Comparator

Historical cadastral mapping comparison by date

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Historical Catastro is the tool that allows you to compare cadastral mapping on different dates to visualize the modifications that occurred. Historical mapping is only available from the time you have cartography in digital format (not before 2002) to the current date.

For more information and downloads:
http://www.catastro.meh.es/

Spain's aerial photography comparator in different years

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With the photo comparison tool you can view two aerial images of the same specific geographic area at the same time. Flights are performed without a chronological or spatial order, so you can find places where there is no photographines in a particular year. WMS services offered by various state and regional institutions have been used to achieve the interactive map. Here are some examples where you can observe changes in localized spaces over time.