Category Archives: Lidar/Imaging

Pix4D Mapper

Imagine walking up to an object with practically any camera and taking photos of it at different angles. Now imagine uploading those images onto a computer and being able to create a survey-accurate point cloud. Sounds impossible, huh? Too good to be true? That’s what I thought when I first heard of Pix4D. When I...

What is xyHt?

Stand in the place where you live Now face North Think about direction Wonder why you haven’t before “Stand” – R.E.M. Why an obscure geodetic expression? It’s not all that obscure—it represents a foundational element requisite to nearly all human endeavor. It touches your life explicitly and in the abstract. All of the ways that...

Greg Dykstra from Pixar Animation Studios

Having worked in the geospatial sector for some time, I think the challenges we face are not about “Crossing the Chasm” (a book on the specifics of marketing high-tech products during an early start up period). In my opinion, it is a question of knowing where to bridge the gaps, to recognize and nurture points...

Reality Show Material

So when are they going to do a reality show about us scanner jockeys? The ship owner (I’ll call him Bill) flew me up to Alaska specifically for this project and told me not to worry about anything, that he would arrange for my food and boarding. Usually that means I’m put in a nice...

Chillon Castle: A Pix4D Sample Project

Above picture: Point cloud of full model of castle, shown from the top I wrote a review of Pix4D’s Mapper software in the November print issue of xyHt; check it out. Here’s Pix4D’s sample project to showcase the power of their software. They chose to create a model of Switzerland’s most visited site: the Chillon...

From Shore to Floor

Today’s technology records depth from land to deep waters accurately and efficiently. More than 90% of the world’s trade is carried by sea, according to the International Maritime Organization. Therefore, accurate and up-to-date charts of coastal waters for ship navigation are vital for world commerce. The current expansion of the Panama Canal, which will double...