literenderer2.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

<DD><DL>
<DT><B>Parameters:</B><DD><CODE>mapExtent</CODE> - the map extent<DD><CODE>screenSize</CODE> - the screen size
<DT><B>Returns:</B><DD>a transform that maps from real world coordinates to the screen</DL>
</DD>
</DL>
<HR>

<A NAME="pixelToWorld(int, int, com.vividsolutions.jts.geom.Envelope)"><!-- --></A><H3>
pixelToWorld</H3>
<PRE>
public <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Coordinate.html" title="class or interface in com.vividsolutions.jts.geom">Coordinate</A> <B>pixelToWorld</B>(int&nbsp;x,
                               int&nbsp;y,
                               <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A>&nbsp;map)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Converts a coordinate expressed on the device space back to real world
 coordinates
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/renderer/Renderer.html#pixelToWorld(int, int, com.vividsolutions.jts.geom.Envelope)">pixelToWorld</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/renderer/Renderer.html" title="interface in org.geotools.renderer">Renderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - horizontal coordinate on device space<DD><CODE>y</CODE> - vertical coordinate on device space<DD><CODE>map</CODE> - The map extent
<DT><B>Returns:</B><DD>The correspondent real world coordinate</DL>
</DD>
</DL>
<HR>

<A NAME="getCentroid(com.vividsolutions.jts.geom.Geometry)"><!-- --></A><H3>
getCentroid</H3>
<PRE>
public <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Geometry.html" title="class or interface in com.vividsolutions.jts.geom">Geometry</A> <B>getCentroid</B>(<A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Geometry.html" title="class or interface in com.vividsolutions.jts.geom">Geometry</A>&nbsp;g)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Finds the centroid of the input geometry if input = point, line, polygon
 --> return a point that represents the centroid of that geom if input =
 geometry collection --> return a multipoint that represents the centoid
 of each sub-geom
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g</CODE> - </DL>
</DD>
</DL>
<HR>

<A NAME="isInteractive()"><!-- --></A><H3>
isInteractive</H3>
<PRE>
public boolean <B>isInteractive</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Getter for property interactive.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/renderer/Renderer.html#isInteractive()">isInteractive</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/renderer/Renderer.html" title="interface in org.geotools.renderer">Renderer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Value of property interactive.</DL>
</DD>
</DL>
<HR>

<A NAME="setInteractive(boolean)"><!-- --></A><H3>
setInteractive</H3>
<PRE>
public void <B>setInteractive</B>(boolean&nbsp;interactive)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Sets the interactive status of the renderer. An interactive renderer
 won't wait for long image loading, preferring an alternative mark instead
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/renderer/Renderer.html#setInteractive(boolean)">setInteractive</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/renderer/Renderer.html" title="interface in org.geotools.renderer">Renderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>interactive</CODE> - new value for the interactive property</DL>
</DD>
</DL>
<HR>

<A NAME="isOptimizedDataLoadingEnabled()"><!-- --></A><H3>
isOptimizedDataLoadingEnabled</H3>
<PRE>
public boolean <B>isOptimizedDataLoadingEnabled</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD><p>
 Returns true if the optimized data loading is enabled, false otherwise.
 </p>
 <p>
 When optimized data loading is enabled, lite renderer will try to load
 only the needed feature attributes (according to styles) and to load only
 the features that are in (or overlaps with)the bounding box requested for
 painting
 </p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setOptimizedDataLoadingEnabled(boolean)"><!-- --></A><H3>
setOptimizedDataLoadingEnabled</H3>
<PRE>
public void <B>setOptimizedDataLoadingEnabled</B>(boolean&nbsp;b)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Enables/disable optimized data loading
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - </DL>
</DD>
</DL>
<HR>

<A NAME="getGeneralizationDistance()"><!-- --></A><H3>
getGeneralizationDistance</H3>
<PRE>
public double <B>getGeneralizationDistance</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD>Returns the generalization distance in the screen space.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setGeneralizationDistance(double)"><!-- --></A><H3>
setGeneralizationDistance</H3>
<PRE>
public void <B>setGeneralizationDistance</B>(double&nbsp;d)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD><p>
 Sets the generalizazion distance in the screen space.
 </p>
 <p>
 Default value is 1, meaning that two subsequent points are collapsed to
 one if their on screen distance is less than one pixel
 </p>
 <p>
 Set the distance to 0 if you don't want any kind of generalization
 </p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - </DL>
</DD>
</DL>
<HR>

<A NAME="setMemoryPreloadingEnabled(boolean)"><!-- --></A><H3>
setMemoryPreloadingEnabled</H3>
<PRE>
public void <B>setMemoryPreloadingEnabled</B>(boolean&nbsp;enabled)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>enabled</CODE> - </DL>
</DD>
</DL>
<HR>

<A NAME="setRenderingHints(java.awt.RenderingHints)"><!-- --></A><H3>
setRenderingHints</H3>
<PRE>
public void <B>setRenderingHints</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.html" title="class or interface in java.awt">RenderingHints</A>&nbsp;hints)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setRenderingHint(java.awt.RenderingHints.Key, java.lang.Object)"><!-- --></A><H3>
setRenderingHint</H3>
<PRE>
public void <B>setRenderingHint</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.Key.html" title="class or interface in java.awt">RenderingHints.Key</A>&nbsp;key,
                             <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;value)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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