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OK, now that I have figured out how to get my vector fields in qgis, I can't figure out how to reduce the number of vector arrows on the map. Is there a setting for how many vectors are sampled? Thanks.

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Oh well, I found a workaround by only putting every fifth data point into the csv file with my python program (exports netcdf to csv). Not ideally what I'd like to do, but I was in a hurry.

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You could possibly use the Layer->Query function on your full data-set instead, if you have a suitable attribute field you can use in a filter. – MappaGnosis Jan 18 '13 at 12:13
Thanks! I will try that for the future. – user14241 Jan 18 '13 at 17:42

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