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L-01: Raster Processing and Preparation with GDAL

A practical tutorial on processing and preparing raster data for visualization or futher analysis. Exercises will include:

  • Exploring your image data
  • Format translation
  • Optimizing data for MapServer/MapGuide/etc
  • Rescaling
  • Mosaicing
  • Reprojection
  • Using virtual files.

Most exercises will be performed using GDAL command line utility programs, with a final exercise demonstrating Python scripting for specialized processing. It is intended that the workshop would be useful for anyone needing to prepare raster data for use in packages such as MapServer, MapGuide, QGIS, GRASS, OSSIM or proprietary GIS and imaging applications.

User Level



Frank Warmerdam is an independent geospatial open source software developer, and has been working on the GDAL/OGR library for seven years. Previous to that he was a senior developer at PCI Geomatics for six years. In 1991 he graduated from the University of Waterloo with a Bachelor of Mathematics, majoring in Computer Science. He is also an occasional contributor to many other open source projects, winner of the first annual Sol Katz award, and is currently President of OSGeo.

Mateusz Loskot is a freelance geospatial Open Source oftware developer and student of Faculty of Forestry at the Warsaw Agricultural University. Currently, he is involved in development of GDAL/OGR library. He is also the author of PostGIS provider for Feature Data Objects an contributor to many other FOSS4G projects. Previously, he has been working as a software developer for GIS companies in Poland for five years.