GIS

Open Source Geospatial Production of United States Forest Disturbance Maps from Landsat Time Series

Open Source Geospatial Production of United States Forest Disturbance Maps from Landsat Time Series

The North American Forest Dynamics (NAFD) project is completing nationwide processing of historic Landsat data to provide annual, wall-to-wall analysis of US disturbance history over nearly the last three decades. Because understanding the causes of disturbance (e.g., harvest, fire, stress) is important to quantifying carbon dynamics, work was conducted to attribute causal agents to the nationwide change maps. This case ...

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Modern SQL in PostgreSQL

Modern SQL in PostgreSQL

SQL has gone out of fashion lately — partly due to the NoSQL movement, but mostly because SQL is often still used like 20 years ago. As a matter of fact, the SQL standard continued to evolve during the past decades resulting in the current release of 2011. In this session, we will go through the most important additions since ...

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Transferring Data with AutoCAD Map 3D

Transferring Data with AutoCAD Map 3D

The GIS and CAD world do not always get along so well. That is where AutoCAD Map 3D comes in. We took a look at a multitude of conversion and data transfer options between CAD and GIS files.

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GIS for Managers

GIS for Managers

In this seminar, one will explore basic concepts and applications of GIS, implementation strategies, and the return on investment that can be realized. The presentor discusses how GIS supports decision making through better management and sharing of information across the enterprise. An emphasis is placed on exploring the technology’s value as an organization wide tool for improved performance.

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World of GIS

World of GIS

Watch how GIS and GPS is used in strategically fighting wildland fires, using GPS and maps in aviation, and how geographic information is used in agriculture, and finally urban planning applications.

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QGIS tutorial : Parcel Editing

QGIS tutorial : Parcel Editing

By using “snapping” and “topology”, editing parcels or other layers with shared geometries, becomes much simpler in QGIS. In this episode you will learn how to turn snapping and topological editing on, and how it works. You will also see that you may run into problems, but you will also learn how to work around these problems.

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