Landform Update: New Topography Nodes

I am excited to announce that there are some new nodes in the latest Landform update. These nodes are written in C#, and if you are interested in taking a look at the source code, I also now have a repository for Landform on GitHub. Shout out to John, over at sixtysecondrevit and creator of Rhythm and Monocle, for getting me going on these.

Most of these new nodes are focused on editing Topography, which is something that I have always wanted to do in Dynamo.

Here are the six new Topo nodes:

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Modeling Walls with Floors

There are several downsides to modeling walls in a more complex landscape, including:

  • Sloped walls can only be created via profile editing, which is a fairly imprecise method
    • Landscape framework of design and layout tend to want to control where these happen in plan, so doing this in profile is often counter-intuitive
  • If you have sloped walls that also curve, profile editing isn’t even an option

A solution that I commonly use for both of these issues is to use Floors.

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Floor framework with voids

When working with shaped-edited Floors, it can be a bit cumbersome to work with complex shapes, since Revit will create a point at each vertex of the outline.

So for example, if you are making a sidewalk shaped like this, Revit forces a point at each vertex:

One way around this is to create a larger floor “framework” and then to cut out the shape you want using voids.

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