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Open Geospatial Consortium Web Mapping Service |
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These instructions were prepared for developers of Web mapping services
who want to connect to nationalatlas.gov using Open
Geospatial Consortium (OGC) protocols for interoperability and access. Anyone can connect to the National Atlas of the United States® by supplying valid OGC parameter values to our uniform resource locator (URL). We currently support the parameters shown in the following table. |
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Use either of the following URLs to access our capabilities file: http://nationalatlas.gov/natlas/capabilities.xml or http://nationalatlas.gov/natlas/WMSProcess.asp. A map request is built using this basic URL followed by a question mark and valid parameter=value pairs separated by an ampersand (&). For example, this map lengthy request will generate the map that appears just below the request: |
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If no parameter values are supplied, a default map image is drawn. |
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Notes: Selected National Atlas Web Mapping Services are also available from the Geography Network. |
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National Atlas of the United States® and The National Atlas of the United States of America® are registered trademarks of the United States Department of the Interior Privacy Statement, Disclaimer, Accessibility, FOIA http://nationalatlas.gov/infodocs/ogcwms.html Last modified: April 29, 2008 15:04 |