OMG, I'm sorry, I've confused the whole thing. I'm awake for a long long time. Way too long.
Mathieu, sorry for the trouble. On Sat, Sep 29, 2012 at 1:28 AM, <basi...@ase-research.org> wrote: > Not weird for me: the max distance is between (1,1) and (-1,-1), which is > sqrt(2^2 + 2^2) = 2.828427 > At least, that's what Pythagoras told me once :) > > Mathieu. > > > Le 28/09/2012 23:58, George Silva a écrit : > >> Hey guys, weird results here... >> >> Check this: >> >> SELECT ST_MaxDistance( >> ST_MakeLine(ST_MakePoint(0,0),**ST_MakePoint(1,1)), >> ST_MakeLine(ST_MakePoint(0,0),**ST_MakePoint(-1,-1))); >> -- 2.82842712474619 (this corresponds to 2x sqrt(2)?) >> >> For me the max distance between these polylines is 2. >> >> Or am I expecting something diferent for this function? >> >> Thanks >> >> -- >> George R. C. Silva >> >> Desenvolvimento em GIS >> http://geoprocessamento.net >> http://blog.geoprocessamento.**net <http://blog.geoprocessamento.net> >> >> >> >> ______________________________**_________________ >> postgis-users mailing list >> postgis-users@postgis.**refractions.net<postgis-users@postgis.refractions.net> >> http://postgis.refractions.**net/mailman/listinfo/postgis-**users<http://postgis.refractions.net/mailman/listinfo/postgis-users> >> > > -- > > ~$ whoami > Mathieu Basille, Post-Doc > > ~$ locate > Laboratoire d'Écologie Comportementale et de Conservation de la Faune > + Centre d'Étude de la Forêt > Département de Biologie > Université Laval, Québec > > ~$ info > http://ase-research.org/**basille <http://ase-research.org/basille> > > ~$ fortune > ``If you can't win by reason, go for volume.'' > Calvin, by Bill Watterson. > -- George R. C. Silva Desenvolvimento em GIS http://geoprocessamento.net http://blog.geoprocessamento.net
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