diff --git a/docs/partials/boundingbox.asciidoc b/docs/partials/boundingbox.asciidoc index 5589aa3..96ab0ab 100644 --- a/docs/partials/boundingbox.asciidoc +++ b/docs/partials/boundingbox.asciidoc @@ -109,11 +109,15 @@ Bounding box, which was made multiple |=== |Guidelines | -. The encoding example for geographic bounding box for datasets is shown -in the example -. Note that the extent XML element is in the gmd namespace. This differs -from service metadata instances where the extent XML element will be in -the srv namespace. +# tag::service[] +. The encoding is very similar to that used in metadata +instances for datasets or series, except that the extent XML element is +in the srv namespace instead of gmd. This is because extent is a +property of MD_DataIdentification (ISO 19115) and +SV_ServiceIdentification (ISO 19119/Amd 1:2008), not a property of the +parent MD_Identification. +. Note that the EX_Extent XML element is in the gmd namespace, even though it is being used to describe a service. +# end::service[] . The definition of the equivalent ISO 19115 class, EX_GeographicBoundingBox, is 'Geographic area of the entire dataset referenced to WGS 84'. Consequently, the CRS of the coordinates @@ -122,15 +126,6 @@ http://www.opengis.net/def/crs/EPSG/0/4326). This means that the coordinate values shall be expressed in units of degrees (encoded using decimal numbers) with axes orientated north and east. The geodetic datum is WGS 84. - -# tag::service[] -Note that the encoding is very similar to that used in metadata -instances for datasets or series, except that the extent XML element is -in the srv namespace instead of gmd. This is because extent is a -property of MD_DataIdentification (ISO 19115) and -SV_ServiceIdentification (ISO 19119/Amd 1:2008), not a property of the -parent MD_Identification. -# end::service[] |Example | [source,xml] @@ -166,4 +161,4 @@ Six decimal places of a degree is something like 1cm, so the longitude above is being given to roughly the nearest molecule. |=== -==== \ No newline at end of file +====