[Met_help] [rt.rap.ucar.edu #81001] History for Question for gen_vx_mask
John Halley Gotway via RT
met_help at ucar.edu
Tue Jun 27 13:26:33 MDT 2017
----------------------------------------------------------------
Initial Request
----------------------------------------------------------------
Hi,
I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs and Indiana
state boundary.
I created Indiana state boundary polygon file (IN.poly) with lat and lon
data.
Then I ran gen_vx_mask in command line as follows:
/home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
./CESM_APCP_19760101-19760102.nc
/home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
When I opened output file (IN_CESM_poly.nc; attached), it didn't look as
expected (as shown in the online tutorial.
Is it because I am using precipitation data as input which may include 0
values within the mask region?
To get a continuous mask area, do I need to run gen_vx_mask against other
variables such as Temperature?
Thank you.
Regards,
Jinwoong
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Complete Ticket History
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Subject: Question for gen_vx_mask
From: John Halley Gotway
Time: Fri Jun 23 14:52:18 2017
Jinwoong,
That pattern looks pretty cool, but I understand that that's not what
you
want. The command you used *should* work assuming your IN.poly file
really
does define an outline of Indiana.
Can you please send me your IN.poly file so I can see how that's
defined?
Thanks,
John
On Fri, Jun 23, 2017 at 2:47 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
wrote:
>
> Fri Jun 23 14:47:00 2017: Request 81001 was acted upon.
> Transaction: Ticket created by jinwoong.yoo at gmail.com
> Queue: met_help
> Subject: Question for gen_vx_mask
> Owner: Nobody
> Requestors: jinwoong.yoo at gmail.com
> Status: new
> Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001 >
>
>
> Hi,
> I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs and
Indiana
> state boundary.
> I created Indiana state boundary polygon file (IN.poly) with lat and
lon
> data.
> Then I ran gen_vx_mask in command line as follows:
>
> /home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
> ./CESM_APCP_19760101-19760102.nc
> /home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
>
>
> When I opened output file (IN_CESM_poly.nc; attached), it didn't
look as
> expected (as shown in the online tutorial.
>
> Is it because I am using precipitation data as input which may
include 0
> values within the mask region?
>
> To get a continuous mask area, do I need to run gen_vx_mask against
other
> variables such as Temperature?
>
> Thank you.
>
> Regards,
>
>
> Jinwoong
>
>
------------------------------------------------
Subject: Question for gen_vx_mask
From: John Halley Gotway
Time: Fri Jun 23 15:01:25 2017
FYI, I did the following:
(1) Find and open up the usa_state_data file:
met-6.0/share/met/map/usa_state_data
(2) Find lat/lon points for Indiana starting on line 1316 and copy the
38
lat/lon values.
(3) Paste the 38 lat/lon values into a new file named
"indiana.poly"... but
add a header line "Indiana" and switch all the longitudes from
positive
(degrees east) to negative (degrees west).
(4) Run gen_vx_mask:
met-6.0/bin/gen_vx_mask IN_CESM_poly.nc indiana.poly
indiana_mask.nc
(5) Run plot_data_plane to visualize the result:
met-6.0/bin/plot_data_plane indiana_mask.nc indiana_mask.ps
'name="Indiana"; level="(*,*)";'
I've attached both the .poly and resulting image file.
Hopefully that helps you get going.
Thanks,
John
On Fri, Jun 23, 2017 at 2:51 PM, John Halley Gotway <johnhg at ucar.edu>
wrote:
> Jinwoong,
>
> That pattern looks pretty cool, but I understand that that's not
what you
> want. The command you used *should* work assuming your IN.poly file
really
> does define an outline of Indiana.
>
> Can you please send me your IN.poly file so I can see how that's
defined?
>
> Thanks,
> John
>
> On Fri, Jun 23, 2017 at 2:47 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
> wrote:
>
>>
>> Fri Jun 23 14:47:00 2017: Request 81001 was acted upon.
>> Transaction: Ticket created by jinwoong.yoo at gmail.com
>> Queue: met_help
>> Subject: Question for gen_vx_mask
>> Owner: Nobody
>> Requestors: jinwoong.yoo at gmail.com
>> Status: new
>> Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001 >
>>
>>
>> Hi,
>> I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs and
Indiana
>> state boundary.
>> I created Indiana state boundary polygon file (IN.poly) with lat
and lon
>> data.
>> Then I ran gen_vx_mask in command line as follows:
>>
>> /home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
>> ./CESM_APCP_19760101-19760102.nc
>> /home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
>>
>>
>> When I opened output file (IN_CESM_poly.nc; attached), it didn't
look as
>> expected (as shown in the online tutorial.
>>
>> Is it because I am using precipitation data as input which may
include 0
>> values within the mask region?
>>
>> To get a continuous mask area, do I need to run gen_vx_mask against
other
>> variables such as Temperature?
>>
>> Thank you.
>>
>> Regards,
>>
>>
>> Jinwoong
>>
>>
>
------------------------------------------------
Subject: Question for gen_vx_mask
From: Jinwoong Yoo
Time: Fri Jun 23 15:34:45 2017
Hi John,
Attached please find my IN.poly file.
Mine seems finer than yours.
Thank you.
Regards,
Jinwoong
On Fri, Jun 23, 2017 at 4:52 PM, John Halley Gotway via RT <
met_help at ucar.edu> wrote:
> Jinwoong,
>
> That pattern looks pretty cool, but I understand that that's not
what you
> want. The command you used *should* work assuming your IN.poly file
really
> does define an outline of Indiana.
>
> Can you please send me your IN.poly file so I can see how that's
defined?
>
> Thanks,
> John
>
> On Fri, Jun 23, 2017 at 2:47 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
> wrote:
>
> >
> > Fri Jun 23 14:47:00 2017: Request 81001 was acted upon.
> > Transaction: Ticket created by jinwoong.yoo at gmail.com
> > Queue: met_help
> > Subject: Question for gen_vx_mask
> > Owner: Nobody
> > Requestors: jinwoong.yoo at gmail.com
> > Status: new
> > Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001 >
> >
> >
> > Hi,
> > I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs and
> Indiana
> > state boundary.
> > I created Indiana state boundary polygon file (IN.poly) with lat
and lon
> > data.
> > Then I ran gen_vx_mask in command line as follows:
> >
> > /home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
> > ./CESM_APCP_19760101-19760102.nc
> > /home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
> >
> >
> > When I opened output file (IN_CESM_poly.nc; attached), it didn't
look as
> > expected (as shown in the online tutorial.
> >
> > Is it because I am using precipitation data as input which may
include 0
> > values within the mask region?
> >
> > To get a continuous mask area, do I need to run gen_vx_mask
against other
> > variables such as Temperature?
> >
> > Thank you.
> >
> > Regards,
> >
> >
> > Jinwoong
> >
> >
>
>
------------------------------------------------
Subject: Question for gen_vx_mask
From: John Halley Gotway
Time: Fri Jun 23 15:50:22 2017
Jinwoong,
There's a problem in how you've defined this polyline file. Polylines
are
supposed to contain lat/lon points which define the outline of the
spatial
area you'd like to use.
However you're data contains all the points inside. I did some
reformatting of the file you sent and ultimately used the
plot_point_obs
tool to display your points. Take a look at the attached plot and
you'll
see that you've defined the point *inside* the region, not the
outline.
Hope that helps clarify.
John
On Fri, Jun 23, 2017 at 3:34 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
wrote:
>
> <URL: https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001 >
>
> Hi John,
>
> Attached please find my IN.poly file.
> Mine seems finer than yours.
>
> Thank you.
> Regards,
>
> Jinwoong
>
> On Fri, Jun 23, 2017 at 4:52 PM, John Halley Gotway via RT <
> met_help at ucar.edu> wrote:
>
> > Jinwoong,
> >
> > That pattern looks pretty cool, but I understand that that's not
what you
> > want. The command you used *should* work assuming your IN.poly
file
> really
> > does define an outline of Indiana.
> >
> > Can you please send me your IN.poly file so I can see how that's
defined?
> >
> > Thanks,
> > John
> >
> > On Fri, Jun 23, 2017 at 2:47 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
> > wrote:
> >
> > >
> > > Fri Jun 23 14:47:00 2017: Request 81001 was acted upon.
> > > Transaction: Ticket created by jinwoong.yoo at gmail.com
> > > Queue: met_help
> > > Subject: Question for gen_vx_mask
> > > Owner: Nobody
> > > Requestors: jinwoong.yoo at gmail.com
> > > Status: new
> > > Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001
> >
> > >
> > >
> > > Hi,
> > > I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs
and
> > Indiana
> > > state boundary.
> > > I created Indiana state boundary polygon file (IN.poly) with lat
and
> lon
> > > data.
> > > Then I ran gen_vx_mask in command line as follows:
> > >
> > > /home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
> > > ./CESM_APCP_19760101-19760102.nc
> > > /home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
> > >
> > >
> > > When I opened output file (IN_CESM_poly.nc; attached), it didn't
look
> as
> > > expected (as shown in the online tutorial.
> > >
> > > Is it because I am using precipitation data as input which may
include
> 0
> > > values within the mask region?
> > >
> > > To get a continuous mask area, do I need to run gen_vx_mask
against
> other
> > > variables such as Temperature?
> > >
> > > Thank you.
> > >
> > > Regards,
> > >
> > >
> > > Jinwoong
> > >
> > >
> >
> >
>
>
------------------------------------------------
Subject: Question for gen_vx_mask
From: Jinwoong Yoo
Time: Fri Jun 23 15:53:05 2017
Hi John,
I see.
I think I need to get a state boundary in a high resolution for my 4
km WRF
output domain.
Thank you.
Regards,
Jinwoong
On Fri, Jun 23, 2017 at 5:50 PM, John Halley Gotway via RT <
met_help at ucar.edu> wrote:
> Jinwoong,
>
> There's a problem in how you've defined this polyline file.
Polylines are
> supposed to contain lat/lon points which define the outline of the
spatial
> area you'd like to use.
>
> However you're data contains all the points inside. I did some
> reformatting of the file you sent and ultimately used the
plot_point_obs
> tool to display your points. Take a look at the attached plot and
you'll
> see that you've defined the point *inside* the region, not the
outline.
>
> Hope that helps clarify.
>
> John
>
> On Fri, Jun 23, 2017 at 3:34 PM, Jinwoong Yoo via RT
<met_help at ucar.edu>
> wrote:
>
> >
> > <URL: https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=81001 >
> >
> > Hi John,
> >
> > Attached please find my IN.poly file.
> > Mine seems finer than yours.
> >
> > Thank you.
> > Regards,
> >
> > Jinwoong
> >
> > On Fri, Jun 23, 2017 at 4:52 PM, John Halley Gotway via RT <
> > met_help at ucar.edu> wrote:
> >
> > > Jinwoong,
> > >
> > > That pattern looks pretty cool, but I understand that that's not
what
> you
> > > want. The command you used *should* work assuming your IN.poly
file
> > really
> > > does define an outline of Indiana.
> > >
> > > Can you please send me your IN.poly file so I can see how that's
> defined?
> > >
> > > Thanks,
> > > John
> > >
> > > On Fri, Jun 23, 2017 at 2:47 PM, Jinwoong Yoo via RT <
> met_help at ucar.edu>
> > > wrote:
> > >
> > > >
> > > > Fri Jun 23 14:47:00 2017: Request 81001 was acted upon.
> > > > Transaction: Ticket created by jinwoong.yoo at gmail.com
> > > > Queue: met_help
> > > > Subject: Question for gen_vx_mask
> > > > Owner: Nobody
> > > > Requestors: jinwoong.yoo at gmail.com
> > > > Status: new
> > > > Ticket <URL: https://rt.rap.ucar.edu/rt/
> Ticket/Display.html?id=81001
> > >
> > > >
> > > >
> > > > Hi,
> > > > I am testing met-6.0/bin/gen_vx_mask using pcp_combine outputs
and
> > > Indiana
> > > > state boundary.
> > > > I created Indiana state boundary polygon file (IN.poly) with
lat and
> > lon
> > > > data.
> > > > Then I ran gen_vx_mask in command line as follows:
> > > >
> > > > /home/yoo108/met-6.0_bugfix/bin/gen_vx_mask -type poly
> > > > ./CESM_APCP_19760101-19760102.nc
> > > > /home/yoo108/met-6.0_bugfix/data/poly/IN.poly IN_CESM_poly.nc
> > > >
> > > >
> > > > When I opened output file (IN_CESM_poly.nc; attached), it
didn't look
> > as
> > > > expected (as shown in the online tutorial.
> > > >
> > > > Is it because I am using precipitation data as input which may
> include
> > 0
> > > > values within the mask region?
> > > >
> > > > To get a continuous mask area, do I need to run gen_vx_mask
against
> > other
> > > > variables such as Temperature?
> > > >
> > > > Thank you.
> > > >
> > > > Regards,
> > > >
> > > >
> > > > Jinwoong
> > > >
> > > >
> > >
> > >
> >
> >
>
>
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