PostGIS
(โพสต์จีไอเอส)
Definition
PostGIS (โพสต์จีไอเอส) Tool
PostGIS is an open-source spatial database extender for PostgreSQL, enabling geographic objects to be stored, queried, and analyzed within a relational database.
Expertise Level
Level 1
Basic
1. Understands the basics of spatial databases and PostGIS installation.
2. Can perform simple spatial queries using basic PostGIS functions.
3. Able to create and manage spatial tables with geometries.
Level 2
Intermediate
1. Can use advanced spatial functions for analysis such as intersections and buffers.
2. Able to optimize spatial queries and indexes for better performance.
3. Understands coordinate reference systems and can transform spatial data accordingly.
Level 3
Advanced
1. Can design and implement complex spatial database solutions using PostGIS.
2. Integrates PostGIS with other GIS and data tools for advanced geospatial analysis.
3. Develops custom spatial functions and performs large-scale spatial data management.
