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TOPIC: vector time series

vector time series 1 year 3 weeks ago #42292

sina_gharavi_ OFFLINE Fresh Boarder Posts: 27	Hello, I need a vector time series to calculate velocity rose. I make the scalar time series, but I can't convert it into a vector. How can I create a vector time series(ts2 or ts4)? Thankful. sina
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vector time series 1 year 3 weeks ago #42293

c.coulet OFFLINE Moderator Posts: 3630 Thank you received: 1010	BK allow you to directly compute the velocity rose. Have a look to the BK manual. Regards
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vector time series 1 year 3 weeks ago #42300

sina_gharavi_ OFFLINE Fresh Boarder Posts: 27	Hello. thanks for your response. I have read the manual but I don't understand. If possible, give more guidance. In the manual, it says that time series should be vector.
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vector time series 1 year 3 weeks ago #42301

c.coulet OFFLINE Moderator Posts: 3630 Thank you received: 1010	Just try to visualize the extracted time series as a polar view instead of a simple time series... Regards
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vector time series 1 year 3 weeks ago #42304

Serrer
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Thank you received: 296

Hello,

Here are the steps to compute/view a velocity rose.

1. With a "VELOCITY UV" object in a 2D view.
2. Select the desired location of interest by double-clicking on a node or vectorTail
3. Right-click and select "Extract TimeSeries"
4. Right-click on the TimeSeries object in the WorkSpace and select "Extract Velocity Rose"
5. Modify the appropriate fields in the resulting dialog box to achieve the desired speed and direction distributions. (or use the defaults) and select OK
6. Open a "New Polar View"
7. Drag the Velocity Rose object created at step 5 into the new polar view.

The Velocity Rose can be saved as an ASCII VR1 file for further processing if required. Consult the manual appendix for an explanation of the file format.

Hope this helps... Martin

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vector time series 1 year 3 weeks ago #42306

Serrer OFFLINE Moderator Posts: 700 Thank you received: 296	A view of BK in action is attached here
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vector time series 1 year 3 weeks ago #42307

a.barton OFFLINE Moderator Posts: 521 Thank you received: 137	Which version of BK did you use Martin? The latest alpha may have an issue during extraction of the Velocity Rose from the time series
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vector time series 1 year 3 weeks ago #42311

Serrer OFFLINE Moderator Posts: 700 Thank you received: 296	Hi Alan, V3.5.1 from 2014 I can't build the latest because I don't have a Fortran compiler.
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vector time series 11 months 3 weeks ago #42525

a.barton OFFLINE Moderator Posts: 521 Thank you received: 137	The next release of Blue Kenue will have a fix for creating a Velocity Rose from a Vector Time Series More specifically, the fix will be in BK 3.12.8-alpha Kindly, Alan
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