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Add My Service to TNM Viewer FAQs - 12 Found

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Why am I having problems adding Web Map Services to TNM Viewer?

The following are common problems and solutions:

  • Many WMS's are set up to only support the Geographic WGS84 (EPSG:4326) spatial reference system. Make sure to enable EPSG:102100 as your service must support WGS84 Web Mercator (Auxiliary Sphere).
  • WMS may be down, so check if it is up by calling the service directly.
  • Can you open the GetCapabilities request in a web browser?
  • Add the following parameters after the "?", such as "request=GetCapabilities&service=WMS&version=1.1.1". Parameters are case sensitive so use CAPITAL letters as necessary.
  • TNM Viewer can't parse the GetCapabilities request if the word, Infinity, is used to describe a scale hint parameter. Recommend use of an appropriate numeric value.
  • The service has too many layers to process. JavaScript processing in TNM Viewer currently does not handle services well with more than 50 layers.

Tags: Maps, Topographic, Recreation, Quadrangle, GeoPDF, Scale