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[IDV #ZCS-923814]: Plotting Wave Directions

Matt,

It is definitely possible to make this easier for your end user by creating an
IDV plugin on their behalf, once you have done the hard work. In this case, go
to Tools --> Plugin Creator. In the Plugin Creator dialog, go to the File -> Add
File menu item. (At this point, you should be in the .unidata\idv\DefaultIDV
folder.) Add aliases.xml and derived.xml to capture the work we have done thus
far. Then you will want to write the plugin to a file -- something like
"wave.jar".  I believe, the ".jar" extension is important.

At this point you can tell your users to install the plugin via the Tools -->
Plugin Manager. Go to File -> Install Plugin From File.

In addition, you could have your wave.jar plugin on the web somewhere for your
users and tell them to install it via Install Plugin From URL.

Best,

Unidata IDV Support

> Hello,
> 
> Quite a few steps. I was able to get this working. I don't foresee my clients 
> being able to do this, unfortunately. I really appreciate you going above and 
> beyond to get this working.
> 
> I guess the ultimate goal would be to have a Wave Direction parameter already 
> built in (similar to Wind Direction) and I just add my 
> \\*/Primary_wave_direction_surface as an alias of that parameter. Then I'd 
> already get this Dervied formula to plot the flow vectors. I bet I'm 
> simplifying a lot of things and it's probably a lot more difficult but that 
> would be awesome if this was in a future update.
> 
> 
> Thanks again,
> Matt Muscato
> 
> -----Original Message-----
> From: Unidata IDV Support [mailto:address@hidden]
> Sent: Wednesday, March 02, 2016 22:00
> To: Matthew Muscato <address@hidden>
> Cc: address@hidden
> Subject: [IDV #ZCS-923814]: Plotting Wave Directions
> 
> Matt,
> 
> For posterity's sake, let's recap where we are. The IDV has the ability to 
> plot
> the wave directions via the Formulas interface. However, this is a tedious
> process and you would rather go via the Field Selector, Derived node just as 
> we
> do for the U and V data. This is possible but very tricky and undocumented as
> far as I can tell.
> 
> First, create an alias for wave direction similar to what we did for U and V 
> in
> our previous correspondence (e.g., DIR = \\*/Primary_wave_direction_surface).
> 
> Now go to Edit -> Formulas -> Create Formula
> 
> Now see the attached formula1.png and formula2.png. Follow what is shown there
> *very* carefully. If you miss even a single character, or change an upper-case
> to lower-case (or vice versa) it may not work. Don't forget any check boxes
> either.
> 
> To get to that second "Define Output Categories" dialog, click on the "Define
> Output Categories" button in the Formula Editor Dialog.
> 
> Once you have created your formula, go to the IDV dashboard, Field Selector 
> Tab.
> Right-click on your wave data source, and "Reload Data". At that point, you
> should get the result shown in wave.png (see attached)
> 
> Best,
> 
> Unidata IDV Support
> 
> 
> > Hello,
> >
> > I just uploaded the file. Thanks!
> >
> > -----Original Message-----
> > From: Unidata IDV Support [mailto:address@hidden]
> > Sent: Wednesday, March 02, 2016 16:28
> > To: Matthew Muscato <address@hidden>
> > Cc: address@hidden
> > Subject: [IDV #ZCS-923814]: Plotting Wave Directions
> >
> > Matt,
> >
> > Please upload your newest file with the wave directions to
> >
> > http://motherlode.ucar.edu/repository/alias/idvupload
> >
> > Best,
> >
> > Unidata IDV Support
> >
> > > Sorry for the confusion. When I go to the Waves section (not Momentum) I 
> > > want to plot the Primary wave direction (circled in red). That does not 
> > > give me a Flow display. It's a vector field (radian values for direction) 
> > > so I want to easily pick a vector plan view from the displays.
> > >
> > > -----Original Message-----
> > > From: Unidata IDV Support [mailto:address@hidden]
> > > Sent: Tuesday, March 01, 2016 20:23
> > > To: Matthew Muscato <address@hidden>
> > > Cc: address@hidden
> > > Subject: [IDV #ZCS-923814]: Plotting Wave Directions
> > >
> > > Matt,
> > >
> > > I am still not clear on why the Derived formulas will not work for
> > > you. Ultimately the data are derived from u and v.  See the attached 
> > > figure just
> > > so we are on the same page.
> > >
> > > But any rate, if there is something you prefer in the Formulas, but would 
> > > rather
> > > avoid the tedium of going via the Formulas interface, the IDV has the 
> > > capability
> > > of putting whatever formula you want under the Derived node. See these
> > > instructions:
> > >
> > > https://www.unidata.ucar.edu/software/idv/docs/workshop/formulas/DerivedData.html
> > >
> > > It a little tricky, but doable. I can give you help in this area if you 
> > > need (and
> > > if so, please supply the formula you want).
> > >
> > > Best,
> > >
> > > Unidata IDV Support
> > >
> > > > Hello,
> > > >
> > > > There isn't really anything different between the two. The sea 
> > > > direction variable is the direction of waves in radians. Basically, 
> > > > when I click on the "Primary wave direction @ Ground or water surface" 
> > > > field, I would like to just plot a Flow Display with the arrows on the 
> > > > map without needing to go into formulas and such. It's not really a 
> > > > parameter you would contour. You want to see the actual direction it's 
> > > > representing.
> > > >
> > > >
> > > > Matt
> > > >
> > > > -----Original Message-----
> > > > From: Unidata IDV Support [mailto:address@hidden]
> > > > Sent: Tuesday, March 01, 2016 18:12
> > > > To: Matthew Muscato <address@hidden>
> > > > Cc: address@hidden
> > > > Subject: [IDV #ZCS-923814]: Plotting Wave Directions
> > > >
> > > > Matt,
> > > >
> > > > Can you explain to me the difference between wind direction and sea 
> > > > direction?
> > > >
> > > > I am trying to understand why the options under the derived node in the 
> > > > IDV
> > > > field selector are not suitable where there are several options to plot 
> > > > as
> > > > vectors (granted they are called "wind")?
> > > >
> > > > Best,
> > > >
> > > > Unidata IDV Support
> > > >
> > > > > Full Name: Matt Muscato
> > > > > Email Address: address@hidden
> > > > > Organization: Weather Routing, Inc.
> > > > > Package Version: 5.2 build date:2015-08-26 18:19 UTC
> > > > > Operating System: Windows 7
> > > > > Hardware: Java: home: C:\Program Files\IDV_5.2\jre version: 1.8.0_45 
> > > > > j3d:1.6.0-pre9-daily-experimental daily
> > > > > Description of problem:
> > > > >
> > > > > Hello again IDV Viewer Support!
> > > > >
> > > > > I'd like to plot wave directions as vectors. I'm not given any options
> > > > > to do so. I also don't see any parameters for sea directions. I did 
> > > > > set
> > > > > my wave direction parameter to wind direction and plot the vectors 
> > > > > that
> > > > > way, but that's not ideal.
> > > > >
> > > > > Any thoughts on how i can plot wave directions?
> > > > >
> > > > > Thanks!
> > > > >
> > > > >
> > > >
> > > >
> > > > Ticket Details
> > > > ===================
> > > > Ticket ID: ZCS-923814
> > > > Department: Support IDV
> > > > Priority: Normal
> > > > Status: Closed
> > > >
> > > >
> > >
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: ZCS-923814
> > > Department: Support IDV
> > > Priority: Normal
> > > Status: Closed
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: ZCS-923814
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: ZCS-923814
> Department: Support IDV
> Priority: Normal
> Status: Closed
> 


Ticket Details
===================
Ticket ID: ZCS-923814
Department: Support IDV
Priority: Normal
Status: Closed