Section: Spatial reference systems | Digital Earth Basics

Section: Spatial reference systems | Digital Earth Basics | Z_GIS

Main course page

General
- Introduction Forum
- Development feedback Forum
  
  Please post all suggestions and corrections for this module. Refer to specific sections whenever your posting applies to content of a specific section.
- Learning Objectives (module level)
  
  explain and communicate the advantages of an explicit geospatial approach to monitoring, understanding and managing real world issues across domains
  
  apply knowledge about Earth's dimensions, shape models and global measurements to practical questions
  
  understand and select appropriate spatial reference systems according to scale, context and application
  
  design the collection and selection of geospatial data in support of specific use cases and workflows
  
  communicate geospatial data through shared visual interfaces using web technologies

Spatial reference systems

Spatial reference systems
- Learning objectives:
  
  understand the need for planar projection of global surfaces
  
  have an overview of main types of map projections
  
  develop a detailed understanding of the UTM system
  
  work with projected coordinate system values
  
  select generic map projections depending on scale and purpose
- Section overview:
- Why 'project' - compare spherical vs cartesian-flat views URL
- Esri Academy: Basics of Geographic Coordinate Systems URL
  
  Complete this web course, take the exam and print your course certificate!
  
  (The practical exercise involving ArcGIS Pro is optional)
- Modeling Earth for Projections ... URL
  
  Video lesson by Brian Baldwin - (very!) worthwhile watching!
- Map Projections (ITC) URL
- ArcGIS Blog: Geographic vs. Projected Coordinate Systems URL
- Esri Academy: Basics of Map Projections URL
- ArcGIS Blog: Coordinate Systems: What's the Difference? URL
  
  Just a quick read. Focus on the first half, no need to get into WKT, WKID and tools.
- Null Island - why is it there, and why do we care? URL
- Properties of Global Projections URL
- Viewing and comparing map projections URL
  
  PSU Interactive Album of Map Projections 2.0. Switch on 'distortion ellipses' - Tissot's indicatrix.
- SpatialReference.org - map projections worldwide URL
- I Hate Coordinate Systems! URL
- Mercator Puzzle URL
- The true size of ... URL
  
  Assessing the impact of cylindrical / Mercator projections on the size and shape of country outlines.
- Map Distortions URL
- Distortion ellipses (animation) URL
- Visualising Map Distortion (Ian Johnson) URL
- LatLong.net - Coordinate Conversion URL
- Earth Point - Coordinate Conversion (Google Earth) URL
- The World Coordinate Converter URL
- Geoplaner - GeoConverter and Route Planner URL
- Behind the scenes - basics of coordinate transformations (ITC) URL
- Activities: Page
  
  Tasks to complete this section
- Assessment: Page
  
  Check out these questions and exercises

Section: Spatial reference systems | Digital Earth Basics | Z_GIS

General

Spatial reference systems

Spatial reference systems