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From a post by Stephen Blacklock:
In early 2013 we started work on a live full-site BIM project ...

Agreeing the deliverables at the outset (and being totally truthful about what we could actually deliver) was key...

Complex areas of level changes were resolved very early in the design process, when I know these could have been problem areas on site. 

Our planting plans were also delivered in a BIM compatible environment linking the planting plans into the 3D project model and providing visual understanding of massing. 

All hardscape materials in the model included construction build ups and specification details integrated to the model as does all site furniture, fencing and walls. 

Sections and schedules are generated directly from the model reducing the risk of errors and ensuring all project information is aligned.

Read more:
BIM and Landscape Architecture | Knowledge

Andy's very comprehensive version (from Grevity):
Download the family from hereTREE FAMILY (many types)

Or a project file with a fuller explanation from hereTREES COLLECTION

Read more:
http://www.grevity.blogspot.com.au/2013/11/tree-family-download.html

It would be interesting to combine this family with Randomizer and see what kind of forests you could create...

Along similar lines:

RevitCat: Revit Scaleable Spline Tree Family - http://t.co/K5dkONqzJn #Revit #BIM
— Revit Help (@RevitHelp) August 10, 2013

If you didn't like my Random Trees in Revit post (which actually exposes the opportunity for randomizing and scaling any form or import in Revit), then maybe you will enjoy some of these other random landscape generation methods.  Read on below:

Landscaping from Dynamo (Julien Benoit):
Revit landscape: My first function in Dynamo 0.5 - Autodesk Vasari
via
Twitter / Jbenoit44: @BenPMalone @GeorgeMokhtar ...



Paid plugin for 3dsMax:
TREE STORM - plugin for 3ds Max - animates tree on the wind
via
Twitter / GeorgeMokhtar: @BenPMalone @Jbenoit44 ...

After spending some time trying to make a workable, geometrically driven random reactor, I decided that it was far easier to use dp Stuff Randomizer (get 2014 version for free from here or older 2013 one on Exchange here).  This is a great little addin that just drives random instance number parameters into family instances.  You pick the parameter to drive, give it a max and min "bracket", click Add and then Randomize.

I set up an Adaptive tree family that used the scaling method, linked through some parameters, Repeated it on a Divided Surface, and then used Randomizer - this random forest is so easy :-)  With the scaling method working, we can even just drop some imported Sketchup trees into the most deeply nested family (the one that gets scaled), reload it through the hosts back to the project, and even these imported CAD files will scale correctly.

This is the simple tree randomizer (height only):

Next, I added an X and Y offset so I could randomize the position from the grid slightly, resulting in this...

Tree randomizer with move parameter:

Here are the sample files for download.  Enjoy!

(this is the Sketchup tree that I used for the example above)

After reviewing Andy's and Tim's recent posts surrounding trees and reaction, I would like to contribute this little idea.

Its a very simple setup - just a 2pt Adaptive with an "extension" (created by controlling the host reference planes of a couple of points), that has been loaded in and repeated across a treetop form.  As you move the centre adaptive point up and down, the surrounding spines react to maintain a perpendicular relationship to the main form.

I have added parameters for the extension length, and top and base radius of the spines.  You can adjust these in the Project Browser by modifying the Type Properties of the 2pt family.



Here's the family for download.

Wow - a free course for Landscape Architects who want to use Revit!

It includes:

• session recordings of 5 lectures
• handouts (pdfs and rvt / rfa / pdf / dwg files) from each session

Check them out and download at:
LADcourses: LAD202 - BIM for landscape architecture using Revit



The official course name is LAD202 – 3D Computer Modelling for Landscape Architecture - spring 2013 – part#2 using Revit Architecture

Heads-up:
Revit Landscape - Urban Design by Åge Langedrag

Doing an interesting roundtrip today:

1. Export Revit floor plan to DWG - basic walls / doors / floors only
2. Add floor finishes / landscape / people / vehicles in Impression
3. Save PDF, open in Photoshop
4. Add extra Entourage (furniture etc) and text in Photoshop
5. Save for Web and re-import into Revit.  Scale to match floor plan from step 1.

It may sound like a pain, but its working quite nicely...