[OSRS-PROJ] nad2nad command syntax

Frank Warmerdam warmerdam at pobox.com
Wed Apr 10 09:18:07 EDT 2002

Jack Bowling wrote:
 > So I try:
 > # nad2nad -i 83,utm=10 -o 27,utm=10 -r ntv1_can -
 > Rel. 4.4.5, 9 January 2002
 > <nad2nad>:
 > datum file: ntv1_can, failed: no system list, errno: 2
 > program abnormally terminated
 > A check of my /usr/local/src/proj4*/nad directory reveals the following files:
 > # ls
 > alaska.lla  hawaii.lla   nad27          pj_out83.dist          README.NADUS  test83
 > conus.lla   Makefile     nad83          proj_def.dat           stgeorge.lla  TN.lla
 > epsg        Makefile.am  nad.lst        proj-nad27-1.1.tar.gz  stlrnc.lla    WI.lla
 > FL.lla      Makefile.in  ntv1_can.dat   prvi.lla               stpaul.lla    WO.lla
 > GL27        MD.lla       pj_out27.dist  README                 test27        world
 > Was an ntv1_can.lla file supposed to have been created during the compile?


The ntv1_can.dat file is in a different format than the US files, and doesn't
work with nad2nad but does work with cs2cs. At least I think that is the issue.

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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