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For 3D grids the GetCapabilities can report the elevation as a dimenstiondimension. In case there are any sigma layers or z-layers in the configured grid display plot, the elevation dimension will be specified by the lower and upper values seperated by a backslash. For example: 10.453057/3432.3235. The name attribute of the dimension is set to "elevation". An example of an elevation dimenstion is as follows:
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