• The Spilhaus map of the oceans will be supported in the next release of ArcGIS

    In the upcoming release of ArcGIS 10.8 and ArcGIS Pro 2.5, the Spilhaus World Ocean Map in a Square will be supported as aprojected coordinate system based on the Adams square II map projectio...
    BSavric-esristaff
    last modified by BSavric-esristaff
  • Map Projections in ArcGIS Story Map

    Here is a story map about map projections in ArcGIS: https://storymaps-nextgen.arcgis.com/beta/stories/ea0519db9c184d7e84387924c84b703f   It shows a gallery of 68 map projections supported by pro...
  • Two new map projections available in ArcGIS 10.7 and Pro 2.3

    The Equal Earth, an equal-area projection, and the Peirce quincuncial, a conformal projection, are now available in ArcGIS 10.7 and ArcGIS Pro 2.3.   The Equal Earth is an equal-area pseudocylindrical ...
    BSavric-esristaff
    last modified by BSavric-esristaff
  • Planetary Coordinate Systems: The Moon

    Planetary Coordinate Reference Systems There is an interesting but perhaps little-used folder of *.prj files called “Solar System”. As someone interested in geodesy and its application it is particula...
    spk578
    created by spk578
  • Distance on an ellipsoid: Vincenty's Formulae

    Vincenty's Formulae are two methods named after Thaddeus Vincenty a Polish-American geodesist who lived during the 20th Century. During his career, he devised his formulae as well as contributing to major project...
    spk578
    created by spk578
  • Distance on a sphere: The Haversine Formula

    I decided to look into some of the mathematics that makes it possible to calculate distances considering 3D space, for example, calculating distance on a sphere. You can find our more on geodesic distances from the pr...
    spk578
    created by spk578
  • Global Geodetic Reference Frame (GGRF)

    Introduction The Global Geodetic Reference Frame (GGRF) is the realisation of the Global Geodetic Reference System (GGRS). The GGRS comprises terrestrial and celestial components allowing users to precisely...
    spk578
    created by spk578
  • New map projections supported in ArcGIS 10.4

    ArcGIS 10.4 now supports eight small-scale map projections displayed in an animated gif: Compact Miller Patterson Natural Earth Natural Earth II Wagner IV Wagner V Wagner VII Eckert-Greifendorff   The Eckert-Gr...
    BSavric-esristaff
    last modified by BSavric-esristaff
  • The European Datum: A History (Part 3)

    The Central European Net (CEN ) The European datum began its life as the Central European First-Order Triangulation Adjustment (Hough, 1947) this project began in April 1945 after the U.S Third Army with the HOUGHTEAM...
    spk578
    created by spk578
  • The European Datum: A History (Part 2)

    Introduction In Part 1 of this series we saw the setting for the development of a proto European-wide datum by the Germans. This super-National Datum was originally driven from the need of political and military power...
    spk578
    created by spk578