getmaprequest.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

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<A NAME="setBBox(java.lang.String)"><!-- --></A><H3>
setBBox</H3>
<PRE>
public void <B>setBBox</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;bbox)</PRE>
<DL>
<DD>From the Web Map Service Implementation Specification: "The required
 BBOX parameter allows a Client to request a particular Bounding Box.
 The value of the BBOX parameter in a GetMap request is a list of
 comma-separated numbers of the form "minx,miny,maxx,maxy". If the WMS
 server has declared that a Layer is not subsettable, then the Client
 shall specify exactly the declared Bounding Box values in the GetMap
 request and the Server may issue a Service Exception otherwise."

 NOTE: In WMS 1.3.0, the specification of "EPSG:4326" has the axis
 swapped, so a request made in 1.1.1 using "minx,miny,maxx,maxy" would
 use "miny,minx,maxy,maxx" in 1.3.0. Only when using EPSG:4326!
 
 Currently it is up to the client to do this on there own.
 TODO Accept Envelopes and doubles instead of Strings, and perform
 the 1.3.0 conversion automatically. Also note that not all servers
 may implement this. Should provide an option to use 1.1.1 format even
 when using 1.3.0.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bbox</CODE> - A string representing a bounding box in the format
        "minx,miny,maxx,maxy"</DL>
</DD>
</DL>
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<A NAME="setBBox(org.geotools.data.ows.CRSEnvelope)"><!-- --></A><H3>
setBBox</H3>
<PRE>
public void <B>setBBox</B>(<A HREF="../../../../../org/geotools/data/ows/CRSEnvelope.html" title="class in org.geotools.data.ows">CRSEnvelope</A>&nbsp;box)</PRE>
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<DD><DL>
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<A NAME="setFormat(java.lang.String)"><!-- --></A><H3>
setFormat</H3>
<PRE>
public void <B>setFormat</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;format)</PRE>
<DL>
<DD>From the Web Map Service Implementation Specification: "The required
 FORMAT parameter states the desired format of the response to an
 operation. Supported values for a GetMap request on a WMS instance are
 listed in one or more &lt;Format> elements in the
 &;ltRequest>&lt;GetMap> element of its Capabilities XML. The entire
 MIME type string in &lt;Format> is used as the value of the FORMAT
 parameter."
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The desired format for the GetMap response</DL>
</DD>
</DL>
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<A NAME="setDimensions(java.lang.String, java.lang.String)"><!-- --></A><H3>
setDimensions</H3>
<PRE>
public void <B>setDimensions</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;width,
                          <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;height)</PRE>
<DL>
<DD>From the Web Map Service Implementation Specification: "The required
 WIDTH and HEIGHT parameters specify the size in integer pixels of the
 map image to be produced. WIDTH specifies the number of pixels to be
 used between the minimum and maximum X values (inclusive) in the BBOX
 parameter, while HEIGHT specifies the number of pixels between the
 minimum and maximum Y values. If the WMS server has declared that a
 Layer has fixed width and height, then the Client shall specify exactly
 those WIDTH and HEIGHT values in the GetMap request and the Server may
 issue a Service Exception otherwise."
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - <DD><CODE>height</CODE> - </DL>
</DD>
</DL>
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<A NAME="setDimensions(int, int)"><!-- --></A><H3>
setDimensions</H3>
<PRE>
public void <B>setDimensions</B>(int&nbsp;width,
                          int&nbsp;height)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="setTransparent(boolean)"><!-- --></A><H3>
setTransparent</H3>
<PRE>
public void <B>setTransparent</B>(boolean&nbsp;transparent)</PRE>
<DL>
<DD>From the Web Map Service Implementation Specification: "The optional
 TRANSPARENT parameter specifies whether the map background is to be
 made transparent or not. The default value is false if the parameter is
 absent from the request."
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transparent</CODE> - true for transparency, false otherwise</DL>
</DD>
</DL>
<HR>

<A NAME="setBGColour(java.lang.String)"><!-- --></A><H3>
setBGColour</H3>
<PRE>
public void <B>setBGColour</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;bgColour)</PRE>
<DL>
<DD>Specifies the colour, in hexidecimal format, to be used as the
 background of the map. It is a String representing RGB values in
 hexidecimal format, prefixed by "0x". The format is: 0xRRGGBB. The
 default value is 0xFFFFFF (white)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bgColour</CODE> - the background colour of the map, in the format 0xRRGGBB</DL>
</DD>
</DL>
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<A NAME="setExceptions(java.lang.String)"><!-- --></A><H3>
setExceptions</H3>
<PRE>
public void <B>setExceptions</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;exceptions)</PRE>
<DL>
<DD>The exceptions type specifies what format the server should return
 exceptions in.
 
 <p>
 Valid values are:
 
 <ul>
 <li>
 "application/vnd.ogc.se_xml" (the default)
 </li>
 <li>
 "application/vnd.ogc.se_inimage"
 </li>
 <li>
 "application/vnd.ogc.se_blank"
 </li>
 </ul>
 </p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>exceptions</CODE> - </DL>
</DD>
</DL>
<HR>

<A NAME="setTime(java.lang.String)"><!-- --></A><H3>
setTime</H3>
<PRE>
public void <B>setTime</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;time)</PRE>
<DL>
<DD>See the Web Map Server Implementation Specification 1.1.1, Annexes B and
 C
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>time</CODE> - See the Web Map Server Implementation Specification 1.1.1,
        Annexes B and C</DL>
</DD>
</DL>
<HR>

<A NAME="setElevation(java.lang.String)"><!-- --></A><H3>
setElevation</H3>
<PRE>
public void <B>setElevation</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;elevation)</PRE>
<DL>
<DD>See the Web Map Server Implementation Specification 1.1.1, Annex C, in
 particular section C.4
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>elevation</CODE> - See the Web Map Server Implementation Specification
        1.1.1, Annex C</DL>
</DD>
</DL>
<HR>

<A NAME="setSampleDimensionValue(java.lang.String, java.lang.String)"><!-- --></A><H3>
setSampleDimensionValue</H3>
<PRE>
public void <B>setSampleDimensionValue</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name,
                                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;value)</PRE>
<DL>
<DD>See the Web Map Server Implementation Specification 1.1.1, Annex C, in
 particular section C.4.2
 
 <p>
 Example use: <code>request.setSampleDimensionValue("DIM_WAVELENGTH",
 "4000");</code>
 </p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the request parameter name to set (usually with 'dim_' as
        prefix)<DD><CODE>value</CODE> - the value of the request parameter (value, interval or
        comma-separated list)</DL>
</DD>
</DL>
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<A NAME="setVendorSpecificParameter(java.lang.String, java.lang.String)"><!-- --></A><H3>
setVendorSpecificParameter</H3>
<PRE>
public void <B>setVendorSpecificParameter</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name,
                                       <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;value)</PRE>
<DL>
<DD>Used to implement vendor specific parameters. Entirely optional.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a request parameter name<DD><CODE>value</CODE> - a value to accompany the name</DL>
</DD>
</DL>
<HR>

<A NAME="setProperties(java.util.Properties)"><!-- --></A><H3>
setProperties</H3>
<PRE>
public void <B>setProperties</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Properties.html" title="class or interface in java.util">Properties</A>&nbsp;p)</PRE>
<DL>
<DD>create a request using a properties file to save time
<P>
<DD><DL>
</DL>
</DD>
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