Course: Geospatial Models and Representations

Course: Geospatial Models and Representations | Z_GIS

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)
  
  describe basic approaches to digitally representing real world features
  
  work with increasing abstraction levels of data models with a focus on the ANSI-SPARC conceptual level
  
  select adequate vector and/or raster representations depending on theme characteristics
  
  distinguish and apply standard W*S services with an emphasis on open data / services
  
  understand architectures and purpose of Spatial Data Infrastructures and their main components
  
  integrate standard services into simple web apps
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Instructions: Clicking on the section name will show / hide the section.

Acquisition and integration of feature data
- Learning Objectives
  
  set up a schema for feature data
  
  digitize and edit feature data for topological consistency
  
  fully describe and document a feature data set
  
  perform a relational join connecting attribute tables with spatial features
- Section overview
  
  Pop out | Video
- Esri Academy: Introduction to Spatial Data (1:30 hours web course) URL
  
  Only complete units 1 and 2 ('Vector Data'), then to be continued in the following section. If you want to complete exercises with ArcGIS Online (NO ArcGIS Pro needed!) search for NaturalMonuments, BikePaths and NatureReserves using the tag 'DEmodels'.
- Need an element on creating a layer plus attribute schema
- ArcGIS Blog: Add spreadsheet data to ArcGIS Online (10min) URL
- Learn ArcGIS: Manage Data (30min lesson) URL
  
  A practical exercise on importing and geocoding data from a .csv file, managing data and configuring views and access.
- Database schemas and UML diagrams Page
- Esri Academy: Creating and Sharing GIS Content Using ArcGIS Online (2:30 hours web course) URL
  
  This course covers elements across this entire module, it is therefore recommended to complete it rather sooner than later
- Activities: Page
  
  Tasks to complete this section
- Assessment: Page
  
  Check out these questions and exercises
Raster data and imagery
- Learning Objectives
  
  describe the distinction between imagery and thematic raster data, as well as spatially continuous vs. discrete themes
  
  manage the conversion of vector (feature) data into raster representations
  
  select correct approaches to resampling
  
  understand spatial referencing and resolution characteristics of raster data
- Section overview
  
  Pop out | Video
- UCGIS BoK: The Raster Data Model URL
  
  An overview lecture. Should be used as a quick read, no need to dig deeper e.g. into file formats.
- Self assessment questions Page
- Section quiz
- Activities: Page
  
  Tasks to complete this section
- Assessment: Page
  
  Check out these questions and exercises
Accessing and managing services
- Learning Objectives
  
  create a service from a feature layer and share it as a feature service
  
  create and share an image service
  
  explore and understand different types of W*S services
  
  defining and creating view layers
  
  work with real time sensor data streams, e.g. via GeoRSS
- Section overview
  
  Pop out | Video
- Learn ArcGIS: Share a map (20min lesson) URL
- Vector tile style editor URL
  
  Vector tile services offer the client user full control over selection of features and the styling of visualisation. Based on these, anyone can create their own (base)map from vector tile services!
- Training video: Customizing and Styling Vector Basemaps (1 hour) URL
  
  Adjusting the appearance of a vector basemap to your overall design requirements.
- Activities: Page
  
  Tasks to complete this section
- Assessment: Page
  
  Check out these questions and exercises
Principles and practice of open data
- Learning Objectives
  
  explain the rationale and value of open access and open data
  
  distinguish license models around creative commons (cc)
  
  explore and experience open data portals, distinguish open data vs open services
  
  recognize open data as a core element of SDI and geospatial ecosystems
  
  awareness of Volunteered Geographic Information (VGI)
- Section overview
  
  Pop out | Video
- Tim Berners-Lee: The year open data went worldwide (TED talk, 5min) URL
  
  DO NOT miss this ...!
- What is Open Data? URL
  
  An excellent, concise and comprehensive summary of open data including a 3min cc video - take your time to fully explore this module and work through the quizzes at the end! Then ... you actually should complete this entire course at https://data.europa.eu/elearning/en/#/id/co-01 or at least those modules you consider of interest.
- What is Open Data? (short article from Open Data Handbook) URL
- cc creative commons licenses URL
- ODbL Open Database License URL
- data.europa.eu portal URL
- UCGIS BoK DC-29 - Volunteered Geographic Information URL
  
  An increasing amount of spatial data is collected 'involuntarily' through mobile apps and user tracking. Preferably, though, we rely on 'crowd-sourced' data contributed by volunteers, reaching far beyond OpenStreetMap.
- Search for open data on ArcGIS Hub URL
- OSM: A year of edits (2013) URL
Navigating Spatial Data Infrastructures
- Learning Objectives
  
  navigate SDI portals and apply selection criteria
  
  assess the different data formats and services standards offered by portals
  
  use SDI portal content for a self selected purpose
  
  discuss and explain the transition from SDI to Geospatial Ecosystems
- Section overview
  
  Pop out | Video
- Esri Academy: Understanding and Using Metadata in ArcGIS (30min video) URL
  
  Metadata helps organizations find and understand data. It provides a description of the data and provides context for appropriate usage.
- Schade, S. et al. (2020). Geospatial Information Infrastructures. In: Guo, H., Goodchild, M.F., Annoni, A. (eds) Manual of Digital Earth. Springer, Singapore. https://doi.org/10.1007/978-981-32-9915-3_5 File
  
  [Optional] Book chapter for background reading if you want to explore this topic further.
Creating apps for data collection
- Learning Objectives
  
  create a feature service and collect data with a mobile app (QuickCapture)
  
  design and define a spatially anchoraged survey and/or field data acquisition (Survey123 or Field Maps)
  
  visualize and share results with a simple instant app
  
  manage updating of feature details through an app
- Section overview
  
  Pop out | Video
- The Power of Apps URL
  
  Read this chapter from 'The ArcGIS Book' to get some ideas for app development and to further understand the wider context of our work.
- Esri Academy: Field Data Collection Using ArcGIS (6 hours web course) URL
  
  Optional, if you plan to work with Field Maps. This course presents a six-step workflow to prepare for and conduct field data-collection activities using ArcGIS Field Maps. In this course, you will create and configure an editable layer, map, and data-collection form. You will then use these items to collect data with the Field Maps mobile app.

Course: Geospatial Models and Representations | Z_GIS

General

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Acquisition and integration of feature data

Raster data and imagery

Accessing and managing services

Principles and practice of open data

Navigating Spatial Data Infrastructures

Creating apps for data collection