[GRASS-dev] Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

[Michael Barton]

On Mar 2, 2008, at 7:40 PM, Dylan Beaudette wrote:

> On Sunday 02 March 2008, Michael Barton wrote:
>> On Mar 2, 2008, at 6:15 PM, Helena Mitasova wrote:
>>> This reminds me - was the patch below submitted to SVN?
>>> Do we have a procedure (dedicated person) for keeping
>>> track of patches submitted through track
>>> and making sure they get submitted if appropriate?
>>>
>>> This angle is also needed to derive pre-defined flow (e.g.
>>> ditches or pipes that are not in the DEM) as inputs into simwe -
>>> I used m.cogo for that but d.measure is much more convenient.
>>>
>>> Thanks for adding it,
>>
>> I just tried to check out any updates to d.measure and found that it
>> doesn't run on my Mac. It produces a bus error. I don't need it, but
>> folks should be aware of this.
>>
>> Michael
>
> I do not have access to a Mac, but the module seems to compile and  
> run fine on
> Linux x86.
>
> Could it be the call to atan2() -- perhaps the math library is not  
> accessed
> the same way on Mac OS X ?

I don't know. It compiled fine. Just won't run.

Michael