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Elevation Data from Webservices
posted by Satri
on Friday June 15, @11:09AM
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from the not-that-high dept.
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The High Earth Orbit blog discuss tools to know th altitude of any given location on Earth. From the blog: "EarthTools has a webservice that covers the US and Europe using the SRTM data. Given a latitude/longitude it returns the height above sea-level in feet and meters. [...] Geonames offers two services using the SRTM data, and also the GTOPO30 from the USGS. Geonames gets bonus points for also returning the results in JSON."
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Geonames.org as Data Provider?
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The Geospatial Semantic Web Blog describes why GeoNames.org is his favorite geo-data provider. The short entry worth the read and underlines many great features of GeoNames: "It features about 2.2 million records of geographical information. [...] Many reasons why Geonames.org is interesting: First, it provides a unified representation of geographical data from different providers. [...] Second, it provides web service API for querying geographical information. [...] Third, Geonames web service supports both JSON and XML output."
We introduced GeoNames a few months ago.
An Inventory of SRTM-DEM Versions 6 comments
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I invite everyone to comment and improve this tentative to gather relevant information on SRTM-DEM data and versions. The objective is to build an inventory of the different SRTM-DEM versions. Versions considered are those which (1) do not degrade the spatial resolution of the original dataset and (2) which maintain the original near-global coverage. Read more below.
Elevation Data from Webservices
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