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[IDV #JOH-888693]: Disabling Adaptive Resolution

> Well, I appended that variable to a file with the attributes of the other
> variables (they are all the same), specifically so IDV would accept the
> file. I don't believe you have the difference plotted, but if you are
> implying regardless of AR, it shouldn't work because of attributes, it
> works for me with it on, and not off. So how did you overcome that if that
> is really the problem (you must have as you made a plot)?
> 
> Mason

Hi Mason,

The IDV should work regardless of attributes for this file, but without the 
missing value attribute for this
QPESum, the range of the color table is set to (0 - 9.969E36). This is way you 
get the all gray color in
the color shaded display. This really has nothing to do with AR, I wrote the 
code and I can assure you.
Right click on the color bar to change the range to 0 and 1 and you will get 
the good image.


Yuan

> 
> address@hidden> wrote:
> 
> > > All,
> > >
> > > For completeness, I did get a response on the other thread before this
> > one,
> > > which I'll paste below. I didn't work (I set the range of the two fields
> > I
> > > thought I should in that table very high: rain and rainfall".). You will
> > > find in the data I upload that the difference of the nwm qpesum and the
> > > abrfc qpesum (which is what I'm trying to get the highest resolution plot
> > > of) has a very high end range to begin with (I think the summed masked
> > > region got blown up outside our RFC boundary). When adaptive resolution
> > is
> > > on, I have no problem overcoming that by editing the color table and
> > > setting a range, and also fixing the visible range. No such luck with it
> > > turned off.
> > >
> >
> > I checked your dataset and here is my finding:
> >
> > there are three variables: temperature, precip, and qpesum. You should be
> > able to get what you wanted for temperature and precip,
> > these two variables are in good shaped. There should be no difference
> > between AR and no AR regarding the range of rendering.
> >
> > But QPESum is different since there is zero attribute associated with this
> > variable, no data range, missing value, and other attributes. I
> > don't see why AR will play any role in this variable. The attached image
> > is without AR and I set the color table range to 0 and 1.
> >
> > Yuan
> > > I hit send just as the upload finished FYI.
> > >
> > > BTW, I didn't mean to imply sampling was still on with this feature off,
> > > just wanted to understand how it actually worked when on.
> > >
> > > "If you disable the AR from the preferences, the IDV will keep it until
> > you
> > > changing it back. But you obviously experienced some performance
> > > hit without AR. The AP and weighted average are not tightly related and
> > the
> > > grey box is likely the difference between your data range and the
> > > system default range for this variable. You should be able to change the
> > > range of contour in the control panel.  In the IDV, if you select
> > > Tools > Parameter Defaults Editor, you will see the default range of
> > common
> > > used parameters which is used in the rendering. This table is
> > > combined with the Parameter Alias table, and both table can be
> > overwritten
> > > by User defaults.
> > >
> > > Well, you can see the IDV is a powerful tool and a bit complicated. I
> > hope
> > > you can enjoy using it in your research after some learning curve."
> > >
> > > address@hidden> wrote:
> > >
> > > > Hi Mason,
> > > >
> > > > Thanks for your inquiry. Yes, it is always helpful to submit issues as
> > > > separate
> > > > tickets. But the problem we are facing currently is the developer who
> > is in
> > > > charge of adaptive resolution has had a family emergency, and I am not
> > > > sure when
> > > > we are expecting his return to the office. From what you describe, we
> > have
> > > > a
> > > > bug. If you turn off adaptive resolution via edit preferences, and you
> > are
> > > > still
> > > > seeing data sampling then that's a bug.
> > > >
> > > > At any rate, we still may be able to make some progress, but I need a
> > data
> > > > sample.  Can you either point me to the data or upload your data file
> > here?
> > > >
> > > > http://motherlode.ucar.edu/repository/alias/idvupload
> > > >
> > > > Let us know when it is uploaded.
> > > >
> > > > Best,
> > > >
> > > > Unidata IDV Support
> > > >
> > > >
> > > > > All,
> > > > >
> > > > > I let a different issue I had open with support drift toward a
> > discussion
> > > > > of this new issue I have now so I get the feeling that's why I have
> > had
> > > > no
> > > > > response in that thread. I'm trying to get the best possible
> > resolution
> > > > in
> > > > > my image, so I don't want the sampling from Adaptive Resolution  (AR)
> > > > (does
> > > > > the sampling option in Preferences, Formats & Data control how that
> > is
> > > > > done? Just curious as I'm not sure how the weighted average works
> > with
> > > > > every 8 of 9 points as the legend window says when AR is enabled).
> > > > Anyways,
> > > > > I've played around with the contour range, visible range, using fast
> > > > > rendering and not, system specifications under Preferences (probably
> > many
> > > > > other combinations of things) just trying to get a color shaded plan
> > > > view,
> > > > > and I always get a grey box... contour only seems to work, but not
> > color
> > > > > shading.
> > > > >
> > > > > --
> > > > > Mason D. Rowell, Hydrometeorologist
> > > > > DOC/NOAA/NWS/ABRFC
> > > > > 10159 E. 11th St., Suite 300
> > > > > Tulsa, OK 74128
> > > > > Work: (918) 832 4109 EXT: 354
> > > > > address@hidden
> > > > >
> > > > >
> > > >
> > > >
> > > > Ticket Details
> > > > ===================
> > > > Ticket ID: JOH-888693
> > > > Department: Support IDV
> > > > Priority: Normal
> > > > Status: Closed
> > > > ===================
> > > > NOTE: All email exchanges with Unidata User Support are recorded in the
> > > > Unidata inquiry tracking system and then made publicly available
> > through
> > > > the web.  If you do not want to have your interactions made available
> > in
> > > > this way, you must let us know in each email you send to us.
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Mason D. Rowell, Hydrometeorologist
> > > DOC/NOAA/NWS/ABRFC
> > > 10159 E. 11th St., Suite 300
> > > Tulsa, OK 74128
> > > Work: (918) 832 4109 EXT: 354
> > > address@hidden
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: JOH-888693
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> > ===================
> > NOTE: All email exchanges with Unidata User Support are recorded in the
> > Unidata inquiry tracking system and then made publicly available through
> > the web.  If you do not want to have your interactions made available in
> > this way, you must let us know in each email you send to us.
> >
> 
> 
> 
> --
> Mason D. Rowell, Hydrometeorologist
> DOC/NOAA/NWS/ABRFC
> 10159 E. 11th St., Suite 300
> Tulsa, OK 74128
> Work: (918) 832 4109 EXT: 354
> address@hidden
> 
> 


Ticket Details
===================
Ticket ID: JOH-888693
Department: Support IDV
Priority: Normal
Status: Open
===================
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata 
inquiry tracking system and then made publicly available through the web.  If 
you do not want to have your interactions made available in this way, you must 
let us know in each email you send to us.