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Diffstat (limited to 'man/man1/cs2cs.1')
| -rw-r--r-- | man/man1/cs2cs.1 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/man/man1/cs2cs.1 b/man/man1/cs2cs.1 index 61221389..bfebe8ea 100644 --- a/man/man1/cs2cs.1 +++ b/man/man1/cs2cs.1 @@ -2,7 +2,7 @@ .nr LL 5.5i .ad b .hy 1 -.TH CS2CS 1 "2000/03/21 Rel. 4.4" +.TH CS2CS 1 "2000/03/21 Rel. 4.4" .SH NAME cs2cs \- cartographic coordinate system filter .SH SYNOPSIS @@ -21,7 +21,7 @@ file[s] .I Cs2cs performs transformation between the source and destination cartographic coordinate system on a set of input points. The coordinate system -transformation can include translation between projected and geographic +transformation can include translation between projected and geographic coordinates as well as the application of datum shifts. .PP The following control parameters can appear in any order: @@ -75,7 +75,7 @@ that can be selected with .B +units or .B \-ld -list of datums that can be selected with +list of datums that can be selected with .B +datum. .TP .BI \-r @@ -121,13 +121,13 @@ and supplementary documentation for Release 4. .PP The \fIcs2cs\fR program requires two coordinate system definitions. The first (or primary is defined based on all projection parameters not -appearing after the \fB+to\fR argument. All projection parameters +appearing after the \fB+to\fR argument. All projection parameters appearing after the \fB+to\fR argument are considered the definition of the second coordinate system. If there is no second coordinate system defined, a geographic coordinate system based on the datum and ellipsoid of the source coordinate system is assumed. Note that the source and destination coordinate system can both be projections, both be geographic, or one of -each and may have the same or different datums. +each and may have the same or different datums. .PP Additional projection control parameters may be contained in two auxiliary control files: @@ -160,15 +160,15 @@ Input geographic data (longitude and latitude) must be in DMS or decimal degrees format and input cartesian data must be in units consistent with the ellipsoid major axis or sphere radius units. -Output geographic coordinates will normally be in DMS format (use -.B \-f %.12f +Output geographic coordinates will normally be in DMS format (use +.B \-f %.12f for decimal degrees with 12 decimal places), while projected (cartesian) coordinates will be in linear (meter, feet) units. .SH EXAMPLE The following script .RS 5 - \f(CWcs2cs +proj=latlong +datum=NAD83 + \f(CWcs2cs +proj=latlong +datum=NAD83 +to +proj=utm +zone=10 +datum=NAD27 \-r <<EOF 45d15'33.1" 111.5W 45d15.551666667N \-111d30 |