GIS Data

Geonetwork : Créer une fiche métadonnée

Geonetwork : Créer une fiche métadonnée

La description est une étape importante dans la gestion et le partage des données. Voici comment créer une fiche métadonnéé dans geonetwork et la publier.

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NOAA’s VDatum: Transforming Heights between Vertical Datums

NOAA’s VDatum: Transforming Heights between Vertical Datums

Produced in collaboration between NOAA’s National Geodetic Survey (NGS) and The COMET Program, this video explains NOAA’s VDatum tool and its role in facilitating height transformations between vertical datums including tidal, orthometric, and ellipsoidal datums. It also provides an overview of different types of vertical datums and how they may be used for different applications with a focus on coastal ...

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Download maps from OpenStreetMap and upload to Garmin GPS

Download maps from OpenStreetMap and upload to Garmin GPS

Visit the streets of anywhere in the world on your Garmin GPS with detailed maps of routes, points of interest, hotels, restaurants, fuel stations, tourist attractions and more. All thanks to the giant database of OpenStreetMap, which is normally updated daily, also can be downloaded free. Link: http://garmin.openstreetmap.nl/

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Where do you get GIS maps from?

Where do you get GIS maps from?

In this video I talk about where you get GIS data from. I’m not talking about the “canned” data you download from some site on the web, but I start to introduce the idea that some GIS projects require mapping specifically for that project, maps that you have to create yourself. In case some of you missed it in a ...

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GIS Data Types – Points, Lines and Polygons

GIS Data Types – Points, Lines and Polygons

I sat down to create a post about the real estate component of the eBook. It dawned on me that I couldn’t do a meaningful job of explaining the maps of I didn’t first spend a little time explaining some basics of GIS maps. Some of you will have heard of Points, Lines and Polygons in the context of GIS ...

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