CONTOUR LABELS on site model not correct?

[bc]

How can I get my contour labels on my Site Model to read correctly?

The 70'-0" contour should read 1,420 ft.

The 70 ft label is as if it were referencing the bottom most contour data.

I should add that the 70 ft contour does reside @ 1,420 ft elevation.

Thanks

 

 

Edited November 18, 2019 by bc

[line-weight]

How are the contours created? I've sometimes got very confused when what I assumed was a 3d polygon all on one plane turns out to have one vertex that is 1000 units higher or lower than the other, could something like that be going on?

[bc]

All the contours were generated with stake objects set to the elevations as provided by surveyor.

[Boh]

I'm not a site modelling expert but I am wondering if your whole DTM object been moved on the z direction or on a design layer with a different elevation to the one it was originally created on?

[bc]

It was originally created @ 0'-0" on it's design layer.

It has been moved in the z direction by virtue of moving the design layer it resides on.

 

[Boh]

I generally have my DTM's on a separate dedicated design layer with DL elevation set to 0 and all other DL set at their actual RL's. That way the labels are always correct.

 

So is your DTM at the correct height but displaying incorrect heights on the labels? Perhaps place a stake object on your dtm and double check if your dtm is actually at the height the labels say it is.

 

On one of my projects, to have the labels show the correct heights I need to have the "Geometry Lowest Z" setting in the OIP at 0. Changing this setting moves the whole DTM up or down. There is also a Minimum Elevation setting in the Settings dialogue but changing this just trims the underside of the model to that elevation.

 

Happy to have a look at your file if you want to post it.

 

[bc]

I think you've nailed it down for me Boh.

I created the DTM @  0'=0" and it only has 80' of elevation changes.

I then moved it up 1,300 ft with the move command.  Still reads original contour markers.

So I guess I should move the dtm back down to 0 by moving the DL,  enter the edit site data and move all the data points up to where they should be?

I like the fact that I can trim the bottom off so I won't be left with a towering DTM.

Or should I just start over and create the DTM anew?

Thanks for your help!

Edited November 19, 2019 by bc

[line-weight]

20 minutes ago, bc said:

So I guess I should move the dtm back down to 0 by moving the DL,  enter the edit site data and move all the data points up to where they should be?

 

 

That's what I'd do

[Boh]

1 hour ago, bc said:

then moved it up 1,300 ft with the move command.  Still reads original contour markers.

I think the labels would change if you hit the update button on the OIP.

[bc]

That's what I thought.

They don't change.

[Boh]

Hmm. They should change. Can you post your file?

[line-weight]

I just tried it on a DTM in one of my drawings. Moved it up by 100m. The contour line labels did change - after updating the DTM.

 

(I'm on VW2018)

 

I'm a bit confused though, did you move your DTM up by 1300ft, or did you move the elevation of the design layer it's on?

[bc]

Thanks everyone, I fixed it.

I moved my Design Layer back down to 0 and then moved the DTM up 1300 ft. Then updated.

Now the contour labels are correct.

I appreciate all the help.

Bradley