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13th December 2008, 19:15 | #1 | Link |
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Join Date: Mar 2008
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Plotting csv files
Hi, I wondered whether there is any way to use AviSynth to plot a csv array?
I have a 3-column csv file, with the first two columns containing the x and y coordinates. The third column contains the luminance values I would like to plot. If not with AviSynth; are there any free photoshop-type programs that will do this? |
13th December 2008, 23:22 | #2 | Link |
ffdshow/AviSynth wrangler
Join Date: Feb 2003
Location: Austria
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I would be surprised if PhotoShop supported this; your request sounds more like a job for MS Excel, OO.org Calc or perhaps gnuplot...
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14th December 2008, 02:09 | #3 | Link |
Compiling Encoder
Join Date: Jan 2007
Posts: 1,348
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well... some kind of avisynth filter (though would probably need to be developed) could do it...
but it would be more feasible to do it through one of the choices Leak mentioned, with OO.org (OpenOffice) Calc and gnuplot being the free options. |
14th December 2008, 21:36 | #8 | Link |
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Location: Italy
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Have a look at Gnuplot web site, there's a ton of demos, tutorials and documentation
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20th March 2011, 22:34 | #9 | Link |
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Join Date: Apr 2006
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what about if the data is csv data from gps, with speed data etx, that i would like to overlay over the video, that i was driving and at the same time recording the gps data?
so i am talking, i have a video of me snowboarding, and also csv data from my tracks (google android application), that i want to overlay over the video. any suggestions how can i access the csv in avisynth? |
21st March 2011, 13:42 | #10 | Link |
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Join Date: Jun 2010
Posts: 11
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Take a look at the ConditionalReader filter http://avisynth.org/mediawiki/ConditionalReader. It won't read .csv files directly, but it does provide a way to read the value of a variable from an external file for each frame. You might be able to combine that with <somefilter> that overlays the relevant data on your video.
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