« Return to Thread: Angle

Re: Angle

by Bingo :: Rate this Message:

Reply to Author | View in Thread

Ezequias Rodrigues da Rocha wrote:

> Ok, now I need to get the start and and point of a linestring feature.
> Could you tell me please ?
>
> Regards
> Ezequias
>
> Arnaud Lesauvage escreveu:
>> Ezequias Rodrigues da Rocha wrote:
>>> Hi list,
>>>
>>> Could someone tell me how to get an angle of a linestring feature ?
>>>
>>> Regards...
>>>
>>
>> The azimuth(geometry, geometry) function might be what you are looking
>> for.
>> Input geometries are points, so you might use
>> Azimuth(StartPoint(geometry), EndPoint(geometry)) if geometry is a
>> Linestring.
>>
>> http://postgis.refractions.net/docs/ch06.html#id2528534


What do you think these "StartPoint" and "EndPoint" functions do ?
Have you read the documentation at
http://postgis.refractions.net/docs/ ?
All you questions are answered there.


PS : Please, reply below the quotes. Thanks !

--
Arnaud

_______________________________________________
postgis-users mailing list
postgis-users@...
http://postgis.refractions.net/mailman/listinfo/postgis-users

 « Return to Thread: Angle