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[Jan Stránský <question690741@xxxxxxxxxxxxxxxxxxxxx>]

Question #690741 on Yade changed:
https://answers.launchpad.net/yade/+question/690741

Jan Stránský proposed the following answer:
Hello,

> And I get this error:

this typically happens if you try to "save nothing", i.e. empty plot.data:
###
from yade import plot
print(plot.data) # returns empty dict, {}
plot.saveDataTxt("/tmp/test.txt") # the error you got
###
check how plot.data looks like at the time of saving

> I want to know if should I use hd5 format file instead of txt file?

it depends on you. After all, it is "just data" and both formats are
interchangeable.

cheers
Jan

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