Missing Poster dedicated site

We received some feedback about the Missing Poster tool, and decided that it deserved its own support and documentation site. We launched it today. The site will function as support, documentation and information on the project and how you can contribute.

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Magnetic Declination in C#

The short story is that I don’t have enough scientific knowledge to know how to calculate magnetic declination, but enough to know that it can be done, using just a position on the surface of the earth and some information about the earth’s magnetic field. This is such an important topic that I was pretty […]

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Announcing SharpGpx

One of the major features of TrueNorth is data interoperability, and one of the most common file formats for exchanging GPS data is GPX. GPX is supported by many smart phones, GPS devices, and hundreds of software packages. So, one of the earliest features added to TrueNorth was GPX support. GPX is an XML File […]

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QuadTree

Introduction A QuadTree is a spatial partitioning strategy used to make queries on relationships between 2D spatial data such as coordinates in a Geographic Information System (GIS), or the location of objects in a video game. For instance, you may need to know all the objects within a region on a map, test whether objects are visible by […]

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