Actually, you know, it might be the constant open and close of the file.
You can open the file for write before the double loop
use the print statement to write out inside the double loop
then close after both loops have finished if that would work for you
On Wed, Oct 15, 2008 at 1:19 PM, Alex Segal <[EMAIL PROTECTED]> wrote:
>
> I would split the f.write line into two: one to query the data and do
> the format to a string, and the second one to f.write the string.
> Commenting out first and second would give the idea of which one to
> blame for slowing down.
>
> On Wed, Oct 15, 2008 at 8:12 AM, Horvátth Szabolcs
> <[EMAIL PROTECTED]> wrote:
>>
>> Hi,
>>
>> I'm doing some data exporting using a python scripted plugin command and
>> found the file output being very slow.
>> In a specific case the file write took 90 seconds and when I commented
>> the f.write() stuff (so the command only did the queries) it dropped to
>> 15 seconds.
>> This is the structure of the write part:
>>
>> for i in range(numberOfHairs):
>> ...
>> for j in range (numberOfPoints):
>> ...
>> f.write("\t\t%.3f %.3f %.3f %.3f %.3f %.3f %.3f %.3f %.3f
>> %.3f\n" % (A[j][0], A[j][1], A[j][2], B[j][0]-A[j][0], B[j][1]-A[j][1],
>> B[j][2]-A[j][2], C[j], D[j][0], D[j][1], D[j][2]))
>> f.close()
>>
>> Am I doing completely wrong? What can I do to speed up ascii file writing?
>>
>> Cheers,
>> Szabolcs
>>
>>
>>
>> >
>>
>
>
>
> --
> Alex "Sasha" Segal
> [EMAIL PROTECTED]
> http://www.alexsegal.net
>
> >
>
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Yours,
Maya-Python Club Team.
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