On 26/05/15 17:48, Joseph Lopez wrote:
I'm using a program that outputs a time-stamp in the format:
"HH:MM:SS;mil" where 'mil' is the 3-digit milisecond value. Currently,
I am using Excel to Multiply the various time values by their conversion
factor, then summing to produce the proper millisecond value:
HH*3600000+MM*3600+SS*1000+mil and THEN importing it into Veusz. Is
there a way to write a plugin or formula to do this automatically within
Veusz to save me that step?
Could I automatically subtract the 1st value from all subsequent values
so that my time starts at 0?
Yes - an import plugin could do all of that. Basically its job is to
read in the file and return to Veusz an object returning the list of
values. If you're comfortable writing Python, there's an example import
plugin on the wiki.
It could also be written as a dataset plugin which transformed a text
dataset into a numeric one. This would require an extra step in
importing, however. It wouldn't be useful unless you'd like to keep the
text in the program.
At some point I should write a regular expression import which would
allow this kind of data to be automatically transformed into a number.
Cheers
Jeremy
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