[Proj] 4.7.1 bug report

[Markus Neteler]

Frank,

On Sun, Oct 3, 2010 at 6:22 PM, Frank Warmerdam <warmerdam at pobox.com> wrote:
> Markus Neteler wrote:
>> On Sun, Oct 3, 2010 at 5:24 PM,  <support.mn at elisanet.fi> wrote:
>>> Hello,
>>>
>>> I just switched back to version 4.6.0 (21 Dec 2007) which
>>> seems to work correctly. I was testing version 4.7.1 but
>>> it started to produce random (!!??) datums shift errors.
>>> Randomly datum shift returns HUGE_VAL without any
>>> reason for release version - debug version seems to
>>> work better. I did not check any more but switched back
>>> to 4.6.0 which seems to work well all the time.
>>>
>>> Reason is so far unknown.
>>
>> In case that 4.7.1 corresponds to trunk, I can report that it
>> is broken for GRASS GIS (4.7.0 works). The problem seems
>> to be the change
>>  "roll projCtx through various other low level functions"
>>
>> Consider to try 4.7.0 which is the latest published version.
>> Maybe trunk is yet in transition.
>
> Markus / Janne,
>
> I am not aware of trunk being broken.  A bug report with something I can
> reproduce and fix would be quite helpful.

I have submitted my observation as
http://trac.osgeo.org/proj/ticket/81

Best regards,
Markus