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Plan section not cutting terrain

Zendrix
Advocate

Hi guys!

 

I'm a newbie, so I am probably missing something obvious:

 

I have a project where, in plan view, I'm not getting the terrain being sectioned, I just get the cover fill equal all over the project. How can I make it show the sectioned part of the terrain? Somewhere around the green mark, my pavement material should be changing to terrain, with a section line happening at that point. How can I represent that?

 

Cheers,

Z

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AC28 . LeNovo Y520 Intel Core i7-7700HQ @ 2.80GHz 8GB RAM. Windows 10 Home
10 REPLIES 10
Jeff Thompson
Enthusiast

Hey Z.  One thing might be that your layers for your pavement material might be turned off in your elevation view.  you might check that out.

 

I hate to assume this but I'm just going to ask... Is your pavement material an object or is it just a fill?  Make sure your pavement is a, slab, roof or morph that has depth to it, so it will show up in the elevation.  

 

The other question I have is, if you do have a slab, roof, or morph as your pavement, have you done a solid element operations to your pavement material?

 

There can also be a number of other things that are causing this to happen, but lets start with these suggestions first.

Project Manager
Rutledge Maul Architects, PS Inc., Seattle, WA
Windows 11 Pro, HP Pavilion Gaming Desktop 790, Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz 3.19 GHz, 32.0 GB RAM, 64-bit operating system.
Archicad 28 - Graphisoft Forward
Barry Kelly
Moderator

The elevation/section line needs to be where you want the terrain to be cut.

I am assuming your elevation/section line is much further away.

 

BarryKelly_0-1738284085748.png

 

 

Barry.

One of the forum moderators.
Versions 6.5 to 27
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Hi Barry!

I think you misunderstood my dilema: the elevation is pretty much ok (elevation marker is actually right bfore your blue line), in fact, its even showing the correct earth fill that should be happening in section. My struggle is with the plan, where at some point i should stop seeing the pavement and start seeing that earth fill in plan as well (because the ramp is coming up and should be sectioned by the plan cut), right where i drew a green line (i just used the elevation to show the height of the cutting plan with a red thick line). 

 

Cheers,

Z

AC28 . LeNovo Y520 Intel Core i7-7700HQ @ 2.80GHz 8GB RAM. Windows 10 Home

Hi Jeff!

I havents in fact made my runway as a paved object but as a mesh material and just changed the top surface material for "pavement" in order to show in my plans. Also i dont need it to be showing as a paved slab yet at this scale, so im confortable with the elevation/section. What i want is that my earth material (messh/terrrain) to be cut at the height of 1.20m, as every wall in my plan is being cut as well. But that transition from viewing my runway surface material (while the ramp is below the plan's height) to being sectioned (after the ramp climbs up beyond the height of the plan) is not showing/happening.

 

I hope i explained myself better with the picture.

Cheers,

Z


image.png
AC28 . LeNovo Y520 Intel Core i7-7700HQ @ 2.80GHz 8GB RAM. Windows 10 Home

Hi, Zendrix,

 

In plan views elements like Meshes are never seen cut, to see a real cut view you'll have to create a 3D Document from the plan view.

The 3D Document Options also let you set the the height of the cutting plane and other options.

 

New 3D Document.png

3D Document options.png

ArchiCad 3.43 to 28
MacOS Monterey
Florin Luca
Booster

Hi Z,

I was intrigued, as I don't usually do this with my plans, and yes, you're right it, cannot be done unless one uses a workaround.

Here is the screenshot of a workaround. I couldn't get the link to that thread, but you can search for "Mesh plan cut".

 

Runxel's solution from 2020 works well, so I cannot take the credit! Just use the fill you want to show on the plan cut for the Morph.

 

FlorinLuca_0-1738347133476.png

 


AC27 Solo US, latest build
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Zendrix
Advocate

Uau, ok! 

Thank you guys for the input! 

i will try both of your suggestions!

 

Cheers,

Z

AC28 . LeNovo Y520 Intel Core i7-7700HQ @ 2.80GHz 8GB RAM. Windows 10 Home

Z, I totally understand what you are dealing with now.  The mesh that you created is only 1.20m in depth...  But you are pulling the mesh's z-coordinates below the mesh's depth of 1.20m.  When you do that, the mesh's skirt surface and bottom surface disappear and only the top surface shows up.  Then it doesn't appear in the elevation cut and you're wondering what happened to the mesh material below the surface.  It's because you pulled the elevation points of the mesh below the depth of the mesh itself.  You can't do that.  You need to give the pavement mesh a deeper depth to have it appear.  That's why we use the Solid Element Operator to cut away the lower portion, or we use slabs or roofs, ect.  Hope this helps you out with understanding this a little more...

 

Let us know if you need more help.

Project Manager
Rutledge Maul Architects, PS Inc., Seattle, WA
Windows 11 Pro, HP Pavilion Gaming Desktop 790, Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz 3.19 GHz, 32.0 GB RAM, 64-bit operating system.
Archicad 28 - Graphisoft Forward

Hi Jeff!

i think you are still misunderstanding my issue :). My mesh is fine, as the elevation shows: perfect earth material showing all along the terrain, noproblem there,. The 1.20m is the height defined for the plan's height (cut plane), not the mesh itself!

 

i attach some examples on how the mesh is ok in pictures.

Cheers,

Z


image.png
AC28 . LeNovo Y520 Intel Core i7-7700HQ @ 2.80GHz 8GB RAM. Windows 10 Home