3-D Coordinate Geometry & Error Propagation
Based Upon the Global Spatial Data Model (GSDM)
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Discriminating between Tru 3-D and Pseudo 3-D is important. (Items of possible interest include.)
----- Updated Figure 6 from 1991 paper showing original usage of "True 3-D" and "Pseudo 3-D" Click here. June 26, 2023
----- Timeline Showing Development of True 3-D Concepts with the GSDM Click here. April 21, 2023
----- Artificial Intelligence (AI) is being used in ChatGPT, Bing, Bard, & others. Examples related to AI and 3-D using ChatGPT. March 2023
----- Tru 3-D is compatible with CORS, HD Maps, and AI. See Carlsbad CORS. February 2023
----- 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 06/26/2023.
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