Re: [idvusers] painting map lines on 3D topography

• To: "idvusers@xxxxxxxxxxxxxxxx" <idvusers@xxxxxxxxxxxxxxxx>
• Subject: Re: [idvusers] painting map lines on 3D topography
• From: Julien Chastang <chastang@xxxxxxxx>
• Date: Fri, 3 Oct 2014 10:49:57 -0600

List,

Several of you are reporting trouble (online and off) rendering the 3D map
so I put together this quick screencast on how to do that:
http://youtu.be/HoCCmYqFu6w

Let us know if you have questions or concerns.

Best,

Unidata IDV Support

On Fri, Oct 3, 2014 at 8:25 AM, Murray Brown <m.brown.nsb@xxxxxxxxx> wrote:

> Guys,
>
> I'm finding that the devil is in the line " For the Topography, the IDV
> will
> recognize Geopotential height at surface. If not, you need to pick the
> appropriate field from the 2D fields."  I have a regional relief grid with
> lat/lon coordinates, and have tried to overlay both the World Borders shape
> (also lat/lon) and a home-made graticule shape (also lat/lon).  I can
> easily
> select the FIELD: MAPDATA item (the shape), but have no idea what to do for
> the FIELD: TOPOGRAPHY item.  IDV offers me a list of "formula" items, but
> none appears to match up with my relief grid.  No matter what I select, I
> get the error message that the units don't match up ("m or gpm").   Any
> ideas?
>
> Murray
>
> -----Original Message-----
> From: idvusers-bounces@xxxxxxxxxxxxxxxx
> [mailto:idvusers-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Julien Chastang
> Sent: Thursday, October 02, 2014 12:13 PM
> To: David Ahijevych
> Cc: idvusers
> Subject: Re: [idvusers] painting map lines on 3D topography
>
> David,
>
> We have some additional clarifying remarks for you and the list. You will
> need to obtain a shape file for the region of interest. We found these to
> be
> abundant on the web. Here is one for the US states:
>
> http://www.arcgis.com/home/item.html?id=f7f805eb65eb4ab787a0a3e1116ca7e5
>
> Please load the states.shp file in the Data Choosers as you would other
> data. Also load your model data, for example 1/2 degree GFS. Once your data
> are loaded, go to the 3D Map formula in the place described earlier and
> choose a "Topography" display. Click "Create Display". You will see a
> dialog
> where you have to enter MapData and Topography. Choose the shapefile for
> the
> MapData. For the Topography, the IDV will recognize Geopotential height at
> surface. If not, you need to pick the appropriate field from the 2D fields.
>
> Let us know if you have additional questions or concerns.
>
> Best,
>
> Unidata IDV Support
>
>
> On Wed, Oct 1, 2014 at 4:27 PM, Julien Chastang <chastang@xxxxxxxx> wrote:
>
> > Dave,
> >
> > After your data are loaded, please study the IDV Dashboard, Field
> > Selector Tab, Formulas Node (in the Data Sources), Maps, 3D Map.
> >
> > Also please attend the IDV workshop November 3-6. We are just down the
> > road :-)
> >
> > Best,
> >
> > Unidata IDV Support
> >
> >
> > On Wed, Oct 1, 2014 at 10:50 AM, David Ahijevych <ahijevyc@xxxxxxxx>
> > wrote:
> >
> >> I'd like to render the map lines along the 3D surface, as if they
> >> were painted on.  At different viewing angles, the lines should
> >> appear stuck to the same surface location.
> >>
> >> As it is now, either my state borders are obscured by the topography
> >> or if I raise the vertical position of the state borders, they give
> >> the impression of "floating" above the topography or cutting through it.
> >>
> >>  I know you can render images on a 3D surface but can you render maps
> >> on a 3D surface?
> >>
> >> Thanks
> >> Dave
> >> _______________________________________________
> >> idvusers mailing list
> >> idvusers@xxxxxxxxxxxxxxxx
> >> For list information, to unsubscribe, visit:
> >> http://www.unidata.ucar.edu/mailing_lists/
> >>
> >
> >
> >
> > --
> > Julien Chastang
> > Scientific Software Developer
> > Unidata-UCAR
> >
>
>
>
> --
> Julien Chastang
> Scientific Software Developer
> Unidata-UCAR
> _______________________________________________
> idvusers mailing list
> idvusers@xxxxxxxxxxxxxxxx
> For list information, to unsubscribe, visit:
> http://www.unidata.ucar.edu/mailing_lists/
>

• Follow-Ups:
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    • From: Murray Brown

• References:
  • [idvusers] painting map lines on 3D topography
    • From: David Ahijevych
  • Re: [idvusers] painting map lines on 3D topography
    • From: Julien Chastang
  • Re: [idvusers] painting map lines on 3D topography
    • From: Julien Chastang
  • Re: [idvusers] painting map lines on 3D topography
    • From: Murray Brown