July 2017

planet earth observation open california

Open California data & sensor comparison

29th July 201730th July 2017
blog

I wrote recently about clipping data and shared an example in Beverly Hills. I wanted to use this data to explore and compare all the data sets available on Planet Explorer, but focusing on the terrific Open California data. I’ve been meaning for sometime to write a comparison between different sensors. My feeling is that… Read More »

Using OpenStreetMap to clip satellite data

23rd July 2017
blog

Often when processing satellite imagery clipping the data to an AOI makes sense. If you just want to build up a map of one area or use it for statistics then clipping is a standard part of a GIS process. Finding reliable data to clip to, or search with, is harder than it should be.… Read More »

Raspberry Pi Zero processing images

15th July 2017
blog

The Raspberry Pi Zero is great… you can run a GIS on it! I wrote about setting it up via usb on my laptop six months ago. You can revisit it if you like 🙂 http://www.acgeospatial.co.uk/blog/qgis-and-raspberry-pi-zero/ You can also run GDAL, OpenCV & scikit-learn. Let’s take a look at some examples. First off I ran… Read More »

What’s in orbit today – Visualised

9th July 2017
blog

There are plenty of stunning visualisations of objects in space at present. Starting with this one, updated in 2014 https://qz.com/296941/interactive-graphic-every-active-satellite-orbiting-earth/ Then there is this one – which was displayed at Brighton Data Visualisation recently http://visualeyed.com/cover-story/satellites/ And this one from stuff in space and an ESRI map Plenty has been written about the number of satellites… Read More »

Earth Observation Q2 review

2nd July 20177th July 2017
blog

Another quarter has flown by so following on from my Q1 review 2017, it’s time to take a look at the main events of Q2. If you missed my Q1 review it is available below. http://www.acgeospatial.co.uk/blog/earth-observation-q1-2017/ Q2 2017 So, here are some of the things you may or may not have missed between Apr… Read More »