Opened 15 years ago

Last modified 8 years ago

#489 new defect

g.setproj: sets proj info with missing UTM zone — at Initial Version

Reported by: hamish Owned by: grass-dev@…
Priority: major Milestone: 6.4.6
Component: Projections/Datums Version: 6.4.0 RCs
Keywords: g.setproj Cc:
CPU: x86-32 Platform: Linux

Description

Hi,

with g.setproj it is possible to set the region so that the resulting PROJ_INFO file is missing the zone: field. Perhaps this is because 'g.region -p' says the zone is -55 while g.proj had 55(S)?

G640rc2> g.setproj
...
Would you still like to change some of the parameters?(y/n) [n] y
WARNING: Zone in default geographic region definition: -55
         is different from zone in PROJ_INFO file: 55
...
Please specify projection name
>utm

[ do we want a space after the '>' prompt? ]

Do you wish to specify a geodetic datum for this location?(y/n) [y] y

Please specify datum name
>custom

[I did want the datum to be Australia GD 1994, but that's not a choice]

Please specify ellipsoid name
>grs80

Please specify datum transformation parameters
>towgs84=0,0,0

Parameters to be used are:
"towgs84=0,0,0"
Is this correct?(y/n) [y] y
South Hemisphere(y/n) [n] y
The UTM zone is now set to 55
Do you want to change the UTM zone?(y/n) [n] n
UTM zone information has not been updated

Projection information has been recorded for this location

then

 g.proj -p
-PROJ_INFO-------------------------------------------------
name       : Universe Transverse Mercator
towgs84    : 0,0,0
proj       : utm
ellps      : grs80
a          : 6378137.0000000000
es         : 0.0066943800
f          : 298.2572221010
south      : defined
-PROJ_UNITS------------------------------------------------
unit       : meter
units      : meters
meters     : 1.0

and then r.in.gdal segfaults when attempting the matching proj settings comparison. (strcmp() missing key value in lib/gis/make_loc.c)

Hamish

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