+.SH NAME
+
+projection \- Create and manipulate projection objects
+
+.SH SYNOPSIS
+
+\fB projection \fItype\fR ?\fIparameters\fR?
+
+.PP
+
+.SH DESCRIPTION
+
+.PP
+
+
+coordinates (latitude and longitude) into map projection coodrinates.
+.PP
+
+\fBprojection\fR command takes list of options and
+returns name of newly created projection object.
+
+
+(see \fBPROJECTION SUBCOMMANDS\fR below) used for manipulation +of projections. +
+.SH PROJECTION TYPES + +
+following types of projections: +
+\» list should be here +
+.SH PROJECTION OPTIONS +
+\» list should be here +
+.SH PROJECTION SUBCOMMANDS
+
+.TP 8
+
+\fIprojName \fBforward\fI long lat\fR
+
+recieves two arguments - geographic longitude and latitude as degrees in
+decimal format and returs list of two double values representing map
+coordinates in meters.
+
+.TP 8
+
+\fIprojName \fBbackward\fI X Y \fR
+
+performs backword transformation - given map coordinates in meters
+returns longitude and latitude in decimal degrees,
+.TP 8
+
+\fIprojName \fBformat\fI X Y\fR ?\fB-format\fI formatString\fR
+
+
+can contain following escapes sequences:
+
+.RS
+
+.TP
+
+\fB%lt\fR
+
+unsigned latitude in DDMMSS format
+
+.TP
+
+\fB%lg\fR
+
+unsigned longitude in DDMMSS format
+
+.TP
+
+\fB%-t\fR \fB%-g\fR
+
+optionally signed latitude and longitude in DDMMSS format
+.TP
+
+\fB%+t\fR \fB%+g\fR
+
+explicitely signed latitude and longitude in DDMMSS format
+.TP
+
+\fB%lG %lT %-G %-T %+G %+T\fR
+
+same as above, but in decimal fractions of degree
+.TP
+
+\fB%dl %dg\fR
+
+direction indicator - letters N and S for latitude and E and W for
+longitude (or some other national language values as defined in fgis.rc
+file).
+
+.RE
+
+
+
+.TP 8
+
+\fIprojName\fB dump\fR
+
+returns argumets for projection command used to create this projection
+object.
+
+.TP 8
+
+\fIprojName\fB delete\fR
+
+destroys projection object.
+
+.SH «SEE ALSO" +
+.BR proj «(1), « pj_init «(3), « transform (1) +
+ +
+