9.4. DescribeCoverage 操作

9.4.1. 1. KVP 格式请求

DescribeCoverage 操作需要以下的参数:

参数

是否必须

默认值

VERSION

1.1.2

SERVICE

WCS

REQUEST=DescribeCoverage

IDENTIFIERS

以下是一个WCS使用KVP格式的DescribeCoverage操作示例:

http://server_address/path/script?

service=WCS &

request=DescribeCoverage&

version=1.1.2 &

identifiers=Cov1,Cov2,Cov3

9.4.2. 2.XML格式请求

以下是一个WCS使用XML格式的DescribeCoverage操作示例:

xml version="1.0" encoding="UTF-8"?>


<
DescribeCoverage
 xmlns
="http://www.opengis.net/wcs/1.1"


xmlns
:xsi
="http://www.w3.org/2001/XMLSchema-instance"


xsi
:schemaLocation
="http://www.opengis.net/wcs/1.1 ../wcsDescribeCoverage.xsd"


service
="WCS"
 version
="1.1.2"
>


<
Identifier
>
Cov1Identifier
>


<
Identifier
>
Cov2Identifier
>


<
Identifier
>
Cov3Identifier
>


DescribeCoverage
>

9.4.3. 3.响应示例

以下是一个WCS的DescribeCoverage操作的响应示例:

xml version="1.0" encoding="UTF-8"?>


<
CoverageDescriptions
 xmlns
="http://www.opengis.net/wcs/1.1"


xmlns
:ows
="http://www.opengis.net/ows/1.1"
 xmlns
:xsi
="http://www.w3.org/2001/XMLSchema-instance"


xsi
:schemaLocation
="http://www.opengis.net/wcs/1.1 ../wcsDescribeCoverage.xsd http://www.opengis.net/ows/1.1 ../../../ows/1.1.0/owsAll.xsd"
>


<
CoverageDescription
>


<
ows
:Title
>
TBDows
:Title
>


<
ows
:Abstract
>
TBDows
:Abstract
>


<
Identifier
>
TBDIdentifier
>


<
Domain
>


<
SpatialDomain
>


<
ows
:BoundingBox
>


<
ows
:LowerCorner
>
-30.00 -30.00ows
:LowerCorner
>


<
ows
:UpperCorner
>
30.00 30.00ows
:UpperCorner
>


ows
:BoundingBox
>


SpatialDomain
>


Domain
>


<
Range
>


<
Field
>


<
ows
:Title
>
TBDows
:Title
>


<
ows
:Abstract
>
TBDows
:Abstract
>


<
Identifier
>
TBDIdentifier
>


<
Definition
>


<
ows
:AnyValue
 />


Definition
>


<
InterpolationMethods
>


<
InterpolationMethod
>
linearInterpolationMethod
>


<
Default
>
cubicDefault
>


InterpolationMethods
>


Field
>


Range
>


<
SupportedCRS
>
urn:ogc:def:crs:EPSG::XXXX

SupportedCRS
>


<
SupportedCRS
>
urn:ogc:def:crs:EPSG::YYYY

SupportedCRS
>


<
SupportedFormat
>
text/xmlSupportedFormat
>


CoverageDescription
>


CoverageDescriptions
>