Voyansi Voices Blog

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Laser Scanning

Have you considered just scanning it?

I saw a post on a forum the other day of an architect who sent a marked-up drawing as part of a CAD to BIM project. It was a relatively small structure that was being modeled. Maybe 1500 square feet. This got me thinking, why did they not just bother to go out and scan the structure? Laser scanning 10 years ago may have seemed exotic. Today it’s commonplace enough that I have a small lidar scanner in my phone. I use it to measure things in my house or create simple 3d models. 

This got me thinking… maybe the architect in question was simply unfamiliar with this technology, so I decided to write this post explaining the concept for those new to this way of working. Before you jump in, it’s essential to understand two key concepts: Point Clouds and Survey Points are central to working with BIM. If you are just getting familiar with Scanning technology this is an essential concept to understand. 

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Does it match?

Today is the first day in over a year that I will be working from somewhere other than my office. It's Monday, which means of course things are slower than normal and the urgency of a Tuesday or Wednesday has not arrived yet. Complicating matters is the fact that I haven’t had to fully dress myself in over a year. 

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1943 Ford GPW

Reality Capture in your pocket?

In 1991, this advertisement appeared in print newspapers across the United States. This commercial for Radio Shack which ran in syndicated newspapers illustrates a variety of consumer electronic devices, headlined by a personal desktop computer for $1599 USD (approximately $3000 in 2020). Beyond the eye watering price of the PC, one interesting thing to note is that every single one of the devices featured in this ad has functionally been replaced by almost any smartphone available today.

This had us wondering: how far away are we from true Reality Capture in your pocket? To answer the question, we created a very basic test: Could our non-technical team achieve good results with off the shelf tools anyone could use?  

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Barrio 31: A Measurement Case Study

Recap: This post is our 3rd installation of our series of blog posts covering the Barrio 31 Project. Villa 31, one of the largest poverty stricken neighborhoods in Argentina is undergoing a massive renewal into an official city neighborhood: "Barrio 31". Key project challenges include a lack of as-built documentation; the scope and size of measurements needed; short project timeline; and need for quality and consistency of data during hand-off.

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