cfastie 299 research notes and 550 wiki edits | Joined over 6 years ago | Admin

The ecology and history of forests and landscapes, and new ways to see these things. High-resolution stitched images of vegetation, including low elevation aerial photography and multispectral imaging. Design and distribution of 3D printed aerial photography rigs and microcontroller gadgets via the KAPtery. Tweeting these things.

My posts on these topics:


4 questions asked

1271 comments posted

75 activities posted

1 activities attempted





























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Comment Last activity Moderation
"Yes, any photo can be processed using the NDVI equation to get an NDVI image. My answer above explains why the resulting NDVI image might not be ve..." | Read more » over 1 year ago
"Another thing that makes tag pages sort of mysterious is that you can get to one by searching for "https://publiclab.org/tag/balloon-mapping", but ..." | Read more » almost 2 years ago
"Hi Tommy, I just learned last month that when you search for a tag that has been used at publiclab.org you can get two different results. If the t..." | Read more » almost 2 years ago
"Thanks Zengirl. I don't think you can buy a NASA Aeropod. You can license the technology from NASA and manufacture them, but I don't know if anyone..." | Read more » almost 2 years ago
"The new filter can be inside the camera or in front of the lens. If it is in front, it will get scratched and might be bent (not flat), but it is e..." | Read more » almost 2 years ago
"A goat is way better than brown M&Ms. But that is not exactly my motivation here because I'm sure everybody reads my research notes extremely ..." | Read more » almost 2 years ago
"I don't know how much LEDs vary in their NIR emission. But it's easy to add some NIR LEDs to the mix. There is an advantage to using only artificia..." | Read more » almost 2 years ago
"The NIR illumination is probably not needed because daylight is a very consistent source of lots of NIR (although using NIR illumination at night c..." | Read more » almost 2 years ago
"There are a couple of reasons that the photos from a modified NIR camera will not produce useful NDVI results unless some adjustments are made: N..." | Read more » almost 2 years ago
"That depends on where the article is published. Some publishers are stricter than others. It's usually okay to post the abstract of the article an..." | Read more » almost 2 years ago
"Hi Zengirl. We missed you bigly. Turns out Katie's a rock hound. Who knew? (no, Public Lab, this is not a question). She went all in on the geology..." | Read more » almost 2 years ago
"Nice rock photos. This is really a comment on the previous answer, but if you leave comments in the comment place then you can't drag images in. An..." | Read more » almost 2 years ago
"Yes, I found that simplified map which I thought would be appropriate, but then I noticed that the polygons were not located very accurately. So I ..." | Read more » almost 2 years ago
"The bedrock under LEAFFEST HQ is Cheshire quartzite, a half billion year old Cambrian metasedimentary rock. It is buried deeply at the house under ..." | Read more » almost 2 years ago
"It's a common artifact to get higher NDVI values from the darker areas of foliage in DIY infrared photos. The computation of NDVI depends not only ..." | Read more » almost 2 years ago
"I am intrigued to think about this topic in the context of earlier Public Lab discussions of expertise. Do you have to be an expert to be a leader?..." | Read more » almost 2 years ago
"That's really good that @rjstatic may be coming. And it's really good that registration is still open. Gotta know soon how many there will be. " | Read more » almost 2 years ago
"Every one of the Public Lab tools could be the focus of a great classroom project. There have been attempts to create a curriculum outline for spec..." | Read more » almost 2 years ago
"There are lots of good looking fungi in the woods these days. I think it will be a good annual foray. These from today: A puffball, maybe Lycoper..." | Read more » almost 2 years ago
"Session idea: Is a NASA AeroPod or a KAPtery SkyPod a more appropriate data logger for collecting data during kite flights? (2 hours) We might ha..." | Read more » almost 2 years ago
"Session idea: Is it a good idea to start a business designing, manufacturing, and selling environmental science tools? (30 minutes?) A few years a..." | Read more » almost 2 years ago
"Session idea: Why do people use Arduinos to make environmental data loggers? Are there alternatives? . I can lead this discussion (30 minutes?). D..." | Read more » almost 2 years ago
"Hi Juanjo, It would be good to see some photos from your archaeological missions, including more of the cool kite and how you attach the camera. A..." | Read more » almost 2 years ago
"The Melexis MLX90614 Non-Contact Sensor has a temperature range of -70°C to +380°C. This is an infrared sensor so it does not have to touch the thi..." | Read more » almost 2 years ago

cfastie was awarded the Basic Barnstar by warren for their work published in Superblue.


cfastie was awarded the Basic Barnstar by warren for their work published in Graze anatomy.


cfastie was awarded the Basic Barnstar by liz for their work published in Holiday Beverage Whodunit.


cfastie was awarded the Basic Barnstar by stevie for their work published in Nano particle monitoring.


cfastie was awarded the Basic Barnstar by Elidacanup for their work published in Broadening.


cfastie was awarded the Basic Barnstar by david-days for their work published in Compost is hot, says Riffle.


cfastie was awarded the Basic Barnstar by academicfora for their work published in A standalone aerial sensor pod.


cfastie was awarded the Empiricism Barnstar by warren for their work published in Grating angle.


cfastie was awarded the Empiricism Barnstar by xose for their work published in Real time and temperature.


cfastie was awarded the Photo Documentation Barnstar by warren for their work published in A DIY low power timer.


cfastie was awarded the Photo Documentation Barnstar by Hudonnoodles for their work published in Spherical KAP over Cocodrie.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in NE Organizers Summit.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in LEAFFEST 2014 accounting.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Public Lab Organizers Summit, 2014.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Putting sensor data to work.


cfastie was awarded the Photo Documentation Barnstar by todgobblins for their work published in Soaring Riffle.


cfastie was awarded the Video Documentation Barnstar by warren for their work published in SNOWFEST the Movie.


cfastie was awarded the Video Documentation Barnstar by mathew for their work published in Making the aluminum frame of an aerial camera rig (video).



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