3-D Coordinate Geometry & Error Propagation
Based Upon the Global Spatial Data Model (GSDM)
Email to Global COGO click here or visit Global COGO web site.
The impact of AI on spatial data is critical and discriminating between Tru 3-D and Pseudo 3-D is important.
----- The global spatial data model (GSDM) in a nutshell. See also Innovator's Dilemma. posted November 27, 2023.
----- Report & comments on National Geospatial Advisory Committee (NGAC) meeting on October 12, 2023 Click here. posted November 27, 2023.
----- Conceptual Development of True 3-D vis-a-vis Pseudo 3-D Click here October 5, 2023. Or, just to see the 3-D Timeline Click here. April 21, 2023.
----- Updated Figure 6 from 1991 paper showing original usage of "True 3-D" and "Pseudo 3-D" Click here. June 26, 2023.
----- Artificial Intelligence (AI) is being used in ChatGPT, Bing, Bard, & others. Examples related to AI and 3-D using ChatGPT. March 2023 and November 2023.
----- Tru 3-D is compatible with CORS, HD Maps, and AI. See Carlsbad CORS. February 2023.
NIST!--- Proposal to NIST for standardization Memo actual proposal and justification Why GSDM? January 2023
----- Comparing Tru 3-D with Pseudo 3-D click here.
----- Looking at impact of gravity click here.
----- By comparison, the GSDM is "Simple." click here.
----- Summary of NSRS Modernization challenge AGU poster.
----- The Role of a Model is CRITICAL! click here.
----- A 3D perspective includes more than just spatial data and geometry.
----- Comments on NMGAC virtual meeting February 14, 2023 click here. and May 9 2023 click here.
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This web page first posted November 7, 2020 and last updated 12/03/2023.
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