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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:35 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>RendererUtilities (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.renderer.lite.RendererUtilities class"><META NAME="keywords" CONTENT="worldToScreenTransform()"><META NAME="keywords" CONTENT="createMapEnvelope()"><META NAME="keywords" CONTENT="calculateScale()"><META NAME="keywords" CONTENT="calculateOGCScale()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="RendererUtilities (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A 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FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.renderer.lite</FONT><BR>Class RendererUtilities</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>RendererUtilities</B></PRE><HR><DL><DT>public final class <B>RendererUtilities</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL><P>Class for holding utility functions that are common tasks for people using the "StreamingRenderer/Renderer".<P><P><DL><DT><B>Author:</B></DT> <DD>dblasby, Simone Giannecchini</DD><DT><B>Module:</B></DT><DD><CODE><B>module/render</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-render/"><CODE>gt2-render.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/render/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/render/src/org/geotools/renderer/lite/RendererUtilities.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#calculateOGCScale(org.geotools.geometry.jts.ReferencedEnvelope, int, java.util.Map)">calculateOGCScale</A></B>(<A HREF="../../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A> envelope, int imageWidth, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> hints)</CODE><BR> This method performs the computation using the methods suggested by the OGC SLD specification, page 26.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#calculateScale(com.vividsolutions.jts.geom.Envelope, org.opengis.referencing.crs.CoordinateReferenceSystem, int, int, double)">calculateScale</A></B>(<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> envelope, CoordinateReferenceSystem coordinateReferenceSystem, int imageWidth, int imageHeight, double DPI)</CODE><BR> <B>Deprecated.</B> <I></I> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#calculateScale(org.geotools.geometry.jts.ReferencedEnvelope, int, int, double)">calculateScale</A></B>(<A HREF="../../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A> envelope, int imageWidth, int imageHeight, double DPI)</CODE><BR> Find the scale denominator of the map. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#calculateScale(org.geotools.geometry.jts.ReferencedEnvelope, int, int, java.util.Map)">calculateScale</A></B>(<A HREF="../../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A> envelope, int imageWidth, int imageHeight, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> hints)</CODE><BR> First searches the hints for the scale denominator hint otherwise calls <A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#calculateScale(com.vividsolutions.jts.geom.Envelope, org.opengis.referencing.crs.CoordinateReferenceSystem, int, int, double)"><CODE>calculateScale(Envelope, CoordinateReferenceSystem, int, int, double)</CODE></A>. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <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></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/renderer/lite/RendererUtilities.html#createMapEnvelope(java.awt.Rectangle, java.awt.geom.AffineTransform)">createMapEnvelope</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/Rectangle.html" title="class or interface in java.awt">Rectangle</A> paintArea, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/AffineTransform.html" title="class or interface in java.awt.geom">AffineTransform</A> worldToScreen)</CODE><BR> <B>Deprecated.</B> <I>Uses the alternative using a <code>CoordinateReferenceSystem</code> that doe not assume anything on axes order.</I></TD></TR>⌨️ 快捷键说明
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