rastersymbolizer.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

          The OverlapBehavior element tells a system how to behave when multiple
 raster images in a layer  overlap each other, for example with
 satellite-image scenes. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/geotools/styling/ShadedRelief.html" title="interface in org.geotools.styling">ShadedRelief</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#getShadedRelief()">getShadedRelief</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ShadedRelief element selects the application of relief shading (or
 ?</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setChannelSelection(org.geotools.styling.ChannelSelection)">setChannelSelection</A></B>(<A HREF="../../../org/geotools/styling/ChannelSelection.html" title="interface in org.geotools.styling">ChannelSelection</A>&nbsp;channel)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ChannelSelection element specifies the false-color channel selection
 for a multi-spectral raster source (such as a multi-band
 satellite-imagery source). </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setColorMap(org.geotools.styling.ColorMap)">setColorMap</A></B>(<A HREF="../../../org/geotools/styling/ColorMap.html" title="interface in org.geotools.styling">ColorMap</A>&nbsp;colorMap)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ColorMap element defines either the colors of a palette-type raster
 source or the mapping of fixed-numeric pixel values to colors. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setContrastEnhancement(org.geotools.styling.ContrastEnhancement)">setContrastEnhancement</A></B>(<A HREF="../../../org/geotools/styling/ContrastEnhancement.html" title="interface in org.geotools.styling">ContrastEnhancement</A>&nbsp;ce)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ContrastEnhancement element defines contrast enhancement for a
 channel of a false-color image or for a color image. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setGeometryPropertyName(java.lang.String)">setGeometryPropertyName</A></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;geometryPropertyName)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The interpretation of Geometry is system-dependent, as raster data may
 be organized differently from feature data, though omitting this
 element selects the default raster-data source.  </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setImageOutline(org.geotools.styling.Symbolizer)">setImageOutline</A></B>(<A HREF="../../../org/geotools/styling/Symbolizer.html" title="interface in org.geotools.styling">Symbolizer</A>&nbsp;symbolizer)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ImageOutline element specifies that individual source rasters in a
 multi-raster set (such as a set of satellite-image scenes) should be
 outlined with either a LineStringSymbol or PolygonSymbol. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setOpacity(org.geotools.filter.Expression)">setOpacity</A></B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;opacity)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sets the opacity for the coverage, it has the usual meaning.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setOverlap(org.geotools.filter.Expression)">setOverlap</A></B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;overlap)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The OverlapBehavior element tells a system how to behave when multiple
 raster images in a layer overlap each other, for example with
 satellite-image scenes. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/styling/RasterSymbolizer.html#setShadedRelief(org.geotools.styling.ShadedRelief)">setShadedRelief</A></B>(<A HREF="../../../org/geotools/styling/ShadedRelief.html" title="interface in org.geotools.styling">ShadedRelief</A>&nbsp;relief)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ShadedRelief element selects the application of relief shading (or
 ?</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Symbolizer"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="../../../org/geotools/styling/Symbolizer.html" title="interface in org.geotools.styling">Symbolizer</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/styling/Symbolizer.html#accept(org.geotools.styling.StyleVisitor)">accept</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_GTComponent"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="../../../org/geotools/event/GTComponent.html" title="interface in org.geotools.event">GTComponent</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/event/GTComponent.html#changed(org.geotools.event.GTDelta)">changed</A>, <A HREF="../../../org/geotools/event/GTComponent.html#getNote()">getNote</A>, <A HREF="../../../org/geotools/event/GTComponent.html#getParent()">getParent</A>, <A HREF="../../../org/geotools/event/GTComponent.html#removed(org.geotools.event.GTDelta)">removed</A>, <A HREF="../../../org/geotools/event/GTComponent.html#setNote(org.geotools.event.GTNote)">setNote</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->


<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="setGeometryPropertyName(java.lang.String)"><!-- --></A><H3>
setGeometryPropertyName</H3>
<PRE>
public void <B>setGeometryPropertyName</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;geometryPropertyName)</PRE>
<DL>
<DD>The interpretation of Geometry is system-dependent, as raster data may
 be organized differently from feature data, though omitting this
 element selects the default raster-data source.  Geometry-type
 transformations are also system-dependent and it is assumed that this
 capability will be little used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>geometryPropertyName</CODE> - the name of the Geometry</DL>
</DD>
</DL>
<HR>

<A NAME="getGeometryPropertyName()"><!-- --></A><H3>
getGeometryPropertyName</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getGeometryPropertyName</B>()</PRE>
<DL>
<DD>The interpretation of Geometry is system-dependent, as raster data may
 be organized differently from feature data, though omitting this
 element selects the default raster-data source.  Geometry-type
 transformations are also system-dependent and it is assumed that this
 capability will be little used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the name of the geometry</DL>
</DD>
</DL>
<HR>

<A NAME="setOpacity(org.geotools.filter.Expression)"><!-- --></A><H3>
setOpacity</H3>
<PRE>
public void <B>setOpacity</B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;opacity)</PRE>
<DL>
<DD>sets the opacity for the coverage, it has the usual meaning.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>opacity</CODE> - An expression which evaluates to the the opacity (0-1)</DL>
</DD>
</DL>
<HR>

<A NAME="getOpacity()"><!-- --></A><H3>
getOpacity</H3>
<PRE>
public <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A> <B>getOpacity</B>()</PRE>
<DL>
<DD>fetch the expresion which evaluates to the opacity fo rthis coverage
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The expression</DL>
</DD>
</DL>
<HR>

<A NAME="setChannelSelection(org.geotools.styling.ChannelSelection)"><!-- --></A><H3>
setChannelSelection</H3>
<PRE>
public void <B>setChannelSelection</B>(<A HREF="../../../org/geotools/styling/ChannelSelection.html" title="interface in org.geotools.styling">ChannelSelection</A>&nbsp;channel)</PRE>
<DL>
<DD>The ChannelSelection element specifies the false-color channel selection
 for a multi-spectral raster source (such as a multi-band
 satellite-imagery source). Either a channel may be selected to display
 in each of red, green, and blue, or a single channel may be selected to
 display in grayscale.  (The spelling ?gray? is used since it seems to
 be more common on the Web than ?grey? by a ratio of about 3:1.)
 Contrast enhancement may be applied to each channel in isolation.
 Channels are identified by a system and data-dependent character
 identifier.  Commonly, channels will be labelled as ?1?, ?2?, etc.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>channel</CODE> - the channel selected</DL>
</DD>
</DL>
<HR>

<A NAME="getChannelSelection()"><!-- --></A><H3>
getChannelSelection</H3>
<PRE>
public <A HREF="../../../org/geotools/styling/ChannelSelection.html" title="interface in org.geotools.styling">ChannelSelection</A> <B>getChannelSelection</B>()</PRE>
<DL>
<DD>The ChannelSelection element specifies the false-color channel selection
 for a multi-spectral raster  source (such as a multi-band
 satellite-imagery source).   Either a channel may be selected to
 display in each of red, green, and blue, or a single channel may be
 selected to display in grayscale.  (The spelling ?gray? is used since
 it seems to be more common on the Web than ?grey? by a ratio of about
 3:1.) Contrast enhancement may be applied to each channel in isolation.
 Channels are identified by a system and data-dependent character
 identifier.  Commonly, channels will be labelled as ?1?, ?2?, etc.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the ChannelSelection object set or null if none is available.</DL>
</DD>
</DL>
<HR>

<A NAME="setOverlap(org.geotools.filter.Expression)"><!-- --></A><H3>
setOverlap</H3>
<PRE>
public void <B>setOverlap</B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;overlap)</PRE>
<DL>
<DD>The OverlapBehavior element tells a system how to behave when multiple
 raster images in a layer overlap each other, for example with
 satellite-image scenes. LATEST_ON_TOP and EARLIEST_ON_TOP refer to the
 time the scene was captured. AVERAGE means to average multiple scenes
 together. This can produce blurry results if the source images are not
 perfectly aligned in their geo-referencing. RANDOM means to select an
 image (or piece thereof) randomly and place it on top.  This can
 produce crisper results than AVERAGE potentially more efficiently than
 LATEST_ON_TOP or EARLIEST_ON_TOP. The default behaviour is
 system-dependent.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>overlap</CODE> - the expression which evaluates to LATEST_ON_TOP,
        EARLIEST_ON_TOP, AVERAGE or RANDOM</DL>
</DD>
</DL>
<HR>

<A NAME="getOverlap()"><!-- --></A><H3>
getOverlap</H3>
<PRE>
public <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A> <B>getOverlap</B>()</PRE>
<DL>
<DD>The OverlapBehavior element tells a system how to behave when multiple
 raster images in a layer  overlap each other, for example with
 satellite-image scenes. LATEST_ON_TOP and EARLIEST_ON_TOP refer to the
 time the scene was captured.   AVERAGE means to average multiple scenes
 together.   This can produce blurry results if the source images are
 not perfectly aligned in their geo-referencing. RANDOM means to select
 an image (or piece thereof) randomly and place it on top.  This can
 produce crisper  results than AVERAGE potentially more efficiently than
 LATEST_ON_TOP or EARLIEST_ON_TOP.   The default behaviour is
 system-dependent.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The expression which evaluates to LATEST_ON_TOP,
         EARLIEST_ON_TOP, AVERAGE or RANDOM</DL>
</DD>
</DL>
<HR>