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| author | Frank Warmerdam <warmerdam@pobox.com> | 2000-03-27 15:48:42 +0000 |
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| committer | Frank Warmerdam <warmerdam@pobox.com> | 2000-03-27 15:48:42 +0000 |
| commit | 39c915436fc08073c4303e1404c9df6c8af6e730 (patch) | |
| tree | 859d73533275a40c95c0930f8b04e4cd180633fd /html | |
| parent | fa5a9250c476daa3ff68bfe03cb4e9f62e0766c9 (diff) | |
| download | PROJ-39c915436fc08073c4303e1404c9df6c8af6e730.tar.gz PROJ-39c915436fc08073c4303e1404c9df6c8af6e730.zip | |
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diff --git a/html/man_proj.html b/html/man_proj.html new file mode 100644 index 00000000..381623cf --- /dev/null +++ b/html/man_proj.html @@ -0,0 +1,417 @@ +<HTML><HEAD><TITLE>Manpage of PROJ</TITLE> +</HEAD><BODY> +<H1>PROJ</H1> +Section: User Commands (1)<BR>Updated: 2000/03/21 Rel. 4.4<BR><A HREF="index.html">Index</A> + +<H2>NAME</H2> + +proj - forward cartographic projection filter +<BR> + +invproj - inverse cartographic projection filter +<A NAME="lbAC"> </A> +<H2>SYNOPSIS</H2> + +<B>proj</B> + +[ +<B>-bceEfiIlmorsStTvVwW</B> + +[ +<I>args</I> + +] ] [ +<B>+args</B> + +] +file[s] +<BR> + +<B>invproj</B> + +[ +<B>-bceEfiIlmorsStTwW</B> + +[ +<I>args</I> + +] ] [ +<B>+args</B> + +] +file[s] +<A NAME="lbAD"> </A> +<H2>DESCRIPTION</H2> + +<I>Proj</I> + +and +<I>invproj</I> + +perform respective forward and inverse transformation of cartographic data +to or from cartesian data with a wide range of selectable projection functions. +<P> + +The following control parameters can appear in any order: +<DL COMPACT> +<DT><B>-b</B> + +<DD> +Special option for binary coordinate data input and output +through standard input and standard output. +Data is assumed to be in system type +<I>double</I> + +floating point words. +This option is to be used when +<B>proj</B> + +is a +<I>son</I> + +process and allows bypassing formatting operations. +<DT><B>-i</B> + +<DD> +Selects binary input only (see +<B>-b option).</B> + +<DT><B>-I</B> + +<DD> +alternate method to specify inverse projection. +Redundant when used with +<B>invproj.</B> + +<DT><B>-o</B> + +<DD> +Selects binary output only (see +<B>-b option).</B> + +<DT><B>-t</B><I>a</I> + +<DD> +<I>A</I> + +specifies a character employed as the first character to denote +a control line to be passed through without processing. +This option applicable to ascii input only. +(# is the default value). +<DT><B>-e</B><I> string</I> + +<DD> +<I>String</I> + +is an arbitrary string to be output if an error is detected during +data transformations. +The default value is: *\t*. +Note that if the +<B>-b,</B> + +<B>-i</B> + +or +<B>-o</B> + +options are employed, an error is returned as HUGE_VAL +value for both return values. +<DT><B>-E</B> + +<DD> +causes the input coordinates to be copied to the output line +prior to printing the converted values. +<DT><B>-l</B><I>[p|P|=|e|u]</I><B>id</B> + +<DD> +List projection identifiers with +<B>-l,</B> + +<B>-lp</B> + +or +<B>-lP (expanded)</B> + +that can be selected with +<B>+proj.</B> + +<B>-l=</B><I>id</I> + +gives expanded description of projection +<I>id.</I> + +List ellipsoid identifiers with +<B>-le,</B> + +that can be selected with +<B>+ellps</B> + +or +<B>-lu</B> + +list of cartesian to meter conversion factors +that can be selected with +<B>+units.</B> + +<DT><B>-r</B> + +<DD> +This options reverses the order of the +expected input from longitude-latitude or x-y to latitude-longitude or y-x. +<DT><B>-s</B> + +<DD> +This options reverses the order of the +output from x-y or longitude-latitude to y-x or latitude-longitude. +<DT><B>-S</B> + +<DD> +Causes estimation of +<I>meridinal</I> + +and +<I>parallel</I> + +scale factors, +<I>area</I> + +scale factor and +<I>angular distortion,</I> + +and +<I>maximum</I> + +and +<I>minimum</I> + +scale factors to be listed between <> for each input point. +For conformal projections meridinal and parallel scales factors +will be equal and angular distortion zero. +Equal area projections will have an area factor of 1. +<DT><B>-m</B><I> mult</I> + +<DD> +The cartesian data may be scaled by the +<I>mult</I> + +parameter. +When processing data in a forward projection mode the +cartesian output values are multiplied by +<I>mult</I> + +otherwise the input cartesian values are divided by +<I>mult</I> + +before inverse projection. +If the first two characters of +<I>mult</I> + +are 1/ or 1: then the reciprocal value of +<I>mult</I> + +is employed. +<DT><B>-f</B><I> format</I> + +<DD> +<I>Format</I> + +is a +<I>printf</I> + +format string to control the form of the output values. +For inverse projections, the output will be in degrees when this option +is employed. +If a format is specified for inverse projection the +output data will be in decimal degrees. +The default format is "%.2f" for forward projection and DMS +for inverse. +<DT><B>-[w|W]</B><I>n</I> + +<DD> +<I>N</I> + +is the number of significant fractional digits to employ for +seconds output (when the option is not specified, +<B>-w3</B> + +is assumed). +When +<B>-W</B> + +is employed the fields will be constant width and with leading zeroes. +<DT><B>-v</B> + +<DD> +causes a listing of cartographic control parameters tested for and +used by the program to be printed prior to input data. +Should not be used with the +<B>-T</B> + +option. +<DT><B>-V</B> + +<DD> +This option causes an expanded annotated listing of the characteristics +of the projected point. +<B>-v is implied with this option.</B> + +<DT><B>-T</B><I> ulow,uhi,vlow,vhi,res[,umax,vmax]</I> + +<DD> +This option creates a set of bivariate Chebyshev polynomial +coefficients that approximate the selected cartographic projection on +<I>stdout.</I> + +The values +<I>low</I> + +and +<I>hi</I> + +denote the range of the input where the +<I>u</I> + +or +<I>v</I> + +prefixes apply to respective longitude-x or latitude-y +depending upon whether a forward or inverse projection is selected. +<I>Res</I> + +is an integer number specifying the power of 10 precision of the +approximation. +For example, a +<I>res</I> + +of -3 specifies an approximation with an accuracy better than .001. +<I>Umax,</I> + +and +<I>vmax</I> + +specify maximum degree of the polynomials (default: 15). +See also: +<B><A HREF="http://localhost/cgi-bin/man/man2html?1+fproj">fproj</A>(1).</B> + +</DL> +<P> + +The +<B>+args</B> + +run-line arguments are associated with cartographic parameters +and usage varies with projection and for a complete description see +<I>Cartographic Projection Procedures for the UNIX Environment---A User's Manual )</I> + +and supplementary documentation for Release 4. +<P> + +Additional projection control parameters may be contained in two +auxilliary control files: +the first is optionally referenced with the +<B>+init=</B><I>file:id</I> + +and the second is always processed after the name +of the projection has been established from either the run-line +or the contents of +<B>+init</B> + +file. +The environment parameter +<B>PROJ_LIB</B> + +establishes the default directory for a file reference without +an absolute path. +<P> + +One or more +<I>files</I> + +(processed in left to right order) +specify the source of data to be transformed. +A - will specify the location of processing standard input. +If no files are specified, the input is assumed to be from +<I>stdin.</I> + +For ASCII input data the two data values must be in the +first two white space separated fields and +when both input and output are ASCII all trailing portions +of the input line are appended to the output line. +<P> + +Input geographic data +(longitude and latitude) must be in DMS format and input +cartesian data must be in units consistent with the ellipsoid +major axis or sphere radius units. +Output geographic coordinates will be in DMS +(if the +<B>-w</B> + +switch is not employed) and precise to 0.001" +with trailing, zero-valued minute-second fields deleted. +<A NAME="lbAE"> </A> +<H2>EXAMPLE</H2> + +The following script +<DL COMPACT><DT><DD> +<BR> <TT>proj +proj=utm +lon_0=112w -r <<EOF +<BR> 45d15'33.1"<TT> </TT>111.5W<BR> +<BR> 45d15.551666667N<TT> </TT>-111d30<BR> +<BR> +45.25919444444<TT> </TT>111d30'000w<BR> +<BR> EOF</TT> +</DL> + +will perform UTM forward projection with a standard UTM +central meridian nearest longitude 112°W. +The geographic values of this example are equivalent and meant +as examples of various forms of DMS input. +The x-y output data will appear as three lines of: +<DL COMPACT><DT><DD> +<BR> <TT>460769.27<TT> </TT>5011648.45<BR> +</DL> + +</TT><A NAME="lbAF"> </A> +<H2>SEE ALSO</H2> + +<I>Cartographic Projection Procedures for the UNIX Environment---A User's Manual,</I> + +(Evenden, 1990, Open-file report 90-284). +<BR> + +<I>Map Projections Used by the U. S. Geological Survey</I> + +(Snyder, 1984, +USGS Bulletin 1532). +<BR> + +<I>Map Projections---A Working Manual</I> + +(Synder, 1988, USGS Prof. Paper 1395). +<BR> + +<I>An Album of Map Projections</I> + +(Snyder & Voxland, 1989, USGS Prof. Paper 1453). +<A NAME="lbAG"> </A> +<H2>HOME PAGE</H2> + +<A HREF="http://www.remotesensing.org/proj">http://www.remotesensing.org/proj</A> +<P> + +<HR> +<A NAME="index"> </A><H2>Index</H2> +<DL> +<DT><A HREF="#lbAB">NAME</A><DD> +<DT><A HREF="#lbAC">SYNOPSIS</A><DD> +<DT><A HREF="#lbAD">DESCRIPTION</A><DD> +<DT><A HREF="#lbAE">EXAMPLE</A><DD> +<DT><A HREF="#lbAF">SEE ALSO</A><DD> +<DT><A HREF="#lbAG">HOME PAGE</A><DD> +</DL> +<HR> +This document was created by +<A HREF="http://localhost/cgi-bin/man/man2html">man2html</A>, +using the manual pages.<BR> +Time: 15:44:01 GMT, March 27, 2000 +</BODY> +</HTML> |