Land use agency decided to use drone-captured images to update their existing cadastral maps, because it is a cheap, precise and real-time data capture method. The map update was necessary for the agency to accurately define lot boundaries and manage land resources effectively. The agency, however, did not have the geo-expertise to process captured images or build topographical plans based on the derived data. They needed a partner who would be able to analyze the UAV images, organize and process data, and map the results. The task was further complicated by the fact that the data was captured by different types and models of UAVs and cameras, creating a myriad of data formats. The data captured was also frequently in violation of traditional survey techniques, requiring special attention.

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Commercial vs. Open Source: A comparison of GIS Software

We are conditioned to think that high price equals high value. Because of this, we always assume that something we’ve paid for is better than something free. But is that true in every case?