geotiffwriteparams.html
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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 11:36:36 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>GeoTiffWriteParams (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.gce.geotiff.GeoTiffWriteParams class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="GeoTiffWriteParams (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 HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/GeoTiffWriteParams.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/geotools/gce/geotiff/GeoTiffReader.html" title="class in org.geotools.gce.geotiff"><B>PREV CLASS</B></A> <A HREF="../../../../org/geotools/gce/geotiff/GeoTiffWriter.html" title="class in org.geotools.gce.geotiff"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="GeoTiffWriteParams.html" target="_top"><B>NO 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 | <A HREF="#fields_inherited_from_class_GeoToolsWriteParams">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#methods_inherited_from_class_GeoToolsWriteParams">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | METHOD</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.gce.geotiff</FONT><BR>Class GeoTiffWriteParams</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"><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html" title="class or interface in javax.imageio">IIOParam</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageWriteParam.html" title="class or interface in javax.imageio">ImageWriteParam</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/image/imageio/GeoToolsWriteParams.html" title="class in org.geotools.image.imageio">GeoToolsWriteParams</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>GeoTiffWriteParams</B></PRE><HR><DL><DT>public final class <B>GeoTiffWriteParams</B><DT>extends <A HREF="../../../../org/geotools/image/imageio/GeoToolsWriteParams.html" title="class in org.geotools.image.imageio">GeoToolsWriteParams</A></DL><P>Subclass of <A HREF="../../../../org/geotools/image/imageio/GeoToolsWriteParams.html" title="class in org.geotools.image.imageio"><CODE>GeoToolsWriteParams</CODE></A> the allows the user to specify parameters to control the process of writing out a GeoTiff file through standards <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageWriteParam.html" title="class or interface in javax.imageio"><CODE>ImageWriteParam</CODE></A> (with possible extensions). <p> This class allows the user to control the output tile size for the GeoTiff file we are going to create as well as the possible compression. <p> An example of usage of this parameters is as follows: <pre> <code> //getting a format final GeoTiffFormat format = new GeoTiffFormat(); //getting the write parameters final GeoTiffWriteParams wp = new GeoTiffWriteParams(); //setting compression to LZW wp.setCompressionMode(GeoTiffWriteParams.MODE_EXPLICIT); wp.setCompressionType("LZW"); wp.setCompressionQuality(0.75F); //setting the tile size to 256X256 wp.setTilingMode(GeoToolsWriteParams.MODE_EXPLICIT); wp.setTiling(256, 256); //setting the write parameters for this geotiff final ParameterValueGroup params = format.getWriteParameters(); params.parameter( AbstractGridFormat.GEOTOOLS_WRITE_PARAMS.getName().toString()) .setValue(wp); //get a reader to the input File GridCoverageReader reader = new GeoTiffReader(inFile, null); GridCoverageWriter writer = null; GridCoverage2D gc = null; if (reader != null) { // reading the coverage gc = (GridCoverage2D) reader.read(null); if (gc != null) { final File writeFile = new File(new StringBuffer(writedir .getAbsolutePath()).append(File.separatorChar) .append(gc.getName().toString()).append(".tiff") .toString()); writer = format.getWriter(writeFile); writer.write(gc, (GeneralParameterValue[]) params.values() .toArray(new GeneralParameterValue[1])); } </code> </pre><P><P><DL><DT><B>Since:</B></DT> <DD>2.3.x</DD><DT><B>Author:</B></DT> <DD>Simone Giannecchini</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A>⌨️ 快捷键说明
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