Now’s the Time to Do Site Analysis

There are many variables in the outdoor environment, especially when it comes to landscape design. Soil type, solar aspect, water requirements, slope, plant hardiness and more. But, thinking about 3D in particular and aspects like slope, solar aspects, solar analysis and viewshed analysis is critical from an aesthetic standpoint. At some point, if you just model the existing conditions, then you can plop yourself into any one particular location on the site and have a very realistic view of what’s actually there. In this article, I’ll share the top reasons why you need to incorporate 3D into your workflow. I’ll also share strategies for beginners through advanced designers for taking your 3D skills to the next level. 3 Reasons Why You Need 3D

If you’re hesitant about incorporating 3D into your workflows, first consider the financial implications of not analyzing the site properly. Analyzing a site just a little bit better can save a company a significant amount of money. The cost of the investment in 3D software and training can be recouped through increased sales and reduced callbacks because of more accurate documentation. With 3D analysis, you can determine if a proposed placement of plants, which require more shade, might fail because they’d be exposed to too much sun. Thankfully, you can forecast this by using a geopositioned light source which emulates the sun throughout the day. Additionally, it can predict the lack of shade in that area

where shade-loving plants were being specified informing the designer to either add more shading elements such as trees, canopy, pergola, or revise the planting to be more sun-loving plants.

Additionally, 3D for site analysis shifts your perception of time. Laying out a 2D plan is faster, but you still have to make multiple models of your design to get the viewpoints—which is time-consuming. It takes about the same amount of time to enter 3D data as it does 2D data but modeling custom objects will take longer on the front end. Instead of thinking how long a model takes to build, realize that you’ll produce your documentation in a fraction of the time. For the final project, designers can use the same 3D model used for analysis in the presentation and sales process. Another benefit comes at the end of the project with easier and more accurate document output.

For all designers, once you start using 3D for your projects, you’ll be able to easily collaborate with other design professionals. You can ask architects for building models they have in progress or already completed for the project, and you can request that surveyors provide files with 3D terrain data. 3D Tool of Choice for Better Modeling

To have a successful 3D workflow, you need to have a supportive, versatile software. For me, it’s Vectorworks Landmark. My practice focuses on horticulturally intensive design and construction detailing sympathetic to the architecture and site. It can be difficult for clients to visualize how plants will look or integrate with the buildings on the site.

Vectorworks enables previsualization of both the planted and constructed aspects of the landscape, as well as reporting and construction documentation.

Further, Landmark allows designers to build an entire landscape if they chose to with just a few tools, but here are some of the key tools I find most important: • Site Model: Without a site model, you’re not building on anything. • Heliodon: Offers ability for sun and shadow analysis. • Plant tool: Defines and places plant objects. • Landscape Area: This is the coolest tool yet. You can do various plant combinations and percent of coverage. • Hardscape: Align and conform hardscape objects into 3D polygons, grade objects, roadways or other hardscapes. I previously used SketchUp, and as a 3D modeling tool it is more than capable, especially for buildings and the built landscape. The challenge came in site modeling and native support for landscape design. For me personally, I needed more support in designing landscapes. Vectorworks’ tools for managing, visualizing and documenting plant data is robust and highly integrated with the software. Likewise, the ability to create and modify site models quickly and accurately from a wide range of source data is a point of excellence in Vectorworks.

Another great aspect of Vectorworks is interoperability. A number of architects I work with do their 2D work in AutoCAD and 3D work in SketchUp. When they send me their SKP files, I can simply take the model of the house and import it into my model of the site, and that’s extremely nice. It saves me from having to model the building again. Build-it-first Strategy for 3D Workflow

My advice and strategies for those who are apprehensive of using 3D for landscape analysis is simple. For beginners, stop thinking in terms of drawing lines and shapes to represent landscape objects and start thinking in terms of building

By Danilo Maffei, FAPLD, PCH

the landscape object in the virtual space. Get everything out of your head, build it first and then it’s there.

For more advanced designers, build your own object and data library for your 3D workflow. When creating an object for the first time — such as a plant, a light fixture, a pavement or a wall style — do it in a library file and then import it to your client’s file. The next time you need that object you can get it from the library rather than trying to remember which client you built it for in the first place. Also, automate documentation workflows with tags and worksheets. I use worksheets to achieve these insights: • Real-time cost estimating • Impervious coverage • Site disturbance • Materials schedules • Maintenance manuals The time is now to further your 3D workflow capabilities and see how beneficial it is for your projects. I always do planting designs, and it’s difficult for me to visualize my work without 3D, even if it’s just a simple solar analysis modeling. It’s a no-brainer for me and can be for you too.

For more advice and better workflow suggestions, I can be reached at maffei.danilo@gmail.com. I’ll also be speaking at the 2020 Vectorworks Design Summit in San Diego, California, which takes place April 22 – 24, 2020. Hope to see you there!

Danilo Maffei, FAPLD, PCH works with residential, corporate, public and hospitality clients who share a common vision that the outdoors deserve as much consideration as the indoors. Projects range from compact to expansive in area. With a background in public horticulture, landscape contracting, education and civic leadership, he brings to each project a positive and practical perspective on the way gardens enrich our experience and engagement with people and places. When not at the drawing board, you might find him walking his dogs through the neighborhoods of Kennett Square, leading the board of directors of the Association of Professional Landscape Designers or teaching landscape design at Longwood Gardens.

*All images courtesy of Maffei Landscape Design, LLC.

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