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The Reliability of Web Mapping Services
posted by Satri
on Wednesday July 26, @07:34AM
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from the responsible-for-reliability dept.
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from the responsible-for-reliability dept.
The PerryGeo blog has a interesting entry discussing the reliability of web mapping services. From the entry: "The bottom line is that whenever we rely heavily on a web service to deliver essential data, we are risking the integrity of the end product. The chain is only as strong as it’s weakest link and, unfortunately as the USGS and NASA have shown, those links can and will fail completely from time to time." Read also Dave's comment on Geodatabase replication feature coming in ArcGIS 9.2.
Related Stories
Top Ten WMS Layers
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Matt at the PerryGeo blog shares his top 10 for WMS layers. From the blog: "Software like GeoServer and Mapserver are making it easier to publish data via WMS and the number of WMS servers is surely growing… but how do you find them? There is no central registry for WMS servers but efforts like the refractions research ogc survey, mapdex and a few google tricks are making it easier to find data distributed via WMS." Any other valuable WMS layers nobody should miss?
WMS, Where Shall I Find Thee? 2 comments
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Tim Schaub writes "Ok, you're putting together a new web mapping app and you want good looking data without all the work of hosting it. You might decide to rely on a publicly accessible web mapping service (WMS), but how can you find what's out there? A number of sites have links to these resources, but they come up short if you want to know the extent of the data, or what it looks like. The recently launched http://wms-sites.com/ is an effort to ease your pain. The site houses a growing catalog of useful WMS resources. Each layer (just under 3,000 at this writing) can be browsed in a slippy map interface – kudos to the OpenLayers team. The most useful way to find data is to enter a keyword or two in the search box. Hover over listed results to see the layer extent on a map, or consume the RSS if you prefer GeoRSS in the Resource Description Framework." Read what's left of the announcement with search examples below. See also related stories.
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