Do you also sometimes get maps which contain zero (0) rather than NULL (no data) in some parts of the map? This can be easily solved with “floodfilling”, even in a GIS. My original map looks like this (here, Trentino elevation model): Now what? In a paint software we would simply use bucket fill but […]
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Last year (2013) I “enjoyed” a brain CT scan in order to identify a post-surgery issue – luckily nothing found. Being in Italy, like all patients I received a CD-ROM with the scan data on it: so, something to play with! In this article I’ll show how to easily turn 2D scan data into a […]
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