MapGIS OGC 共享服务使用说明.doc

MapGIS OGC 共享服务使用说明
一、引言
数据格式需要支持XML、GML、KML和GeoRSS JSON
服务的通信协议需要支持http Get/POST、SOAP、REST
支持的OGC标准协议有:WMS WFS WCS WMTS WPS WFS-G
WMS




体系结构:
OGC共享服务体系

WFS


WCS



WMTS


WPS

WFS-G
二、网络地图服务(WMS)
1、接口说明
1、GetCapabilities接口
版本
接口
参数
Required/
Description
Optional



GetCapabilities
VERSION
O
Request version
SERVICE=WMS
R
Service type
REQUEST=GetCapabilities
R
Request name
UPDATESEQUENCE=string
O
Sequence number or
string for cache control
2、GetMap接口
版本
接口
参数
Required/
Optional
Description


GetMap
VERSION=version
R
Request version
REQUEST=GetMap
R
Request name
LAYERS=layer_list
R
Comma-separated list of one or more map layers. Optional if SLD parameter is present.
STYLES=style_list
R
Comma-separated list of one rendering style per
SRS=namespace:identifier
CRS ()
R
Spatial Reference System.
BBOX=xmin,ymin,xmax,ymax
R
Bounding box corners (lower left, upper right) in
SRS units.
WIDTH=output_width
R
Width in pixels of map picture.
HEIGHT=output_height
R
eight in pixels of map picture.
FORMAT=output_format
R
Output format of map.
TRANSPARENT=TRUE|FALSE
O
Background transparency of map
(default=FALSE).
BGCOLOR=color_value
O
Hexadecimal red-green-blue color value for the
background color (default=0xFFFFFF).
EXCEPTIONS=exception_format
O
The format in which exceptions are to be reported
by the WMS (default=SE_XML).
TIME=time
O
Time value of layer desired.
ELEVATION=elevation
O
Elevation of layer desired.
Other sample dimension(s)
O
Value of other dimensions as appropriate.
Vendor-specific parameters
O
Optional experimental parameters
The following parameters are used only with Web Map Services that support the Styled Layer
Descriptor specification[10].
SLD=styled_layer_descriptor_URL O URL of Styled Layer Descriptor (as defined in
SLD Specific