[ QGIS ] – The Semi-Automatic Classification Plugin (SCP)

The Semi-Automatic Classification Plugin (SCP) is a free open source plugin for QGIS that allows for the semi-automatic classification (also supervised classification) of remote sensing images. Also, it provides several tools for the pre processing of images, the post processing of classifications, and the raster calculation.

Introduction to PostGIS

Introduction to PostGIS

Getting Started

• This workshop uses a software/data bundle http://revenant.ca/www/postgis/introtopostgis-2009.zip
• Download the bundle and unzip it in a convenient location.

Workshop Materials

Inside the workshop bundle, you will find:

workshop/

a directory containing this HTML workshop

software/

a directory containing all the software we will be installing and a couple extras

data/

a directory containing the shape files we will be loading

All the data in the package is public domain and freely re-distributable. All the software in the package is open source, and freely re-distributable. This workshop is licensed as Creative Commons “share alike with attribution“, and is freely re-distributable under the terms of that license.

Workshop Modules

• Section 0: Welcome to FOSS4G
• Section 1: Introduction to PostGIS
• Section 2: Installation of PostgreSQL
• Section 3: Creating a Spatial Database
• Section 4: Loading spatial data
• Section 5: Geometries
• Section 6: Accessor Functions
• Section 7: Measurement
• Section 8: Spatial Indexing
• Section 9: Spatial Joins
• Section 10: Projecting data
• Section 11: Basic Exercises
• Section 12: Tuning PostgreSQL for Spatial
• Section 13: Query Plan Analysis
• Section 14: Visualisation
• Section 15: Validity and Equality
• Section 16: Advanced Performance
• Section 17: Advanced Functions
• Section 18: Advanced Exercises
• Appendix A: PostGIS Functions
• Appendix B: Glossary
• Appendix C: License

Links to have on hand

• PostGIS – http://www.postgis.org/
  • Docs – http://www.postgis.org/docs/
• PostgreSQL – http://www.postgresl.org/
  • Downloads – http://www.postgresql.org/download/
  • Docs – http://www.postgresql.org/docs/
  • JDBC Driver – http://jdbc.postgresql.org/
  • .Net Driver – http://npgsql.projects.postgresql.org/
  • Python Driver – http://www.pygresql.org/
  • C/C++ Driver – http://www.postgresql.org/docs/8.4/static/libpq.html
• PgAdmin III – http://www.pgadmin.org/
• Open Source Desktop Clients
  • uDig – http://udig.refractions.net/
  • QGIS – http://qgis.org/