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+<HTML>
+<HEAD>
+<TITLE>EHEADER(1) manual page</TITLE>
+</HEAD>
+<BODY>
+<A HREF="#toc">Table of Contents</A><P>
+
+<H2><A NAME="sect0" HREF="#toc0">NAME </A></H2>
+eheader - display and modify headers of EPPL7 data files
+<H2><A NAME="sect1" HREF="#toc1">SYNOPSIS
+</A></H2>
+<B>eheader </B> options files <P>
+<B>maplist</B> files <P>
+<B>mapalign</B> base_file <B>[-v]</B> files
+<H2><A NAME="sect2" HREF="#toc2">DESCRIPTION
+</A></H2>
+Applies given editing commands to list of <B>epp</B> or <B>dgt</B> files. <P>
+Several commands
+are applicable to both file types and several to <B>epp</B> (raster) files only.
+No warning is issued when <B>dgt</B> file is processed during section when epp-specific
+commands used, becouse several epp-files can be processed at same time.
+<P>
+No warning is issued also when no editing commands given, therefore this
+utility can be used just for viewing header information. <P>
+When invoked as
+<B>maplist,</B> simply dumps headers of given files. <P>
+when invoked as <B>mapalign</B>
+performs same operations as with <B>-A </B> key, but only other option accepted
+is <B>-v.</B> This option may be given as before, as after base file. <P>
+ <P>
+
+<H2><A NAME="sect3" HREF="#toc3">UNIVERSAL
+OPTIONS </A></H2>
+This commands can be applied to both <B>dgt </B> (vector) and <B>epp</B> (raster)
+files.
+<DL>
+
+<DT><B>-v</B> </DT>
+<DD>- dumps file header information <B>after</B> applying any edit options
+to <I>stdout.</I> </DD>
+</DL>
+<P>
+
+<DL>
+
+<DT><B>-x increment</B> </DT>
+<DD> - shifts alternative x by <B>increment.</B> Increment
+can be any real number, both positive and negative. </DD>
+
+<DT><B>-y increment</B> </DT>
+<DD> - same
+with alternative y </DD>
+
+<DT><B>-s factor </B> </DT>
+<DD>- multiplies all coordinates by factor </DD>
+</DL>
+<P>
+This
+commands cannot be used together with explicit settings of some alternative
+coordinate limit.
+<DL>
+
+<DT><B>-Xl value</B> or <B>-XL value</B> </DT>
+<DD>- sets alternative x of left border
+to specified value </DD>
+
+<DT><B>-Xr value</B> or <B>-XR value</B> </DT>
+<DD>- same with right border </DD>
+
+<DT><B>-Yb value</B>
+or <B>-YB value</B>,<B>-Yt value</B> or <B>-YT</B> </DT>
+<DD>- same with bottom and top y </DD>
+
+<DT><B>-p name</B> </DT>
+<DD> - set
+projection type to name. Available projection types ( <B>EPPL7 version 3.0</B>
+) are: <blockquote></DD>
+
+<DT><B>none</B> </DT>
+<DD>- cause EPPL ver 3 to say "No alternate coordinates" </DD>
+
+<DT><B>utm</B>
+or <B>UTM</B> </DT>
+<DD>- UTM projection </DD>
+
+<DT><B>stplate </B> </DT>
+<DD>- state plane (projection for US state
+maps) </DD>
+
+<DT><B>ll </B> </DT>
+<DD>- latitude and longitude (geographic coordinates) </DD>
+</DL>
+ </blockquote>
+
+<H2><A NAME="sect4" HREF="#toc4">EPP SPECIFIC
+COMMANDS </A></H2>
+Following is applicable to EPP files only:
+<DL>
+
+<DT><B>-o n</B> </DT>
+<DD> - set offsite
+value to n. Value can be in range -32768 65535. Negative values are equivalent
+to 65536-abs(n). Values above 255, applied to <I>8-bit</I> data files are silently
+translated into -1 (no offsite) </DD>
+
+<DT><B>-fr n </B> </DT>
+<DD>- set first row to n and updates
+last row field respectively. </DD>
+
+<DT><B>-fc n</B> </DT>
+<DD> - set first column to n and updates
+last column field. </DD>
+
+<DT><B>-A filename </B> </DT>
+<DD>- align to specified file, i.e updates row/column
+coordinates so row and column with same number have same alternative coordinates.
+</DD>
+
+<DT><B>-a value</B> </DT>
+<DD>- set cell area to value. </DD>
+
+<DT><B>-c "string"</B> </DT>
+<DD> - fills description field
+of the header. String must be single command line argument, but not nessecary
+need quotes. </DD>
+
+<DT><B>-u name </B> </DT>
+<DD>- set area unit type, where unit type may be: <blockquote></DD>
+
+<DT><B>none
+</B> </DT>
+<DD>- cause EPPL ver 3 to say "No alternate coordinates" </DD>
+
+<DT><B>ft</B> </DT>
+<DD> - square feet
+</DD>
+
+<DT><B>m </B> </DT>
+<DD>- square meters </DD>
+
+<DT><B>km</B> </DT>
+<DD> - square kilometers </DD>
+
+<DT><B>mile - square miles</B> </DT>
+<DD></DD>
+
+<DT><B>ha</B> </DT>
+<DD> - hectares
+</DD>
+
+<DT><B>acre </B> </DT>
+<DD>- acres </DD>
+</DL>
+<P>
+This command does not perform any recalculation, it just
+update unit name field. Use <B>-a</B> command for change cell area value respectively.
+ </blockquote>
+
+<H2><A NAME="sect5" HREF="#toc5">OPTION COMPATIBILYTY </A></H2>
+Some options of <B>eheader</B> cannot coexist together
+in same command line. there are two groups of options with incompatibilities
+between subgroup of each group. <P>
+ First, options dealing with alternative
+coordinates. There are options <B>-Xl -Xr -Yt -Yb,</B> which set alternative coordinates
+explicitely, and options <B>-x -y -s,</B> which change coordinates by arithmetic
+calculations. Explicit and arithmetic changes of coordinates are not allowed
+simulateneously, becouse it is to hard to understand, which kind user
+want to apply first. <P>
+ Second, options dealing with row/column coordinates
+of <B>epp</B> files. Here there are options <B>-A</B> and <B>-fr -fc</B> which performs directly
+opposite task. (usially <B>-fr -lr</B> are used to set first row and column to
+one, to process file cutted from large file separately and <B>-A</B> to change
+it back to <B><A HREF="mosaic.1.html">mosaic</B>(1)</A>
+ file into larger one. <P>
+
+<H2><A NAME="sect6" HREF="#toc6">SEE ALSO </A></H2>
+<B><A HREF="lessa.1.html">lessa</B>(1)</A>
+, <B><A HREF="mappaint.1.html">mappaint</B>(1)</A>
+,
+<B><A HREF="mapcopy.1.html">mapcopy</B>(1)</A>
+ <B><A HREF="epp.5.html">epp</B>(5)</A>
+, <B><A HREF="dgt.5.html">dgt</B>(5)</A>
+
+<H2><A NAME="sect7" HREF="#toc7">BUGS </A></H2>
+No check is performed by <B>-fr</B> and <B>-lr</B> command
+to ensure that row/column values are in valid range. <P>
+<B>-A</B> command sometimes
+miscalculates one cell. (but EPPL ver 2.1 does the same).
+<H2><A NAME="sect8" HREF="#toc8">AUTHOR </A></H2>
+Vitus Wagner,
+<B>SoftWeyr.</B> <P>
+
+<HR><P>
+<A NAME="toc"><B>Table of Contents</B></A><P>
+<UL>
+<LI><A NAME="toc0" HREF="#sect0">NAME</A></LI>
+<LI><A NAME="toc1" HREF="#sect1">SYNOPSIS</A></LI>
+<LI><A NAME="toc2" HREF="#sect2">DESCRIPTION</A></LI>
+<LI><A NAME="toc3" HREF="#sect3">UNIVERSAL OPTIONS</A></LI>
+<LI><A NAME="toc4" HREF="#sect4">EPP SPECIFIC COMMANDS</A></LI>
+<LI><A NAME="toc5" HREF="#sect5">OPTION COMPATIBILYTY</A></LI>
+<LI><A NAME="toc6" HREF="#sect6">SEE ALSO</A></LI>
+<LI><A NAME="toc7" HREF="#sect7">BUGS</A></LI>
+<LI><A NAME="toc8" HREF="#sect8">AUTHOR</A></LI>
+</UL>
+</BODY></HTML>
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