Geographic Information System
Open source tools:
GRASS
Quantum GIS
ArcGIS Online
Google Maps
Bing Maps
ESRI
Layers:
Base Layer - Map
Operation Layer -
Feature - Consists of geometry with associated attributes
ArcGIS is the industry standard
Robust system for spatial analysis and mapping
Map mashup
HTML
JavaScript
HTML
KML
Map interface
Google maps
Bing maps
ESRI
Map able data
Skills Required
ESRI ArcGIS
GeoServer
LeafletJS
HTML5/Javascript, Python and .NET
ASP.NET, C#.NET, Python, HTML and Javascript.
ArcGIS Javascript API, ArcObjects
OpenLayers or LeafletJS
Quantum GIS
spatial databases
ESRI geodatabases, SQL Server native spatial and PostgresSQL/PostGIS
Optional certifications include GISP or Certified Mapping Scientist, GIS/LIS
Sharp critical thinking skills, strong written and verbal communication skills, ability to analyze spatial data, problem-solving skills, project management skills, familiarity with statistical analysis; programming skills including ASP.NET, MVC, ArcGIS, Oracle databases, SQL, and GIS database design
Discrete data - Does not change
Continuous Data -
Spatial operation functions:
Buffer
Intersect
Difference
Union
References
https://study.com/articles/Be_a_GIS_Developer_Job_Description_and_Requirements.html
https://spatialjobs.com.au/jobs/senior-gis-developer/
https://www.pluralsight.com/courses/gis-introduction-developers
https://www.linkedin.com/pulse/8-critical-skills-you-need-successful-gis-chris-akin-gisp/