[OSRS-PROJ] nad2nad command syntax

Frank Warmerdam warmerdam at pobox.com
Mon Apr 8 09:42:44 EDT 2002

Jack Bowling wrote:
> I have installed the linux Intel binary rpms from the Proj homepage.
> Everything installed well on my redhat 7.2 box. However, when I try
> to perform some UTM conersions as per the man page, this is what I
> get:
> # nad2nad -i,83,UTM=10,-o,27,UTM=10 -
> Rel. 4.4.0, 21 March 2000
> <nad2nad>:
> invalid selection
> program abnormally terminated
> As far as I can tell from the man page and reading the mailing list 
> archives, the syntax is correct. Could the problem be that the data
> for the part of Canada that I am attempting to convert is not
> compiled into the binary version?


It looks like the nad2nad argument parsing is case sensitive, so you should
be doing:

% nad2nad -i,83,utm=10,-o,27,utm=10 -

BTW, a similar effect can be had from the cs2cs command.

% cs2cs +proj=utm +zone=10 +datum=NAD83 +to +proj=utm +zone=10 +datum=NAD27

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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