Part of my current project involves using a multirotor UAV with a methane detection system to monitor for pipeline leaks in small high pressure distribution lines. I first started getting involved with UAV systems back in 2014 when DJI wasn’t nearly the household name it is now. The Phantom 3 had just come out and… Read more »
Well, I know I just posted up a bunch of information on how to set up QGIS 3 and PostgreSQL/PostGIS on Elementary OS Juno, but alas, that’s over. Elementary OS is by far the best looking Linux Distribution (Distro) that I’ve yet used, and I assumed that since it was basically a re-skinned Ubuntu 18.04… Read more »
Previous Post (Installing PostgresSQL and PostGIS) Introduction Now that we’ve installed PostgreSQL with PostGIS on Elementary OS or Ubuntu 18.04, we need to figure out how to start using it for our geospatial purposes. There are a few things we need to keep in mind regarding how databases work. Just because you have installed a… Read more »
Introduction Installing PostgresSQL and PostGIS in an Ubuntu based system is not hard, but true to the documentation trends common to most Linux systems it is not always clear to figure out for someone like me who has spent the majority of my working life in a Windows environment where documentation is not only clear… Read more »
With the increases in GPU prices (and in some cases complete lack of availability) AND the increase in cost of RAM I’ve been wondering what the best way to proceed is for people who want to increase their Photoscan workflow. Moving from a computer with DDR3 RAM to a new processor that requires the new… Read more »
My previous post showed the mathematics behind computationally calculating strike and dip from 3 points. Here I will outline how this may be accomplished in a Python script. This is written with Python3 in mind, but should work in Python2 as well. If you get lost with the math, check back to my post on… Read more »
Keep in mind, I’m not a mathematician by any stretch of the imagination. That said I had a tough time tracking down clear instructions on how to calculate strike and dip programmatically that wasn’t tied to a specific programming language. So here is a working breakdown of the theory. You can also check out my… Read more »
First, I have to do two things I hate. Let me start of by saying, sorry for the non-existent updates on this site. I’ve been busier than I ever thought was possible so I’ve not been able to keep updating this site like I had hoped. Also, if you find this helpful and decide you want… Read more »
SIFT SIFT (Scale Invariant Feature Transform) is one of the underlying concepts in Structure from Motion photogrammetry, which plays a large part in my Masters research. To better understand how the process works I am working through the process manually, calculating all of the intermediate steps along the way. The first (of 4) phases of… Read more »
It’s been a while since I’ve posted because…well…I was dumb. I ended up destroying my computer while I was moving it from my basement office to my new fancy office upstairs in my house. Turns out dropping a computer down a flight of stairs not only puts one heck of a dent in hardwood flooring… Read more »