NCSU GIS/MEA582:
Geospatial Modeling and Analysis

1. Geospatial Data Acquisition

• on-ground/in-situ, airborne, and satellite data acquisition
• coordinate reference systems
• getting started with open source GRASS GIS

Lecture

• Lecture slides: Geospatial Data Acquisition, use arrow keys to forward the slides
• Introduction to GRASS GIS: overview of the open source software principles and GRASS GIS used in the Assignments

• Coordinate referenced systems
  • Coordinate systems and EPSG codes,
  • North American Datums explained,
  • New NA datum in 2022
  • Map projections,
• Open source geospatial software
  • How Open Source Geospatial Development Works
  • Petras, V., Mitasova, H., and Petrasova, A. (2021). Open Source Software Development. The Geographic Information Science & Technology Body of Knowledge (2nd Quarter 2021 Edition), John P. Wilson (ed.). DOI: 10.22224/gistbok/2021.2.4
• Original lecture material: Lecture Slides and videos: Mapping and Georeferencing

Assignment: Explore the provided data set

Prepare a short paper describing general properties of the provided data set (coordinate system, resolutions, spatial extents, etc.). Document the properties with the output and images created following the assignment instructions and include answers to questions (highlighted in red).

• Approach (both are mandatory):
  • GRASS solution,
  • ArcGIS Pro solution
• See also Assignment paper instructions and Comments/answers to HW questions