Creating tiered terracing in Landmark

[Dawn Purves]

Does anyone have any good ideas of how to create detailed tiered terracing in landmark, rather than smooth contours?

[bcd]

Place Landscape Walls to retain the tiers

[Tamsin Slatter]

Create Walls, and then create a Retaining Wall Site Modifier for each.

I think you guys still have my site modelling course notes from when your team did my course some years ago. Things have changed a little since then, but you should find some useful stuff in there about the different site modifiers you can use.

All the best

T

[Benson Shaw]

You may also be able to do this directly without using walls, by adding a contour at each terrace. Depends on your needs.

Vectorworks site models cannot make vertical or overhanging rises, but can make them ALMOST vertical.

If this is original conditions without walls, Edit the Site Model data to add a new contour: Select a contour at top of a terrace, offset the contour to the outside w/ Offset Tool by a minimal amount (1"? 1 cm") and lower its z value in OIP. Exit the Edit mode and update the model. This could also be done from bottom of a terrace - Offset the exist contour to inside and raise the new one.

In examples, Red contour (z=30') was offset by one inch and the copy was lowered to z=25' via the OIP. I also changed color to green.

If terracing is for the proposed model, create a new contour and adjust the Z value as above, but cut it from the Site Model data, exit the edit mode, and paste it in place it on the drawing. Then assign the new contour to the Site-DTM-Modifier class (don't change it to a site modifier, just assign the new 3d poly to the class). Update the site model in proposed mode. Read up on Auto Classing in VW Help. If not using the Auto Class feature, you will have to make the new class (use the dashes so it makes sub classes)

-B

[Bryan G.]

Yes, Benson's way will work well. I have done the same with a .25" offset and works well.

As a note Benson, thats quite a terrace, are you worried about erosion?JK

[Benson Shaw]

I'm more worried that I will fall off if I ever manage to climb up to the terrace level. Maybe that mound should just be scaled down and made into a hat, or turned upside down as a vase.

-B

[Monadnoc]

Very good idea/tip. Thanks.

Your terrace would fit right in in the Andes and the old Incan ruins.

[Monadnoc]

I'm not sure by reading the original question that the poster doesn't just want to display the DTM as stepped contours rather than a smooth slope. If that is the case, you only have to go into the Site Model Settings and choose 3D Extruded Contour under 3D Display Settings > Style (and make sure you assign it to the correct model you want, existing vs proposed). You will then have a look very similar to the old hand made site models made out of foam core, etc.