Exhaust gases multi-band air quality sensor on arduino - part 1

For my graduation project I need to develop a model of exhaust gases distribution between city buildings. The model will made with help of PyQGIS and about this i will write later. For source data collecting i `m  going to use the self made multiband exhaust gas detector (air quality monitor) based on arduino-like board (dccduino -...

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Biodiversity conservation framework problems - abstract

The short review of three articles describes the main problems of biodiversity conserving. The “hotspot method” shows that this approach have more disadvantages than benefits. This method selects the limited spectrum of species only from terrestrial vertebrates and vascular plants of region that have endemic status and ignores all other...

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OpenLayers3 GeoJSON clustering - first steps troubleshooting guide, part 2

OL2 had the specific layer strategy that makes clusters from points. But OpenLayers3 haven't yet. OpenLayers 3 has own method to do that, but you need use the feature array with points stack as source. Everything is okay if we use stack of coordinates or array of independent points. The panic starts when you should to make clusters from...

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OpenLayers 3: onload, moveend events, kml, geojson layers - first steps troubleshooting guide, part 1

When I started my familiarity with OpenLayers 3, this map library has looked like a hell for me because... because before that I had used only Google Maps API for interactive maps coding. So, this is my first part of first step troubleshooting guide In this post i want to make a review of a few solutions for a first-step problems that i...

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