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[GEMPAK #XYG-194160]: NEXR2RHI image artifacts - what am I doing wrong?

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  • Subject: [GEMPAK #XYG-194160]: NEXR2RHI image artifacts - what am I doing wrong?
  • Date: Fri, 23 Mar 2012 16:11:19 -0600
Yikes, that indeed does look awful.  I'm seeing the same artifacts and turning 
interpolation off (INTERP=n) doesn't remove them all.

Will update you when I know more.

-Michael




> I'm trying to plot x-sections from the NEXRAD Level II radars of reflectivity 
> and I'm getting a lot of artifacts in the image that render the product 
> useless. Attached is a screen shot I created from data from yesterday from 
> the KHTX radar in Huntsville. Below are the values I used in NEXR2RHI to 
> create this plot:
> 
> GEMPAK-NEXR2RHI>l
> CXSTNS   = 34.75;-86.6>33.5;-86.8
> GVCORD   = hght
> PTYPE    = lin
> YAXIS    = 0/20000
> CINT     = 0
> SCALE    = 0
> LINE     = 1
> BORDER   = 1
> TITLE    = 1/-2/RHI Base Reflectivity Level II ^
> CLEAR    = YES
> DEVICE   = XW
> TEXT     = 1
> PANEL    = 0
> CLRBAR   = 1
> CONTUR   = 3/2
> FINT     = 4/4/64
> FLINE    = 0;30-7
> CTYPE    = f
> RADFIL   = /export/ldm/data/gempak/nexrad/craft/KHTX/KHTX_20120322_2103
> RADPARM  = dz
> RADTIM   = last
> INTERP   = y
> 
> 
> 
> 
> I've tried different radars as well as different values (orientations) for 
> the cxstns parameter but most produce artifacts like those shown in this 
> image. What am I doing wrong?
> 
> Thanks,
> Greg
> 
> -----------------------------------------------------------
> Greg Stossmeister
> Head - Collaborative Tools and Metadata Group
> NCAR/Earth Observing Laboratory (EOL)
> Telephone: (303)497-8692  Facsimilie:(303)497-2044
> e-mail: address@hidden
> Mailing Address:          Shipping Address:
> NCAR/EOL                    UCAR Foothills Lab 1
> P.O. Box 3000               3450 Mitchell Ln
> Boulder, CO 80307      Boulder, CO 80301
> ------------------------------------------------------------
> 
> 
> 
> 
> 
> 
> 


Ticket Details
===================
Ticket ID: XYG-194160
Department: Support GEMPAK
Priority: Normal
Status: Open