A set of objects imported by applying its coordinate Z=0 leads to a “flat” map which allows us often to perform operations that are more “uncomfortable” when using 3D maps: 2D references, measurements of distances in the plane, etc.... more
When reading Shapefiles (SHP) which include terrain Contour lines, it is very common to find that the Z coordinate of each Contour is set as being a numerical data in a Field of the associated data table... more
Some2D Shapefiles (SHP) may include 3Dinformationinsideits associatedalphanumeric data table. For example, it is quitecommon to findthe values of the elevation and height ofthe polygon features inside some fields ofthe data table... more
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