Re: [gembud] Orienting map in GEMPAK 5.11.4

I replied but forgot to hit "reply all"

hey Mike..
    you might want to look in the 
$NAWIPS/gempak/tables/stns/geog.tbl
it has most if not all the projection info the different agencies use
quick scan looks like the SPC uses STR
so set your maps up like so

PROJ = STR/90;-97;0/0;0;0;0
GAREA = SPCUS

that should be darn close







Hi Mike,

If you can't get the exact specs from the SPC, then trial, error, and a lot
of patience will eventually get the maps perfectly aligned.  The image on "
http://www.spc.noaa.gov/products/watch/validww.png"; has dimensions of 582 x
408.  How I would approach this painful process...

1) Save validww.png to your local computer
$gpmap

clear all the values except:

MAP=1
MSCALE=0
GAREA=20;-110;40;-50
PROJ=str/90;-96;0
PANEL=0
TITLE=1
TEXT=1
CLEAR=YES
DEVICE=gif | us_test.gif | 582 ; 408

2) run gpmap and compare the image us_test.gif with validww.png

3) rerun gpmap by tweaking the GAREA / PROJ until us_test.gif and
validww.png are perfectly aligned

I tried the following:

GAREA=20;-110;40;-50
GAREA=20;-120;40;-50
GAREA=20;-120;40;-40
GAREA=20;-120;40;-60
GAREA=20;-115;45;-60
GAREA=20;-115;45;-65
GAREA=20;-115;50;-65
GAREA=22;-112;50;-67

I'm giving up b/c I don't have time to do this...but you should be able to
match them up eventually.

Hopefully you can get the actual specs or someone out there knows a better
way of doing this.

Regards,
Evan Lowery


-----Original Message-----
From: gembud-bounces@xxxxxxxxxxxxxxxx
[mailto:gembud-bounces@xxxxxxxxxxxxxxxx] On Behalf Of FOLAND, MICHAEL
Sent: Friday, June 11, 2010 11:03 PM
To: gembud@xxxxxxxxxxxxxxxx
Subject: [gembud] Orienting map in GEMPAK 5.11.4

Hello, I spoke with a forecaster at the Storm Prediction Center about the
way that they orient the map. He was telling me it was either LCC or NPS (I
think). I am trying to orient the lines so that if I draw me a personal
outlook, that I can verify it exactly with a SPC map, to verify reports with
my outlook. Can you guys please help me? 

Here is a perfect example:
http://www.spc.noaa.gov/products/watch/validww.png

Thanks,

Mike

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Sent: Friday, June 11, 2010 2:00 PM
To: gembud@xxxxxxxxxxxxxxxx
Subject: gembud Digest, Vol 17, Issue 5

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Today's Topics:

   1. Re: GEMPAK v6? (David Blanchard)


----------------------------------------------------------------------

Message: 1
Date: Thu, 10 Jun 2010 18:58:46 -0700
From: David Blanchard <david_blanchard@xxxxxxxxxxxxx>
To: gembud@xxxxxxxxxxxxxxxx
Subject: Re: [gembud] GEMPAK v6?
Message-ID:
<r314ps-10411p-D2CF1D9518644AB6AEA275AEB7CC8903@xxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8; format=flowed

>
>And I'm SURE they will make an install package for MAC right?  <ha-ha>
>
>

I would like to see a return to pre-compiled binaries, including 
PPC and Intel Mac as well as some of the more popular Linux variations.

I do not have the support or time to put together all the 
dependencies and have always greatly appreciated the precompiled binaries.



David Blanchard
-- 
+------------------------------------------------------------------------+
| David O. Blanchard  Flagstaff, Arizona  
david_blanchard@xxxxxxxxxxxxx  |
+------------------------------------------------------------------------+



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