that's why it reads 0 instead.

Nachricht 19 von 33
Alfredo_Medina
als Antwort auf: wang_yilin

Hello, @wang_yilin , welcome to the forum. 

 

The spot elevation tool has a parameter called "Elevation origin". This can be set to read the elevation from the Project Base Point or from the Survey Point, depending on the preference of the office or project managers.

 

So, you can have 2 types of Spot Elevations, pointing at the same slab, and both of them can show different elevations.  This is normal, it's not an error.

 

 

Suppose I have 2 slabs in the same project, where the project base point has an elevation of 149. Then I tag one slab with the Spot Elevation (Project) type and the other slab with the Spot Elevaton (Survey) type. The results will be as shown in these images. This is the elevation or section view:

 

2018-01-29_9-43-47.jpg

 

 

And this is the plan view:

 

2018-01-29_9-32-34.jpg


Alfredo Medina _________________________________________________________________ ______
Licensed Architect (Florida) | Freelance Instructor | Profile on Linkedin
Nachricht 20 von 33
wang_yilin
als Antwort auf: chrisplyler

sir, u could see the elevation snap, it shows the F.F.E Level shows 0, not 149

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