Gis cadastral map with multiple layers. cadastral layer, zoning, ortho images since of cyprus. export data to kml. get the latest cadastral data for parcelsThe definition of zenith should not involve the sun. the point on the celestial sphere vertically overhead of an observer on the earth is the zenith and the point on the opposite side of the celestial sphere, vertically below the observer, is the nadir. Abstract. scalable vector graphics (svg) is web graphics language. svg defines markup and apis for creating static or dynamic images, capable of interactivity . Here is the cm dem with cm orthomosaic from our april acquisition shown in cesium. if you dont have mouse with scroll wheel (for panning and tilting and zooming), you can use the icons in the upper right corner to fly yourself around.