BASH script for adding directional / compass arrows to image

I got a request today to extract the compass bearing from a set of photos, and add a rotated north arrow to those images in visual form so end users can see if the picture was while the camera was pointed north, or east, or NNW, etc.. Below is a photo pointing mostly East. With BASH and a little Imagemagick, this was a pretty easy … Continue reading BASH script for adding directional / compass arrows to image

Screen capture of tangible landscape video.

North Carolina GIS Conference

NCGIS was an excellent conference, and this year was my first attending / presenting. Bravo to the organizers, who themed it Mobile and Global, but confessed that Mobile, Global, Open would have been more apropos. To catch screen captures and audio for the presentations, see this temporary location: http://geodata.lib.ncsu.edu/pub/2015NCGIS_Pres/ which is organized by room numbers, so check out the schedule: http://ncgisconference.com/#schedule . My favorite new … Continue reading North Carolina GIS Conference

And now for something completely different… (guitarmaking by a geo-geek)

Guitarmaking (a subset of lutherie) has been an alleged hobby of mine for quite a few years– from the moment I started my first guitar in 1996 or 1997. Over the years, I’ve continue to acquire tools and wood, and started a couple more guitars. I had lots of fire behind my workshop work 7 years ago. And then I got a new and wonderful … Continue reading And now for something completely different… (guitarmaking by a geo-geek)

Landscape Position using GDAL — PT 3

More landscape position pictures — just showing riparianess. See also https://smathermather.wordpress.com/2014/11/22/landscape-position-using-gdal/ and https://smathermather.wordpress.com/2014/11/24/landscape-position-using-gdal-pt-2/ Map tiles by Stamen Design, under CC BY 3.0. Data by OpenStreetMap, under ODbL Continue reading Landscape Position using GDAL — PT 3