Re: fastest way to read a text file in to a numpy array

2016-06-30 Thread Christian Gollwitzer
Am 30.06.16 um 17:49 schrieb Heli: Dear all, After a few tests, I think I will need to correct a bit my question. I will give an example here. I have file 1 with 250 lines: X1,Y1,Z1 X2,Y2,Z2 Then I have file 2 with 3M lines: X1,Y1,Z1,value11,value12, value13, X2,Y2,Z2,value21,value22

Re: fastest way to read a text file in to a numpy array

2016-06-30 Thread Heli
Dear all, After a few tests, I think I will need to correct a bit my question. I will give an example here. I have file 1 with 250 lines: X1,Y1,Z1 X2,Y2,Z2 Then I have file 2 with 3M lines: X1,Y1,Z1,value11,value12, value13, X2,Y2,Z2,value21,value22, value23,... I will need to

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Cody Piersall
On Tue, Jun 28, 2016 at 8:45 AM, Heli wrote: > Hi, > > I need to read a file in to a 2d numpy array containing many number of lines. > I was wondering what is the fastest way to do this? > > Is even reading the file in to numpy array the best method or there are > better approaches? > numpy.genf

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Michael Selik
On Tue, Jun 28, 2016 at 10:08 AM Hedieh Ebrahimi wrote: > File 1 has : > x1,y1,z1 > x2,y2,z2 > > > and file2 has : > x1,y1,z1,value1 > x2,y2,z2,value2 > x3,y3,z3,value3 > ... > > I need to read the coordinates from file 1 and then interpolate a value > for these coordinates on file 2 to the

Re: fastest way to read a text file in to a numpy array

2016-06-28 Thread Michael Selik
On Tue, Jun 28, 2016 at 9:51 AM Heli wrote: > Is even reading the file in to numpy array the best method or there are > better approaches? > What are you trying to accomplish? Summary statistics, data transformation, analysis...? -- https://mail.python.org/mailman/listinfo/python-list

fastest way to read a text file in to a numpy array

2016-06-28 Thread Heli
Hi, I need to read a file in to a 2d numpy array containing many number of lines. I was wondering what is the fastest way to do this? Is even reading the file in to numpy array the best method or there are better approaches? Thanks for your suggestions, -- https://mail.python.org/mailman/li