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The formulas for the spherical orthographic projection are derived using trigonometry.They are written in terms of longitude (λ) and latitude (φ) on the sphere.Define the radius of the sphere R and the center point (and origin) of the projection (λ 0, φ 0).
Orthophotomap of Rockport, Texas.The orthophotomap contains additional roads, terrain elevation and bathymetry layers. Orthophotomap of Oviedo city center, Spain.. An orthophotomosaic is a raster image mosaic made by merging or stitching orthophotos.
William H. Harris, is an American orthopaedic surgeon, Founder and Director Emeritus of the Massachusetts General Hospital Harris Orthopaedics Laboratory, [1] and creator of the Advances in Arthroplasty course held annually since 1970.
Pictometry is a patented aerial survey technique for producing oblique georeferenced imagery showing the fronts and sides of buildings and locations on the ground. Photos are captured by low-flying airplanes, depicting up to 12 perspectives (shot from a 40-degree angle) as well as an orthogonal (overhead) view of every location flown.
With the wide availability of ortho-rectified imagery (from satellites, aircraft, Helikites and UAVs), heads-up digitizing is becoming the main avenue through which geographic data is extracted. Heads-up digitizing involves the tracing of geographic data directly on top of the aerial imagery instead of by the traditional method of tracing the ...
Computer-assisted orthopedic surgery or computer-assisted orthopaedic surgery (sometimes abbreviated as CAOS [1]) is a discipline where computer technology is applied pre-, intra- and/or post-operatively to improve the outcome of orthopedic surgical procedures.
{{Information |Description={{en|1=Map of cities and towns in Massachusetts}} |Source=Own work by uploader, using Quantum GIS and Inkscape based on public data from Office of Geographic and Environmental Information (MassGIS), Commonwealth of Massachusetts
Triangulated irregular network TIN overlaid with contour lines. In computer graphics, a triangulated irregular network (TIN) [1] is a representation of a continuous surface consisting entirely of triangular facets (a triangle mesh), used mainly as Discrete Global Grid in primary elevation modeling.